Topic:"Energy Efficiency" in M08929

rting on E1 revised the final Scope of Work to include specific requirements and the low-income residential segment disaggregation of results for Low-Income Nova Scotians. separately. Consider the following when modelling E1 revised the fi...

AI summary EfficiencyOne revised the Scope of Work to include low-income residential disaggregation and updated criteria for achievable potential studies, emphasizing commercially available measures, Codes/Standards, and stakeholder feedback. The draft Potential Study Assumptions and Modelling Plan was shared with DSMAG for review, with comments addressed in the final document.

19 Navigant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary Navigant Consulting, Ltd. conducted a study on Nova Scotia's energy efficiency and demand response potential from 2021 to 2045. The document identifies the consulting firm as the primary entity involved in the analysis.

TABLE OF CONTENTS E. EXECUTIVE SUMMARY ............................................................................................ 1 E.1 Estimation of Energy Efficiency Potential ..............................................................

AI summary The document outlines a study estimating energy efficiency (EE) and demand response (DR) potential, including findings on EE and DR results. It details the report's structure, stakeholder engagement, limitations, and interpretation of results, emphasizing program design and measure characterization caveats.

....................................................................... 18 1.5 Report Organization .................................................................................................................... 18 2. GLOBAL DATA ........

AI summary The document outlines a report structure focusing on global data segmentation, end-use definitions, fuel shares, electricity consumption, and energy efficiency measure characterization. It details customer sector segmentation, energy efficiency parameters, and approaches for assessing energy savings.

erization Approaches and Sources ...................................... 27 3.3.1 Energy and Demand Savings ..........................................................................................27 3.3.2 Incremental Costs ..................

AI summary The document outlines a study on Nova Scotia's energy efficiency and demand response potential from 2021-2045, covering technical and economic forecasts, energy savings, incremental costs, building stock analysis, and code adjustments. It structures sections on methodology, sectoral results, and end-use measures.

©2019 Navigant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary This document outlines a study conducted by Navigant Consulting, Ltd. analyzing Nova Scotia's energy efficiency and demand response potential from 2021 to 2045. The study focuses on assessing opportunities for reducing energy consumption and managing demand through various programs and initiatives.

5.1 Approach to Estimating Economic Potential ................................................................................ 39 5.2 Energy Efficiency Economic Potential Results by Sector .....................................................

AI summary The document outlines methodologies for estimating energy efficiency economic potential, market share calculations, behavioral measures, investment and incentive strategies, model calibration, and scenario-based reference forecasts. It details approaches to equilibrium market share, backcasting, and scenario configurations to evaluate energy efficiency programs and their impacts.

.......................................................................... 60 8. ENERGY EFFICIENCY MARKET POTENTIAL RESULTS BY SCENARIO ............. 61 8.1 Comparison of Energy Efficiency Savings by Potential Type ...........................

AI summary The document outlines energy efficiency market potential analysis across scenarios, sectors, end uses, and customer segments, along with demand response methodologies. It includes sections on savings comparisons, cost-effectiveness tests, non-programmatic savings, and loadshape disaggregation, emphasizing technical and economic evaluations of efficiency programs.

......87 Level 2: Customer Class ..........................................................................................................87 Level 3: Customer Segment ..........................................................................

AI summary The document outlines a study on Nova Scotia's energy efficiency and demand response potential from 2021-2045, covering customer segmentation, demand response projections, battery and EV adoption, and cost-effectiveness assumptions.

i ©2019 Navigant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary This document is the title of a study conducted by Navigant Consulting, Ltd. for Nova Scotia, focusing on energy efficiency and demand response potential from 2021 to 2045. The study aims to assess opportunities and strategies for improving energy efficiency and managing demand in the region over the next two decades.

sults Across Demand Response Scenarios ..........................113 11.6.2 Comparison of Potential Results Across Scenarios ....................................................114 11.7 Demand Response Snapback Effects .......................

AI summary The text outlines the table of contents for a study on Nova Scotia's energy efficiency and demand response potential from 2021-2045. Key sections include demand response scenarios, snapback effects, and a conclusion discussing energy efficiency and demand response as central themes.

vigant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary Vigant Consulting, Ltd. conducted a study analyzing Nova Scotia's energy efficiency and demand response potential from 2021 to 2045, focusing on projections and recommendations for the energy sector over the 24-year period.

TABLE OF FIGURES Figure ES-1. Winter Baseline Peak Forecast by DR Scenario (GW at generator) ....................................... 2 Figure ES-2. Summary of Demand Response Options Considered in Study .......................................

AI summary The document presents figures analyzing demand response (DR) and energy efficiency (EE) scenarios, including technical/economic potential, market savings, investment costs, and benefit-cost assessments. Key themes include DR options, EE savings metrics, and cost-effectiveness evaluations.

Figure 1-1. Summary of Project Scope ..................................................................................................... 16 Figure 2-1. Customer Segments by Sector ............................................................

AI summary The text lists figures from a report analyzing energy efficiency (EE) technical potential, customer segmentation by sector, residential and BNI segments, end-use electricity consumption, and sectoral electricity savings in Nova Scotia. Key themes include EE potential, residential/commercial segmentation, and electricity consumption trends.

..... 33 Figure 4-6. EE Technical Potential, Winter Peak Demand Savings by End Use (MW, gross at generator).......................................................................................................................................

AI summary The text lists figures related to energy efficiency (EE) technical and economic potential, including winter peak demand savings by end use, residential and BNI measures, and sectoral electricity savings. The focus is on quantifying EE opportunities across different sectors and demand scenarios.

Savings by Sector (MW, gross at generator) .................................................................................................................................................. 43 Figure 5-5. EE Economic Potential, Electricity...

AI summary The document presents a study on Nova Scotia's Energy Efficiency (EE) and Demand Response (DR) potential from 2021-2045, focusing on economic potential and electricity savings by sector. Figures 5-5 illustrate EE savings as a percentage of sector sales, highlighting resource assessment and budgeting implications.

gant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary A study by Gant Consulting, Ltd. on Nova Scotia's Energy Efficiency and Demand Response Potential from 2021 to 2045. The document outlines analysis of energy efficiency initiatives and demand response strategies over a 24-year period.

Figure 5-6. EE Economic Potential, Winter Peak Demand Savings by Sector as a Percent of Load (%) .. 45 Figure 5-7. EE Economic Potential, Electricity Savings by End Use (GWh, gross at generator)................ 46 Figure 5-8. EE Economic P...

AI summary The text presents figures analyzing energy efficiency (EE) economic potential across sectors, focusing on winter peak demand savings, electricity savings by end use, and backcast results for residential and BNI (Building Efficiency) measures, including LED replacements and other efficiency initiatives.

......................................................... 58 Figure 6-4. EE Backcast Results for BNI Linear Replacement Lamps ....................................................... 59 Figure 8-1. EE Market Potential, Cumulative Electricit...

AI summary The text presents figures analyzing energy efficiency (EE) market potential, focusing on Building Efficiency (BNI) and various scenarios. It includes cumulative electricity savings, winter peak demand reductions, and residential/BNI-specific data, illustrating EE's role in reducing energy use and demand.

..................................................... 70 Figure 8-11. EE Base Case Market Potential, Cumulative Electricity Savings by End Use (GWh, net at generator)............................................................................

AI summary The text presents figures analyzing energy efficiency (EE) market potential, including cumulative electricity savings, winter peak demand reductions, and top measures for residential and BNI (Building Efficiency) sectors. Data spans 2021, focusing on residential and BNI-specific measures.

ure 8-18. EE Base Case Market Potential, 2021 Top 40 BNI Measures for Winter Peak Demand Savings (MW, net at generator) ................................................................................................................ 78 Fig...

AI summary The document presents figures analyzing Nova Scotia's energy efficiency (EE) and demand response (DR) market potential from 2021-2045, including savings, cost-benefit ratios, investment types, and cumulative achievable potential. Key focus areas include Building Efficiency (BNI) measures and sector-specific impacts.

gant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary A study by Gant Consulting, Ltd. on Nova Scotia's Energy Efficiency and Demand Response Potential from 2021 to 2045. The document outlines analysis of energy efficiency initiatives and demand response strategies over a 24-year period.

Figure 9-2. EE BNI 2045 Cumulative Achievable Potential Sensitivity (GWh, net at generator) ................ 85 Figure 10-1. DR Potential Assessment Steps .......................................................................................

AI summary The text lists figures analyzing energy efficiency (EE) and demand response (DR) potential in Nova Scotia, including customer segmentation, peak demand forecasts, battery capacity, vehicle adoption, and DR options. Figures focus on technical assessments, market segmentation, and scenario-based projections for EE and DR programs.

Page iii ©2019 Navigant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 E. EXECUTIVE SUMMARY EfficiencyOne engaged Navigant Consulting, Inc. (Navigant) to prepare energy efficiency (EE) and...

AI summary EfficiencyOne commissioned Navigant Consulting to assess Nova Scotia's energy efficiency (EE) and demand response (DR) potential from 2021-2045. The study uses Navigant's DSMSim™ model to analyze technical, economic, and market savings across residential and business/nonprofit sectors, informing integrated resource planning (IRP) and program design.

gross potential is advantageous because it permits a reviewer to more easily calculate net potential when new information about net-to-gross ratios or changing end use intensities become available. 1 Demand Response analysis results are pr...

AI summary Navigant Consulting conducted a bottom-up analysis to estimate demand response (DR) potential in Nova Scotia, using data from EfficiencyOne and other sources. The analysis involved five steps and provided input for the DRSim™ model to calculate total DR potential across the province.

Eligible Customer DR Option Brief Description End Use Classes Electric Furnace 3 Residential Heat Pump 4 Control of electric loads by a thermostat Direct Load Control (DLC) Small Commercial and/or load control switch. HVAC 5 Small Industri...

AI summary The text outlines various demand response (DR) options available to eligible customers, including Direct Load Control (DLC) and BNI Curtailment, detailing their mechanisms, applicable customer classes, and associated costs or benefits.

at is that, by definition, technical potential calculation does not consider participation overlaps. Therefore, the technical potential estimates for each DR option should be considered independently. Navigant assessed cost-effectiveness o...

AI summary The document discusses the technical and economic potential of energy efficiency (EE) and demand response (DR) in Nova Scotia over a 25-year period. Technical potential remains relatively stable at around 8,300 GWh, while economic potential is estimated at approximately 7,700 GWh. Achievable potential is calculated by considering participation assumptions and customer opt-out rates.

Page 4 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure ES-4 shows the cumulative potential results for the four market potential scenarios presented; (1) maximum achievable, (2) mid case, (3) base cas...

AI summary The document presents cumulative electricity savings from energy efficiency (EE) and demand response (DR) programs in Nova Scotia over a 25-year period, ranging from over 2,000 GWh to nearly 3,500 GWh. Technical and economic potential savings account for 66% to 75% of total electricity sales annually, partly due to fuel-switching measures reducing HVAC loads.

Page 6 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure ES-6 presents cumulative achievable electricity savings at generator potential as a percentage of customers’ total electricity consumption for th...

AI summary The document presents cumulative electricity savings from energy efficiency and demand response programs in Nova Scotia from 2021 to 2045. It outlines market potential scenarios ranging from 19% to 31% of total electricity sales and highlights technical and economic winter peak demand savings of 2,100 to 2,200 MW over 25 years.

nd represented as a delivery cost in terms of $/kW-yr. Figure ES-14. DR Annual Program Costs by Option for Cost-Effective DR Options ($) Source: Navigant Analysis ©2019 Navigant Consulting, Ltd. Page 14 Nova Scotia Energy Efficiency and De...

AI summary The document discusses scenario analysis for demand response (DR) programs in Nova Scotia, comparing low, base, and high participation scenarios. It highlights how different participation levels, incentive amounts, and marketing spending affect DR achievable potential and program costs. The high scenario assumes a default opt-out model for CPP, which impacts the cost-effectiveness of other DR programs.

e 1-1 summarizes the various elements of the project scope. Figure 1-1. Summary of Project Scope Element Dimensions Forms of Energy Electricity Energy Efficiency (Energy and Demand) and Demand Response Type of Potential Technical, Economic...

AI summary The document outlines the scope of a 25-year energy efficiency and demand response study for Nova Scotia, covering residential and business sectors, including nonprofit and institutional buildings. Stakeholder engagement began in 2018, with input incorporated to enhance the study's accuracy and relevance.

h must be applied to dozens or in some cases hundreds of energy efficiency measures) are limited in their ability to accurately predict adoption for specific measures or in specific customer segments. ©2019 Navigant Consulting, Ltd. Page 1...

AI summary The text discusses the limitations of forecasting models in predicting the adoption of energy efficiency measures, noting that while aggregate results can be more reliable, individual technology or segment forecasts may be inaccurate. More detailed techniques exist but are not typically warranted due to high costs.

Study for 2021-2045 potential results are presented for DR options, sub-options, customer class, and building type for cost- effective DR options. Section 12 – presents the Conclusion of the study. The report also includes the following el...

AI summary This study evaluates the potential for energy efficiency and demand response (DR) in Nova Scotia from 2021 to 2045. It includes sections on DR options, customer classes, and building types, as well as appendices covering modeling plans, baseline studies, and model inputs and outputs for both DR and energy efficiency.

756 Total 480,971 Source: Navigant analysis based on Nova Scotia and StatsCan data ©2019 Navigant Consulting, Ltd. Page 21 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 2.1.2 BNI Sector Navigant divided th...

AI summary The BNI sector is divided into four segments—Small Commercial, Large Commercial, Institutional, and Industrial—based on similar electricity use, operating systems, and annual operating hours. This segmentation aligns with 2018 NS Power data and EfficiencyOne’s analysis to ensure consistency for modeling and measure characterization.

portion of the study, these values were calibrated to the 2018 Nova Scotia Power load forecast (before DSM). Figure 2-7 shows the estimated total electricity consumption by sector in 2019 before DSM. As stated previously, Navigant included...

AI summary The study calibrated electricity consumption values to the 2018 Nova Scotia Power load forecast before DSM. It includes a breakdown of electricity consumption by sector in 2019 and outlines the characterization of 183 energy efficiency measures across residential and BNI sectors.

Navigant prioritized measures with high impact, data availability, inclusion in EfficiencyOne’s most recent DSM Plan and those most likely to be cost-effective as criteria for inclusion into DSMSim™. 3.1 Energy Efficiency Measure List Navi...

AI summary Navigant and EfficiencyOne developed a comprehensive list of energy efficiency measures based on criteria such as impact, data availability, and cost-effectiveness. The list was finalized to ensure it included currently available and economically viable technologies for future DSM program planning.

o EE Definition: Describes the efficient technology set to replace the baseline technology. o Unit Basis: The normalizing unit for energy, demand, cost, and density estimates. ©2019 Navigant Consulting, Ltd. Page 25 Nova Scotia Energy Effi...

AI summary The document outlines the definition of energy efficiency (EE) as the replacement of baseline technology with efficient technology and introduces a unit basis for normalizing energy, demand, cost, and density estimates in the context of Nova Scotia's energy efficiency and demand response potential study from 2021 to 2045.

Page 25 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045

AI summary This document outlines a study on the potential for energy efficiency and demand response in Nova Scotia from 2021 to 2045, focusing on strategies to improve energy use and manage demand.

fficient technology, using the following variables: o Base Costs: The cost of the base equipment, including both material and labor costs. This is zero for retrofit measures. o EE Costs: The cost of the energy-efficient equipment, includin...

AI summary The text outlines key variables used in analyzing the cost and density of baseline and energy-efficient technologies, including base and EE costs, technology densities, saturation levels, applicability, and competition groups. These factors are essential for evaluating the effectiveness of energy efficiency measures.

same baseline technology density into a single competition group to avoid the double-counting of savings. (Appendix A provides further explanation on competition groups). 7 See the accompanying model input workbook for density and saturati...

AI summary The document discusses approaches for characterizing energy efficiency measures, including the use of program evaluation data, technical reference manual algorithms, and engineering analysis. It emphasizes avoiding double-counting of savings by grouping technologies with similar baseline technology density.

Page 29 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 4-2 shows the winter peak demand technical savings potential, gross at generator, for each sector. The BNI sector winter peak savings ranges bet...

AI summary The document presents technical savings potential for energy efficiency and demand response in Nova Scotia, focusing on winter peak demand and electricity savings by sector. The BNI sector and residential sector show significant potential, with winter peak savings ranging from 660 to 730 MW and 1,460 to 1,570 MW annually, respectively. Savings as a percentage of consumption range between 70% to 81% annually, partly due to fuel-switching measures.

Page 31 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 4-4 shows the winter peak demand technical savings potential for each sector as a percentage of that sector’s total forecasted electric load. BN...

AI summary The document discusses the winter peak demand technical savings potential for different sectors in Nova Scotia, highlighting that BNI and residential sectors have high potential, up to 99% of their electric load. The study notes higher line loss factors used in the analysis, which influenced the demand percent of sales values compared to the Nova Scotia Power system requirement document.

Page 32 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 4.3 Energy Efficiency Technical Potential Results by End Use Figure 4-5 shows the electricity technical savings potential, gross at generator, across a...

AI summary The document presents technical potential results for energy efficiency and demand response in Nova Scotia from 2021 to 2045. It highlights the significant role of electric space heating in energy savings and the dominant contribution of residential and BNI lighting in winter peak demand savings. HVAC is identified as a major driver of demand reduction through energy efficiency.

he total potential for demand reduction through energy efficiency. Figure 4-6. EE Technical Potential, Winter Peak Demand Savings by End Use (MW, gross at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 34 Nova Sc...

AI summary The document presents energy efficiency and demand response potential studies for Nova Scotia from 2021 to 2045, highlighting the technical potential for demand reduction through various efficiency measures. It includes figures showing the top forty measures for residential and BNI sectors ranked by electricity savings potential.

Figure 4-8. EE Technical Potential, 2021 Top 40 BNI Measures for Electricity Savings (GWh, gross at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 36 Nova Scotia Energy Efficiency and Demand Response Potential St...

AI summary The document presents figures analyzing the technical potential of energy efficiency (EE) and demand response (DR) measures in Nova Scotia for 2021, focusing on residential and BNI sectors. It highlights that a few key measures, such as Wi-Fi thermostats and air source heat pumps, account for the majority of technical demand reduction potential.

Page 38 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 5. ENERGY EFFICIENCY ECONOMIC POTENTIAL RESULTS This section describes the economic savings potential, which is potential that meets a prescribed level...

AI summary This section discusses the calculation of economic potential for energy efficiency in Nova Scotia, focusing on measures that meet a cost-effectiveness threshold of TRC 1.0. It explains how economic potential is derived from technical potential by including only cost-effective measures.

that provides the greatest electric savings potential is included in the summation of economic potential. This approach ensures that double-counting is not present in the reported economic potential. ©2019 Navigant Consulting, Ltd. Page 39...

AI summary The study presents economic electricity savings potential by sector, noting that residential and BNI sectors show similar growth rates between technical and economic potential. High avoided costs from the 2014 Integrated Resource Plan make high-saving measures more likely to be cost-effective, reducing the gap between technical and economic demand potential.

ng the gap between technical and economic demand potential. Figure 5-2. EE Economic Potential, Winter Peak Demand Savings by Sector (MW, gross at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 41 Nova Scotia Ener...

AI summary The document discusses the economic electricity potential in Nova Scotia, comparing the results of the Program Administrator Cost (PAC) test screen and the Total Resource Cost (TRC) test screen. It highlights that the economic potential is similar between the two tests, with slightly more measures qualifying under the PAC test.

Page 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 5-4 presents the economic winter peak demand potential, gross at generator, in each of the sectors using a PAC cost test screen of 1.0. As with...

AI summary The study compares the economic potential of energy efficiency and demand response programs in Nova Scotia, using PAC and TRC cost screens. It shows that economic potential is close to technical potential, and that cost-effectiveness screening has limited impact on overall savings potential, particularly in residential and BNI sectors.

industrial processes which can be difficult to address through DSM programs. This emphasizes the relative importance of HVAC equipment potential and remaining potential in BNI lighting in Nova Scotia. Figure 5-5. EE Economic Potential, Ele...

AI summary The text discusses the economic potential of energy efficiency (EE) and demand response (DR) in Nova Scotia, emphasizing the importance of HVAC equipment and BNI lighting. It highlights trends in winter peak demand savings and notes the impact of fuel switching and line loss factors on residential sector calculations.

Page 45 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 5.3 Energy Efficiency Economic Potential Results by End Use Figure 5-7 shows the economic electricity potential, gross at generator, by end use for bot...

AI summary The study highlights the economic potential of energy efficiency and demand response in Nova Scotia from 2021 to 2045. HVAC and lighting are identified as key areas with significant savings opportunities, particularly in residential and BNI sectors. Wi-Fi enabled plugs and fuel switching are noted as contributing factors to potential savings.

ng and high peak coincidence of BNI lighting technologies. Figure 5-8. EE Economic Potential, Winter Peak Demand Savings by End Use (MW, gross at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 47 Nova Scotia Ener...

AI summary The document discusses the economic energy savings potential from demand-side management measures in Nova Scotia, focusing on residential and BNI (Building Efficiency) sectors. It highlights the top 40 measures in each sector and compares economic potential with technical potential, noting that most measures remain economically viable.

s certainly have limitations, they are nonetheless directionally reasonable and simple enough to permit estimation of market share for the hundreds of technologies appearing in most potential studies. To inform this study, the team used eq...

AI summary The study uses equilibrium 'payback acceptance' curves developed by Navigant based on customer surveys to estimate how residential and BNI customers accept different payback periods for energy efficiency investments.

y efficiency investment is different for residential and BNI customers. 10 The model uses this information to simulate how customers in each sector will accept measures with differing payback periods. Since the payback time of a technology...

AI summary The text discusses the differences in efficiency investment between residential and BNI customers and explains how the model simulates technology adoption based on payback periods. It also addresses the dynamic nature of equilibrium market share and outlines two approaches for calculating it. Behavioral measures are treated differently due to their low costs and reliance on marketing and incentives.

s not allocated back down to measures or sectors for cost effectiveness or net benefits calculations, but was included in total portfolio spending, cost effectiveness, and net benefits calculations. 10 These payback curves represent custom...

AI summary The study discusses energy efficiency incentive strategies based on targeted payback, calculating measure-level incentives to reduce customer payback periods. It sets bounds for incentives, ensuring they are at least 10% and no more than 100% of the incremental measure cost.

EfficiencyOne’s Historical Navigant Simulated Achievements Backcast Source: Navigant Analysis ©2019 Navigant Consulting, Ltd. Page 57 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 6-3 shows the back...

AI summary Figure 6-3 compares historical LED Troffer adoption in the BNI sector with simulated backcast results, showing a close fit. A slight increase in adoption between 2017 and 2018 may indicate non-economic factors, though Navigant did not model these effects due to their minor impact and uncertain attribution.

Page 58 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 6-4 shows the fit for BNI Linear Replacement Lamps during the backcasting period. Both the trajectory and the individual year estimates for the...

AI summary The document discusses the backcasting results for BNI Linear Replacement Lamps, indicating that the historical savings align well with the trajectory, suggesting the market is past the inflection point and future growth will be slower due to market saturation.

ng Effect – 150% of reference scenario at the sector and end use level • Low Scenario o Targeted Payback – Double of reference scenario at the sector and end use level o Marketing Effect – 50% of reference scenario at the sector and end us...

AI summary This section of the study presents energy efficiency market potential results by scenario, using the TRC benefit-cost test set to 0.7. It discusses cumulative market potential, which accumulates annual incremental potential over time, and explains how measures are removed and reparticipated as they reach the end of their effective useful lives.

d from the cumulative potential. It is then assumed that 85% reparticipate (get added back into potential with a reset EUL), while the remaining 15% are included in available stock for later adoption. As shown in Figure 8-1, the cumulative...

AI summary The document discusses energy efficiency (EE) market potential in Nova Scotia from 2021 to 2045, showing cumulative electricity savings under different scenarios. The base case reaches 2,690 GWh in 2045, representing 35% of economic potential, while the maximum scenario reaches 3,415 GWh. The cost effectiveness screen requires a TRC ratio of 0.7, leading to increasing market potential as a percentage of forecast electricity consumption.

Page 62 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 8-3 show incremental annual electricity savings as a percent of sales for each scenario. The base scenario achieves 1.1% of sales in 2021 and de...

AI summary The study analyzes the incremental annual electricity savings from energy efficiency (EE) and demand response (DR) scenarios in Nova Scotia from 2021 to 2045. The base scenario shows a decline in savings over time, attributed to technology saturation in sectors like BNI lighting. Residential and BNI sectors show early saturation, while the commercial sector maintains consistent potential, leading to potential divergence in scenarios after 25 years.

than the other scenarios after the 25-year study period. Figure 8-3. EE Market Potential, Incremental Electricity Savings by Scenario, as a Percent of Sales (%) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 63 Nova Scotia...

AI summary The text discusses the energy efficiency (EE) market potential in Nova Scotia from 2021 to 2045, showing incremental electricity savings and cumulative winter peak demand savings by scenario. The base scenario is projected to achieve 22% of the economic potential by 2045.

045. Figure 8-5. EE Market Potential, Cumulative Winter Peak Demand Savings, by Scenario, as a Percent of Load (%) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 65 Nova Scotia Energy Efficiency and Demand Response Potentia...

AI summary The document presents energy efficiency (EE) market potential in Nova Scotia, showing cumulative winter peak demand savings by scenario as a percent of load. It also highlights residential sector electricity savings potential, with the base case reaching 1,415 GWh in 2045, representing 38% of economic potential in that year.

scenarios reach 1,175, 1,540 and 1,590 GWh, respectively. Figure 8-7. EE Residential Market Potential, Cumulative Electricity Savings (GWh, net at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 67 Nova Scotia Ene...

AI summary The document presents figures illustrating the potential electricity savings from energy efficiency (EE) and demand response initiatives in Nova Scotia, focusing on residential and BNI sectors. It outlines cumulative electricity savings and winter peak demand reductions by scenario in 2045, based on Navigant analysis.

Page 69 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 8-10 shows the magnitude of cumulative winter peak demand market savings potential, net at generator, by scenario for the BNI sector. The base c...

AI summary The document presents energy efficiency and demand response potential study results for Nova Scotia, focusing on the BNI sector. It highlights cumulative winter peak demand savings potential and electricity market savings by end use, with Res HVAC and BNI lighting as the dominant contributors.

Page 71 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 8-12 shows the winter peak demand market savings potential, net at generator, across end uses. The dominant end uses are BNI lighting and Res HV...

AI summary The document presents energy efficiency and demand response potential study results for Nova Scotia from 2021 to 2045. It highlights winter peak demand savings by end use, with BNI lighting and residential HVAC being the dominant sectors. Residential single-family market rate customers are the primary contributors to electricity savings, followed by industrial and large commercial segments.

ndix F. Figure 8-14. EE Base Case Market Potential, Cumulative Winter Peak Demand Savings by Customer Segment (MW, net at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 74 Nova Scotia Energy Efficiency and Demand...

AI summary The document presents energy efficiency and demand response potential study results for Nova Scotia from 2021 to 2045. It highlights that residential and BNI lighting, as well as residential HVAC, are the top electricity-saving measures. Residential LED bulbs and custom energy efficiency programs are emphasized for their significant savings potential.

2045 Figure 8-16. EE Market Potential, 2021 Top 40 BNI Measures for Electricity Savings (GWh, net at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 76 Nova Scotia Energy Efficiency and Demand Response Potential S...

AI summary The text presents figures analyzing energy efficiency (EE) and demand response potential in Nova Scotia for 2021-2045. It highlights the top electricity-saving measures in residential and BNI sectors, emphasizing residential whole home as the leading measure and noting a more even distribution of savings potential in the BNI sector.

Page 78 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 8.6 Cost Effectiveness Tests and Investment The cost effectiveness approach is consistent with the methodology Navigant used for the economic potential...

AI summary The document discusses the cost effectiveness of energy efficiency and demand response programs in Nova Scotia, highlighting that benefit-cost test ratios are significantly greater than 1.0 for most sectors and portfolio levels, except for the Rate Impact Measure (RIM) test, which shows ratios less than 1.0 for certain years and sectors.

2040 3.37 4.82 4.22 0.89 2045 3.03 4.25 4.27 0.76 ©2019 Navigant Consulting, Ltd. Page 79 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 8-20 presents the net benefits for the achievable base case, b...

AI summary The document presents net benefits for the achievable base case of energy efficiency and demand response programs, by sector and for the portfolio under each benefit-cost test. Net benefits are positive in all cases except the RIM test.

2037 $38.36 $8.42 $8.60 $55.38 2038 $37.92 $8.26 $8.47 $54.65 2039 $37.79 $8.12 $8.33 $54.24 2040 $37.69 $7.95 $8.16 $53.80 2041 $36.10 $7.67 $7.87 $51.64 2042 $35.76 $7.51 $7.71 $50.98 2043 $35.28 $7.34 $7.54 $50.16 2044 $34.84 $7.18 $7.3...

AI summary The document presents projected savings and costs for energy efficiency and demand response programs in Nova Scotia from 2037 to 2045. It defines non-programmatic savings as reductions in savings potential due to codes and standards, and freeridership, emphasizing that these savings do not represent total impacts outside of DSM programs.

and freeridership. It is important to note that savings potential for codes and standards do not represent total impacts due to C&S outside of DSM programs, just effects on program savings potential. The technical and economic savings show...

AI summary The document discusses the impact of codes and standards on DSM program savings, noting that savings potential is net of these factors and freeridership. It highlights that non-programmatic savings contribute up to 17% of total savings by 2025. Additionally, it mentions the development of 8760 hourly load profiles for NS Power's IRP inputs at the request of the DSMAG.

manifests in greater sensitivity than other model inputs, however, any reductions in net-to-gross ratio (as a result of an increase in freeridership) would be captured in the non-programmatic savings. By contrast, the avoided costs and dis...

AI summary The text discusses the sensitivity of achievable energy efficiency potential to various factors, including net-to-gross ratios, avoided costs, discount rates, and carbon prices. It highlights that changes in net-to-gross ratios and carbon prices have a greater impact than changes in avoided costs or discount rates. Incremental costs also play a significant role in determining market shares and TRC screening outcomes.

Page 84 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 BNI sensitivities are shown in Figure 9-2. Overall the response of the cumulative BNI achievable potential to the chosen parameter variations is simila...

AI summary The document discusses the sensitivity of BNI (Business and Non-Industrial) energy efficiency potential to various parameters, highlighting that BNI is more sensitive to marketing and incentive changes than residential sectors. This is attributed to the location of key BNI measures and higher awareness levels, which can lead to significant responses through marketing efforts.

there are not large measures that are near a tipping point. Figure 9-2. EE BNI 2045 Cumulative Achievable Potential Sensitivity (GWh, net at generator) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 85 Nova Scotia Energy Ef...

AI summary The document outlines Navigant's methodology for estimating demand response (DR) potential and costs in Nova Scotia, using a bottom-up analysis. It details steps such as characterizing the DR market, estimating peak load, defining DR options, and presenting cost-effectiveness results by customer class and building type.

ype 6. Conduct scenario analysis and present DR potentials, annual costs and cost-effectiveness results by scenario Figure 10-1. DR Potential Assessment Steps •Characterize market for DR potential estimation: Number of customers Step 1: Ma...

AI summary The text outlines the steps for conducting a demand response (DR) potential assessment, starting with market characterization, developing baseline projections, defining DR options, and analyzing scenarios. The process involves estimating DR potentials, costs, and cost-effectiveness across different customer segments and scenarios.

Services » Market Rate • Electric Vehicles Source: Navigant Level 1: Sector Navigant segmented customers into residential and BNI sectors. Additionally, Electric vehicles (EVs) are considered in aggregate across all customer classes since...

AI summary Navigant segmented customers into residential and BNI sectors for the Nova Scotia Energy Efficiency and Demand Response Potential Study. EVs were considered collectively, and BNI customers were divided into five categories based on demand values. Residential customers and EV owners were not further segmented due to low demand variation.

at the peak period is defined differently than in the EE study. 17 Figure 10-8. Winter Baseline Peak Forecast by DR Scenario (GW at generator) Source: Navigant analysis 17 The baseline peak forecast represented here is different from the p...

AI summary The document discusses differences in peak demand definitions between the EE study and NS Power, highlighting that the baseline peak forecast accounts for energy efficiency potential and excludes certain customer segments from DR programs. It also provides a breakdown of peak demand by customer class.

plug-in hybrid electric vehicles (PHEVs) with an 80/20 split in 2030. 21 Figure 10-12. Vehicle Adoption Forecast from VASTTM Source: Navigant analysis Load projections are estimated using a 0.6 kW/vehicle impact value from NSPI’s 2019 Load...

AI summary The document discusses vehicle adoption forecasts using Navigant's VAST model, focusing on plug-in hybrid electric vehicles (PHEVs) with an 80/20 split in 2030. It also outlines demand response (DR) options for curbing winter peak demand, including load curtailment, load shifting, EV charging control, critical peak pricing, and behavioral demand response.

Electric Furnace 22 Residential Control of electric loads by a thermostat Heat Pump 23 DCL Direct Load Control Small Commercial and/or load control switch. HVAC 24 Small Industrial Hot Water Firm capacity reduction commitment. HVAC Large C...

AI summary The text outlines various load management strategies, including direct load control, curtailment, battery control, and EV charging control, aimed at managing electricity demand across residential, commercial, and industrial sectors.

s dispatching to the grid. Charging modulation to reduce EV EV Charging Control EV EV demand during peak periods A rate schedule with significantly higher Critical Peak Pricing peak prices to discourage consumption All classes Total Facili...

AI summary The text discusses methods to manage electric vehicle (EV) demand during peak periods, including critical peak pricing (CPP) and behavioral demand response (BDR). It also references a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045, highlighting strategies like charging modulation and targeted customer notifications.

BNI Curtailment- Water Heating Control Water Heating BNI Curtailment- Industrial Total Facility BTM Battery Control BTM Battery Control Batteries EV Charging Control EV Charging Control EV CPP with enabling technology Critical Peak Pricing...

AI summary The text discusses various demand-side management (DSM) options for curtailing energy use, including Direct Load Control (DLC) for residential and small BNI customers, BNI Curtailment for large BNI customers, and BTM battery control for all customer classes. It also mentions EV charging control and Critical Peak Pricing (CPP) with and without enabling technology.

assumptions. Figure 10-16. Key Variables for DR Potential and Cost Estimates Key Variables Description • Percentage of eligible customers enrolled in DR programs by DR Options, DR sub-options, customer class and building types Participatio...

AI summary The text outlines key variables for demand response (DR) potential and cost estimates, including participation rates, unit impacts, and various costs associated with DR programs. It highlights factors such as customer enrollment, participation ramp rates, kW reduction per device, and both one-time and recurring costs for program development and administration.

alues are tied to the end uses and the type of control. For example, the load reductions associated with Manual HVAC control and Auto-DR HVAC control are different and are specified accordingly. 31 29 This assumption applies to the Base an...

AI summary The text discusses load reductions from different HVAC control types and DR event durations, noting differences in effectiveness. It also outlines the development of detailed cost assumptions for DR options to assess program costs and calculate levelized costs using the TRC test.

Line loss values between 4.5% and 14.7% depending on customer class, which is used to bring up the potential at customer meter to the generator for cost-effectiveness assessment. 34 33 For assessing the DR benefits, Navigant used the avoid...

AI summary The text discusses line loss values and their impact on cost-effectiveness assessments, as well as the benefits and costs considered in the cost-effectiveness evaluation of demand response (DR) options, using data from the 2014 IRP and 2018 estimates from NSP. It outlines various benefit and cost streams related to DR programs.

Technology Enablement Cost O&M Cost Participant Cost 32 The enabling technology costs represents the incremental costs associated with controls and communications for making the device DR-enabled. These costs are not expected to decline me...

AI summary The text discusses the incremental costs associated with enabling technology for demand response (DR), noting that these costs are static and sourced from NS Power studies. It also mentions a cost-effectiveness assessment focusing on DR options with TRC benefit-to-cost ratios of 1.0 or greater, included in potential estimates for Nova Scotia's energy efficiency and demand response study.

fficiency and Demand Response Potential Study for 2021-2045 Figure 10-19. Summary of Changes in Programmatic Assumptions Across Scenarios % change in % change in % change in marketing Scenario Applicable Customer Class incentives over part...

AI summary The document presents a summary of changes in programmatic assumptions across different scenarios for energy efficiency and demand response potential from 2021 to 2045, including variations in incentives, marketing costs, and participation rates for different customer classes.

ms and pilots with different types of offers, developed by the Brattle Group. 38 Accordingly, the high scenario in this analysis assumes a lower unit impact for CPP than the base and low scenarios. 37 Note that residential low-income segme...

AI summary The document discusses demand response (DR) potential and cost-effectiveness results from a study conducted by Navigant for Nova Scotia, analyzing different scenarios and levels of granularity, including DR options, customer classes, and building types.

t-effectiveness results change across scenarios and present potential and cost result comparisons across the scenarios. Accordingly, this chapter presents the analysis results in the following order: 1. Base Case potential results for all...

AI summary This chapter outlines the analysis of demand response (DR) options, presenting results in a structured order. It discusses base case potential and cost-effectiveness results, as well as scenario analysis. Technical potential is also covered, assuming full customer participation, while economic potential is excluded due to differences in analysis approaches between DR and energy efficiency (EE).

investment. However, DR measures would not exist without a utility program. Measures in DRSim are not competing for market share, so cost-effectiveness can only be considered at the program level. Page 103 ©2019 Navigant Consulting, Ltd. N...

AI summary The document discusses the technical potential of demand response (DR) programs, calculated as the theoretical maximum under 100% participation of eligible load. It emphasizes that technical potential estimates for each DR sub-option should be considered independently and not summed together.

Page 105 ©2019 Navigant Consulting, Ltd. Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 11-3. DR Achievable Potential by DR Option (% of Peak Demand) Source: Navigant analysis Page 106 ©2019 Navigant...

AI summary This section of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 presents cost-effectiveness results for various Demand Response (DR) options using the Total Resource Cost (TRC) and Program Administrator Cost (PAC) tests. All DR options are cost-effective except Behavioral DR, BTM Battery Control, and EV Charging control. The TRC test considers incentives as transfer payments, while the PAC test includes them as costs, leading to lower benefit-cost ratios for the latter.

PAC Test (NPV 2020 (NPV 2020 Benefit-Cost Ratio Benefit Cost Ratio million $) million $) CPP 65.05 25.23 2.58 2.58 DLC 81.47 66.60 1.22 1.06 BNI Curtailment 12.67 11.03 1.15 0.87 Behavioural DR 5.52 5.78 0.96 0.96 BTM Battery Control 19.17...

AI summary The text presents a PAC Test with NPV and benefit-cost ratios for various demand response (DR) programs, and discusses the levelized costs and achievable potential for DR options by 2045, highlighting that some programs are not cost-effective due to high technology enablement costs or low impacts.

ablement costs • EV charging control is significantly higher cost due to relatively high technology enablement costs and assumed low unit impacts from EVs during the peak period Page 107 ©2019 Navigant Consulting, Ltd. Nova Scotia Energy E...

AI summary The document highlights the significantly higher enablement costs associated with EV charging control compared to other demand response (DR) options, due to high technology costs and low unit impacts during peak periods. Levelized costs for various DR options are presented, with EV charging control having the highest cost at $755.88 per kW-yr.

$247.37 12.00 0 72.89 EV Charging Control $755.88 5.44 0 72.89 Source: Navigant Analysis 11.4 Cost-Effective Demand Response Achievable Potential Results This section presents achievable potential results by DR options, sub-options, custom...

AI summary The document presents achievable potential results for cost-effective demand response (DR) options in Nova Scotia, showing that potential increases to about 81 MW by 2026 and plateaus at 72 MW by 2035. DLC accounts for nearly half of the potential, followed by CPP at 42%, while BNI Curtailment is significantly smaller.

Behavioural DR 5.52 5.78 0.96 Base BTM Battery Control 19.17 22.91 0.84 High CPP 177.98 36.08 4.93 High Behavioural DR 8.13 8.17 1.00 High DLC 39.46 43.56 0.91 High BNI Curtailment 9.47 10.21 0.93 High BTM Battery Control 5.53 9.54 0.58 Hi...

AI summary The document presents data on energy efficiency and demand response programs, including Behavioral DR, BTM Battery Control, CPP, DLC, and BNI Curtailment, with associated costs and impact factors. The data is sourced from Navigant Analysis and pertains to Nova Scotia's energy efficiency and demand response potential study from 2021 to 2045.

Page 113 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Figure 11-13 compares the annual cost results across the three scenarios. Due to DLC and BNI Curtailment becoming not cost-effective in the high scena...

AI summary The text compares annual program costs and achievable potential across three scenarios (low, base, and high) for Nova Scotia Energy Efficiency and Demand Response initiatives. The high scenario has lower annual costs due to reduced cost-effectiveness of DLC and BNI Curtailment, while the low scenario has lower participation levels. The achievable potential increases with the high scenario and decreases with the low scenario compared to the base scenario.

There are differences in snapback estimates between different types of space heating equipment. For example, for heat pumps, the snapback may be much more pronounced than for central furnaces. For a two-stage heat pump, the compressor oper...

AI summary The text discusses differences in snapback effects for various space heating equipment, particularly heat pumps, during curtailment events. It explains that heat pumps may experience more pronounced snapback due to the activation of heat strips when the compressor is unable to operate at lower temperatures. However, the overall impact may be mitigated due to the short duration of the snapback effect and potential use of supplemental fuels.

Page 117 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 12. CONCLUSION This study has resulted in updated, expanded, and improved information on the Nova Scotia customer base and the potential for energy an...

AI summary This study provides updated information on Nova Scotia's customer base and the potential for energy and demand reductions through energy efficiency and demand response programs. It highlights the remaining potential but notes unique challenges in realizing it over the next 25 years.

response programs and initiatives. While much energy efficiency (and demand response) potential remains, there are unique challenges in Nova Scotia in realizing this potential over the next 25 years.

AI summary The document highlights the remaining potential for energy efficiency and demand response programs in Nova Scotia, while noting the unique challenges in realizing this potential over the next 25 years.

12.1 Energy Efficiency • Near-term Electricity Savings: The majority of near-term savings are from the Res HVAC, Res Lighting, and BNI Lighting end uses. Residential screw-in LED Bulb ranks as the highest electricity- saving market potenti...

AI summary The text discusses energy efficiency initiatives in Nova Scotia, focusing on near-term electricity and winter peak demand savings from residential and BNI lighting and HVAC measures. It highlights the success of EfficiencyOne's programs, challenges due to market saturation and tightening codes, and the potential of HVAC fuel switching to remove end-use loads from homes.

cal and economic potential are attributed to HVAC fuel switching measures that completely remove the end-use load from a home. Although still a significant portion of potential, achievable results indicate that efficient electrification te...

AI summary The text discusses the potential of HVAC fuel switching and efficient electrification technologies like heat pumps for reducing energy use, but notes market barriers to adoption. It also highlights that Critical Peak Pricing (CPP) and Direct Load Control (DLC) are the main contributors to demand response savings over a 25-year period.

Page 118 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 • Collaboration to Achieve Savings: The assessment of demand response identifies several DR options for the province that can provide significant dema...

AI summary The document outlines a modelling plan for a 25-year energy efficiency and demand response study in Nova Scotia, focusing on collaboration between NS Power and EfficiencyOne to achieve demand savings. The study is being conducted by Navigant Consulting for EfficiencyOne.

l (CASPM) or the subsequent 2007 revision 2 to the CASPM; or the 2017 National Standard Practice Manual 3 by the National Efficiency Screening Project • Allows analyst to define custom cost test definitions • Rigorous treatment of early-re...

AI summary The document discusses tools and methodologies for evaluating energy efficiency and demand response programs, including the use of the National Standard Practice Manual and DSMSim model for cost-benefit analysis, as well as the ability to handle various cost and load data at different levels of granularity.

Page 9 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is an appendix to a study analyzing the potential for energy efficiency and demand response in Nova Scotia from 2021 to 2045. It provides supporting information for the main study, though the content of the appendix is not detailed in the provided text.

e use the terms “measures” and “technologies” to refer to any actions taken to increase efficiency or reduce demand, whether through changes in equipment, control strategies, or behaviour. 9 Date Filed: August 14, 2019 Page 11 of 40 Nova S...

AI summary The text defines efficiency measures as actions taken to increase efficiency or reduce demand through changes in equipment, control strategies, or behavior, as part of a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045.

Page 11 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A 2.1.2.1 Define Efficiency Measures Navigant’s process for defining potential EEMs includes developing a comprehensive list of efficien...

AI summary Navigant is defining and characterizing energy efficiency measures (EEMs) for Nova Scotia, categorizing them into residential, BNI, and peak load reduction. They will use existing ENS programs and studies, introduce new measures, and ensure all relevant technologies are assessed. A final list of recommended measures will be presented for review.

rs for review and discussion, and highlight any which were not included in the 2018 ENS Potential Study Update or the 2020-2022 ENS DSM Plan. 2.1.2.2 Characterize Efficiency Measures After Navigant and E1 have reached agreement on a final...

AI summary The document discusses the process of characterizing efficiency measures for the ENS DSM Plan, including identifying energy and demand savings, costs, and avoided costs from fuel-switching measures. Navigant is responsible for this characterization, which involves analyzing market and measure-specific data.

Page 13 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A There are three general types of energy efficiency and renewable energy resource potential: (1) technical, (2) economic, and (3) achie...

AI summary The document outlines three types of energy efficiency and renewable energy potential: technical, economic, and achievable. Technical potential represents what can be saved through available technologies, economic potential considers cost-effectiveness, and achievable potential accounts for market constraints and program impacts. Navigant will estimate these potentials in sequence.

Page 14 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is an appendix from a study analyzing the potential for energy efficiency and demand response in Nova Scotia from 2021 to 2045. It provides supporting information for the main study, which evaluates opportunities for reducing energy consumption and managing demand.

Page 15 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is an appendix to a study on the potential for energy efficiency and demand response in Nova Scotia from 2021 to 2045. It provides supporting information for the main analysis, though specific details of the content are not included in the provided text.

homes, customer-segment consumption/sales, etc.). 14 Date Filed: August 14, 2019 Page 16 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A X Technical Suitability (dimensionless) Total Technic...

AI summary The document discusses the technical suitability and total technical potential (TTP) for energy efficiency and demand response initiatives in Nova Scotia from 2020 to 2029, using the AITP (Annual Incremental Technical Potential) metric.

Retrofit (RET) and Replace-On-Burnout (ROB) Measures RET measures, commonly referred to as advancement or early-retirement measures, are replacements of existing equipment before the equipment fails. RET measures can also be efficient proc...

AI summary The text distinguishes between Retrofit (RET) and Replace-On-Burnout (ROB) measures in energy efficiency programs. RET measures involve replacing equipment before failure, while ROB measures replace failed equipment. The calculation of technical potential for these measures uses the entire building stock annually, without limiting adoption rates.

homes, customer-segment consumption/sales, etc.). 15 Date Filed: August 14, 2019 Page 17 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary The document is an appendix from a study analyzing the potential for energy efficiency and demand response in Nova Scotia from 2021 to 2045. It includes data on residential energy use, customer segments, and consumption/sales metrics.

Page 17 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is Appendix A of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045. It provides supporting information for the study, which assesses the potential for energy efficiency and demand response in the province.

Figure 11. Navigant’s Economic Potential Model Data Flow 18 Date Filed: August 14, 2019 Page 20 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A 2.1.3.3 Develop Achievable Potential

AI summary This section discusses the development of achievable potential in the context of Nova Scotia's energy efficiency and demand response initiatives, focusing on modeling and data flow as presented in Figure 11 of the study.

Page 20 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A 2.1.3.3 Develop Achievable Potential

AI summary The section outlines the need to develop achievable potential in energy efficiency and demand response initiatives for Nova Scotia, focusing on realistic and implementable strategies for the period 2021-2045.

diffusion model 10, 11 to simulate the S-shaped approach to equilibrium that is commonly observed for technology adoption. Figure 13 provides a stock/flow diagram illustrating the 9 Each of these approaches can be better understood by visi...

AI summary The text discusses the use of a diffusion model to simulate the S-shaped approach to equilibrium in technology adoption, referencing academic sources and a simulation tool. It is part of a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045.

keting Effectiveness parameter was assumed to be 0.04, representing a somewhat aggressive value that exceeds the most likely value of 0.021 (75th percentile value is 0.055) per Mahajan 2000. 21 Date Filed: August 14, 2019 Page 23 of 40 Nov...

AI summary The document discusses the assumptions used in the diffusion model for energy efficiency and demand response technologies, including a Marketing Effectiveness parameter set at 0.04, which is higher than the most likely value of 0.021. The text also describes the DSMSimTM model's approach to tracking technology stocks and retirements over time.

Page 25 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is Appendix A of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045. It provides supporting information for the study, which examines the potential for energy efficiency and demand response initiatives in the province over the next 25 years.

Page 26 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is part of an appendix from a study analyzing the potential for energy efficiency and demand response in Nova Scotia from 2021 to 2045. It provides supporting information for the main study, though specific details are not included in the provided text.

Page 28 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A Sensitivity Analysis Sensitivity analysis will allow E1 and stakeholders to gauge the level of influence a variety of factors can have...

AI summary This section discusses the sensitivity analysis approach for energy efficiency and demand response potential, emphasizing the impact of various factors on energy savings. It outlines the use of DSMSimTM to analyze twelve key variables and the limitations due to budget and timeline constraints, with results to be shared with stakeholders.

wing subsections detail Navigant’s DR potential and cost estimation methodology, as summarized in Figure 19. Developing the potential and cost estimates included the following steps: • Characterize market for DR potential by quantifying th...

AI summary The document outlines the methodology used by Navigant to assess DR potential and cost estimates, including steps such as characterizing the market, defining DR options, developing participation levels, and presenting potential estimates and cost-effectiveness results.

electric vehicles for peak All Electric vehicles. • Auto-DR demand reduction. enabled Use of BTM batteries for Behind the Meter load shifting and/or (BTM) Battery All BTM batteries. curtailment during peak Storage demand periods. 15 This i...

AI summary The text discusses the integration of electric vehicles and behind-the-meter battery storage as demand response (DR) options, highlighting their potential for demand reduction and load shifting during peak periods. It also outlines the development of programmatic assumptions for dynamic pricing strategies, such as critical peak pricing and peak time rebates.

program development process. We review information presented in well- established secondary sources, such as the FERC National DR Program Survey database 17, and publicly filed program evaluation reports and market assessment studies from...

AI summary The document discusses the program development process for demand response (DR) and energy efficiency, referencing industry data and studies from FERC and other jurisdictions to evaluate participation and impact assumptions in similar DR programs offered by utilities and ISOs/RTOs.

Page 35 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix A

AI summary This document is Appendix A of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045. It provides supporting information for the study, which analyzes the potential for energy efficiency and demand response in the province over the next 25 years.

Page 40 of 40 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B in collaboration with: Nova Scotia Residential Sector and BNI Sector Baseline Study Prepared for: Efficiency One 230 Brownlow Avenue,...

AI summary This document is an appendix to a study on Nova Scotia's energy efficiency and demand response potential from 2021 to 2045. It includes a baseline study of the residential and BNI sectors, prepared by Navigant Consulting for Efficiency One.

............................................. 27 4. Online Survey Findings .......................................................................................... 28 4.1 Online Survey Residential Sector Findings ...........................

AI summary This document presents findings from an online survey conducted as part of a study on Nova Scotia's energy efficiency and demand response potential for the years 2021-2045, focusing on the residential and BNI sectors.

-3 – Residential Sector Online Survey Results ..................................... 37 Appendix B-4 – BNI Sector Online Survey Results .................................................. 38 Page iii ©2019 Navigant Consulting, Ltd. Date File...

AI summary This document presents the results of a residential sector and BNI sector baseline study as part of a Nova Scotia Energy Efficiency and Demand Response Potential Study for the period 2021-2045. The study includes survey results from online surveys conducted in these sectors.

31% of primary heating systems are fuel oil. Figure 3 illustrates all sources (both primary, secondary and tertiary) of energy sources used to heat homes in Nova Scotia. ©2019 Navigant Consulting, Ltd. Page 5 Date Filed: August 14, 2019 Pa...

AI summary The document discusses residential heating sources in Nova Scotia, noting that 31% of primary heating systems use fuel oil, followed by electricity (33%) and heat pumps (16%). It also highlights that most clothes dryers are over five years old, with few being heat pump models.

dryer. Figure 5 illustrates the number and age of electric clothes dryers of survey respondents. Figure 5. Residential Sector – Clothes Dryers ©2019 Navigant Consulting, Ltd. Page 7 Date Filed: August 14, 2019 Page 11 of 42 Nova Scotia Ene...

AI summary The document discusses energy efficiency in residential appliances, including electric clothes dryers, washing machines, and refrigerators and freezers. It provides survey data on the age and type of these appliances among respondents in Nova Scotia.

Page 12 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B 2.7 Residential – Power Bars As indicated in Figure 8, on average, respondents have three power bars in their homes, and almost none o...

AI summary The document discusses residential power bar usage in Nova Scotia, noting that most households have three power bars, with few being smart models. Smart power bars are designed to improve energy efficiency by monitoring and controlling power to each outlet.

ow-flow. Figure 10. Residential Sector – Shower Heads Figure 11. Residential Sector – Faucets ©2019 Navigant Consulting, Ltd. Page 11 Date Filed: August 14, 2019 Page 15 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Stu...

AI summary The document discusses residential energy efficiency in Nova Scotia, focusing on the adoption of mini-split heat pumps and thermostat usage. It highlights that one-quarter of respondents have at least one mini-split heat pump and that the average home has five thermostats, with few being smart or programmable.

Figure 13. Residential Sector – Thermostats ©2019 Navigant Consulting, Ltd. Page 13 Date Filed: August 14, 2019 Page 17 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B 2.12 Residential – Lig...

AI summary The document provides data on residential energy efficiency in Nova Scotia, highlighting the average number of lightbulbs per home, the prevalence of LED bulbs, and the use of dimmers and motion sensors. It notes that no smart bulbs are connected to the internet and that indoor motion sensors are rarely used.

Figure 15. Residential Sector – Dimmers and Sensors ©2019 Navigant Consulting, Ltd. Page 15 Date Filed: August 14, 2019 Page 19 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B 2.14 Residenti...

AI summary The document presents survey results on residential energy efficiency project adoption, showing that residents are more likely to pursue projects with higher annual savings or shorter payback periods. The survey also highlights regional participation across Nova Scotia's municipalities.

Figure 23. BNI Sector – Primary Business Sector or Industry ©2019 Navigant Consulting, Ltd. Page 20 Date Filed: August 14, 2019 Page 24 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B 3.3 BN...

AI summary The document discusses the heating source types and power bars in the BNI sector in Nova Scotia. Electric heating systems are the most common, followed by oil and heat pumps. On average, businesses have almost 15 power bars, most of which are not smart.

t for a multi-tenant building which provides HVAC to terminal units in individual tenant spaces). Figure 30. BNI Sector – HVAC 3.9 BNI – Lighting Figure 31 presents data on the use of different types of LED lighting. Track/mono-point direc...

AI summary The document discusses lighting and HVAC usage in the BNI sector, highlighting the popularity of LED lighting and the presence of occupancy sensors. It also explores cost savings from energy efficiency projects, with a majority of BNI respondents indicating they would pursue projects with a payback period of 1.5 years or less.

did not know the age of their home. Household Income 29% of respondents indicated they are low income (low income cut-offs based on Statistics Canada measures). 71% of respondents are not low income. Utility Bill Payment 89% of residents s...

AI summary The study highlights that 29% of respondents are low income, and 89% pay their own electricity bills. The survey covers residents in Halifax, Mainland Nova Scotia, and Cape Breton Island, with a focus on residential lighting in the context of energy efficiency.

Page 32 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B 4.1.2 Residential Lighting A summary of the distribution of all lighting types for both interior and exterior lamps is shown in Figure...

AI summary This section discusses the distribution of residential lighting types in Nova Scotia, highlighting that 80% of light bulbs are general service bulbs, with specialty bulbs accounting for 13% of lighting.

62% of households have a secondary heating system installed. Of Backup these, 26% use some form of electric heating as a backup source. Fuel Oil Heating 31% of primary heating systems are fuel oil. Programmable 27% of residents surveyed re...

AI summary The text discusses residential heating systems and energy efficiency in Nova Scotia, noting the prevalence of secondary heating systems, fuel oil usage, programmable thermostats, and mini-split heat pumps among households. It also references a study on residential water heating and conservation.

24% of stand-alone freezers are less than 5 years old. 33% are at least 5 years but less than 10 years old, and 43% are 10 years or older. Residential Mini 75% of homes reported having no mini refrigerator or wine Refrigerators or Wine fri...

AI summary The document provides statistics on the age distribution of various household appliances, including stand-alone freezers, mini refrigerators or wine fridges, and clothes washers. It highlights that a significant portion of these appliances are older than 10 years, which may have implications for energy efficiency and replacement programs.

that turns off automatically when the room is empty. ©2019 Navigant Consulting, Ltd. Page 31 Date Filed: August 14, 2019 Page 35 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B 4.2 Online Su...

AI summary The text discusses findings from an online survey on business, nonprofit, and institutional sector building characteristics as part of a study on Nova Scotia's energy efficiency and demand response potential for 2021-2045.

for 2021-2045 Appendix B 4.2.3 Controlling Energy Usage Figure 43 lists findings for controlling energy usage in BNI facilities.. Figure 43. BNI Controls Profile Measure / Characteristic Online Survey Findings Power Bars 94% of respondents...

AI summary The document presents findings from an online survey on energy usage controls in BNI facilities, highlighting the prevalence of power bars, computer servers, and the limited adoption of advanced technologies like smart power bars, variable frequency drives, and strategic energy management practices.

equipment, or appliances had an ECM installed. ©2019 Navigant Consulting, Ltd. Page 34 Date Filed: August 14, 2019 Page 38 of 42 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B APPENDIX B-1 – RESI...

AI summary This document outlines the online survey instruments used in the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045. It includes separate surveys for the residential sector and for businesses, nonprofits, and institutions, as well as the tabulated results of the residential survey.

Appendix B APPENDIX B-3 – RESIDENTIAL SECTOR ONLINE SURVEY RESULTS Appendix B-3 includes the tabulated results of the online survey for the residential sector. ©2019 Navigant Consulting, Ltd. Page 37 Date Filed: August 14, 2019 Page 41 of...

AI summary Appendix B of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 includes survey results from the residential and BNI sectors, aimed at understanding energy usage patterns to improve energy-related programs and benefit the environment.

nergy usage. Your responses will help Efficiency Nova Scotia improve energy-related programs that assist customers in saving energy and money, and ultimately benefit the environment. All responses will be kept strictly anonymous and will b...

AI summary This survey, conducted by Efficiency Nova Scotia, aims to gather anonymous feedback from residents of Nova Scotia to improve energy-related programs. It collects information on residential energy usage, location, and demographics to better understand customer needs and support energy-saving initiatives.

e specify: ) 98 Don’t know /Not sure Please note that in the remaining questions, home refers to your primary place of residence in Nova Scotia. © Narrative Research, 2019 2 Date Filed: August 14, 2019 Page 2 of 15 Nova Scotia Energy Effic...

AI summary This section of the survey collects data on the number and age of electric clothes dryers and washers in residential homes in Nova Scotia. It includes questions about the quantity of dryers, the number of heat pump dryers, and the age distribution of dryers.

than 5 years old b. At least 5 years but less than 10 years old c. Ten years or older RECORD NUMBER _ 98 Don’t know © Narrative Research, 2019 5 Date Filed: August 14, 2019 Page 5 of 15 Nova Scotia Energy Efficiency and Demand Response Pot...

AI summary The text presents survey questions from a residential energy efficiency study in Nova Scotia, focusing on consumer electronics and domestic hot water heaters. It includes options for respondents to indicate the number of power bars and hot water heaters they have, with options for 'Don’t know' as a response.

Know Section D: Domestic Hot Water 19. How many hot water heaters do you have in your home? RECORD NUMBER _ 98 Don’t know 20. [ONLY POSE IF 1 OR MORE IN Q.19] Of this/these [INSERT NUMBER FROM Q.19] hot water heater(s), how many: [FOR EACH...

AI summary This section of the survey asks respondents about the number of hot water heaters in their homes and specific characteristics of those heaters, including exhaust ducts, smart features, insulation, and heat pump technology. The questions are part of a larger study on energy efficiency and demand response potential in Nova Scotia.

attach to the tip of the faucets to prevent splashing, conserve water, and reduce energy costs. [ONLY ALLOW NUMBER EQUAL TO OR LESS THAN WHAT WAS ENTERED IN Q.24] © Narrative Research, 2019 7 Date Filed: August 14, 2019 Page 7 of 15 Nova S...

AI summary The text includes survey questions from a residential energy efficiency study in Nova Scotia, focusing on heat pumps, thermostats, and water conservation measures. It outlines data collection procedures and includes placeholders for responses.

IF 1 OR MORE IN Q.27] Of this/these [INSERT NUMBER FROM Q.27] thermostat(s), how many are: [ONLY ALLOW NUMBER FOR EACH EQUAL TO OR LESS THAN WHAT WAS ENTERED IN Q.21] RECORD Don’t know NUMBER b) programmable, that is, you can set schedules...

AI summary The text contains survey questions about residential energy efficiency, specifically asking about the number of programmable and smart thermostats in homes. It is part of a larger study on energy efficiency and demand response potential in Nova Scotia.

B-1 2019 E1 Residential Survey – Final 29. How many, if any, of the following does your home have? RECORD Don’t know NUMBER a) Dehumidifier 8 b) Clothes line 8 c) Wood stove 8 Section G: Lighting 30. Please walk around your home and cou...

AI summary This section of the 2019 E1 Residential Survey asks respondents to identify specific home appliances and count all light bulbs in their homes, noting the type of each bulb. It includes questions about dehumidifiers, clothes lines, wood stoves, and details on lighting types such as LED, traditional sockets, special bases, linear fluorescents, and smart lights.

98 Don’t know/Not sure 31. Next, please indicate…. DO NOT ALLOW NUMBERS ENTERED IN ‘B’ OR ‘D’ EXCEED VALUE ENTERED IN 30. DO NOT ALLOW THE SUM OF C+D TO EXCEED Q30 RECORD Don’t know NUMBER b) How many are LED bulbs? 8 c) How many have a b...

AI summary The text includes survey questions about residential lighting, such as the number of LED bulbs, bulbs with standard bases, specialty bases, smart lights, and linear fluorescents. It is part of a study on energy efficiency and demand response potential in Nova Scotia.

021-2045 Appendix B-1 2019 E1 Residential Survey – Final 31a. How many of the following are in your home? RECORD Don’t know NUMBER a) Manual light dimmers DISPLAY IMAGE 8 b) Indoor motion sensors that activate/turnoff lights 8 c) Outdoor...

AI summary This section of the 2019 E1 Residential Survey asks respondents about the presence of specific home devices and their familiarity with various energy-efficient technologies. It includes questions on light dimmers, motion sensors, and energy-efficient appliances such as heat pump water heaters and ENERGY STAR mini-split heat pumps.

Water Heaters b. ENERGY STAR Mini Split Heat Pumps c. Heat Pump Clothes Dryers d. Energy Efficient Clothes Washers 35. Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your home, but ch...

AI summary The text discusses energy efficiency projects, including examples like heat pumps and energy-efficient appliances, and presents a scenario asking if a homeowner would pursue a project with a $1,000 cost after rebates that saves a random amount annually. It is part of a survey on residential energy efficiency and demand response potential in Nova Scotia.

tial Study for 2021-2045 Appendix B-1 2019 E1 Residential Survey – Final IF ‘YES,’ DECREASE AND ASK UNTIL ‘NO’ OR NONE REMAINING. IF ‘NO,’ INCREASE AND ASK UNTIL ‘YES,’ OR NONE REMAINING Yes No Don’t know a) $100 1 2 8 b) $250 1 2 8...

AI summary This section presents survey responses from the 2019 E1 Residential Survey, showing the number of respondents who indicated willingness to pay various amounts for energy efficiency measures, with responses categorized as 'Yes,' 'No,' or 'Don’t know.'

1 2 8 i) $1,300 1 2 8 33. Before today, how familiar were you with: ROTATE LIST; RANDOMLY POSE ONLY ONE OF THESE ITEMS 0- 1 2 3 4 5 6 7 8 9 10 – Completely Completely Unfamiliar Familiar a. Networked/Connected – Indoor LED lights (i....

AI summary The text presents a survey question asking respondents about their familiarity with various energy efficiency technologies and whether they would pursue a project with a $75 cost after rebates that saves a random amount of money annually.

ou generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[INSERT RANDOM AMOUNT FROM TABLE BELOW] per year? © Narrative Research, 2019 11 Date Filed: August 14, 2019 Page 11 o...

AI summary The text presents a survey question about residential energy efficiency projects, asking respondents if they would generally pursue a project with a post-rebate cost of $75 if it saved a specific amount per year. The question is part of a larger study on energy efficiency and demand response potential in Nova Scotia.

2019 E1 Residential Survey – Final 37c. [POSE IF TOTAL IN Q36 A AND B=5 or more] Was your household income before taxes last year below $57,747? 1 Yes 2 No 3 Prefer not to say 98 Don’t know/Not sure 38. Do you live within a First Nations C...

AI summary The text includes a residential survey from 2019 that asks questions about household income, First Nations community residence, and primary heating energy sources. It is part of a study on energy efficiency and demand response potential in Nova Scotia for the period 2021-2045.

Businesses SOFT QUOTAS ON REGION ALL PROGRAMMING NOTES ARE PRESENTED IN BOLD CAPS FOR ALL NUMERIC RESPONSES, RANGES ARE NOT ACCEPTED ALL QUESTIONS ARE MANDATORY NOTE: QUESTION NUMBERING VARIES BASED ON CHANGES TO THE SURVEY INSTRUMENT, QUE...

AI summary This document is a survey conducted by Efficiency Nova Scotia to gather data on business energy usage in Nova Scotia. The survey includes questions about business location and postal code to better understand energy consumption patterns and improve energy-related programs.

LY IF 1 OR MORE IN Q.4] Of this/these [INSERT NUMBER FROM Q.4] power bar(s), how many… [ONLY ALLOW NUMBER FOR EACH EQUAL TO OR LESS THAN WHAT WAS ENTERED IN Q.4] RECORD NUMBER Don’t know b) Are smart power bars, that is, can be controlled...

AI summary The text includes survey questions about the use of smart power bars and server virtualization in businesses located in Nova Scotia. These questions are part of a larger study on energy efficiency and demand response potential in the region.

k? 9d. [DO NOT POSE IF Q9A=TOTAL ENTERED IN Q8] Of this/these remaining [INSERT NUMBER Q8 TOTAL MINUS Q9A TOTAL] hot water heaters, how many are heat pump water heaters? RECORD NUMBER: 98 Don’t know/Not sure © Narrative Research, 2019 3 Da...

AI summary The text includes a survey question about heat pump water heaters and a section on HVAC and refrigeration in a commercial building survey conducted in 2019 as part of a Nova Scotia energy efficiency and demand response study.

Not Yes No Don’t know Applicable a) Have open coolers, that is, coolers 1 2 8 9 that do not have covers or doors? b) Have strategic energy management or organized management approach? This is the process of 1 2 8 9 monitoring, cont...

AI summary The text presents a series of questions related to energy management practices, including the use of open coolers, strategic energy management, door heater controls, packaged terminal heat pumps, and variable frequency drives in heating, cooling, and ventilation systems.

is the speed of any fans or pumps automatically 1 2 8 9 controlled by a variable frequency drive (VFD)? © Narrative Research, 2019 4 Date Filed: August 14, 2019 Page 4 of 16 Nova Scotia Energy Efficiency and Demand Response Potential S...

AI summary The text includes a question about the use of variable frequency drives (VFDs) in controlling fans or pumps, and references a 2019 commercial survey related to energy efficiency and demand response potential in Nova Scotia.

highlight outdoor objects and features). f) General service lights (i.e. have a base sized like a normal light bulb _ 8 and screw into regular light sockets) g) Parking garage lights _ 8 17. Approximately, how many occupancy sensors does...

AI summary The text includes survey questions about lighting fixtures and occupancy sensors in commercial buildings in Nova Scotia, focusing on energy efficiency measures such as daylighting controls and lighting commissioning.

heaters that are installed in the frames and doors of refrigerated cases to reduce condensation and prevent fogging.) © Narrative Research, 2019 8 Date Filed: August 14, 2019 Page 8 of 16 Nova Scotia Energy Efficiency and Demand Response P...

AI summary The text lists various energy efficiency technologies and programs, including packaged terminal heat pumps, electronically commutated motors for refrigeration, and strategic energy management programs, as part of a study on energy efficiency and demand response potential in Nova Scotia.

zation to implement energy management actions and consistently achieve energy performance improvements) 23. Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes t...

AI summary The text presents a hypothetical scenario regarding the pursuit of an energy efficiency project with no impact on the quality of lighting, heating, and cooling but potential inconvenience and cost. It asks whether the respondent would generally pursue such a project if the cost after rebates is $100,000 and the annual savings vary.

g. LED Track light (A lighting system in which the lights are fitted on tracks, allowing variable positioning) © Narrative Research, 2019 10 Date Filed: August 14, 2019 Page 10 of 16 Nova Scotia Energy Efficiency and Demand Response Potent...

AI summary The text describes various lighting systems and presents a survey question about energy efficiency projects, asking whether a business would pursue a project with a $7,500 cost after rebates if it saved a random amount annually.

8 Industrial DO NOT SHOW IF CODE 2, 5, 6, OR 7 9 Industrial, Cust-owned Transf ONLY POSE IF CODE 4 98 Don’t know/Not sure © Narrative Research, 2019 13 Date Filed: August 14, 2019 Page 13 of 16 Nova Scotia Energy Efficiency and Demand Resp...

AI summary The text contains survey questions from a 2019 energy efficiency and demand response study in Nova Scotia, focusing on electricity usage, business classification, and heating sources. It includes prompts for respondents to provide information on monthly electricity spending and heating methods used in their business locations.

5 Propane 6 Natural gas 7 Solar 98 Don’t know/Not sure 99 Other (Please specify: ) © Narrative Research, 2019 14 Date Filed: August 14, 2019 Page 14 of 16 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appe...

AI summary The text presents a survey question about heating types used in commercial buildings in Nova Scotia, including options such as oil, electricity, heat pumps, propane, natural gas, solar, and others. The survey is part of a study on energy efficiency and demand response potential from 2021 to 2045.

used 98 Don’t know/Not sure 32. [POSE IF ‘ELECTRICITY’ IN Q 30 OR 31] What type of electric heating does your business’ location use? CODE ONE ONLY 1 Electric Baseboards (e.g., small electric heaters, places throughout your building, typic...

AI summary This document presents a survey question regarding the type of electric heating used in a business location, with multiple options provided. It is part of a study on Nova Scotia's energy efficiency and demand response potential for 2021-2045.

SPECIFY: ) That concludes the survey. Thank you for your assistance and cooperation. It is greatly appreciated! © Narrative Research, 2019 16 Date Filed: August 14, 2019 Page 16 of 16 Nova Scotia Energy Efficiency and Demand Response Poten...

AI summary The text is a concluding statement from a survey conducted by Narrative Research in 2019, related to a Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045. It indicates the end of the survey and acknowledges the participant's assistance.

1 0 0 0 WEIGHTED SAMPLE SIZE (#) 1002 435 145 422 477 521 242 326 434 261 639 672 330 423 572 258 454 548 220 782 167 169 142 156 UNWEIGHTED SAMPLE SIZE (#) 1002 464 135 403 450 548 202 333 467 246 651 681 321 428 573 268 458 544 218 784 1...

AI summary The text provides statistical data from a survey on residential electricity usage in Nova Scotia, including weighted and unweighted sample sizes, and references a study on energy efficiency and demand response potential for 2021-2045. It also mentions a narrative research document filed on August 14, 2019.

1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Responses of 'Don't know' were excluded from calculation of the mean. 3 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 3 of 54 Nova Scotia Energy Efficiency and Demand Response Poten...

AI summary The text includes a survey question about the number of heat pump dryers among respondents, part of a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045.

307 136 401 465 131 291 335 189 285 311 141 455 105 119 109 112 UNWEIGHTED SAMPLE SIZE (#) 615 242 87 286 285 328 78 211 326 137 414 478 137 295 348 196 293 322 143 472 106 124 117 108 This table excludes responses of 'Don't know'. 9 Narra...

AI summary This document presents a table and narrative from a 2019 electricity usage survey conducted in Nova Scotia, focusing on residential energy consumption data. The table includes sample sizes and excludes responses of 'Don't know', providing insights for energy efficiency and demand response studies from 2021-2045.

.2 .2 .3 .2 .2 .3 .2 .3 .2 .2 .2 .2 .3 .2 .3 .2 .4 .2 .3 .3 .1 .2 Responses of 'Don't know' were excluded from calculation of the mean. 10 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 10 of 54 Nova Scotia Energy Efficien...

AI summary The document presents data from the 2019 Electricity Usage Surveys - Residential, with responses shown as a proportion of the total number of specific items. It is part of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045, and is part of Appendix B-3.

3.5 3.5 3.0 3.4 3.8 2.9 3.7 3.8 2.9 3.5 3.5 3.8 3.5 3.4 3.6 3.4 4.1 3.8 3.5 3.7 Responses of 'Don't know' were excluded from calculation of the mean. 14 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 14 of 54 Nova Scotia E...

AI summary The document presents a table from a 2019 survey on residential electricity usage in Nova Scotia, focusing on the number of faucets with low-flow aerators. The data is part of a study on energy efficiency and demand response potential for the period 2021-2045.

OR MORE] Of this/these [Q24 RESPONSE] faucet(s), how many have low-flow faucet aerators? Faucet aerators attach to the tip of the faucets to prevent splashing, conserve water, and reduce energy costs.

AI summary The question asks how many of the faucets mentioned in the response have low-flow faucet aerators, which are designed to prevent splashing, conserve water, and reduce energy costs.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The data provides a demographic breakdown of respondents by region, gender, age, income, home ownership, heating type, and familiarity with energy upgrades. It includes weighted sample sizes and percentages for various categories, offering insights into the distribution of low-income households, heating sources, and awareness of energy-efficient upgrades.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The table presents demographic data on low-income households in Nova Scotia, including gender, age, home ownership, heating types, and familiarity with energy upgrades. It highlights disparities in distribution across regions like HRM, Cape Breton, and Mainland NS.

.3 .3 .3 .2 .3 .2 .2 .4 .4 .3 Responses of 'Don't know' were excluded from calculation of the mean. 19 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 19 of 54 Nova Scotia Energy Efficiency and Demand Response Potential Stu...

AI summary This text includes a table from a 2019 electricity usage survey, asking residential participants to count and categorize their light bulbs. The survey is part of a study on energy efficiency and demand response potential in Nova Scotia for the years 2021–2045.

E (#) 1002 464 135 403 450 548 202 333 467 246 651 681 321 428 573 268 458 544 218 784 169 170 150 153 MEAN 26.0 25.6 24.5 27.0 26.2 25.8 19.0 26.0 29.9 19.0 28.9 30.5 16.5 27.1 25.9 31.7 28.1 24.2 26.8 25.8 32.3 32.1 31.4 28.6 Responses o...

AI summary The document presents a study on Nova Scotia's energy efficiency and demand response potential from 2021 to 2045, including statistical data and narrative research. It includes a mean calculation and excludes responses of 'Don't know' or above 85. The study is filed by Navigant on August 14, 2019, as part of Appendix B-3.

6 308 442 237 611 643 293 399 547 256 436 500 212 724 161 159 142 148 MEAN 15.8 16.0 15.7 15.5 15.5 16.0 9.6 17.7 17.4 11.2 17.4 18.9 9.0 16.0 16.2 20.0 17.8 14.0 17.5 15.2 22.6 21.2 17.4 15.1 Responses of 'Don't know' or above 85 were exc...

AI summary The document presents data from electricity usage surveys conducted in 2019, focusing on residential consumption in Nova Scotia. The data includes mean values and excludes responses of 'Don't know' or above 85. The study is part of a broader analysis of energy efficiency and demand response potential up to 2045.

128 373 425 508 186 308 442 237 611 643 293 399 547 256 436 500 212 724 161 159 142 148 MEAN 3.1 3.1 2.6 3.3 3.5 2.8 2.5 2.9 3.6 2.2 3.6 3.9 1.4 3.1 3.3 3.4 3.6 2.7 3.2 3.1 4.4 4.0 3.7 3.6 Responses of 'Don't know' or above 85 were exclude...

AI summary The text presents data from the 2019 Electricity Usage Surveys - Residential, including numerical values and a mean calculation, with responses of 'Don't know' or above 85 excluded. It references a study on Nova Scotia Energy Efficiency and Demand Response Potential for 2021-2045 and is part of a document filed by Navigant on August 14, 2019.

301 427 226 585 618 277 387 521 250 423 472 208 687 153 155 138 141 MEAN .5 .5 .8 .4 .6 .4 .4 .9 .2 .5 .5 .5 .4 .5 .6 .6 .5 .5 .8 .4 .6 1.0 .3 .3 Responses of 'Don't know' or above 85 were excluded from calculation of the mean. 23 Narrativ...

AI summary The text presents data from a 2019 electricity usage survey focusing on residential linear fluorescent lighting, specifically tube lights. It includes statistical values and a table reference related to survey responses.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The text presents statistical data on various demographic and home-related factors, including income, heating types, age of homes, and the proportion of households with different lighting technologies. The data is segmented by region, gender, age, and low-income status, providing insights into household characteristics and energy-related upgrades.

.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .0 Responses of 'Don't know' or above 5 were excluded from calculation of the mean. 25 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 25 of 54 Nova Scotia Energy...

AI summary The text presents a table from a 2019 electricity usage survey focusing on residential outdoor motion sensors that activate or turn off lights. The table is part of a larger study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The text presents a table with demographic and housing-related data, including gender, age, income, home ownership, heating types, and familiarity with energy upgrades. It shows statistics across different regions of Nova Scotia, such as HRM, Cape Breton, and Mainland NS, and categorizes responses based on age, income, and heating type.

50 57 0 67 51 61 54 58 MEAN 3.4 3.6 3.4 3.2 3.5 3.3 4.3 2.9 3.2 3.3 3.3 3.2 3.7 3.4 3.7 3.8 3.7 3.1 8.9 2.0 3.9 2.6 3.3 3.3 This question was randomly posed to approximately one in four respondents. 26 Narrative Research NAV002-1000 Date F...

AI summary The text presents a survey from 2019 regarding residential electricity usage in Nova Scotia, focusing on respondents' familiarity with ENERGY STAR Mini Split Heat Pumps. The survey was part of a broader study on energy efficiency and demand response potential for the period 2021-2045.

2019 Electricity Usage Surveys - Residential TABLE 32_2: Before today, how familiar were you with: ENERGY STAR Mini Split Heat Pumps

AI summary The document text references a 2019 Electricity Usage Survey focusing on residential energy use and asks respondents about their familiarity with ENERGY STAR Mini Split Heat Pumps prior to a specific date.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The text presents a table containing demographic and housing-related data, including gender, age, income level, home ownership, heating types, and familiarity with energy upgrades. It includes statistics across different regions and demographics in Nova Scotia.

2019 Electricity Usage Surveys - Residential TABLE 32_3: Before today, how familiar were you with: Heat Pump Clothes Dryers

AI summary The document text references a 2019 Electricity Usage Survey focusing on residential heat pump clothes dryers. It includes a table labeled 'TABLE 32_3' and asks about familiarity with heat pump clothes dryers before a specific date.

8 87 0 90 83 90 96 76 MEAN 1.4 1.9 1.1 1.0 1.9 1.1 2.8 1.4 .8 2.0 1.2 1.1 2.1 1.4 1.5 1.0 1.7 1.2 8.6 .7 1.4 .7 .3 1.8 This question was randomly posed to approximately one in four respondents. 28 Narrative Research NAV002-1000 Date Filed:...

AI summary The document presents survey data from 2019 on residential electricity usage in Nova Scotia, focusing on respondents' familiarity with energy-efficient clothes washers. The data is part of a broader study on energy efficiency and demand response potential for 2021-2045.

2019 Electricity Usage Surveys - Residential TABLE 32_4: Before today, how familiar were you with: Energy Efficient Clothes Washers

AI summary The document text refers to a 2019 Electricity Usage Survey focusing on residential energy efficiency, specifically asking about familiarity with energy-efficient clothes washers.

NAVIGANT 2019 Electricity Usage Surveys - Residential TABLE 35A: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your home, but changes the amount of energy consumed and MAY result in...

AI summary This text discusses a hypothetical energy efficiency project with no impact on home comfort but potential inconvenience and cost. It asks if a resident would pursue such a project with a $1,000 cost after rebates and annual savings of $100.

example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[100] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and $100 annual savings would be pursued, highlighting considerations around cost-benefit analysis in energy efficiency initiatives.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The text provides a table with demographic and housing-related data, including gender, age, low-income status, home ownership, heating types, and the familiarity with energy upgrades. The table includes weighted and unweighted sample sizes for different regions and demographics in Nova Scotia.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. TABLE 35B: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, he...

AI summary The text presents a survey question about willingness to pursue an energy efficiency project with a $1,000 cost after rebates and annual savings of $250, assuming no impact on home comfort but potential inconvenience.

example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[250] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and $250 annual savings would be pursued, highlighting considerations around cost-benefit analysis in energy efficiency initiatives.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. 30 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 30 of 54 Nova Scotia Ener...

AI summary This section discusses a hypothetical energy efficiency project that does not affect the quality of lighting, heating, and cooling but may cause inconvenience due to installation processes. It references a survey conducted in 2019 on residential electricity usage in Nova Scotia.

umed and MAY result in some inconvenience (for example, obtaining project estimates, selecting and overseeing a contractor for the installation). An example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy e...

AI summary The text discusses potential inconvenience related to energy efficiency projects, such as obtaining project estimates and overseeing contractors. It also asks whether an energy efficiency project with a $1,000 cost after rebates and $400 annual savings would be pursued.

example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[400] per year?

AI summary The text asks whether an energy efficiency project with a cost of $1,000 after rebates and annual savings of $400 would be pursued, highlighting considerations around cost-benefit analysis for such projects.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. TABLE 35D: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, he...

AI summary This table and question explore customer willingness to pursue energy efficiency projects with a $1,000 cost after rebates, assuming annual savings of $550 and potential inconvenience. It excludes respondents who answered 'Don't know' to related questions.

example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[550] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and annual savings of $550 would be pursued. It highlights considerations around cost-benefit analysis in energy efficiency initiatives.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. 31 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 31 of 54 Nova Scotia Ener...

AI summary The text discusses a residential energy efficiency project that may change energy consumption and cause some inconvenience, such as selecting and overseeing a contractor for installation. It references a survey conducted in 2019 about electricity usage.

umed and MAY result in some inconvenience (for example, obtaining project estimates, selecting and overseeing a contractor for the installation). An example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy e...

AI summary The text discusses potential inconvenience related to energy efficiency projects, such as obtaining project estimates and overseeing contractors. It also asks about the likelihood of pursuing a project with a $1,000 cost after rebates and annual savings of $700.

example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[700] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and annual savings of $700 would be pursued. It references an item seen in Q32, though the context is unclear.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. TABLE 35F: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, he...

AI summary This table and question explore consumer willingness to pursue energy efficiency projects with a $1,000 cost after rebates, assuming annual savings of $850 and potential inconvenience. It excludes respondents who indicated 'Don't know.'

example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[850] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a post-rebate cost of $1,000 and annual savings of $850 would be pursued, highlighting considerations around cost-benefit analysis in energy efficiency initiatives.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. 32 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 32 of 54 Nova Scotia Ener...

AI summary The text discusses a residential energy efficiency project that may result in inconvenience, such as obtaining project estimates and overseeing a contractor, but does not impact the quality of lighting, heating, and cooling in the home. An example provided is the installation of new items seen in Q32.

umed and MAY result in some inconvenience (for example, obtaining project estimates, selecting and overseeing a contractor for the installation). An example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy e...

AI summary The text discusses potential inconvenience related to energy efficiency projects, such as obtaining project estimates and overseeing contractors. It also asks if an energy efficiency project costing $1,000 after rebates, which saves $1,000 annually, would be pursued.

xample might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[1000] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and annual savings of $1,000 would be pursued, highlighting considerations around cost and savings.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. TABLE 35H: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, he...

AI summary This table and question explore customer willingness to pursue energy efficiency projects with a $1,000 cost after rebates, saving $1,150 annually, assuming no impact on home comfort but potential inconvenience.

xample might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[1150] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and $1,150 annual savings would be pursued, highlighting the cost-benefit analysis of such projects.

243 248 111 162 220 129 334 336 157 206 289 145 233 260 123 370 96 84 62 80 This table excludes those who responded 'Don't know' to any of Q35a-i. 33 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 33 of 54 Nova Scotia Ener...

AI summary The text discusses a residential energy efficiency project that does not affect the quality of lighting, heating, and cooling but may change energy consumption and cause some inconvenience, such as selecting and overseeing a contractor for installation.

umed and MAY result in some inconvenience (for example, obtaining project estimates, selecting and overseeing a contractor for the installation). An example might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy e...

AI summary The text discusses potential inconvenience related to energy efficiency projects, such as obtaining project estimates and overseeing contractors. It also asks about pursuing a project with a $1,000 cost after rebates that saves $1,300 annually.

xample might be installing new [ITEM SEEN IN Q32]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $1,000 if the project saved $[1300] per year?

AI summary The text presents a hypothetical scenario asking whether an energy efficiency project with a $1,000 cost after rebates and annual savings of $1,300 would generally be pursued.

0 40 6 18 18 4 0 15 MEAN 6.7 6.3 5.5 7.5 7.0 6.4 5.1 7.4 7.1 6.5 6.8 7.0 5.9 6.7 6.8 7.8 8.9 3.3 8.6 6.3 6.3 8.0 7.3 6.8 This question was randomly posed to approximately one in nine respondents. 40 Narrative Research NAV002-1000 Date File...

AI summary The document presents a survey question regarding respondents' familiarity with low-flow faucet aerators, part of a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045.

0 39 3 18 6 14 10 0 MEAN 7.0 6.3 7.5 7.6 7.6 6.6 6.7 6.9 7.2 7.3 6.9 7.5 6.2 7.3 6.9 7.4 8.9 3.6 8.5 6.5 7.1 7.6 7.1 8.1 This question was randomly posed to approximately one in nine respondents. 42 Narrative Research NAV002-1000 Date File...

AI summary This text presents statistical data and references a residential electricity usage survey conducted in 2019, focusing on energy efficiency and demand response potential in Nova Scotia. It discusses a hypothetical energy efficiency project with no impact on the quality of home comfort but affecting energy consumption.

A: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your home, but changes the amount of energy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy ef...

AI summary The text presents a hypothetical energy efficiency project with no impact on home comfort but reduced energy consumption. It asks if a project costing $75 after rebates, saving $15 annually, would be pursued.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[15] per year?

AI summary The text discusses the cost-benefit analysis of an energy efficiency project, considering utility rebates and annual savings. It presents a hypothetical scenario to evaluate the viability of such a project.

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. TABLE 34B: Suppose an energy efficiency project has NO impact on the QUALITY of lightin...

AI summary This table presents survey responses regarding willingness to pursue an energy efficiency project with a $75 cost after rebates and $25 annual savings. It excludes respondents who indicated 'Don't know' to any of the relevant questions.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[25] per year?

AI summary The text discusses energy efficiency projects and asks whether an individual would pursue a project with a cost of $75 after rebates if it saves $25 annually. It references an example seen in Q33.

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. 43 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 43 of 54 Nova Scotia...

AI summary This text discusses a survey question about residential energy efficiency projects, asking respondents if they would pursue a project with a $75 cost after rebates that saves $35 annually, assuming no impact on the quality of lighting, heating, and cooling.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[35] per year?

AI summary The text discusses energy efficiency projects and asks whether a project costing $75 after rebates, which saves $35 annually, would be pursued. It references an example from [ITEM SEEN IN Q33].

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. TABLE 34D: Suppose an energy efficiency project has NO impact on the QUALITY of lightin...

AI summary This text presents a table and a question related to energy efficiency projects, asking respondents if they would pursue a project with a $75 cost after rebates and annual savings of $45. The table excludes those who answered 'Don't know' to any of Q34a-i.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[45] per year?

AI summary The text discusses the consideration of pursuing an energy efficiency project with a cost of $75 after rebates and annual savings of $45. It references an example from [ITEM SEEN IN Q33].

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. 44 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 44 of 54 Nova Scotia...

AI summary This text presents a survey question from a 2019 study on residential energy efficiency in Nova Scotia, asking respondents if they would pursue an energy efficiency project with a $75 cost after rebates, saving $55 annually, assuming no impact on home comfort.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[55] per year?

AI summary The text discusses energy efficiency projects, specifically asking if a project costing $75 after rebates, which saves $55 annually, would generally be pursued. It references an example from [ITEM SEEN IN Q33].

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. TABLE 34F: Suppose an energy efficiency project has NO impact on the QUALITY of lightin...

AI summary This table presents responses to a question about pursuing an energy efficiency project with a $75 cost after rebates and $65 annual savings. It excludes those who answered 'Don't know' to any of Q34a-i. The table is part of a survey on energy efficiency project preferences.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[65] per year?

AI summary The text discusses the consideration of energy efficiency projects, specifically whether to pursue a project with a cost of $75 after rebates if it saves $65 annually. It references an example from [ITEM SEEN IN Q33].

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. 45 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 45 of 54 Nova Scotia...

AI summary The text presents a survey question from a 2019 electricity usage study, asking residential respondents about their willingness to pursue an energy efficiency project with a $75 cost after rebates and annual savings of $75. The context is part of a larger analysis of energy efficiency and demand response potential in Nova Scotia.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[75] per year?

AI summary The text asks whether an energy efficiency project costing $75 after rebates, which saves $75 annually, would be pursued. It references an example from [ITEM SEEN IN Q33].

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. TABLE 34H: Suppose an energy efficiency project has NO impact on the QUALITY of lightin...

AI summary This table and question explore customer willingness to pursue energy efficiency projects with a $75 cost after rebates, assuming no impact on home comfort, and saved $85 annually. It excludes respondents who answered 'Don't know' to related questions.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[85] per year?

AI summary The text discusses energy efficiency projects and asks whether they would be pursued if the cost after rebates is $75 and the annual savings are $85. It references an example from [ITEM SEEN IN Q33].

202 244 258 118 164 222 122 342 346 158 215 294 149 243 261 133 371 102 90 59 80 This table excludes those who responded 'Don't know' to any of Q34a-i. 46 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 46 of 54 Nova Scotia...

AI summary The text presents a survey question from a 2019 electricity usage study, asking respondents about their willingness to pursue an energy efficiency project with a $75 cost after rebates and annual savings of $95. The context is part of a larger analysis of residential energy efficiency and demand response potential in Nova Scotia.

nergy consumed. An example might be [ITEM SEEN IN Q33]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $75 if the project saved $[95] per year?

AI summary The text discusses energy efficiency projects, specifically asking whether one would pursue a project costing $75 after rebates if it saves $95 annually. It references an example found in [ITEM SEEN IN Q33].

2 6 1 0 0 6 4 WEIGHTED SAMPLE SIZE (#) 230 104 31 95 93 136 47 65 118 72 136 114 115 90 125 32 96 133 54 176 24 25 19 41 UNWEIGHTED SAMPLE SIZE (#) 226 109 28 89 86 140 41 62 123 71 133 110 116 92 120 31 97 129 51 175 25 20 18 41 48 Narrat...

AI summary This section presents data from the 2019 Electricity Usage Surveys - Residential, including weighted and unweighted sample sizes, as part of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045.

220 782 167 169 142 156 UNWEIGHTED SAMPLE SIZE (#) 1002 464 135 403 450 548 202 333 467 246 651 681 321 428 573 268 458 544 218 784 169 170 150 153 50 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 50 of 54 Nova Scotia Ene...

AI summary This section of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 presents a table from the 2019 Electricity Usage Surveys - Residential, focusing on the types of heating systems used by residents. The table includes survey data on heating systems, with a note that responses should be selected if the respondent does not select 'Don't know/Not sure' for question Q39.

REGION GENDER AGE LOW INCOME HOME HEATING TYPE(S) INEXPENSIVE UPGRADES EXPENSIVE UPGRADES AGE OF HOME OVERALL % Other HRM Cape Breton Male Female 18-34 35-54 55+ Yes No Own Rent Oil Electricity Heat pump Familiar (7-10) Unfamiliar (0-6) Fa...

AI summary The text presents a table with data on heating types and home characteristics in Nova Scotia, including percentages by region, gender, age, income, and home age. It details various heating systems such as electric baseboards, ductless heat pumps, and electric resistance boilers, along with their distribution across different demographic and geographic categories.

6 6 5 9 1 2 3 furnace which uses an electric heating element and distributes heat through hot water, to your floor or radiators) Electric Resistance Furnace (i.e., a central 4 7 2 2 4 4 9 3 1 4 4 3 6 9 4 0 5 3 8 3 4 0 3 3 furnace which use...

AI summary The text presents a table with data on various heating systems, including electric resistance furnaces, central air-source heat pumps, ground-source heat pumps, and others. The data includes numerical values, likely representing usage or distribution statistics across different categories.

188 116 22 50 110 78 53 49 43 45 62 37 59 109 44 1 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 1 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electrici...

AI summary The document presents data from the 2019 Electricity Usage Surveys - Business, focusing on the number of electrical power bars at business locations in Nova Scotia. This data is part of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045.

12.4 5.8 8.0 29.3 3.9 13.3 33.1 11.7 14.7 11.7 Responses of greater than 225 were excluded from calculation of the mean. 2 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 2 of 51 Nova Scotia Energy Efficiency and Demand Res...

AI summary The document presents data from the 2019 Electricity Usage Surveys - Business, focusing on the number of smart power bars in use, with responses greater than 225 excluded from the mean calculation. The study is part of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045.

cy and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricity Usage Surveys - Business TABLE 7: [IF Q6 1 OR MORE] Of this/these [Q6 RESPONSE] server(s), how many use server virtualization and decommissioning?...

AI summary The document text refers to a survey about server virtualization and decommissioning, part of the 2019 Electricity Usage Surveys for businesses, included in Appendix B-4 of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045.

8 34 58 30 25 29 22 25 30 19 35 50 26 This table excludes responses of 'Don't know'. 6 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 6 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045...

AI summary The document presents a table and narrative from a study on energy efficiency and demand response potential in Nova Scotia, focusing on business electricity usage surveys. It includes data on open coolers in business buildings and references a study filed in August 2019.

174 104 19 51 101 69 50 50 38 44 59 35 59 101 45 7 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 7 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electrici...

AI summary The document presents a survey question regarding the presence of door heater controls (anti-sweat heaters) in commercial buildings in Nova Scotia, specifically in grocery and convenience stores, as part of the 2019 Electricity Usage Surveys.

175 105 21 49 101 70 51 49 38 44 59 34 60 100 44 8 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 8 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electrici...

AI summary This section of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 presents a survey question regarding the use of variable frequency drives (VFDs) in heating, cooling, and ventilation systems within business buildings.

35 79 42 36 33 32 30 45 31 39 79 34 MEAN .3 .2 .2 .6 .1 .4 .1 .5 .4 .1 .1 .6 .4 .3 .3 9 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 9 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045...

AI summary The document presents a table from the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045, focusing on 2019 electricity usage surveys for businesses. It includes data on the number of door heater controls, such as anti-sweat heaters (ASH), installed in refrigerated cases, which are common in grocery and convenience stores.

o'] How many of each does your business have? Systems with variable frequency drive (VFD)? In your heating, cooling and ventilation systems, VFD automatically controls the speed of any fans or pumps.

AI summary The text asks about the number of systems with variable frequency drives (VFD) in heating, cooling, and ventilation systems, explaining that VFD automatically controls the speed of fans or pumps.

66 11 27 60 43 27 30 31 24 40 29 30 71 30 MEAN 1.1 1.2 1.8 .5 1.2 1.0 .8 .6 2.0 .3 .9 1.9 1.6 1.1 1.4 12 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 12 of 51 Nova Scotia Energy Efficiency and Demand Response Potential S...

AI summary The document presents survey data from the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045, focusing on the number of motors used in HVAC, refrigeration equipment, and appliances, and the proportion of these that use electronically commutated (EC) motors.

, refrigeration equipment, or appliances use EC Motors? EC Motors refer to an electronically commutated motor that uses electronic controls to vary its speed. They may be known as brushless DC motors. REGION BUSINESS PREMISES FT EMPLOYEES...

AI summary The text discusses the use of EC Motors in refrigeration equipment and appliances, and includes a table showing the proportion of businesses using EC Motors across different regions and heating types, as well as data on lighting usage including LED and smart bulbs.

s (LED + non-LED)] Q15A_1. Number of Non-LED Bulbs Q15A_2. Number of LED Bulbs Q16A. [IF Q15A_LED 1 OR MORE] Of these LED light bulbs, how many are connected to the internet (i.e., smart lightbulbs)? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a table with data on the number of LED and non-LED bulbs, the proportion of LED bulbs connected to the internet, and related demographic and business information. The data is organized by region, business premises type, employee count, square footage, and heating type. Responses with more than 1,000 bulbs were excluded from the table.

46 37 20 29 23 17 33 21 27 51 24 Responses of greater than 1,000 bulbs were excluded from this table. 13 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 13 of 51 Nova Scotia Energy Efficiency and Demand Response Potential S...

AI summary The document includes a table from the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045, which shows survey responses related to the number of non-LED and LED bulbs used in pole-mounted area lights. Responses with more than 1,000 bulbs were excluded from the table.

38 27 4 7 25 12 13 8 15 9 15 11 11 32 11 14 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 14 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricity Usa...

AI summary The document presents data from 2019 electricity usage surveys for businesses in Nova Scotia, focusing on the adoption of LED bulbs and smart lightbulbs, with proportions shown as a percentage of total bulbs.

s (LED + non-LED)] Q15D_1. Number of Non-LED Bulbs Q15D_2. Number of LED Bulbs Q16D. [IF Q15D_LED 1 OR MORE] Of these LED light bulbs, how many are connected to the internet (i.e., smart lightbulbs)? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a set of survey questions and a table containing data on the proportion of LED and non-LED bulbs, as well as the proportion of LED bulbs connected to the internet, across different regions and business premises in Nova Scotia. The data includes metrics such as square footage, heating types, and employment sizes.

s (LED + non-LED)] Q15E_1. Number of Non-LED Bulbs Q15E_2. Number of LED Bulbs Q16E. [IF Q15E_LED 1 OR MORE] Of these LED light bulbs, how many are connected to the internet (i.e., smart lightbulbs)? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a series of questions and data tables related to the number of LED and non-LED bulbs, as well as the proportion of LED bulbs connected to the internet, across different regions and business premises in Nova Scotia.

59 33 7 19 37 18 14 19 16 12 20 14 19 40 19 15 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 15 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricity...

AI summary The text presents data from the 2019 Electricity Usage Surveys - Business, focusing on the number of non-LED and LED bulbs, including smart LED bulbs connected to the internet. The data is shown as a proportion of the total number of specific items.

s (LED + non-LED)] Q15F_1. Number of Non-LED Bulbs Q15F_2. Number of LED Bulbs Q16F. [IF Q15F_LED 1 OR MORE] Of these LED light bulbs, how many are connected to the internet (i.e., smart lightbulbs)? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The table provides data on the proportion of LED and internet-connected light bulbs in different regions and business premises in Nova Scotia. It includes details on the number of bulbs, square footage, heating types, and employment sizes. Responses with more than 1,000 bulbs were excluded from the table.

ponses shown as a proportion of the total number of specific items, and not of the number of respondents): Parking garage lights [Proportions are shown as a percentage of total bulbs (LED + non-LED)] Q15G_1. Number of Non-LED Bulbs Q15G_2....

AI summary The text presents data on the proportion of LED bulbs and internet-connected LED bulbs in various regions and business premises in Nova Scotia. It includes statistics on the number of bulbs, square footage, heating types, and employment sizes, with responses of more than 1,000 bulbs excluded from the table.

11 32 19 13 12 19 11 18 18 14 36 13 Responses of greater than 1,000 bulbs were excluded from this table. 16 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 16 of 51 Nova Scotia Energy Efficiency and Demand Response Potentia...

AI summary This section presents a table and narrative from a 2019 electricity usage survey focusing on the number of occupancy sensors in business buildings and facilities in Nova Scotia.

th: IT load optimization strategy (Server refresh and virtualization) (A way of reducing the number of physical computer servers by running multiple, independent operating systems on a single server)

AI summary The text discusses an IT load optimization strategy involving server refresh and virtualization, which aims to reduce the number of physical servers by running multiple operating systems on a single server.

25 8 14 29 0 0 43 0 33 14 25 MID 4 (4-7) 22 21 40 13 17 25 29 29 0 13 29 25 17 29 0 BOTTOM 4 (0-3) 63 50 60 88 58 67 57 43 100 88 29 75 50 57 75 MEAN 2.8 3.8 2.6 1.1 3.1 2.7 2.7 4.1 .0 1.3 5.0 2.0 3.8 3.3 2.3 This question was randomly pos...

AI summary The text includes a table with numerical data and a reference to a survey on electricity usage conducted in 2019. It also mentions a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045.

15 20 0 0 33 14 25 14 27 20 33 MID 4 (4-7) 26 29 0 25 30 20 17 25 22 29 38 14 27 25 33 BOTTOM 4 (0-3) 58 48 100 75 55 60 83 75 44 57 38 71 45 55 33 MEAN 3.0 3.8 1.0 1.4 3.2 2.8 1.0 2.3 4.3 3.1 4.4 2.4 3.7 3.3 5.0 This question was randomly...

AI summary This document presents data from a survey on electricity usage and familiarity with energy efficiency topics among business respondents in Nova Scotia, conducted in 2019. The data includes statistical breakdowns and is part of a larger study on energy efficiency and demand response potential for the period 2021-2045.

0 0 10 17 0 0 33 0 0 0 0 0 MID 4 (4-7) 22 33 0 13 33 10 17 17 33 0 33 60 11 45 40 BOTTOM 4 (0-3) 74 67 67 88 67 80 67 83 67 67 67 40 89 55 60 MEAN 1.9 2.3 3.3 .9 2.0 1.7 2.5 1.0 2.3 2.7 2.5 3.2 .6 2.8 2.8 This question was randomly posed t...

AI summary The text includes survey data and a table from a 2019 electricity usage survey for businesses in Nova Scotia. It references a study on energy efficiency and demand response potential for the years 2021-2045 and mentions a narrative research report filed on August 14, 2019.

20 25 22 20 17 17 29 40 25 25 50 MID 4 (4-7) 20 29 0 11 13 38 22 0 33 17 29 0 25 25 0 BOTTOM 4 (0-3) 60 57 0 78 67 38 56 80 50 67 43 60 50 50 50 MEAN 3.2 3.3 8.5 1.9 2.9 4.6 3.9 2.0 3.8 3.3 4.3 4.0 3.8 3.9 4.7 This question was randomly po...

AI summary The document presents data from electricity usage surveys conducted in 2019, focusing on business respondents' familiarity with energy efficiency and demand response topics. It includes statistical data and a narrative research section from a study on Nova Scotia's energy efficiency and demand response potential for the years 2021-2045.

8 TOP 3 (8-10) 8 17 0 0 20 0 25 0 25 0 8 20 17 8 13 MID 4 (4-7) 20 17 50 11 20 17 25 17 25 33 17 20 0 23 25 BOTTOM 4 (0-3) 72 67 50 89 60 83 50 83 50 67 75 60 83 69 63 MEAN 2.3 2.9 3.3 1.1 3.4 1.5 3.5 1.8 4.0 1.3 2.7 3.2 2.5 2.5 2.9 This q...

AI summary The document presents statistical data from a survey, including percentages and means across different categories, and references a study conducted by NAVIGANT on energy efficiency and demand response potential in Nova Scotia for the period 2021-2045.

re you with: Strategic energy management program (This involves processes that empower an organization to implement energy management actions and consistently achieve energy performance improvements)

AI summary The text discusses a strategic energy management program designed to empower organizations to implement energy management actions and achieve consistent energy performance improvements.

NAVIGANT 2019 Electricity Usage Surveys - Business TABLE 23A: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed and MAY result in...

AI summary The text discusses energy efficiency projects, focusing on their potential impact on business operations and cost-benefit analysis. It presents a hypothetical scenario where a project may cause inconvenience but has no effect on the quality of lighting, heating, and cooling. It also asks about the likelihood of pursuing a project with a $100,000 cost after rebates and annual savings of $5,000.

alling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[5,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a survey question regarding the pursuit of an energy efficiency project with a cost of $100,000 after rebates and annual savings of $5,000. It also includes a table with regional and business premises data, including heating types and employee counts.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 TABLE 23B: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed and MAY result in some...

AI summary The text presents a hypothetical scenario about an energy efficiency project with no impact on the quality of lighting, heating, and cooling but with potential inconvenience and cost implications. It asks whether the respondent would pursue a project costing $100,000 after rebates that saves $20,000 annually.

lling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[20,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text includes a survey question regarding energy efficiency project costs and savings, along with a table showing responses by region, business premises type, employment size, square footage, and heating type. The table indicates varying levels of interest in pursuing energy efficiency projects depending on these factors.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 25 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 25 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary The text discusses a survey question regarding the likelihood of pursuing an energy efficiency project with a $100,000 cost after rebates and annual savings of $35,000, highlighting potential inconvenience and lack of impact on quality of lighting, heating, and cooling.

lling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[35,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a question regarding the pursuit of an energy efficiency project with a cost of $100,000 after rebates and annual savings of $35,000. It also includes a table with regional and business premises data, including heating types and employee counts.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 TABLE 23D: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed and MAY result in some...

AI summary The text presents a hypothetical scenario regarding an energy efficiency project with no impact on the quality of lighting, heating, and cooling but may cause inconvenience. It asks whether the respondent would pursue a project costing $100,000 after rebates, saving $50,000 annually.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 26 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 26 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary The text discusses a survey question about business participation in energy efficiency projects, specifically asking if businesses would pursue a project with a $100,000 cost after rebates that saves $65,000 annually, and mentions an example item seen in Q20.

lling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[65,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text includes a question about pursuing an energy efficiency project with a specific cost and savings, followed by a table containing data on regional and business premises characteristics, including heating types and employee counts. The table appears to be part of a survey or data collection effort.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 TABLE 23F: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed and MAY result in some...

AI summary The text discusses a hypothetical energy efficiency project with no impact on the quality of lighting, heating, and cooling but may cause inconvenience. It asks whether a project costing $100,000 after rebates, saving $80,000 annually, would be pursued.

lling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[80,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents survey data on energy efficiency project adoption, showing that 58% of respondents would pursue a project costing $100,000 after rebates if it saves $80,000 annually. The data is segmented by region, business premises type, number of employees, square footage, and heating type.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 27 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 27 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary This text discusses a survey question about energy efficiency projects, asking if a business would pursue a project costing $100,000 after rebates that saves $95,000 annually, with no impact on lighting, heating, or cooling quality but some inconvenience.

lling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[95,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a question about pursuing an energy efficiency project with a $100,000 cost after rebates and annual savings of $95,000. It also includes a table with regional and business premises data, including heating types and employee counts.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 TABLE 23H: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed and MAY result in some...

AI summary The text presents a hypothetical scenario involving an energy efficiency project that may cause inconvenience but does not affect the quality of lighting, heating, and cooling. It asks whether the respondent would pursue the project if the cost after rebates is $100,000 and it saves $110,000 annually.

ling or implementing a(n) [ITEM SEEN IN Q20]. Would you generally pursue an energy efficiency project where the cost to you after utility rebates is $100,000 if the project saved $[110,000] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a survey question about energy efficiency project investment and includes a table with regional data on business premises, employment, square footage, and heating types. It highlights responses to the question of pursuing a $100,000 project with $110,000 annual savings.

162 99 19 44 97 63 47 44 38 43 57 32 53 96 41 28 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 28 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary The text discusses a survey on energy efficiency projects in businesses, focusing on willingness to pursue a project costing $100,000 after rebates if it saves $125,000 annually. It includes an example of an energy efficiency measure that may cause inconvenience but has no impact on the quality of lighting, heating, and cooling.

0 11 0 0 13 13 8 0 MID 4 (4-7) 38 33 67 33 36 50 67 20 44 67 63 13 38 33 33 BOTTOM 4 (0-3) 57 60 33 67 64 38 33 80 44 33 38 75 50 58 67 MEAN 3.1 3.3 4.0 1.7 2.5 4.6 4.0 1.6 4.0 4.0 4.1 2.4 3.3 3.5 3.0 This question was randomly posed to ap...

AI summary The text references a 2019 electricity usage survey conducted by NAVIGANT as part of a study on Nova Scotia's energy efficiency and demand response potential for 2021-2045. It mentions a table related to respondents' familiarity with certain topics, but no specific details or discussions about energy efficiency or demand response are provided in the excerpt.

0 11 0 0 13 13 8 0 MID 4 (4-7) 38 33 67 33 36 50 67 20 44 67 63 13 38 33 33 BOTTOM 4 (0-3) 57 60 33 67 64 38 33 80 44 33 38 75 50 58 67 MEAN 3.1 3.3 4.0 1.7 2.5 4.6 4.0 1.6 4.0 4.0 4.1 2.4 3.3 3.5 3.0 This question was randomly posed to ap...

AI summary The text presents a table from a survey on business electricity usage in 2019, focusing on respondents' familiarity with daylight dimming control. It is part of a study on energy efficiency and demand response potential in Nova Scotia for the period 2021-2045.

0 11 0 0 13 13 8 0 MID 4 (4-7) 38 33 67 33 36 50 67 20 44 67 63 13 38 33 33 BOTTOM 4 (0-3) 57 60 33 67 64 38 33 80 44 33 38 75 50 58 67 MEAN 3.1 3.3 4.0 1.7 2.5 4.6 4.0 1.6 4.0 4.0 4.1 2.4 3.3 3.5 3.0 This question was randomly posed to ap...

AI summary The text presents survey data from 2019 Electricity Usage Surveys - Business, including statistical values and a reference to a study on Nova Scotia Energy Efficiency and Demand Response Potential for 2021-2045. The data includes categories such as MID 4 and BOTTOM 4, along with mean values and a narrative research section.

0 0 13 0 0 11 0 0 13 13 8 0 MID 4 (4-7) 38 33 67 33 36 50 67 20 44 67 63 13 38 33 33 BOTTOM 4 (0-3) 57 60 33 67 64 38 33 80 44 33 38 75 50 58 67 MEAN 3.1 3.3 4.0 1.7 2.5 4.6 4.0 1.6 4.0 4.0 4.1 2.4 3.3 3.5 3.0 This question was randomly po...

AI summary The text presents survey data from the 2019 Electricity Usage Surveys - Business, part of the Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045. It includes numerical data and mentions a narrative research section by NAVIGANT.

NAVIGANT 2019 Electricity Usage Surveys - Business TABLE 22A: Suppose an energy efficiency project has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed. An example might...

AI summary The text discusses energy efficiency projects that do not affect the quality of lighting, heating, and cooling but reduce energy consumption. It asks whether a business would pursue a project costing $7,500 after rebates if it saves $500 annually.

or implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy efficiency project where the cost to your business after utility rebates is $7,500 if the project saved $[500] per year? REGION BUSINESS PREMISES FT EMPLOYEES SQ...

AI summary The text presents survey data on business willingness to pursue energy efficiency projects, with a focus on cost and savings. It also references a hypothetical energy efficiency project that does not affect the quality of lighting, heating, and cooling but changes energy consumption.

ject has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed. An example might be installing or implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy e...

AI summary The text discusses energy efficiency projects and their cost-benefit analysis for businesses, including a question about pursuing a project with a $7,500 cost after rebates and annual savings of $2,000. It also includes survey data on business premises, employees, square footage, and heating types across different regions in Nova Scotia.

164 97 20 47 98 63 48 43 39 41 55 35 52 98 42 39 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 39 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary The text discusses a survey on energy efficiency projects, focusing on business responses to hypothetical scenarios involving cost and savings. It includes a table reference and a question about the implementation of energy efficiency measures with no impact on quality but changes in energy consumption.

r implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy efficiency project where the cost to your business after utility rebates is $7,500 if the project saved $[3,500] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text discusses a survey on energy efficiency project adoption by businesses, with a focus on cost and savings. It includes a table showing responses from different regions and business characteristics, such as heating type and square footage.

ject has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed. An example might be installing or implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy e...

AI summary The text discusses energy efficiency projects, asking respondents if they would pursue a project costing $7,500 after rebates that saves $5,000 annually. It also includes a table with data on business premises, heating types, and responses to the energy efficiency question.

164 97 20 47 98 63 48 43 39 41 55 35 52 98 42 40 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 40 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary The text references a 2019 electricity usage survey for businesses, focusing on energy efficiency projects with no impact on lighting, heating, and cooling. It presents a hypothetical scenario asking if a business would pursue a project costing $7,500 after rebates, saving $6,500 annually.

r implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy efficiency project where the cost to your business after utility rebates is $7,500 if the project saved $[6,500] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a survey question regarding the likelihood of pursuing an energy efficiency project with a specific cost and annual savings, along with a table showing responses by region and business characteristics. It also references a hypothetical energy efficiency project with no impact on quality but changes energy consumption.

ject has NO impact on the QUALITY of lighting, heating, and cooling in your business, but changes the amount of energy consumed. An example might be installing or implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy e...

AI summary The text discusses energy efficiency projects and their cost-benefit analysis, asking businesses if they would pursue a project with a $7,500 cost after rebates that saves $8,000 annually. It also includes survey data on business premises, heating types, and employee numbers across different regions in Nova Scotia.

164 97 20 47 98 63 48 43 39 41 55 35 52 98 42 41 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 41 of 51 Nova Scotia Energy Efficiency and Demand Response Potential Study for 2021-2045 Appendix B-4 NAVIGANT 2019 Electricit...

AI summary The text discusses a 2019 electricity usage survey for businesses in Nova Scotia, focusing on energy efficiency projects and their cost-benefit analysis. It presents a hypothetical scenario where a business might consider an energy efficiency project with a cost of $7,500 and annual savings of $9,500.

r implementing a(n) [ITEM SEEN IN Q21]. Would you generally pursue an energy efficiency project where the cost to your business after utility rebates is $7,500 if the project saved $[9,500] per year? REGION BUSINESS PREMISES FT EMPLOYEES S...

AI summary The text presents a survey question regarding the likelihood of pursuing an energy efficiency project with a $7,500 cost after rebates and annual savings of $9,500. It also includes a table with demographic data on business premises in Nova Scotia, including employee count, square footage, and heating types.

12 16 5 12 23 0 0 50 12 13 13 square feet More than 25,000 square feet 14 17 12 5 15 9 5 7 33 0 0 50 12 14 8 SAMPLE SIZE (#) 148 92 17 39 86 58 44 43 39 45 63 40 49 93 40 43 Narrative Research NAV002-1000 Date Filed: August 14, 2019 Page 4...

AI summary The text presents data from the 2019 Electricity Usage Surveys - Business, focusing on who pays for electricity at business locations in Nova Scotia. It includes sample sizes and categories related to electricity payment responsibilities.

0 3 2 2 3 22M 1 0 0 3 0 0 0 0 3 0 0 0 2 0 0 23M 1 1 0 0 1 0 0 0 3 0 0 3 2 1 0 999 1 0 0 3 0 2 0 2 0 0 2 0 0 1 3 Don't know/Not sure 47 46 27 58 51 39 47 52 41 30 43 52 44 40 50 SAMPLE SIZE (#) 135 82 15 38 86 44 36 42 32 30 49 31 50 83 36...

AI summary The document presents data and a study on Nova Scotia's energy efficiency and demand response potential from 2021 to 2045. It includes statistical data and references a study conducted by Navigant, indicating a focus on energy efficiency and demand response programs.

5 0 0 0 15 0 0 13 5 6 0 Don't know/Not sure 73 68 100 77 73 71 35 86 77 22 81 81 73 70 83 SAMPLE SIZE (#) 64 38 4 22 44 17 17 22 13 9 21 16 22 33 18 MEAN $3,907.94 $2,540.42 . $7,190.00 $5,425.00 $267.00 $1,309.55 $1,566.67 $15,776.67 $1,7...

AI summary The document presents statistical data and a study on Nova Scotia's energy efficiency and demand response potential from 2021 to 2045, including sample sizes, mean values, and a narrative research report filed by Navigant on August 14, 2019.

2019 Electricity Usage Surveys - Business TABLE 30+31: What other types of heating, if any, do you currently have for your business’ Nova Scotia location where you work?

AI summary The document asks businesses in Nova Scotia about other types of heating systems they may have in their workplace locations, as part of a 2019 electricity usage survey.

KE/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   //͘ y hd/s ^hDDZz džĂŵŝŶĂƚŝŽŶƐĂŶĚĚĞƌŝǀĂƚŝŽŶƐŽĨĐŽŶĐĞƉƚƵĂůƉůĂŶƐĂŶĚƌĞůĂƚĞĚĐŽƐƚĞƐƚŝŵĂƚĞƐĨŽƌĚĞŵŽůŝƚŝŽŶƐĂƚϯϭŚLJĚƌŽ ŐĞŶĞƌĂƚŝŽŶƐŝƚĞƐŚĂǀĞďĞĞŶ...

AI summary The document discusses the importance of rate mechanisms, cost recovery, and the implications of fuel cost adjustments on utility operations in Nova Scotia. It outlines the challenges in managing energy efficiency programs, ensuring fair cost allocation, and addressing regulatory considerations in utility planning and operations.

ŝƚĞ͕ĂƐƉĞƌƐŝƚĞƐƉĞĐŝĨŝĐĐŽŶĐĞƉƚƵĂůŝnjĞĚĚĞĐŽŵŵŝƐƐŝŽŶŝŶŐƌĞƋƵŝƌĞŵĞŶƚƐ͘ dŚĞĐŽƐƚƐĚĞƚĂŝůĞĚŝŶƚŚŝƐƌĞƉŽƌƚĂƌĞƌĞƉƌĞƐĞŶƚĂƚŝǀĞŽĨĚĞŵŽůŝƚŝŽŶŽĨĂƐƐĞƚƐĚŝƌĞĐƚůLJĂƐƐŽĐŝĂƚĞĚǁŝƚŚĞdžŝƐƚŝŶŐ ƉŽǁĞƌŚŽƵƐĞƐ ĂŶĚ ĞdžŝƐƚŝŶŐ ŵĂĐŚŝŶĞƌLJ ĂŶĚ ŵĞĐŚĂŶŝĐĂů...

AI summary The document discusses the financial and operational challenges of managing energy resources, including cost recovery, regulatory processes, and the impact of various programs and policies. It highlights the need for effective accounting policies, cost deferral, and regulatory oversight to ensure equitable and efficient service delivery.

ĞĂĚĐŽƐƚƐĞdžƉĞĐƚĞĚƚŽďĞŝŶĐƵƌƌĞĚ ĚƵƌŝŶŐƚŚĞĚĞŵŽůŝƚŝŽŶƉƌŽĐĞƐƐ͘ZĞůĂƚĞĚĞŶŐŝŶĞĞƌŝŶŐĂŶĚƉůĂŶŶŝŶŐĐŽƐƚƐ͕ĂƐǁĞůůĂƐƐŝƚĞƐƵƉĞƌǀŝƐŝŽŶĚƵƌŝŶŐ ĚĞŵŽůŝƚŝŽŶ͕ĂƌĞĂůƐŽŝŶĐůƵĚĞĚŝŶĞĂĐŚƐŝƚĞĐŽƐƚĞƐƚŝŵĂƚĞ͘    ϰ     REDACTED (CONFIDENTIA...

AI summary The document discusses the impact of a fuel-cost-adjustment mechanism and its effect on incentives, as well as the evaluation of hydro assets and the implications of energy efficiency programs. It highlights concerns regarding the alignment of base rates with actual costs and the need for proper asset management.

   ϱ     REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED Hydro Asset Study Appendix C Page 12 of 143  EKs^Kd/WKt Z/E͘Ͳ,zZKWZKhd/KE ^/d  KDD/^^/KE/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dh...

AI summary The document discusses the historical context and evolution of the Nova Scotia Power Inc. (NSPI) hydro asset study, focusing on the analysis of energy generation and management from 1920 to 1980. It outlines the challenges faced in managing energy resources and the implications for future planning.

 Ϯ͘ ŽŶĐƌĞƚĞǁŝƚŚZĞďĂƌ;ǁŝƚŚŵĞƚĂůƉƌŽũĞĐƚŝŽŶƐͿ   ϯ͘ DŝdžĞĚůŽĂĚƐ       dŽƌďƌŽŽŬΘŝƐƉŽƐĂůĂŶĚZĞĐŽǀĞƌLJ ϭ͘ ŽŶƐƚƌƵĐƚŝŽŶĂŶĚƐŽƌƚĞĚĚĞŵŽůŝƚŝŽŶĚĞďƌŝƐ   x ƌŝĐŬ͕ďůŽĐŬ͕ĐŽŶĐƌĞƚĞ    x ƐƉŚĂůƚ     x ƐƉŚĂůƚƐŚŝ...

AI summary The text discusses the analysis of a hydro asset study, including the evaluation of asset management, cost considerations, and the implications of energy efficiency programs. It mentions the importance of addressing energy efficiency and affordability in the context of regulatory proceedings.

ŽƐĂů͘ x ZĞŵŽǀĞŽǀĞƌŚĞĂĚƌŝĚŐĞƌĂŶĞĂŶĚƐƚŽĐŬƉŝůĞĚƚƵƌďŽŐĞŶĞƌĂƚŽƌŵĂŝŶĐŽŵƉŽŶĞŶƚƐ͕ƐŽƌƚĂŶĚƐƚŽĐŬƉŝůĞĂƚ ƐŝƚĞĨŽƌƐĂůǀĂŐĞĂŶĚĚŝƐƉŽƐĂů͘ x ŝƐŵĂŶƚůĞĞdžƚĞƌŝŽƌǁĂůůƐĂŶĚƌĞůĂƚĞĚĐŽŵƉŽŶĞŶƚƐ͕ƐƚŽĐŬƉŝůĞĚĞŵŽůŝƚŝŽŶŵĂƚĞƌŝĂůĨŽƌĚŝƐƉŽƐĂů͘/...

AI summary The text discusses concerns related to regulatory processes, including fuel-cost-adjustment mechanisms, program evaluations, and the impact of policy decisions on energy efficiency and affordability. It also addresses the need for stakeholder engagement and the importance of ensuring equitable access to energy programs.

   Ϯϰ     REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED Hydro Asset Study Appendix C Page 31 of 143  EKs^Kd/WKt Z/E͘Ͳ,zZKWZKhd/KE ^/d  KDD/^^/KE/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^d...

AI summary This document discusses the evaluation of hydro asset studies, including considerations for asset management, infrastructure planning, and energy efficiency. It highlights the importance of managing hydro assets, ensuring proper infrastructure planning, and implementing energy efficiency measures. The study also touches on the challenges of maintaining and upgrading hydro facilities.

Ő ƚŚĞ ŽŶͲƐŝƚĞ ƐĞǁĂŐĞ ĚŝƐƉŽƐĂů ƐLJƐƚĞŵ͕ ƐĂŶŝƚĂƌLJ ƉƵŵƉƐ ĂŶĚ ƉŝƉŝŶŐ͕ ĂŶLJ ĨƌĞƐŚǁĂƚĞƌƉŝƉŝŶŐĂŶĚĞƋƵŝƉŵĞŶƚ͘ x ŝƐƉŽƐĂůŽĨĐŽŶƐƚƌƵĐƚŝŽŶĂŶĚĚĞŵŽůŝƚŝŽŶĚĞďƌŝƐʹƚƌƵĐŬƐĞůĞĐƚĞĚŵĂƚĞƌŝĂůƐƚŽĂĚĞƐŝŐŶĂƚĞĚĐŽŶƐƚƌƵĐƚŝŽŶ ĚĞďƌŝƐ ĚŝƐƉŽƐĂů...

AI summary The text discusses the challenges in managing fuel costs and the implications of delayed rate adjustments, highlighting the need for better alignment between base rates and actual costs. It also mentions the importance of asset management, infrastructure planning, and the impact of these factors on energy efficiency and customer affordability.

   Ϯϲ     REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED Hydro Asset Study Appendix C Page 33 of 143  EKs^Kd/WKt Z/E͘Ͳ,zZKWZKhd/KE ^/d  KDD/^^/KE/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^d...

AI summary The document discusses the evaluation of hydro asset studies, focusing on issues such as energy efficiency, infrastructure planning, and regulatory compliance. Key topics include the analysis of asset management, generation and grid resources, and the impact of various programs and customer initiatives on the energy sector.

   ϯϲ     REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED Hydro Asset Study Appendix C Page 43 of 143  EKs^Kd/WKt Z/E͘Ͳ,zZKWZKhd/KE ^/d  KDD/^^/KE/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^d...

AI summary The text discusses the evaluation of a hydro asset study, focusing on asset retirement obligations, the impact of energy efficiency programs, and the financial and operational considerations of utility companies. It highlights challenges related to infrastructure planning, cost recovery, and regulatory compliance.

ĨŽƵŶĚĂƚŝŽŶƐƵďƐƚƌƵĐƚƵƌĞƚŽĂĨĞǁĨĞĞƚďĞůŽǁŶĞǁĨŝŶŝƐŚĞĚŐƌĂĚĞ ĞůĞǀĂƚŝŽŶ͘^ƚŽĐŬƉŝůĞĚĞďƌŝƐĂƐǁŚĞƌĞĂƉƉƌŽƉƌŝĂƚĞĨŽƌĚŝƐƉŽƐĂů͘ x ŝƐƉŽƐĂů ŽĨ ĐŽŶƐƚƌƵĐƚŝŽŶ ĂŶĚ ĚĞŵŽůŝƚŝŽŶ ĚĞďƌŝƐ ʹ ƚƌĂŶƐƉŽƌƚ ƐĞůĞĐƚĞĚ ŵĂƚĞƌŝĂů ƚŽ Ă ĚĞƐŝŐŶĂƚĞĚ Ěŝ...

AI summary The text discusses issues related to fuel cost adjustments and their impact on rate structures, including the need for mechanisms that align base rates with actual costs, and the challenges posed by delays in rate adjustments. It also touches on the evaluation of asset studies and the implications of energy efficiency and demand-side management programs.

ůĂƚĞĚ ĐŽŵƉŽŶĞŶƚƐ͕ ƐƚŽĐŬƉŝůĞ ĚĞŵŽůŝƚŝŽŶ ŵĂƚĞƌŝĂů ĨŽƌ ĚŝƐƉŽƐĂů͘ x ZĞŵŽǀĞĂŶĚĚĞŵŽůŝƐŚŵĂŝŶĨůŽŽƌƌĞŝŶĨŽƌĐĞĚĐŽŶĐƌĞƚĞƐůĂďĂŶĚƌĞůĂƚĞĚƌĞŝŶĨŽƌĐĞĚĐŽŶĐƌĞƚĞƐƵďƐƚƌƵĐƚƵƌĞ͘ ^ƚŽĐŬƉŝůĞĚĞŵŽůŝƚŝŽŶŵĂƚĞƌŝĂůĨŽƌĚŝƐƉŽƐĂů͘dŚŝƐƉŽǁĞƌŚŽƵƐĞŽƵƚ...

AI summary The text discusses various aspects of utility regulation, including accounting policies, cost recovery, and the management of asset retirement obligations. It also touches on energy efficiency programs, stakeholder engagement, and regulatory processes such as prudence reviews and compliance with legislation.

d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   ϱ͘ &ĂůůZŝǀĞƌ,LJĚƌŽ ůĞĐƚƌŝĐ^LJƐƚĞŵ dŚĞ&ĂůůZŝǀĞƌĞǀĞůŽƉŵĞŶƚĐŽŶƐŝƐƚƐŽĨĂƐŝŶŐůĞŚLJĚƌŽͲĞůĞĐƚƌŝĐĚĞǀĞůŽƉŵĞŶƚĂŶĚƉŽǁĞƌŚŽƵƐĞ͘dŚŝƐƐƚĂŶĚͲ ĂůŽŶĞĚĞǀĞůŽƉŵĞŶƚĐŽŶ...

AI summary This section discusses the implementation of a program aimed at improving energy efficiency through the use of advanced metering infrastructure and other measures. It highlights the importance of ensuring that programs are designed to promote energy efficiency and reduce costs for customers.

Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   x ŝƐƉŽƐĂůŽĨĐŽŶƐƚƌƵĐƚŝŽŶĂŶĚĚĞŵŽůŝƚŝŽŶĚĞďƌŝƐʹƚƌƵĐŬƐĞůĞĐƚĞĚŵĂƚĞƌŝĂůƐƚŽĂĚĞƐŝŐŶĂƚĞĚĐŽŶƐƚƌƵĐƚŝŽŶ ĚĞďƌŝƐĚŝƐƉŽƐĂůĨĂĐŝůŝƚLJ͕ǁŚŝůĞƐƵŝƚĂďůĞŽƚŚĞƌŵĂƚĞƌŝĂůƐ͕...

AI summary The text discusses issues related to the management of energy resources, including the need for effective fuel-cost-adjustment mechanisms, the importance of accurate forecasting and planning, and the impact of regulatory processes on energy efficiency programs. It also touches on the challenges faced by utility companies in managing costs and ensuring reliable service.

ǁŝƚŚ ĐůĞĂŶ ŐƌĂǀĞů ĂŶĚ ĐƌƵƐŚĞĚ ƐƚŽŶĞ͕ ĂƐ ǁĞůů ĂƐ ĐůĞĂŶ Ĩŝůů ĂƐ ƌĞƋƵŝƌĞĚ͘'ƌĂĚĞƐƵƌĨĂĐĞƐ͕ŚLJĚƌŽͲƐĞĞĚĂŶĚͬƉůĂŶƚƚƌĞĞƐŽƌŽƚŚĞƌǀĞŐĞƚĂƚŝŽŶƚŽƌĞƚƵƌŶƚŚŝƐĂƌĞĂƚŽĂŶĞĂƌ ŶĂƚƵƌĂůƐƚĂƚĞ͘    ϲϵ     REDACTED (CONFIDENTIAL INFO...

AI summary The text discusses the evaluation of a hydro asset study, focusing on the analysis of costs, benefits, and implications of various energy-related initiatives, including potential impacts on affordability, efficiency, and resource planning. It also touches on regulatory considerations and stakeholder engagement.

d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   x 'ƌĂǀĞůǁŽŽĚƐƌŽĂĚƐŝŶƚŚĞĂƌĞĂƐŚŽƵůĚƌĞŵĂŝŶŝŶƉůĂĐĞƚŽĨĂĐŝůŝƚĂƚĞŐƌŽƵŶĚͲƐĞĂƌĐŚƌĞƐĐƵĞĂŶĚĨŝƌĞͲĨŝŐŚƚŝŶŐ ĂĐƚŝǀŝƚŝĞƐ͘ dŚĞďƵůŬŽĨĐŽƐƚƐĂƐƐŽĐŝĂƚĞĚǁŝƚŚƚŚĞ...

AI summary The document discusses the impact of regulatory decisions on utility operations, including the challenges posed by delayed rate adjustments and the need for effective management of energy resources and customer programs. It highlights issues related to financial mechanisms and their influence on operational strategies.

Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   x /ŶĨŝůů ĨŽƵŶĚĂƚŝŽŶ ƐƵďƐƚƌƵĐƚƵƌĞ ĞdžĐĂǀĂƚŝŽŶ ǁŝƚŚ ĐŽŵƉĂĐƚĞĚ ŐƌĂŶƵůĂƌ ŵĂƚĞƌŝĂů ĂŶĚ ƐĞůĞĐƚĞĚ ĚĞŵŽůŝƚŝŽŶ ĚĞďƌŝƐƚŽƚŚĞƚĂŝůƌĂĐĞĐŽĨĨĞƌĚĂŵ͘dŚĞĐŽĨĨĞƌĚĂŵĐĂŶ...

AI summary The text discusses various aspects of a regulatory proceeding, including issues related to fuel-cost-adjustment mechanisms, energy efficiency programs, and the impact of regulatory decisions on utility operations and customer affordability.

^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   ĚŝǀĞƌƐŝŽŶƉĂƐƚƚŚĞƉŽǁĞƌŚŽƵƐĞůŽĐĂƚŝŽŶƚŽĂǀŽŝĚƉŽƚĞŶƚŝĂůĞƌŽƐŝŽŶĂŶĚůŽĐĂůĨůŽŽĚŝŶŐƉƌŽďůĞŵƐ ĂƐƐŽĐŝĂƚĞĚǁŝƚŚŚĂǀŝŶŐƚŚĞƌŝǀĞƌĨůŽǁƚŚƌŽƵŐŚĂĨŝůůĞĚĂƌĞĂůŽĐĂƚĞ...

AI summary The document discusses the evaluation of a regulatory proceeding related to energy management, including considerations of fuel-cost-adjustment mechanisms, cost-recovery, and the impact of energy-efficiency programs on rate structures and customer affordability.

/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   x ĞůŝǀĞƌŽƌƐĞůůƐƚŽĐŬƉŝůĞĚƐĂůǀĂŐĞŵĂƚĞƌŝĂů͘ x /ŶĨŝůů ĨŽƵŶĚĂƚŝŽŶ ƐƵďƐƚƌƵĐƚƵƌĞ ĞdžĐĂǀĂƚŝŽŶ ǁŝƚŚ ĐŽŵƉĂĐƚĞĚ ĐůĞĂŶ ŐƌĂŶƵůĂƌ ŵĂƚĞƌŝĂů ƚŽ ƚŚĞ ƚĂŝůƌ...

AI summary The text discusses the challenges and considerations in managing energy resources, including the impact of fuel-cost-adjustment mechanisms, the need for efficient energy management, and the importance of regulatory oversight in ensuring fair and effective energy policies.

/E' ^d/Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   x /ŶĨŝůů ĨŽƵŶĚĂƚŝŽŶ ƐƵďƐƚƌƵĐƚƵƌĞ ĞdžĐĂǀĂƚŝŽŶ ǁŝƚŚ ĐŽŵƉĂĐƚĞĚ ĐůĞĂŶ ŐƌĂŶƵůĂƌ ŵĂƚĞƌŝĂů ƚŽ ƚŚĞ ƚĂŝůƌĂĐĞ ĐŽĨĨĞƌĚĂŵ͘dŚĞĐŽĨĨĞƌĚĂŵĐĂŶƌĞŵĂŝŶŽŶĐĞŐƌĂ...

AI summary The text discusses the importance of aligning base rates with actual costs to avoid perverse incentives, the need for accurate forecasting and planning in utility operations, and the implementation of programs to improve energy efficiency and affordability. It also outlines the challenges in managing resources and ensuring regulatory compliance.

ĂƐƌĞƋƵŝƌĞĚ͕ƐŽƌƚĂŶĚ ƐƚŽĐŬƉŝůĞĂƚƐŝƚĞĨŽƌƐĂůǀĂŐĞĂŶĚĚŝƐƉŽƐĂů͘ x ĞŵŽůŝƐŚĞdžƚĞƌŝŽƌǁĂůůƐĂŶĚƌĞůĂƚĞĚĐŽŵƉŽŶĞŶƚƐ͕ƐƚŽĐŬƉŝůĞĚĞŵŽůŝƚŝŽŶŵĂƚĞƌŝĂůĨŽƌĚŝƐƉŽƐĂů͘ x ZĞŵŽǀĞĂŶĚĚĞŵŽůŝƐŚŵĂŝŶĨůŽŽƌƌĞŝŶĨŽƌĐĞĚĐŽŶĐƌĞƚĞƐůĂď͘^ƚŽĐŬƉŝůĞĚĞŵŽ...

AI summary The text discusses various aspects of regulatory proceedings, including energy efficiency programs, cost recovery mechanisms, and the impact of fuel cost adjustments. It outlines concerns related to asset management, affordability, and stakeholder engagement in energy regulation.

Dd ^hDDZz&KZ^^ dZ d/Z D EdK>/'d/KE^;ZKͿ^dhz;LJ^LJƐƚĞŵͿ   x /ŶĨŝůůĨŽƵŶĚĂƚŝŽŶƐƵďƐƚƌƵĐƚƵƌĞĞdžĐĂǀĂƚŝŽŶǁŝƚŚĐŽŵƉĂĐƚĞĚĐůĞĂŶŐƌĂŶƵůĂƌŵĂƚĞƌŝĂůƚŽƚŚĞĞdžŝƐƚŝŶŐƚĂŝůƌĂĐĞ ĐŽĨĨĞƌĚĂŵƐƚƌƵĐƚƵƌĞ͘dŚĞĐŽĨĨĞƌĚĂŵĐĂŶƌĞŵĂŝŶŽŶĐĞŐƌĂ...

AI summary The document discusses issues related to the regulation of utility services, including the impact of fuel-cost-adjustment mechanisms, affordability concerns, and the need for improved billing procedures and energy efficiency programs. It also addresses the importance of stakeholder engagement and the regulatory oversight of utility operations.

ŚƚŚĞƌĞŝƐĂŵƉůĞůĂLJĚŽǁŶĂƌĞĂĂƚƚŚŝƐƐŝƚĞ͕ĚƵĞƚŽĞdžƉĞĐƚĞĚĐůŽƐĞƉƌŽdžŝŵŝƚLJŽĨďĞĚƌŽĐŬƚŽ ƚŚĞƐƵƌĨĂĐĞ͕ƚŚĞƌĞŵĂLJďĞůŝŵŝƚĞĚŽƉƉŽƌƚƵŶŝƚLJƚŽĚŝƐƉŽƐĞŽĨĚĞŵŽůŝƚŝŽŶŐĞŶĞƌĂƚĞĚŵĂƚĞƌŝĂůƐďLJ ďƵƌLJŝŶŐ͘ &ŽůůŽǁŝŶŐĚĞŵŽůŝƚŝŽŶƉůĂŶŶŝŶŐĐĂƚĞŐŽƌŝnjĂƚŝŽ...

AI summary The text discusses the evaluation of a fuel-cost-adjustment mechanism and various aspects of energy efficiency, including program design, stakeholder engagement, and regulatory considerations. It outlines key themes such as energy efficiency programs, regulatory processes, and affordability.

ůŝƚŝŽŶŵĂƚĞƌŝĂůĨŽƌĚŝƐƉŽƐĂů͘ x ZĞŵŽǀĞ ĞdžƉŽƐĞĚ ŝŶƚĞƌŝŽƌ ƐƚĞĞů ƉĂƌƚƐ͖ ŝŶĐůƵĚŝŶŐ ƐƚĞĞů ƉĞŶƐƚŽĐŬƐ ĂŶĚ ďƵƚƚĞƌĨůLJ ǀĂůǀĞƐ͕ ƚŚƌŽĂƚ ƌŝŶŐ͕ ƐƚĞĞů ĚƌĂĨƚͲƚƵďĞƉĂƌƚƐĂŶĚŽƚŚĞƌƌĞůĂƚĞĚŵŝƐĐĞůůĂŶĞŽƵƐŝƚĞŵƐ͘^ƚŽĐŬƉŝůĞĂŶĚƐŽƌƚĨŽƌƐĂůǀĂŐĞ...

AI summary The text discusses various aspects of energy regulation and management in Nova Scotia, including asset retirement obligations, program evaluations, and stakeholder engagement. It outlines the need for effective energy efficiency programs, cost recovery mechanisms, and regulatory oversight. Key topics include energy efficiency, stakeholder participation, and the importance of accurate forecasting.

DISCLAIMER This report is prepared for Nova Scotia Power Inc. (the “Client”) by J.B. Yates Engineering Limited (the “Consultant”) and is subject to the following limitations, qualifications and disclaimers: 1.) This report is prepared sole...

AI summary This disclaimer outlines the limitations and disclaimers of a report prepared by J.B. Yates Engineering Limited for Nova Scotia Power Inc. regarding the Annapolis Tidal Power Generation Station – Powerhouse Demolition Study. It emphasizes that the report is for the exclusive use of the Client and highlights the risks and uncertainties inherent in the project.

ecific treatment of modeling inputs, including supply-side and demand-side resources and transmission investment. Deliverables: Draft & Final Analysis Plan Develop Input Assumptions The Input Assumptions will provide base cases and, where...

AI summary The text outlines the development of input assumptions for modeling supply-side and demand-side resources, transmission investment, and financial factors. Key areas include load forecasts reconciled with energy efficiency, demand response, solar resources, and electrification impacts, alongside new supply-side options, environmental constraints, and financial assumptions.

latory Technical Lead, EfficiencyOne Date: December 6, 2019 Re: NS Power Integrated Resource Plan (IRP): EfficiencyOne Comments on NS Power’s Draft 2020 IRP Terms of Reference EfficiencyOne appreciates the opportunity to provide comments o...

AI summary EfficiencyOne provides comments on NS Power’s draft 2020 Integrated Resource Plan (IRP) Terms of Reference (ToR), supporting its alignment with climate change initiatives and decarbonization. EfficiencyOne recommends clarifying the planning horizon, the differences between the IRP Strategy, Roadmap, and Action Plan, and how modelling results will inform the IRP development process.

s ¬ E3 focuses on all segments of the electricity sector and their interconnectedness with the rest of the energy economy in order to provide holistic analysis and recommendations for our clients E3 has five defined DERs & Rates Clean Ener...

AI summary E3 provides holistic analysis and recommendations across the electricity sector, focusing on distributed energy resources, rate design, and clean energy technologies. They work through five working groups to foster innovation and cross-fertilization of best practices.

9 Attachment 4 - Pre-IRP Deliverables Page 10 of 34 High-Volume Renewable Targets ¬ Many states are pushing beyond existing RPS policies and goals into “high-volume” targets of 50%- 100% ¬ 100% clean electricity targets • California • New...

AI summary The text discusses high-volume renewable energy targets, such as 50%-100% clean electricity goals in states like California, New Mexico, and Washington, as well as the role of electrification in economy-wide decarbonization efforts. It notes that electricity demand is expected to grow despite energy efficiency measures.

of 487 25 Attachment 4 - Pre-IRP Deliverables Page 26 of 34 NSPI System Overview and Coming Challenges IRP Update Appendix 1 Page 58 of 487 Attachment 4 - Pre-IRP Deliverables Page 27 of 34 Overview of Nova Scotia System 500,000 customers...

AI summary This section provides an overview of Nova Scotia's energy system, including customer numbers, annual load, peak load, revenue requirement, retail rate, and generation mix. It highlights the growth in wind and gas generation, the decline in coal, and the resulting reduction in GHG emissions.

59 Attachment 5 - Pre-IRP Deliverables Page 61 of 89 ISO-NE Reliability Metric(s) and Standard Reserve Margin Accounting – Resource ▪ LOLE: Demand Curve ▪ Dispatchable resources counted at – 0.2 days/year installed nameplate capacity – 0.1...

AI summary The document discusses reliability metrics and reserve margin accounting practices, including LOLE thresholds, reserve margin percentages, and how different resources are counted. It references the Integrated Resource Plan (IRP) and mentions energy efficiency and behind-the-meter PV as factors in load modeling.

61 Attachment 5 - Pre-IRP Deliverables Page 63 of 89 CAISO Reliability Metric(s) and Standard Reserve Margin Accounting – Resource ▪ No explicit reliability standard ▪ Monthly Net Qualifying Capacity (NQC) to calculate total available capa...

AI summary The document outlines reliability metrics and reserve margin accounting practices for CAISO and AESO. CAISO uses the Resource Adequacy (RA) program with a 15% Planning Reserve Margin (PRM) and calculates renewable energy capacity using the SERVM model and RECAP. AESO has a reliability standard of 800 MWh/year Expected Unserved Energy (EUE) but does not specify reserve margin accounting for resources.

th nameplate capacity (Slide 21). Effective capacity changes on slide 23. Please explain. How does RECAP account for the need to “recharge” energy storage capacity and potential loss of availability? Based on changes to weather patterns in...

AI summary The text includes questions about the RECAP model's assumptions, ELCC calculations, PRM and LOLE targets in the IRP, and the potential impact of new federal clean fuel standards on IRP modelling. These questions focus on technical aspects of energy planning and regulatory considerations.

tions be considered for the IRP modelling, assuming there are impacts to NS Power? (although not enacted, NSP should consider the impact of the regulations as drafted to its overall IRP sensitivities) Why is demand response not considered...

AI summary The text raises questions about the Integrated Resource Plan (IRP) modelling, demand response viability, renewable integration, and assumptions in DR and EV programs. It also inquires about the consideration of curtailment and Remedial Action Schemes in the Renewable Stability Study and the assumptions used for DSM and program costs.

IRP Update Appendix 1 Page 177 of 487 Attachment 9 - Pre-IRP Deliverables Page 3 of 3 Please provide detailed assumptions with sources for NSP’s DR program analysis. It may be beneficial to walk-through these assumptions in the next pre-IR...

AI summary The document requests detailed assumptions and sources for NSP’s DR program analysis, including EV forecasts, opt-out assumptions, attrition, recurring costs, and peak shaving calculations. It also asks about the quantification of peak shaving potential and program costs related to behavior-based peak shifting.

epresenting E1, Draft questions for NSP re IRP prework by E3 and PSC Capacity Study What process did E3 undertake to determine whether temperature was a significant driver of renewable production? What information can E3 provide about the...

AI summary The text includes questions related to the Integrated Resource Plan (IRP) process, focusing on factors influencing renewable energy production, loss of load events, and cost considerations for wind energy. It also asks about modeling assumptions and data used in the Capacity Study and Supply Options Study.

IRP Update Appendix 1 Page 183 of 487 Attachment 12 - Pre-IRP Deliverables Page 4 of 4
  
 
"
 ( #"
(#
( 
# /
( 
&' )&"
"(&
'
( 
# #+ "
 ( #"
#!!"('4%)'( #"'0

• !"
'$#"'
)'(#!&
"...

AI summary The document discusses the Integrated Resource Plan (IRP) update and pre-IRP deliverables, including topics such as demand-side management, energy efficiency, and the planning reserve margin. It outlines the need for stakeholder engagement, regulatory compliance, and the evaluation of energy resources.

ERWKDSSURYHGE\WKH%RDUGDQGDOUHDG\H[SHQGHG±EHFRQVLGHUHGLQWKH,53SURFHVV±LHWKH\ VKRXOGEHWUHDWHGDVSRWHQWLDOO\DYRLGDEOH  (IILFLHQF\2QH(('56WXG\ LYHQ163,¶VHVWLPDWLRQWKDWLWIDFHVDQHDUWHUPFDSDFLW\GHILFLW...

AI summary The document discusses the need for Nova Scotia Power Inc. (NSPI) to evaluate the potential of energy efficiency (EE) and demand response (DR) programs in addressing short-term capacity deficits and deferring long-term investments in generation and transmission. It also recommends that NSPI explicitly evaluate and report on the potential of EE/DR to mitigate near-term capacity deficits and defer long-term investments.

tion The ELCC of a resource depends on the other resources on the system and underlying load profile which is illustrated through the concept of « Diminishing returns « Diversity impact The diminishing marginal peak load impact of solar PV...

AI summary The text discusses the concept of diminishing returns in the context of solar PV's impact on peak load, illustrating how additional solar resources have a progressively smaller effect on net peak load due to shifting load profiles. It also references the Planning Reserve Margin and Capacity Value Study and mentions the ELCC (Effective Load Carrying Capability) of a resource.

erables Page 44 of 85 Planning Reserve Margin and Capacity Value Study Figure 14: RECAP Sample Hydro Dispatch During Winter Week 2.2.4 DISPATCHABLE GENERATION AVAILABILITY AND TRANSMISSION RECAP creates a time series of available dispatcha...

AI summary The document discusses the use of the RECAP model to simulate dispatchable generation and transmission availability by incorporating forced outages and maintenance schedules. It illustrates the aggregation of generator availability over time, showing how different generators contribute to overall system capacity.

inertia. However, it was found that the time delays required for accurate frequency measurement would still make it necessary to have sufficient inertia online." NSPI extensively uses Remedial Action Schemes to manage transmission congesti...

AI summary The discussion addresses the impact of demand side management (DSM) and demand response (DR) on renewable integration, noting that they do not affect transient stability. It also asks about the implications of market-priced hydro from Muskrat Falls on balancing wind energy and the role of the market block in integrating additional renewable resources.

Party Question/Comment & Response 7.1 Bates White How will the results of the EE/DR potential study be incorporated in the IRP modeling? The EE/DR assumptions and scenarios, as well as plan for incorporating in the model, will be establish...

AI summary Bates White questions how the results of the EE/DR potential study will be incorporated into the IRP modeling, whether the study's scenarios align with those used in the IRP, and whether the study evaluated NSPI's existing EE/DR programs. NSPI responds that the EE/DR assumptions will be developed during the IRP process and that additional programs may be considered during the Assumptions Development phase.

ieve meaningful GHG reductions through moving directly from fossil fuel generation to clean energy sources while enabling Nova Scotia's coal-fired plants to operate at some capacity from 2030 to 2040. The load trajectories developed for th...

AI summary The text outlines Nova Scotia's strategy to reduce GHG emissions by transitioning to clean energy while allowing coal plants to operate until 2040. It details three electrification scenarios (High, Mid, Low) in the Integrated Resource Plan (IRP), each with distinct impacts on energy demand, coupled with energy efficiency assumptions from EfficiencyOne (E1).

Figure 6. Resource Options Resource Technology Low-Carbon Energy On-Demand Capacity & Grid Services Wind Turbines • • Solar PV Projects • • ₩ Hydro Plants • • Imports (Firm) • • Imports (Non-Firm) • • Battery Storage • • Demand Response •...

AI summary Figure 6 presents a table outlining various resource technologies and their contributions to low-carbon energy and on-demand capacity and grid services. Technologies such as wind turbines, solar PV projects, hydro plants, and demand response are highlighted as options for meeting energy needs.

electricity rates for customers. Nova Scotia economic resource plans it can support provincial decarbonization while Power proposes several Action Plan items from this IRP related to electrification: - a. Initiate an Electrification strate...

AI summary The document outlines an Electrification Strategy aimed at supporting provincial decarbonization while maintaining rate stability. It proposes initiatives such as data collection on electrification demand, AMI implementation, and a Thermal Plant Retirement Plan. These actions are part of the Integrated Resource Plan and are subject to NSUARB oversight.

2.2 Objectives of the IRP As a regulated utility with an obligation to serve customers, planning for the future is a responsibility and requirement for Nova Scotia Power. The IRP is a long-term planning exercise that establishes the direct...

AI summary Nova Scotia Power's Integrated Resource Plan (IRP) outlines long-term objectives focused on developing a robust, risk-weighted, lowest-cost electricity strategy that ensures safe, reliable, and affordable energy delivery while supporting provincial decarbonization. The IRP also includes an Action Plan and Roadmap for implementation and emphasizes collaborative, transparent planning processes with stakeholder engagement.

3.3.6 Economy-Wide Decarbonization As the Province's primary electricity provider, Nova Scotia Power recognizes that it must play a critical role in enabling the transition to a low-carbon economy, including decarbonizing its generation fl...

AI summary Nova Scotia Power, as the primary electricity provider, commissioned E3 to analyze strategies for long-term, province-wide GHG reductions, focusing on electricity, buildings, and transportation. The analysis highlights the need for synergistic action across sectors, the importance of low-carbon electricity, and the necessity of additional measures beyond electrification to achieve deep decarbonization.

4.1.1 Base Load Forecast The Base Load Forecast relies on demographic and economic indicators (e.g. population and economic growth), historical sales data, weather variables (e.g. cooling degree days and heating degree days), and other fac...

AI summary The Base Load Forecast considers demographic, economic, and weather factors to predict energy demand. Nova Scotia Power's largest customer, Port Hawkesbury Paper LP, transitioned to the ELIADC Tariff in 2020, which includes Active Demand Control to manage load and reduce costs. The NSUARB recognized the ELIADC Tariff's benefits in system flexibility and cost management.

4.1.3 Demand Side Management Demand Side Management (DSM) is an important component of the IRP modeling process, as the decision to pursue various potential levels of DSM has a significant impact on the future load required to be served by...

AI summary Demand Side Management (DSM) plays a key role in the Integrated Resource Plan (IRP) by influencing future energy load and costs. Nova Scotia Power worked with EfficiencyOne (E1) to develop DSM scenarios and ensure accurate modeling. The IRP will evaluate avoided costs of capacity and energy, as well as potential T&D savings, which are being updated separately.

4.6 Resource Strategies Nova Scotia Power developed three Resource Strategies for use in this IRP. These strategies are intended to capture different subsets of supply and demand-side resources, to allow for a comparison of strategic alter...

AI summary Nova Scotia Power developed three Resource Strategies (A, B, C) for its Integrated Resource Plan (IRP) to compare different supply and demand-side resource scenarios. Strategy A models current in-province resources, Strategy B focuses on increased DER adoption, and Strategy C explores regional integration for accessing out-of-province resources to meet GHG reduction and reliability goals.

Scenario Decarbonization Driver Load Driver Resource Strategy 1.0 Comparator Comparator GHG Trajectory Coal retires by 2040 Low Elec. Base DSM A. Current Landscape C. Regional Integration 2.0 Net-Zero 2050 Net-Zero 2050 Trajectory Low Elec...

AI summary The document outlines multiple modeling scenarios for decarbonization and electrification strategies in Nova Scotia, including Net-Zero 2050, accelerated Net-Zero 2045, and varying levels of electrification and demand-side management (DSM). Each scenario specifies the decarbonization driver, load driver, and resource strategy.

5.2.6 Gas and Import Prices Because new natural gas and import resources are both important new resource options to replace retiring coal capacity, Nova Scotia Power tested a high price sensitivity to determine the robustness of those reso...

AI summary Nova Scotia Power evaluated the impact of high gas and import prices on new resource options to replace retiring coal capacity, noting that gas and power prices in the Maritimes are closely linked and modeled together.

5.3.1 Developing Resource Portfolios Nova Scotia Power utilized the PLEXOS capacity expansion and production simulation modeling software in developing the optimal resource portfolios during the Portfolio Study phase of the IRP. PLEXOS is...

AI summary Nova Scotia Power used PLEXOS modeling software to develop optimal resource portfolios from 2021 to 2045, minimizing investment and operation costs while meeting GHG reduction targets and reliability constraints. The PLEXOS modules were used for capacity expansion, production cost modeling, and system operability checks.

e year over year. A simple (i.e. non-cumulative) average rate change is created by averaging rate changes over the analysis period. The analysis employs a number of simplifying assumptions including: - • Electrification and the associated...

AI summary This section discusses assumptions in assessing rate impacts, including uniform fixed cost recovery across customer classes, proportional load changes from electrification, and static initial fixed cost recovery. It highlights potential upward pressure on rates due to the retirement of fossil fuel plants and the benefits of electrification.

5.4 Evaluation of Resource Portfolios One of the main objectives of the IRP is to develop a robust, risk-weighted lowest-cost long-term electricity strategy that delivers energy in a safe and reliable manner. In addition, Nova Scotia Power...

AI summary Nova Scotia Power evaluates resource portfolios using metrics like 25-year NPVRR, resource adequacy, GHG emissions, and robustness to ensure affordability, reliability, and decarbonization. The Integrated Resource Plan (IRP) considers various scenarios, including the impact of DSM, DER penetration, and electrification on costs and rates.

6 MODELING RESULTS The assumptions, constraints, and scenarios developed through the initial stages of the IRP Process provide the inputs necessary to execute the Initial Portfolio Study, Reliability and Operability Analysis, and Final Por...

AI summary The modeling results from Nova Scotia Power's 2020 Integrated Resource Plan (IRP) highlight the common elements in low-cost resource plans, despite high uncertainty in the electricity planning environment. Scenario 2.0C is designated as the Reference Plan due to its lowest 25-year NPVRR, and other low-cost scenarios are discussed to highlight shared characteristics in resource selection and timing.

mpact is provided for each key scenario and sensitivity as part of the full set of IRP modeling results. Figure 52. Relative Rate Impact Comparison – Selected Scenarios These results indicate that the higher fixed system costs associated w...

AI summary The text discusses how increased electrification can distribute higher fixed system costs over more sales units, reducing average unit costs and potentially mitigating rate increases. It highlights the impact of advanced thermal plant retirement on depreciation and the potential for electrification to offset rate pressures. Additionally, it notes benefits such as reduced heating oil and gasoline costs and emissions reductions.

6.7 Operability For select scenarios, Nova Scotia Power used the PLEXOS MT/ST module between the Initial and Final Portfolio Studies in order to produce hourly production cost model outputs. These more granular simulations were reviewed to...

AI summary Nova Scotia Power used the PLEXOS MT/ST module to conduct hourly production cost model simulations for four scenarios during the Operability Assessment phase. The simulations confirmed that key model constraints were met, thermal unit operating parameters were respected, and minor refinements were made to import constraints for the Final Portfolio Study.

7.1 Key Findings The Key Findings are compiled from the modeling results and other observations developed throughout the IRP Process, including the outputs of the Pre-IRP Deliverables. They are intended to capture the major outputs of the...

AI summary The key findings highlight the need for significant efforts across all sectors to reduce carbon emissions in line with Nova Scotia's Sustainable Development Goals Act, emphasizing the critical role of the electricity sector in achieving these goals.

7.2 Action Plan As set out in the IRP Terms of Reference, The IRP Action Plan describes the key tasks to be undertaken in the next five years to implement the long-term electricity strategy. These Action Plan items are built on the items i...

AI summary The IRP Action Plan outlines steps for developing a regional integration strategy to enhance reliability and access to low-carbon energy, and proposes an electrification strategy to support decarbonization while maintaining rate stability. Key actions include developing a reliability tie and regional interconnection, conducting studies on firm import options, and initiating electrification programs with oversight from UARB.

........................................................................ 47 4 Conclusions .......................................................................................................49 4.1 Key Findings and Implications for NSPI...

AI summary The document outlines the conclusions and key findings of Nova Scotia Power Inc.'s (NSPI) Integrated Resource Plan (IRP) Final Report, including recommendations for further analysis. Appendices include mitigation scenario results, additional scenarios, and biofuels tables. The report is part of a regulatory proceeding involving the Nova Scotia Utility and Review Board (UARB).

ronmental Economics, Inc. (E3) to perform an independent analysis of strategies to achieve long-term, province-wide GHG reductions, with a focus on electricity, buildings, and transportation sectors. This study, commissioned prior to passa...

AI summary Energy and Environmental Economics, Inc. (E3) was commissioned to analyze strategies for achieving 80% GHG emission reductions below 2005 levels by 2050 in Nova Scotia, focusing on electricity, buildings, and transportation. The study highlights the need for additional abatement measures beyond existing policies, including Nova Scotia’s hard caps on electricity sector emissions, to meet deep decarbonization targets.

ns accounting tool; E3 has used PATHWAYS in 1 Greenhouse Gas Inventory from Environmental and Climate Change Canada: https://open.canada.ca/data/en/dataset/779c7bcf-4982-47eb-af1b- a33618a05e5b 4 P a g e © 2020 Energy and Environmental Eco...

AI summary E3 developed a customized PATHWAYS model for Nova Scotia's decarbonization, identifying four pillars: energy efficiency, electrification, low-carbon fuels, and low-carbon electricity. The model uses scenario-based analysis to address uncertainties in technology costs and availability, as detailed in the Nova Scotia Power IRP Final Report.

Nova Scotia Power IRP Final Report Appendix A Page 15 of 64 infrastructure and initiatives needed to achieve those targets, and developing a strategy to support those markets. 5. Building electrification is dependent on reducing costs and...

AI summary The report emphasizes the need for infrastructure and strategies to achieve decarbonization targets, highlighting building electrification's dependence on cost reductions and incentives. It notes the importance of cold climate heat pumps, their high upfront costs, and the need for government or NSPI support. Peak electricity demand impacts from electric heating and an alternative low-carbon biofuels scenario are also discussed.

led electricity sector modeling should be performed within the context of the IRP or in future NSPI study Figure 9. PATHWAYS Energy Modeling Framework Utilized for Nova Scotia Study 2.4 Scenarios The study considers one reference scenario,...

AI summary The document outlines the use of the PATHWAYS modeling framework in Nova Scotia's Integrated Resource Plan (IRP) study, emphasizing GHG reduction targets. The Reference Scenario aligns with the 2030 provincial target of 45-50% GHG reduction below 2005 levels, while mitigation scenarios aim for 80% reductions by 2050. The study incorporates current policy measures and energy efficiency initiatives.

scenario is based on current stock and sales of devices as represented by publicly available governmental data sources, and is not based on NS Power produced internal load forecasts. • High Electrification Scenario: This mitigation scenari...

AI summary The text outlines three electrification scenarios (High, Moderate, Building Electrification Only) with varying levels of energy efficiency, building, and transportation electrification, alongside biofuel use for emissions reduction. It references Nova Scotia's Greenhouse Gas Emissions Regulations, which impose a hard cap on electricity emissions.

Reference High Electrification Building Electrification Moderate Electrification Only 2050 GHG 3.5 MMT CO2e 2.0 MMT CO2e 1.5 MMT CO2e 1.65 MMT CO2e emissions budget for electricity generation Building energy None 54% of homes are assumed t...

AI summary The text presents four electrification scenarios (High, Building, Moderate, Only) with varying GHG emission reductions (1.5–3.5 MMT CO2e by 2050), building efficiency measures, heat pump adoption rates, and zero-emission vehicle (ZEV) targets. Each scenario outlines differing levels of residential and commercial electrification, weatherization, and ZEV penetration.

Sector Subsector Modeling Approach Energy Use in Percent of 2016 2016 [TBtu] Building Energy Use [%] Residential Central Air Conditioning Stock Rollover 0.09 0% Room Air Conditioning Stock Rollover 0.09 0% Building Shell+ Stock Rollover -...

AI summary The table categorizes residential energy use by subsector (e.g., heating, lighting, appliances) under a 'Stock Rollover' modeling approach, showing energy use in TBtu and percentages of total building energy use. Notable entries include space heating (28.20 TBtu) and appliances like clothes drying (0.83 TBtu).

Total Energy by Fuel 1.88 3% All Buildings Subsectors 62.59 100% +Building Shell is modeled to represent potential deep home retrofits and other measures which significantly reduce space conditioning demands. By itself a Building Shell sto...

AI summary The text discusses Nova Scotia Power's Integrated Resource Plan (IRP) reference scenario, modeling energy efficiency measures like 'Building Shell' retrofits reducing space heating demand by 20%. It categorizes energy uses (Residential/Commercial 'Other') and notes E3's role in modeling efficiency scenarios.

© 2020 Energy and Environmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 28 of 64 2.5.3.2 Reference Scenario The primary measure represented in buildings for the Reference Scenario is the achievement of electric e...

AI summary The Reference Scenario in the Integrated Resource Plan (IRP) emphasizes building energy efficiency through device efficiency improvements and electrification. The PATHWAYS model assumes increased adoption of high-efficiency appliances, lighting, and heat pumps, with 20% of space heater sales being heat pumps by 2020. Efficiency gains from new equipment replacing outdated stock are modeled using NEMS forecasts.

Nova Scotia Power IRP Final Report Appendix A Page 29 of 64 Figure 11. Stock Rollover from the Reference Case: Residential Space Heating Since the model is based on a bottom-up forecast of technology stock rollover in the residential and c...

AI summary The document discusses Nova Scotia Power's Integrated Resource Plan (IRP) modeling approach, which uses a bottom-up forecast of technology stock rollover in residential and commercial sectors. It highlights mitigation scenarios focusing on building retrofits for energy efficiency and electrification, noting dependencies on incentives, technology trends, and fuel costs.

ing retrofits for high efficiency building shells: Deep home retrofits of existing buildings are performed when space conditioning appliances are replaced, in addition to mandating ultra-efficient building shells for new homes and commerci...

AI summary The text outlines three building mitigation measures: high-efficiency retrofits, EnergyStar appliance adoption, and electrification via heat pumps. These measures aim to reduce energy demand and GHG emissions by 20% through efficient building shells and 100% electric heat pump adoption by 2030.

lover 0.73 1% All Transportation Subsectors 74.48 100% 2.5.4.2 Reference Scenario The main driver of energy reductions in the Reference scenario are continued federal Light Duty Vehicle (LDV) Corporate Average Fuel Economy (CAFE) Standards...

AI summary The Reference Scenario analysis highlights federal LDV CAFE Standards as key drivers for energy reductions, with Canada continuing improvements through 2026. Electric passenger vehicles and CNG trucks are modeled, though freight truck energy demands remain significant. E3's analysis underpins Nova Scotia Power's IRP Final Report.

io (provided in the Appendix) includes some electrification of the Transportation Other subsector. That means 60% of all other transportation fuels which are uncategorized or unknown are electrified. Figure 16. Stock Rollover from the Mode...

AI summary The document discusses electrification scenarios in the transportation sector, showing that 60% of uncategorized or unknown transportation fuels are electrified. It also outlines E3's assessment of decarbonization in the electricity sector, including the need for further study on the cost, reliability, and potential of deep decarbonization under load growth scenarios.

34 P a g e © 2020 Energy and Environmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 40 of 64 feedstock categories to be more representative of Canadian resources, such as by replacing corn with colder climate grai...

AI summary The document discusses the feasibility of using Canadian biomass feedstocks for biofuel production in Nova Scotia, noting that while technically possible, relying solely on domestic biomass may not align with global decarbonization goals. Alternative strategies, such as efficiency and electrification, are considered for deeper emissions reductions.

and Clean Electricity measures are interdependent and were not modeled separately in this analysis. Thus, allocations to these two categories are preliminary approximations. 3.2 Final Energy Demand Final energy demand includes demand for e...

AI summary The text discusses the relationship between Clean Electricity and energy efficiency measures, highlighting that electrification, such as through heat pumps and electric vehicles, significantly reduces final energy demand. In the High Electrification scenario, final energy demand is about 20% lower than in other scenarios due to efficiency gains from electrification and building improvements.

om high levels of electrification. Building and transportation electrification, together with building shell improvements, reduce final energy demand by ~60 TBtu, ~40% below the Reference scenario. 41 P a g e © 2020 Energy and Environmenta...

AI summary The text discusses the impact of electrification and energy efficiency on final energy demand in Nova Scotia, showing a reduction of ~60 TBtu (~40%) below the Reference scenario. It also outlines how the PATHWAYS model generates electric load based on electrification levels and energy efficiency measures.

tricity sector based on our estimates of feasible emissions intensities for a deeply decarbonized system, the emissions reductions in the other sectors, and the economy-wide emissions reduction goal. This study’s results show that the High...

AI summary The study evaluates different electrification scenarios and their impact on electricity demand, showing that high electrification leads to significant load growth, while moderate electrification and building electrification only scenarios result in more balanced demand due to efficiency improvements.

44 P a g e © 2020 Energy and Environmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 50 of 64 Table 8. Electricity Sector Demand and Emissions 2005 2016 Reference Building Moderate High (2050) Electrification Elect...

AI summary The table presents electricity sector demand and emissions for Nova Scotia from 2005 to 2050 under different scenarios, showing reductions in both demand and emissions intensity. The data highlights the impact of electrification and other factors on future energy use and greenhouse gas emissions.

0.165 0.163 (MMT/TWh) Percent Reduction n/a 37% 63% 84% 83% 83% relative to 2005 intensity (%) 3.3.2 PEAK IMPACTS Nova Scotia is a winter peaking electricity system, driven by electric resistance space heating. E3’s modeling indicates that...

AI summary Nova Scotia's winter peaking electricity system may face increased peak demand due to the adoption of heat pumps, as they may revert to electric resistance mode during very cold conditions. E3's analysis estimates peak impacts ranging from 304 MW to 1080 MW under high electrification scenarios and 155 MW to 552 MW under moderate scenarios.

IRP Final Report Appendix A Page 51 of 64 efficiency of the heat pump technology (Figure 24). The Moderate Electrification case could generate a smaller peak impact of between 155 MW and 552 MW. This analysis shows the impact of heat pump...

AI summary The analysis explores the impact of heat pump electrification on peak electricity loads in Nova Scotia, estimating a potential increase of 155 MW to 552 MW. It highlights the need for further investigation into peaking capacity requirements and reliability impacts, while suggesting mitigation strategies such as ground source heat pumps and hybrid systems with existing thermal backup sources.

s, Inc. Nova Scotia Power IRP Final Report Appendix A Page 52 of 64 Figure 24. Estimated Space Heating Incremental Peak in 2050 (MW) Note: These ranges estimate the impact of electrifying fossil furnaces with air source heat pumps. The ran...

AI summary The document discusses the impact of electrifying space heating with air source heat pumps, estimating incremental peak demand in 2050. It also outlines biofuel demand under different electrification scenarios, highlighting its role in hard-to-electrify sectors to meet GHG reduction goals.

48 P a g e © 2020 Energy and Environmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 54 of 64 4 Conclusions This climate pathways analysis illustrates that achieving deep decarbonization will require tremendous shi...

AI summary This section outlines key findings from the climate pathways analysis, emphasizing the need for synergistic action across sectors and the importance of low-carbon electricity in achieving deep decarbonization in Nova Scotia by 2050. The report highlights the necessity of accelerating initial transformation efforts and the role of NSPI in supporting the transition.

ortation. Over the last decade, the electricity sector in Nova Scotia has reduced emissions by more than 30% relative to 2005 levels, thanks to a transition to cleaner and renewable energy 49 P a g e © 2020 Energy and Environmental Economi...

AI summary Over the last decade, Nova Scotia's electricity sector has reduced emissions by over 30% since 2005 through the transition to cleaner and renewable energy sources. Continued integration of low-carbon resources like wind and hydro is needed to maintain this progress while ensuring reliability and affordability.

transition would enable NSPI to meet energy demand from existing electric load as well as new load growth from space and water heating and transportation, without emitting more carbon. 3. Low-carbon electricity alone is not enough to achie...

AI summary The transition to low-carbon electricity can meet current and future energy demand without increasing carbon emissions. However, achieving 80% economy-wide emissions reductions requires additional measures beyond electrification, including low-carbon fuels like advanced biofuels and hydrogen. Nova Scotia should monitor these technologies and assess their potential deployment.

ption. NSPI could start by defining adoption targets, determining the infrastructure and initiatives needed to achieve those targets, and developing a strategy to support those markets. 5. Building electrification is dependent on reducing...

AI summary The text discusses the need for Nova Scotia Power Inc. (NSPI) to define electrification adoption targets, reduce costs, and enhance incentives to support widespread use of cold climate heat pumps. It highlights the importance of evaluating peak electricity demand impacts and considers alternative strategies like low-carbon biofuels for building decarbonization.

, which were not investigated in detail in this study. The Appendix also contains a scenario in which E3 modeled low-carbon biofuels as an alternative building decarbonization strategy. 6. Getting to “net zero” will be an even greater chal...

AI summary The text discusses the challenges of achieving net zero emissions, emphasizing the need for direct reductions, carbon removal technologies, and carbon offsets. It highlights the potential role of negative emissions technologies like direct air capture and carbon capture and sequestration, especially in hard-to-decarbonize sectors such as industry.

el costs. E3 will undertake a more detailed review of costs in Phase 2 of this analysis.  Electricity Sector Modeling: This study did not perform detailed dispatch or capacity expansion modeling. Efforts to more completely characterize po...

AI summary The analysis highlights the need for more detailed electricity sector modeling, including dispatch and capacity expansion, to assess impacts on peak load and grid reliability. It also emphasizes the importance of evaluating consumer adoption of low-carbon technologies and the technical feasibility of integrating these technologies into the grid.

cient, lower emitting technologies, such as cold climate heat pumps and electric vehicles.  Technical Feasibility: This study includes scenarios that rely significantly on adoption of cold climate heat pumps. Research to understand heat p...

AI summary The document discusses the feasibility of adopting cold climate heat pumps in Nova Scotia as part of mitigation scenarios, highlighting the need for research on their performance and costs in cold temperatures.

ronmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 59 of 64 5 Appendix 5.1 Mitigation Scenario Results Table 9. 2050 Results for Reference and Mitigation Scenarios Building Moderate High Category Reference Electri...

AI summary The document presents mitigation scenario results from the Integrated Resource Plan (IRP) final report by Nova Scotia Power. It compares emissions and energy demand across different electrification scenarios, highlighting reductions in electric sector and non-electric emissions, as well as changes in energy demand and biofuels usage by 2050.

34 34 13 Biofuels Share of Final Energy Demand (%) 1% 35% 34% 16% 5.2 Additional Scenarios Table 10. 2050 Results for Reference Scenario and Additional Scenarios Category Reference Very High Electrification High Biofuels Electric Sector Em...

AI summary The text presents data on biofuels' share of final energy demand and emissions scenarios for 2050, comparing the reference scenario with high electrification and high biofuels scenarios. It highlights the impact of different energy strategies on total emissions and energy demand.

Table 11. Key Assumptions for Reference Scenario and Additional Scenarios Reference Very High Electrification High Biofuels GHG emissions 3.5 MMT CO2e 2.0 MMT CO2e 1.0 MMT CO2e budget for electricity generation Building energy None 50% of...

AI summary The table outlines key assumptions for three scenarios: Reference, Very High Electrification, and High Biofuels, detailing GHG emissions, building energy efficiency, sales of electric heat pump equipment, and zero-emission vehicle targets across different sectors and timeframes.

electric hybrid sales by 2050 HDVs: 10% compressed Buses: 95% EV sales by 2040 natural gas sales and 0.5% EV sales by 2050 Buses: 5% EV sales by 2030 Other transportation None 60% of total energy is electrified by None 2050 including rail,...

AI summary The text outlines transportation and industry electrification targets, including EV sales projections for buses and HDVs, as well as biofuel strategies using agricultural and forestry residues. It also references the Nova Scotia Power Integrated Resource Plan (IRP) and Energy and Environmental Economics, Inc.

Feedstock Type (Disaggregated) Feedstock Category Conversion Process Efficiency Process Costs (GJ/dry ton) (2012$/dry ton) Paper and paperboard Other MSW gasification 15.824 91.34 (Cellulose) Pine Purpose-Grown gasification 15.021 86.29 Tr...

AI summary The text presents a table detailing various feedstock types, their categories, conversion processes, efficiencies, and process costs. The data includes information on paper, plastics, agricultural residues, and forest residues, all processed through gasification with varying efficiencies and costs per dry ton.

Table 13. 2050 Conversion Inputs for Liquid Biofuels Feedstock Type (Aggregated) Fuel Conversion Process Efficiency Process Costs (GJ/dry ton) (2012$/dry ton) Cellulose renewable gasoline hydrolysis 10.101 175.74 Cellulose renewable gasoli...

AI summary Table 13 outlines the 2050 conversion inputs for liquid biofuels, detailing feedstock types, fuel types, conversion processes, efficiencies, and process costs. The table includes various feedstocks such as cellulose and wood, and conversion processes like hydrolysis, pyrolysis, and biomass to liquids.

59 Nova Scotia Power IRP Final Report Appendix B Page 61 of 112 ENERGY EFFICIENCY (EE) Data Provided by E1 in 2019 Potential Study 2020 IRP FINAL ASSUMPTIONS SET 60 Nova Scotia Power IRP Final Report Appendix B Page 62 of 112 DSM PEAK REDU...

AI summary The document discusses Nova Scotia Power's 2020 Integrated Resource Plan (IRP) assumptions, focusing on demand response (DR) programs and energy efficiency (EE) data provided by E1 in the 2019 Potential Study. DR programs are modeled as a resource option for the 25-year period from 2021 to 2045.

( S & P G LO BA L P L AT TS A NA LY T I C S) H E NRY HUB Case Likelihood Highlights (S&P Global) Base Case 50% • US Demand growth expected to slow post 2020 (Expected) • Gas consumption in the power sector has become saturated • More locat...

AI summary The text outlines three scenarios (Base, High, and Low) for US gas demand and production between 2018 and 2030. The Base Case predicts slower demand growth and saturated power sector consumption. The High Case suggests regulatory and environmental challenges may hinder production, while the Low Case anticipates higher gas production and faster growth in non-fossil fuel generation.

2020 IRP FINAL ASSUMPTIONS SET 92 Nova Scotia Power IRP Final Report Appendix B Page 94 of 112 DUAL FUEL CAPABILITY Given the known challenges associated with securing a cost-effective firm natural gas supply source, the economics and perm...

AI summary The document discusses the dual fuel capability of combined-cycle plants and peakers, which can use ULSD, kerosene, or distillate oil. While this provides flexibility and reliability, it also has challenges like increased emissions and a 7% cost adder. The use of oil is considered a backup when natural gas supply is constrained.

o oil or vice versa poses operational challenges and can jeopardize unit availability. • There are increased emissions associated with burning oil in lieu of natural gas for fuel assurance. • Oil refill during the peak heating season has p...

AI summary The text outlines challenges associated with dual fuel capability, including increased emissions, compliance costs, and permitting issues. It also mentions the development of a natural gas storage facility by AltaGas in Nova Scotia and the potential for NS Power to contract for storage capacity if new gas units are included in the IRP recommendation.

folio Study phase is illustrated in Figure 3. Figure 3 - IRP Portfolio Study Modeling Approach KEY POLICY DRIVERS NS Power is proposing three key policy drivers to form the basis of scenarios: 1. Provincial clean energy policy (e.g. Sustai...

AI summary NS Power proposes three key policy drivers for the Integrated Resource Plan, including provincial clean energy policy focusing on greenhouse gas emissions and load changes due to electrification, as well as federal clean energy policy related to coal unit end dates. Three GHG scenarios are outlined to reflect potential outcomes of provincial carbon policy.

Nova Scotia Power IRP Final Report Appendix C Page 6 of 12 2020 Integrated Resource Plan Scenarios & Modeling Plan March 11, 2020 1.2 Load Changes This driver represents the impact provincial greenhouse gas reduction and/or “net zero” poli...

AI summary The 2020 Integrated Resource Plan (IRP) discusses load changes driven by provincial greenhouse gas reduction policies, such as the Sustainable Development Goals Act (SDGA), and evaluates three load scenarios: business as usual, moderate electrification, and high electrification. These scenarios consider the impact of electrification on the electricity sector based on E3's Pathways assessment.

Moderate Electrification 2040 Accelerated Net Zero 2045 Business as Usual 2040 Table 3 - Potential Candidate Scenarios Qualitative screening was used to identify six key scenarios of interest (highlighted in Table 4 in green) and to elimin...

AI summary The document outlines potential candidate scenarios for electrification and decarbonization, including 'Moderate Electrification 2040' and 'Accelerated Net Zero 2045', and references the 2020 Integrated Resource Plan (IRP) and E3’s Pathways Report. Higher load levels are associated with larger carbon budgets, reflecting broader economic decarbonization.

Features Load Coal Resource Strategies Key Sensitivities Drivers Retires Tested 1.0 Equivalency GHG Low Elec. 2040 A - Current Landscape Base DSM Comparator 2.0 GHG targets Low Elec. 2040 A - Current Landscape • DSM Levels decline linearly...

AI summary The document outlines various scenarios for achieving GHG reduction targets under different electrification levels (low, mid, high) by 2040 and 2050. It discusses the role of demand-side management (DSM) and the impact of regional integration on GHG targets, highlighting sensitivity factors such as DSM levels and the absence of new emitting resources.

C - Regional Integration • No New Emitting Net Zero 2050 from 2030 to 0.5Mt High Electrification in 2050 3.1 GHG targets Mid Elec. 2030 B - Distributed Resources • DSM Levels decline from 2025 Base DSM C - Regional Integration • No New Emi...

AI summary The document outlines key scenarios for the 2020 Integrated Resource Plan, focusing on GHG reduction targets and electrification levels. It mentions the use of modeling tools like Plexos LT and E3’s RESOLVE model for scenario analysis and sensitivity evaluations.

Consistent with the scenario screening discussed above, additional scenarios may be tested using E3’s RESOLVE model to assess if they should be included as a key modeling run. SENSITIVITY ANALYSES Following completion of the portfolio stud...

AI summary NS Power will conduct sensitivity analyses using E3’s RESOLVE model to test various scenarios, including changes in renewable energy standards, fuel prices, and resource availability, as part of the Integrated Resource Plan (IRP) modeling process. These analyses will help prioritize sensitivities and assess their impact on resource portfolios.

criteria against which potential plans and resource portfolios will evaluated under each scenario, as shown in Table 6 below: Metric Description Minimization of the cumulative present value of 25 year NPV Revenue Requirement the annual rev...

AI summary The document outlines criteria for evaluating potential plans and resource portfolios under different scenarios, including minimizing revenue requirements, reliability requirements, grid services, plan robustness, emissions reduction, and flexibility. These metrics are detailed in Table 6.

tion of constraints on future Qualitative assessment of timing of decisions arising from the selection of a particular investments path) Table 6 - Resource Plan Evaluation Criteria While the primary metric of plan value will continue to be...

AI summary The 2020 Integrated Resource Plan (IRP) outlines policy drivers such as provincial clean energy goals, greenhouse gas emissions reduction, and federal coal unit closure timelines. These drivers form the basis for various scenarios, including Net Zero 2050 and Accelerated Net Zero 2045, with different levels of electrification and coal closure dates.

2045 / High Electrification / 2030 Coal Closure The potential resource strategies, to be paired with scenarios to influence the constraints around portfolios, also emerged from scenario discussions: A - Current Landscape B - Distributed Re...

AI summary The document outlines various scenarios and resource strategies for achieving different greenhouse gas (GHG) reduction targets by 2030 and 2050, including current landscape, distributed resources promotion, and regional integration. These strategies are paired with electrification levels and demand-side management (DSM) approaches to form preliminary portfolio combinations for modeling.

Distributed Resources 3.2C Accelerated Net Zero 2045 High Electrification / Max DSM Regional Integration Table 7 – Preliminary Scenario and Resource Strategy Combinations Additionally, several potential sensitivities to be tested on key po...

AI summary The text discusses the impact of electrification, demand-side management (DSM), and distributed energy resources (DER) on customer rates through a model analyzing changes in cost and load. It suggests that higher electrification could lower unit costs to serve customers by increasing revenue from additional sales, despite higher load.

- - - - - - - - - - - - - - - - - - - - Net Revenue Requirement ($M) 1,658 1,789 1,858 1,842 1,849 1,861 1,874 1,891 1,900 1,932 1,953 1,941 1,942 1,978 2,011 2,053 2,073 2,125 2,176 2,205 2,310 2,372 2,372 2,412 2,441 2,479 Load (GWh) 11,...

AI summary The document presents financial and operational data, including net revenue requirements, load, and sales over a period of years. It includes figures for losses and sales, indicating trends in energy consumption and revenue generation.

- - - - - - - - - - - - - - - - - - - - Net Revenue Requirement ($M) 1,658 1,664 1,721 1,706 1,700 1,705 1,699 1,702 1,707 1,734 1,746 1,714 1,702 1,736 1,763 1,772 1,768 1,815 1,834 1,873 1,948 1,988 1,991 2,019 2,022 2,030 Load (GWh) 11,...

AI summary The text presents financial and operational data for a utility company, including net revenue requirements, load, losses, and sales over time, indicating trends in energy demand and financial performance.

ios 2.2A and 2.2C (indicated Base DSM, corrected to Max DSM) • Updated rate model metric title for clarity and consistency with IRP Final Report (replaced “partial rate” with “relative rate”) I R P U P D AT E D M O D E L I N G R E S U LT S...

AI summary The document discusses updates to the Integrated Resource Plan (IRP) modeling results, including changes to DSM metrics, revised rate model titles, and the presentation of final portfolio study results from PLEXOS simulations. It highlights scenario results, energy mix, capacity installation, emissions compliance, and partial NPV of revenue requirements.

ffects ($MM) $16,431 Essential Grid Services • Essential Grid Service requirements are met as modeled 10-yr NPVRR ($MM) $6,805 Resource Adequacy & PRM • Reliability Tie: 2035 • Regional Integration: n/a Average Annual Relative Rate Impact...

AI summary The document outlines key metrics from Nova Scotia Power's Integrated Resource Plan (IRP), including financial effects, CO2 emissions, and scenario evaluations. It highlights the Essential Grid Services, Resource Adequacy, and Plan Robustness, while noting non-compliance with the Sustainable Development Goals Act and increased exposure to natural gas prices.

16 Nova Scotia Power IRP Final Report Appendix E Page 18 of 72 2.1B MID ELEC. / BASE DSM / NET ZERO 2050 / DISTRIBUTED RESOURCES 17 Nova Scotia Power IRP Final Report Appendix E Page 19 of 72 2.1B MID ELEC. / BASE DSM / NET ZERO 2050 / DIS...

AI summary The document presents scenario metrics and evaluation from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report. It includes 25-yr and 10-yr Net Present Value of Resource Recovery (NPVRR) figures, CO2 emissions projections, and notes on DER modeling, grid reliability, and emissions constraints.

21 of 72 2.1C M I D E L E C . / B A S E D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $12,983 General Notes • Reliability Tie built in 2031 (earlier than previous runs)...

AI summary The document presents scenario metrics and evaluation for a 25-year Net Present Value Rate of Return (NPVRR) of $12,983 MM, with adjustments for end effects and considerations for reliability, resource adequacy, and emissions reduction targets under the Integrated Resource Plan (IRP). It includes details on coal unit retirements, grid services, and CO2 emissions.

Page 25 of 72 2.2C H I G H E L E C . / M A X D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $15,172 General Notes • Reliability Tie & Regional Interconnection built in 2...

AI summary The text presents scenario metrics and evaluation data from an Integrated Resource Plan (IRP) by Nova Scotia Power, including Net Present Value of Resource Recovery (NPVRR), carbon emissions, and grid reliability considerations. The scenarios consider coal-to-gas conversions, regional interconnection, and demand-side management strategies.

ELCC values. The ELCC of a DR program will depend on its specific characteristics. NSPI’s Marginal DR ELCC 2020 IRP ASSUMPTIONS SET 53 Nova Scotia Power IRP Final Report Appendix H Page 73 of 321 2020 IRP: DSM JANUARY 2O, 2020 2020 IRP ASS...

AI summary The document discusses the use of Energy Efficiency (EE) data from E1's 2019 Potential Study in the 2020 Integrated Resource Plan (IRP). The data is used as a load modifier to represent decreased energy consumption due to improved efficiency. The assumptions include various factors such as cost-effective efficiency activities, initiatives under the Public Utilities Act, consumer behavior, and technological developments.

Nova Scotia Power IRP Final Report Appendix H Page 75 of 321 ENERGY EFFICIENCY (EE) Data Provided by EfficiencyOne(E1) in 2019 Potential Study 2020 IRP ASSUMPTIONS SET 56 Nova Scotia Power IRP Final Report Appendix H Page 76 of 321 DSM PEA...

AI summary The document discusses Nova Scotia Power's 2020 Integrated Resource Plan (IRP) assumptions related to energy efficiency (EE) and demand response (DR) programs. Data from EfficiencyOne (E1) is referenced, including a 2019 Potential Study, which outlines assumptions for DR programs over a 25-year period (2021-2045). The document notes that E1's data can be used as a load modifier or bundled resource option.

potential Incentive 1 Scenario (in Program Costs (kW/device) year 25) (25-yr) Water Controller installed on 0.5 $25 enrollment, Cumulative 50,779 $1.4M/MW Heater customer WH and used $25/yr when participants (10% during peak shifting compl...

AI summary The text presents incentive programs for energy efficiency and demand-side management, including water heater controllers, EV supply equipment, and residential batteries. It outlines participation costs, cumulative participants, and peak shaving potential for each program.

cost covered by potential defined number of NSP and funding system peak events where available. 2020 IRP ASSUMPTIONS SET 62 DR OPTIONS SUMMARY (NS Nova Scotia Power IRP Final Report Appendix H Page 82 of 321 POWER) CONT. Water Heater DR En...

AI summary The text presents a summary of demand response (DR) options, specifically focusing on water heater DR enrollment and costs for Nova Scotia Power (NSP). It includes graphical data showing cumulative customer enrollment, cumulative program cost, and yearly program cost across 26 scenarios.

efficiency and fuel supply is leading to, in certain jurisdictions, competitive advantages over coal, particularly given the faster pace of grid operations driven by variable generation; • Gas typically plays a role in backing up renewable...

AI summary The document discusses the role of natural gas in supporting renewable energy during periods of low generation, the uncertainty in natural gas costs due to supply constraints, and the reliance on imported gas following the shutdown of domestic production sources. It also highlights the need for a firm gas supply for new plants and considerations around operational modes.

atural gas to oil or vice versa poses operational challenges and can jeopardize unit availability • Increased emissions associated with burning oil in lieu of natural gas for fuel assurance • Oil refill during the peak heating season has p...

AI summary The document outlines challenges associated with dual fuel capability, including increased emissions, compliance costs, and logistical issues with oil delivery. It also discusses the development of a natural gas storage facility by AltaGas in Nova Scotia and potential NS Power involvement.

eves NSPI has not fully incorporated our request to study alternative, lower costs of capital and if the use of such enables Nova Scotia to decarbonize quicker than using NSPI’s ownership assumptions. Paul Chernick, President of Resource I...

AI summary The document discusses concerns regarding NSPI's approach to incorporating alternative, lower costs of capital and its impact on decarbonization. It also highlights issues with the inequitable treatment of renewable generation's ELCC and suggests financial benefits for ratepayers through the sale of surplus environmental attributes to other sectors.

raints. AREA requests that NSPI consider modelling additional decarbonization efforts in each scenario and at what price other sectors would need to pay NSPI to affect such additional decarbonization. Alternative Resource Energy Authority,...

AI summary The Alternative Resource Energy Authority (AREA) requests that Nova Scotia Power (NSPI) consider additional decarbonization efforts in each scenario and the cost implications for other sectors. The document references the Integrated Resource Plan (IRP) and discusses ELCC assumptions based on studies by E3, including the impact of wind energy on the planning reserve margin.

c project, which used load and wind forecasting and aggregation capabilities to perform near real-time load shifting of commercial and residential loads and provide new ancillary services to the grid. Electrification of Nova Scotia’s space...

AI summary The text discusses strategies for integrating renewable energy into Nova Scotia’s grid, including demand response frameworks, electrification of heating and transportation, and curtailment of surplus wind and solar generation. These strategies aim to reduce integration costs and support the Province's net zero GHG emissions goal by 2050.

gulation signals will help off-set any generation/load imbalance in the NS Power system. Such imbalances could be from rapid changes in wind and solar generation or any generation surplus or shortage. The IRP presents a series of assumptio...

AI summary The document discusses the importance of regulation signals in balancing generation and load in the NS Power system, particularly with renewable sources. It highlights the Integrated Resource Plan (IRP) assumptions on technology costs and their impact on Levelized Cost of Energy (LCOE) and revenue requirement profiles. CanWEA suggests using price benchmarks to assess the reasonableness of these assumptions and recommends more explicit LCOE values for transparency.

inconsistent with all but a few very high recent estimates. 7 As shown below, those forecasts showing similar costs in 2019 were 5 NS Power, Draft Assumptions Set (January 20, 2020), Slides 35-37. 6 Lazard, Lazard’s Levelized Cost of Energ...

AI summary The text discusses discrepancies in cost estimates for solar PV and combined-cycle natural gas, noting that NS Power's assumptions are inconsistent with recent projections from the National Renewable Energy Laboratory and Lazard. It highlights the need for alignment with other sources and consideration of variable O&M costs and charging costs for storage technologies.

would like to better understand these assumptions or see them aligned with other sources. 8 National Renewable Energy Laboratory, Annual Technology Baseline: Electricity, Natural Gas Plants (2019). John D. Wilson and Paul Chernick • Resour...

AI summary The text discusses the inclusion of distributed energy resources (DERs) in modeling, emphasizing the need to account for both full costs and non-energy benefits such as reduced line losses and backup service, or alternatively, just the costs paid by NS Power reduced by T&D benefits if non-energy benefits cannot be estimated.

Nova Scotia Power IRP Final Report Appendix H Page 132 of 321 Input on Draft Assumptions Set Page 8 of 10 Also, please make visible the numerical values behind Figure 27. (E3 Capacity Value Study, p. 55) We also recommend that NS Power con...

AI summary The text discusses concerns regarding the Integrated Resource Plan (IRP) assumptions, particularly the need to consider feeder circuit outages on DAFOR and the impact of energy efficiency (EE) on ELCC values. It highlights the importance of modeling EE programs individually and the potential for forecasted ELCC values to miss diversity benefits from a mix of resources.

Nova Scotia Power IRP Final Report Appendix H Page 133 of 321 Input on Draft Assumptions Set Page 9 of 10 • What consideration, if any, is given to weather trends in the long-term weather dataset? For example, if there is a trend towards m...

AI summary The text raises questions about the consideration of weather trends in long-term forecasts, the correlation between weather and generation efficiency, and the modeling of import-related issues, including transmission costs, new tie lines, and the impact of fossil fuel imports on emissions and costs.

y and not contribute to overloading of consisting principally of wind and tidal flows [2,3]. Electric vehicles the transmission system. (EVs) which have greatly increased efficiency compared with inter- Option 1 is not being considered by...

AI summary The document discusses the integration of electric vehicles (EVs) into the local electricity grid, highlighting their potential to reduce energy consumption and reliance on fossil fuels. It outlines the current electrical transmission system and the challenges of incorporating EVs, noting that Option 3 is the basis for the study, which evaluates the impact of EVs on the grid and renewable energy use.

nvenience charging, because no provincial or utility first line of Table 2. policy exists to motivate any other behavior. 3. Analytical methods 3.2.2. Scenario: Time of day charging Nova Scotia has in place a ‘‘time of day” (TOD) residenti...

AI summary The text discusses the analysis of electricity consumption patterns related to electric vehicles (EVs) in Digby, Nova Scotia, and the impact of a 'time of day' (TOD) residential electricity tariff. It assumes a 10% adoption rate for EVs and examines how EV drivers may respond to the TOD tariff by delaying charging until after 23 h.

Hour of the Day charging, thereby increasing the Digby load and decreasing the net Fig. 3. Nova Scotia Power domestic service time-of-day electricity tariff schedule. electricity export. To model the effects of such a strategy, each 24 h p...

AI summary The text discusses the impact of time-of-day (TOD) electricity tariff schedules on charging behavior and electricity export, specifically focusing on Nova Scotia Power's domestic service. It models the effects of smart charging strategies by analyzing 24-hour periods and controlling charging during times of high export.

n and Management 109 (2016) 130–139 Fig. 4. Logic diagram for ‘‘TOD Charging” algorithm. Output is load profile of each vehicle, which are then aggregated to become fleet charging loads.

AI summary The text describes a logic diagram for a 'TOD Charging' algorithm, which generates load profiles for individual vehicles and aggregates them to form fleet charging loads. The diagram is part of a study on energy management and vehicle charging strategies.

ed and commercial vehicles, respectively. Commercial and private charging load profiles were then multiplied by the presumed adop- tion fraction for each class (10% for both), and summed together to produce a regional vehicle fleet chargin...

AI summary The text outlines a method for estimating EV charging load profiles by considering adoption rates and adjusting export power peaks to match energy demand. It describes a smart charging algorithm that balances vehicle energy needs with grid export capacity, as illustrated in a flow diagram.

at 23 h. The smart charging scenario drop to zero (during a power outage). The WEC field’s output is (magenta) can add as much as 6 MW of load (10 kW per vehicle), continuously variable, achieving slightly more than its rated capac- coordi...

AI summary The text discusses the impact of smart charging on EV load and grid management, showing how load varies throughout the day and season. It highlights that smart charging can add significant load during peak times and that EV owners may accept signals for charging if incentivized, particularly overnight.

ne 5533 export power, exceedance probability, showing effects of three charging strategies applied to 10% of Digby vehicle fleet. period of peak export in the smart charging algorithm means that Additional Capacity Made Available 100 4 Loc...

AI summary The text discusses the impact of electric vehicle (EV) charging strategies on local renewable electricity use, noting that 85% of EV charging could come from local wind energy converters (WECs). However, it also highlights that drawing renewable electricity from the grid may require additional generation elsewhere, raising questions about overall system impacts.

and could not fully be realized as it requires 100% participa- attenuate export peaks by 1 MW (compared to 3 MW for ideal tion, arbitrarily high charging power per vehicle, and vehicles to smart charging), and thereby free up 1 MW of trans...

AI summary The text discusses the limitations of electric vehicle (EV) charging infrastructure in meeting demand, highlighting the need for precise timing and high charging power. It also mentions the capacity factor of wind energy converters (WEC) and references a report by N.S. Pearre and L.G. Swan on energy conversion and management.

[9] Metz M, Doetsch C. Electric vehicles as flexible loads – a simulation approach electricity load to Digby, but will do so at existing peak load peri- using empirical mobility data. Energy 2012;48(December):369–74. ods (17 h) when export...

AI summary The text discusses the potential of electric vehicles (EVs) as flexible loads, using simulation approaches to manage electricity demand. Strategies such as time-of-day (TOD) charging and smart charging are shown to increase the fraction of transportation energy sourced from local renewable electricity generators, improving grid efficiency.

Features • Provides visibility and control to all of your DER in a single platform »» Solar power »» HVAC systems »» EV charging stations »» Lighting systems »» Batteries »» Uninterruptible Power Supply (UPS) »» Wind energy »» Combined Hea...

AI summary The text describes a platform that provides visibility and control over distributed energy resources (DER), including solar, EV charging, batteries, and wind energy. It highlights features such as demand control, storm hardening, and tariff management, emphasizing benefits like system reliability, optimization, and participation in utility programs for revenue generation.

or the Municipality of the District of Digby Sigma Energy Storage Inc. November 2018 - CONFIDENTIAL page 1 1 Introduction Sigma Energy Storage proposes a prefeasibility study to evaluate Digby’s energy profile and identify solutions to max...

AI summary Sigma Energy Storage Inc. proposes a prefeasibility study to evaluate energy storage solutions for the Municipality of the District of Digby, focusing on renewable energy integration and thermal storage for heating. The study aims to assess the impact of energy storage systems on grid balancing and the potential for low-cost heating in community buildings.

in Digby. An Eco Industrial Park (EIP) is a community of manufacturing and service businesses seeking enhanced environmental and economic performance through collaborating in the management of environmental and resource issues [10]. Follow...

AI summary The text discusses the potential development of an Eco Industrial Park (EIP) in Digby, emphasizing strategies such as energy and material pooling, reducing consumption, and managing waste to improve environmental and economic performance. The municipality's economy has historically relied on fishing, forestry, agriculture, and fur farming, with a focus on industrial growth near Highway 217.

NTIAL page 5 Figure 4. Available renewable resources in the municipality of the district of Digby 3 Ecotourism Opportunity The district of Digby is rich in history and natural habitat, both of which draw visitors and new residents to the M...

AI summary The document discusses ecotourism opportunities in the Municipality of the District of Digby, emphasizing the need to reduce fossil fuel consumption and GHG emissions through renewable energy and waste material reuse. It highlights that large public buildings consume 80% of the total delivered energy and lists eight high-demand facilities, most of which use fuel oil for heating.

page 7 Figure 7. Average yearly oil consumption for the high-demand facilities [12] Figure 8. Average yearly GHG emissions from high-demand facilities The two large facilities with the highest energy demand are the hospital and the high sc...

AI summary The document discusses energy consumption patterns of high-demand facilities in Digby, particularly the hospital and high school. It highlights the hospital's 24/7 operation, peak energy usage during daytime hours, and a ten-year trend of stable annual electricity consumption with seasonal variations. An exception in 2016 saw unusual energy demand patterns.

ure 10. Average monthly energy consumption for Digby hospital: a) Electricity, b) Heat; and Average monthly energy consumption for Digby high school: c) Electricity, d) Heat [12] 3.2 Waste Materials and Biomass The Municipality of the Dist...

AI summary The text discusses waste management and biomass energy in the Municipality of the District of Digby, including the use of biomass for heat, electricity generation, and biogas production. It highlights an ongoing biomass project in Digby involving anaerobic digestion of mink farm and municipal waste to produce biogas for electricity generation.

ste as feedstock to an Anaerobic Digester to produce biogas (Figure 11). The Municipality has a plan to use this biogas to generate electricity which can be exported onto the local grid, generating Digby Submissions February 14, 2020 Page...

AI summary The Municipality of the District of Digby plans to use biogas from an anaerobic digester to generate electricity, which could be exported to the local grid and offset property taxes through the COMFIT program. The area also has a biomass facility and potential for a biopower plant using wood chips, which could increase energy efficiency to 80% through combined heat and power systems.

These combined heat and power (CHP) systems greatly increase overall energy efficiency to approximately 80%, from the standard biomass electricity-only systems with efficiencies of approximately 20%. 3.3 Energy Storage Systems Energy stora...

AI summary The text discusses the benefits of combined heat and power (CHP) systems, which increase energy efficiency to 80%, compared to standard biomass electricity-only systems at 20%. It also highlights the importance of energy storage systems in renewable energy plants, their ability to improve system flexibility and reliability, and the various classifications of storage technologies.

3.9 Provincial Building 56400 7050 16 $7.32 $6.13 3.9 Considering NS Low Carbon Communities Grant Digby Submissions February 14, 2020 Page 33 of 62 Nova Scotia Power IRP Final Report Appendix H Page 174 of 321 Storage Systems for the Munic...

AI summary The text discusses the implementation of solar thermal energy storage (TES) systems at Digby General Hospital and Digby Regional High School. It highlights the reduction in oil consumption and GHG emissions, as well as the payback period for these systems. The analysis considers a 15-year payback period and presents recommended designs for both facilities.

• Has abundant, dispatchable energy capacity • Enables greater use of renewable power • Is stable and dependable • Brings cost of electricity to below grid average • Reduces fuel oil consumption and therefore • Reduces GHG emissions and bl...

AI summary The text highlights the benefits of a microgrid system for an industrial park, including reduced fuel oil consumption, GHG emissions, and cost savings. It outlines assumptions for a technical and financial analysis, such as fuel costs, carbon tax, and financing parameters, and references optimization methods to minimize energy costs while meeting demand.

icipality of the District of Digby (up to $145k/year) and Nova Scotia Power (up to $4.2M/year) (Table 15). Table 14. Environmental benefits of the 2.2 MW biomass direct combustion system Coal Saving (tonne/year) 1121-1622 Natural Gas Savin...

AI summary The text discusses the environmental and economic benefits of a 2.2 MW biomass direct combustion system, including fuel savings and GHG reductions. It also highlights the energy cost trends of a clean microgrid system over 20 years and the potential job creation from its deployment in an industrial park.

r the Municipality of the District of Digby Sigma Energy Storage Inc. November 2018 - CONFIDENTIAL page 33 6 Conclusions Energy storage is a valuable tool for reducing electric bills, making facilities resilient, and earning revenue, espec...

AI summary The document discusses the benefits of energy storage and renewable resources in the Municipality of the District of Digby, Nova Scotia, including economic and environmental advantages. It outlines four systems under consideration, such as PV-Thermal Energy Storage and biomass systems, and references a table summarizing their technical and financial analyses.

to 97,000 m3/year) - Reduce the GHG emissions Digby Submissions February 14, 2020 Page 53 of 62 Nova Scotia Power IRP Final Report Appendix H Page 194 of 321 Storage Systems for the Municipality of the District of Digby Sigma Energy Storag...

AI summary The document outlines a submission by Digby regarding GHG emission reduction goals and references a confidential report by Nova Scotia Power on energy storage systems for the Municipality of the District of Digby.

[16] D. Griffin, How Hospitals Use Energy, Facilitiesnet. (n.d.). https://www.facilitiesnet.com/energyefficiency/article/How-Hospitals-Use-Energy-Facilities- Management-Energy-Efficiency-Feature 16905. [17] Garbage, Recycling and Compost -...

AI summary The text provides a list of references related to energy use in hospitals, biomass energy, energy storage technologies, and renewable energy initiatives in Digby, Nova Scotia, as well as academic publications on energy storage and thermal energy systems.

Features • Provides visibility and control to all of your DER in a single platform »» Solar power »» HVAC systems »» EV charging stations »» Lighting systems »» Batteries »» Uninterruptible Power Supply (UPS) »» Wind energy »» Combined Hea...

AI summary The text highlights a platform that provides visibility and control over distributed energy resources (DER) such as solar power, batteries, and combined heat and power systems. It emphasizes seamless connectivity, system reliability, and optimization features like demand control and tariff management.

onse: participate in utility programs to generate new revenue streams • Tariff management: manage price through seasonal, day- and hour-ahead pricing • Self-consumption: charge batteries with excess solar energy during peak periods • Cyber...

AI summary The text discusses strategies for participating in utility programs to generate revenue, tariff management through dynamic pricing, self-consumption of solar energy via battery storage, and the importance of a cyber-secure platform for data protection.

ired electricity is a critical policy that can help ensure affordable, clean electricity for Nova Scotians and help to avoid the worst climate impacts and ongoing human health impacts of burning coal. With regional electricity planning, fe...

AI summary The Ecology Action Centre (EAC) submits a report advocating for the phase-out of coal-fired electricity in Nova Scotia to ensure affordable, clean energy and support a just transition for coal workers and communities. The report was submitted in November 2019 and discusses a low-carbon transition for Nova Scotia’s electricity systems by 2030.

ccelerating the Coal Phase Out: Nova Scotia and the Climate Emergency A technical report and modelling analysis of a low-carbon transition for Nova Scotia’s electricity and energy systems by 2030’ The report offers a low-carbon scenario ba...

AI summary This report outlines a low-carbon transition for Nova Scotia's electricity and energy systems by 2030, focusing on a complete phase-out of coal. It includes a 7% drop in electricity demand, increased energy efficiency, the addition of renewable energy sources, and the integration of energy storage and transmission upgrades.

1 EfficiencyOne requests clarification on the following questions regarding NS Power’s 2 environmental assumptions: 3 • Does NS Power expect to sell excess GHG credits resulting from lower emissions? If yes, 4 how will the cost of carbon (...

AI summary EfficiencyOne seeks clarification from NS Power on environmental assumptions, including the handling of GHG credits, CO2 emission caps, and the calculation of DSM avoided costs in the Integrated Resource Plan (IRP). The discussion focuses on how environmental compliance costs and revenue from carbon credits are incorporated into the modeling process.

As of 2016, NS Power has calculated avoided transmission and avoided distribution costs and 26 shared them with EfficiencyOne and the DSMAG. Along with the figures themselves, NS Power 27 has shared a general description of the method to d...

AI summary NS Power has shared avoided transmission and distribution costs with EfficiencyOne and the DSMAG since 2016, including a general description of the method used to develop these estimates, but not the detailed calculations. The information is referenced in a 2015 ACEEE report by Baatz.

1 8. Enhanced analysis take place for EE and DR combinations contained within high- 2 performing Candidate Resource Plans, with the consultation of EfficiencyOne. 3 9. NS Power confirm EfficiencyOne’s understanding of how T&D avoided costs...

AI summary EfficiencyOne and NS Power are discussing the need for enhanced analysis of electrification scenarios within high-performing Candidate Resource Plans, particularly in the context of NS Power’s 2020 Integrated Resource Plan (IRP). NS Power plans to model various levels of electrification without considering related utility costs, and EfficiencyOne agrees with examining higher levels of electrification due to uncertainty around GHG regulations.

any related utility costs. The electrification scenarios developed in E3’s 26 Decarbonization study are essentially “scenarios” within which NS Power will explore different 27 generation, energy efficiency (EE) and demand response (DR) res...

AI summary The document discusses the development of electrification scenarios by NS Power in their Decarbonization study, highlighting that utility costs of electrification are not included in the Revenue Requirement. This makes quantitative comparison of revenue requirements between different CRPs inappropriate. EfficiencyOne agrees with Synapse on this point.

1 • The E3 Pathways Study is agnostic toward the level of costs, mechanisms (i.e. policy 2 designs), and delivery entity/ies for electrification scenarios. 3 4 5 3.0 Treatment of EE and DR in Draft Scenarios and Modelling Plan 6 7 As evide...

AI summary The document discusses the treatment of energy efficiency (EE) and demand response (DR) in the Integrated Resource Plan (IRP), highlighting inconsistencies in modeling approaches. The E3 Pathways Study is agnostic to costs and mechanisms, while the 2020 IRP provides the first opportunity to evaluate DR systematically. EfficiencyOne's 2019 studies assumed a single electrification forecast, whereas E3's Decarbonization study allowed more variable parameters.

1 net zero 2050 targets, will be paired in the IRP model with the EE & DR scenarios from 2 EfficiencyOne’s potential study, which were all based on much lower levels of electrification. 3 EfficiencyOne understands NS Power will also requir...

AI summary The text discusses the integration of electrification, energy efficiency (EE), and demand response (DR) scenarios in the Integrated Resource Planning (IRP) model for Nova Scotia Power. It highlights concerns that current models may not fully account for the interactive effects between these factors, potentially leading to suboptimal outcomes in achieving net-zero and GHG reduction targets.

E & DR Scenarios with CRPs 24 It is important to recognize the number of possible solutions has gone from three in the 2014 IRP 25 (Low-Low, Base, High), to 16 in the 2020 IRP, accounting for differing combinations of DR and 26 EE. The exi...

AI summary The text discusses the expansion of scenarios in the 2020 Integrated Resource Plan (IRP) from three in 2014 to 16, incorporating combinations of demand response (DR) and energy efficiency (EE). EfficiencyOne emphasizes the importance of exploring these scenarios, despite challenges, as they will inform future demand-side management (DSM) decisions and avoided costs.

or the proposed scenarios as follows, as well as suggesting three 7 additional combinations for consideration: 8 9 Table 1 - Suggested EE and DR Scenarios for Inclusion

AI summary The text suggests additional energy efficiency (EE) and demand response (DR) scenarios for consideration, including three new combinations, as outlined in Table 1.

Case Scenario Driver EE DR Number Scenario Scenario 1A Comparator Current Landscape Base Base 2A Net Zero – High Electrification Current Landscape High High 2B Net Zero – High Electrification Distributed High High Resources Promoted 2C Net...

AI summary The text presents a table outlining various scenarios related to energy efficiency (EE) and demand response (DR) under different conditions, including Net Zero and Absolute Zero World scenarios, with varying levels of electrification and resource integration.

4C-2 Net Zero – Moderate Regional Mid High Electrification Integration 1 2 EfficiencyOne developed the above pairings with a focus on generally exploring differing levels 3 of EE and DR, while at the same time suggesting pairings that may...

AI summary EfficiencyOne recommends specific EE and DR pairings for analysis and suggests enhanced exploration of optimal levels within high-performing Candidate Resource Plans. NS Power agrees to address T&D avoided costs as part of the IRP process, with stakeholder involvement.

ant could provide explicit assurance the modelling will capture the value of such a high capacity factor. 9 https://www.ge.com/renewableenergy/wind-energy/offshore-wind/haliade-x-offshore-turbine Envigour Memo Februray 18, 2020 Page 5 of 1...

AI summary The document discusses the rapid innovation in energy technologies driven by the need to reduce carbon emissions and develop cost-effective solutions. It highlights the role of distributed energy resources such as energy efficiency, renewable energy, energy storage, and microgrids in transforming energy systems.

defined in the report as technologies for energy efficiency, renewable and other local supplies of energy, energy storage and management, and microgrids (including electric vehicle charging stations). We submit the report and its extensive...

AI summary The report highlights the dynamic nature of technology prices and innovation in energy efficiency, renewables, and DER, noting that variables are in constant motion. It emphasizes the rapid pace of adoption driven by innovation and business strategies, similar to the evolution of consumer electronics.

immune. In fact, most likely pathways to achieving this goal depend upon a significant amount of electrification and thus the assumption that the electricity will be net-zero carbon logically follows. While there can and will be considerab...

AI summary The text discusses the implications of achieving net-zero carbon emissions through electrification and the challenges of energy poverty. It highlights the potential for inequality as those with capital invest in energy systems, leaving low-income individuals behind. It also outlines principles for risk reduction in Integrated Resource Planning (IRP) under conditions of rapid change.

ng on distributed energy resources and the opportunity to support the development of smart energy communities. The detailed technical and policy thinking behind their work is attached to this report. Envigour Memo Februray 18, 2020 Page 8...

AI summary The text discusses the concept of Smart Energy Communities, emphasizing the integration of local, renewable, and conventional energy sources to meet energy needs in an efficient, clean, and affordable manner. It highlights the importance of aligning energy policy with community priorities and land use planning.

and wastewater, waste management, personal mobility, goods movement, and building design decisions 2. Optimize exergy – avoid using high-quality 2. Match energy options to local context – local energy in low-quality applications climate, b...

AI summary The text outlines strategies for energy efficiency and sustainability, emphasizing exergy optimization, heat management, waste reduction, renewable energy use, strategic energy delivery systems, and policy stability. It highlights the importance of using local resources, managing risks, and ensuring cost-effective and flexible approaches to energy systems.

tems and consistent and predictable decision-making use them as a resource to ensure reliability environment to sustain investor confidence and for energy storage to meet varying demands 1 Envigour Memo Februray 18, 2020 Page 9 of 13 Nova...

AI summary The text discusses the need for a new framework to address climate change and energy policy in Canada, emphasizing the importance of local energy solutions and Smart Energy Communities. It highlights the role of communities in energy use and greenhouse gas emissions and suggests that smart energy communities and QUEST offer real solutions to key challenges.

percent of our energy and emit about half of our greenhouse gases. A new direction We can frame the problem around six key challenges and why smart energy communities and QUEST offer real solutions: 1) Building climate change policy on a f...

AI summary The text discusses the importance of aligning climate change policy with sound energy policy, highlighting the role of Smart Energy Communities and QUEST in addressing challenges related to greenhouse gas emissions and energy use. It emphasizes the need for integrated approaches to energy and transport systems.

Envigour Memo Februray 18, 2020 Page 10 of 13 Nova Scotia Power IRP Final Report Appendix H Page 248 of 321 recognition that energy consumers and citizens first value the fundamental integrity of their energy delivery systems: safe, reliab...

AI summary The text emphasizes the importance of safe, reliable, and affordable energy systems while highlighting the need for communities to prioritize local environmental and social issues. It advocates for technological change guided by performance standards and price signals rather than specific technologies, allowing communities to choose solutions that best fit their unique conditions.

nities to make assets out of local waste (domestic, agricultural or industrial) or diverse local renewable energy options. Smart Energy Communities figure this out and select what works best for them. 3) Maximizing the value of all our ass...

AI summary The text discusses the importance of Smart Energy Communities in leveraging local waste and renewable energy, maximizing existing infrastructure value, and emphasizing institutional innovation in energy systems. It highlights the need for careful planning and regulatory adaptation to support technological advancements and community-driven energy solutions.

ical options? How do policy makers find answers to these questions, answers which have the weight of concurring citizens standing behind them? QUEST through focusing on Smart Energy Communities can 4 M. Cleland & M. Gattinger, “Canada’s En...

AI summary The text discusses the importance of Smart Energy Communities in aligning local energy needs with climate solutions, fostering civil dialogue, and reducing policy uncertainty through community engagement and shared goals.

can offer improved prospects for civil dialogue and more stable conditions for change. Smart Energy Communities, by definition, spend less time shouting at each other and more on building the future. 6) Restoring public trust and confidenc...

AI summary The text discusses the importance of restoring public trust in decision-making institutions through inclusive processes and highlights the challenges and changes in the power grid due to climate events, technological advancements, and the need for local resilience and GHG emission reductions.

ys to generate and manage energy at the local level - digitization, automation • A global drive to reduce GHG emissions • Local revenue generation and energy cost security and stability Communities have new energy solutions available to th...

AI summary The text discusses the impact of new energy solutions on communities and the challenges faced by energy service providers and system operators. It highlights changes in business models, customer relationships, and grid management due to advancements in local energy generation and distribution.

Nova Scotia Power IRP Final Report Appendix H Page 269 of 321 Natural Forces Services Inc. 1801 Hollis Street Suite 1205 Halifax NS B3J 3N4 T: (902) 422 9663 F: (902) 422 9780 Doreen Friis, February 14, 2020 Regulatory Affairs Officer/Cler...

AI summary Natural Forces Services Inc. comments on the 2020 Integrated Resource Plan, noting that demand projections assume significant demand regression due to DSM/efficiency measures, but also highlights the potential for increased electricity demand from electrification of transport and heat sectors.

. There needs to be specificity as to how the revenue requirements will be determined for fillllual expenditures, ie multi-year amortiz.ation. A question that then arises is whether it is a variable. The SBA believes that the incorporation...

AI summary The SBA raises concerns about the revenue requirements for multi-year amortization and the exclusion of distributed generation in the IRP. They emphasize the need for further discussion on DSM and DER integration, as well as the modeling of customer economics and solar policies.

nergy storage resources (over 100kW) in RTO jurisdictions. Please provide more detail regarding how the various value streams of energy storage will be accounted for in Plexos. 2. Electrification We think it is critically important that th...

AI summary The text emphasizes the importance of electrification in Nova Scotia's Integrated Resource Plan (IRP), citing research that suggests electrification is the most cost-effective pathway to zero emissions. It references energy requirements for transportation and space heating, and highlights the potential of heat pump technology for space heating electrification.

cell or other derived source) by 2050 and energy requirements. Reasonable to assume 80-100% of space heating via heat pump by 2050 Space heating load aligned with demand peaks and electrification of space heating presents capacity concerns...

AI summary The text discusses the assumption that 80-100% of space heating will be via heat pumps by 2050, raising concerns about capacity due to electrification. It also requests confirmation on modifying the 2019 Load Forecast by removing 40% of future EE and DR from the 'before DSM' scenario while retaining the impacts of previously delivered programs. NS Power plans to use the Pathways report to adjust the forecast for electrification before EE and DR.

cause reductions to come from trajectories more stringent than current regulatory Assumptions electricity sector requirements.

AI summary The text discusses the need for more stringent electricity sector trajectories to achieve reductions, going beyond current regulatory assumptions and requirements.

Category Participant Assumption Comment NS Power Response 6. Planning CA Consider whether feeder circuit outages could Distribution Feeder outage events do not affect the Reserve Margin (Chernick & significantly affect DAFOR for any genera...

AI summary The document discusses the impact of distribution feeder outages on the planning reserve margin and energy efficiency (EE) program load shapes. NS Power responds that feeder outages do not affect the capacity value of generation units and will work with E3 to assess modifications to load shapes if EV resources significantly alter assumptions.

8. DSM E1 Confirm avoided DSM costs: • Confirmed that avoided energy and capacity will (February • Avoided energy & capacity will be output be output 14) • Avoided T&D costs will be input, using values based on • Avoided T&D costs will not...

AI summary The document discusses the confirmation of avoided DSM costs, including energy, capacity, and T&D costs, and their inclusion in the Integrated Resource Plan (IRP). It also addresses the use of DSM amounts from the 2020-2022 supply agreement and the consideration of cost-effective energy efficiency and demand response levels from the Potential Study in the IRP.

come from (February initiatives, and market developments are part of the a variety of sources. The IRP is agnostic as to the 14) before DSM load forecast provider. The DSM Potential Study is being used for EE and DR potential assumptions;...

AI summary The Integrated Resource Plan (IRP) is agnostic regarding the provider of demand-side management (DSM) load forecast initiatives. The DSM Potential Study is used for energy efficiency (EE) and demand response (DR) potential assumptions, though actual delivery may come from various sources.

(58% reduction (78% reduction (90% reduction (100% reduction Reduction to 0 Mt by 2050 from 2005) from 2005) from 2005) from 2005) 2020 IRP SCENARIOS AND MODELING PLAN 3 Nova Scotia Power IRP Final Report Appendix H Page 315 of 321 KEY POL...

AI summary The text presents scenarios and modeling plans from the 2020 Integrated Resource Plan (IRP) by Nova Scotia Power, focusing on key policy drivers such as greenhouse gas emissions reduction targets and coal closure policies. It outlines different scenarios for load changes, electrification, and energy efficiency measures.

15000 energy use 14000 Annual Energy (GWh)

AI summary The text presents a chart depicting annual energy use in gigawatt-hours (GWh), with values ranging from 14,000 to 15,000 GWh. The data likely relates to energy consumption trends over a specific period.

mproves execution time and solution quality for those runs As part of the IRP, NS Power is undertaking 3 screening analyses: • Diesel CT Screening • Hydro Screening • Carbon Price Screening 2 0 2 0 I R P I N T E R I M M O D E L I N G U P D...

AI summary Nova Scotia Power is conducting three screening analyses as part of the Integrated Resource Plan (IRP): Diesel CT Screening, Hydro Screening, and Carbon Price Screening. The RESOLVE model is used to co-optimize investments and operations to minimize the net present value of the electric system cost, considering factors such as renewable energy, energy storage, transmission, and carbon pricing.

1. NS Power’s planned reflection of the recession is inadequate. The current economic downturn will reduce NS Power’s load this year. Already, FAM data show that NS Power’s retail sales are down by roughly 5%, which is consistent with impa...

AI summary NS Power's planned reflection of the recession is deemed inadequate due to anticipated load reductions, particularly in commercial and industrial sectors. While residential loads may remain stable, commercial and industrial closures are expected to significantly reduce peak demand, impacting NS Power's planning and operations.

Gas (CCGT) -50 2021 2025 2035 2045 Coal 22 Mersey Hydro: System value provided by Mersey in RESOLVE modeling Nova Scotia Power IRP Final Report Appendix J Page 25 of 245  Mersey provides significant energy value to the system, as well as...

AI summary The document discusses the system value of Mersey Hydro in Nova Scotia Power's Integrated Resource Plan (IRP), highlighting its energy and capacity contributions. Mersey is more valuable in scenarios with higher loads and lower carbon targets. Removing Mersey leads to reliance on gas peakers, coal before 2030, and wind, imports, and gas CCGT after 2035.

245 RESOURCE SCREENING RESULTS KEY SCENARIOS Nova Scotia Power IRP Final Report Appendix J Page 31 of 245 RESOURCE SCREENING – KEY SCENARIOS • Initial runs of select key scenarios and sensitivities were conducted by E3 using RESOLVE • Earl...

AI summary The document discusses resource screening results and key scenarios analyzed by E3 using RESOLVE and PLEXOS models. It highlights the impact of higher loads and decarbonization targets on renewable energy builds, with regional imports slightly mitigating these effects. NPVs presented are partial revenue requirements considering modeled and external costs.

model selects cheaper import capacity, and integrates more wind NPV ($2021) $14,948  The average generation cost also increases relative to NPV ($2021) – with 20-year end effects $19,770 2.1.C, reflecting the increased cost of serving hig...

AI summary The document discusses a case summary from the Nova Scotia Power Integrated Resource Plan (IRP) Final Report, focusing on the selection of cheaper import capacity and increased wind integration. It notes that the average generation cost increases due to higher electrification load under the same GHG cap.

ase Summary Nova Scotia Power IRP Final Report Appendix J Page 43 of 245 Accel. Net Zero, Mid Elec./Base DSM, Current Landscape Key Observations Metric 2035 2045  The system builds more wind, solar, and batteries instead GHG Emissions (MM...

AI summary The analysis compares different energy scenarios for Nova Scotia Power's Integrated Resource Plan (IRP), showing that increasing wind, solar, and battery capacity leads to lower GHG emissions by 2035 and 2045. The inclusion of emerging technologies like CCS and SMR results in similar costs, but the current analysis excludes them. The NPV and average generation cost are also presented.

ry Nova Scotia Power IRP Final Report Appendix J Page 46 of 245 Accel. Net Zero, High Elec./Max DSM, Current Landscape Key Observations Metric 2035 2045  The system relies on wind, solar, and batteries to meet the GHG Emissions (MMT) 1.4...

AI summary The analysis highlights that the Nova Scotia Power Integrated Resource Plan (IRP) under the 'Accelerated Net Zero, High Electricity/Max DSM' scenario relies heavily on wind, solar, and batteries, leading to overbuilding and renewable curtailment by 2045. GHG emissions decrease significantly, but generation costs rise, and the inclusion of technologies like CCS and SMR does not significantly alter the outcomes shown.

se Summary Nova Scotia Power IRP Final Report Appendix J Page 47 of 245 Accel. Net Zero, High Elec., Max DSM, Distributed Resources Key Observations Metric 2035 2045  Due to the load reduction provided by DER, less new GHG Emissions (MMT)...

AI summary The text discusses the impact of distributed energy resources (DER) on GHG emissions, generation costs, and capacity planning under different scenarios. It highlights that DER reduces the need for new capacity but increases average generation costs due to lower load factors. The NPV calculations and energy balance are also presented.

Accel. Net Zero, High Elec./Max DSM, Regional Integration Key Observations Metric 2035 2045  System costs decrease when imports from neighboring GHG Emissions (MMT) 0.7 0.5 regions are available GHG Marginal Abatement Cost ($/ton) $0 $30...

AI summary The document discusses the impact of regional energy imports on system costs, GHG emissions, and generation capacity. It highlights that importing energy from neighboring regions reduces GHG emissions and system costs while decreasing the need for solar, batteries, wind, and gas by 2045.

age 52 of 245 INITIAL PORTFOLIO STUDY RESULTS Nova Scotia Power IRP Final Report Appendix J Page 53 of 245 INITIAL PORTFOLIO STUDY • The following slides provide the Initial Portfolio Study results from PLEXOS LT for the key scenarios as w...

AI summary The document discusses the Initial Portfolio Study results from PLEXOS LT, including key scenarios and sensitivities. It outlines the comparison of near-term and long-term resource portfolios up to 2026 and 2045, and presents partial revenue requirement NPVs considering various costs such as production, O&M, abatement, and energy efficiency.

1.0 Equivalency GHG Low Elec. 2040 A - Current Landscape Base DSM C – Regional Integration Comparator 2.0 GHG targets decline Low Elec. 2040 A - Current Landscape • DSM Levels linearly from 2030 to Base DSM C - Regional Integration Net Zer...

AI summary The text outlines various scenarios for GHG emission reductions by 2040 and 2050, considering different levels of electrification and demand-side management (DSM) strategies. It discusses paths toward Net Zero 2050 and Accelerated Net Zero 2045, with varying DSM levels and electrification scenarios.

tween options. If the variation in end effects among cases appears to be correct, but the magnitude is overstated, NS Power should consider shifting to a shorter end effect period (e.g., 10 or 15 years), or eliminating it altogether. Distr...

AI summary The text discusses concerns about the end effect period in NS Power's modeling and the exclusion of distributed energy resource (DER) costs in specific cases. It suggests shortening the end effect period or eliminating it and highlights the need to account for bottom-of-the-meter (BTM) costs associated with DERs, which are not captured in the NPVRR calculation.

e NSP’s next IRP, which we assume will be completed around 2025. At that time, if vehicle and building electrification were progressing consistent with HRM’s goals, then NS Power would need to adopt significantly higher assumptions for bui...

AI summary The document discusses Nova Scotia Power's Integrated Resource Plan (IRP) and its alignment with HaliFACT 2050 goals, noting that the IRP may need to adopt higher assumptions for building electrification if progress aligns with HRM's goals. It also highlights the absence of specific CO2 emissions figures in the IRP and the benefits of distributed solar and storage not being reflected in the initial modeling.

commitment to deal with extreme conditions, and the cost of those actions, and use that cost in lieu of the reliability-tie cost. The combination of the cost assumption and reliability requirements may be resulting in misleading model resu...

AI summary The text discusses concerns regarding the modeling assumptions in the Integrated Resource Plan (IRP), particularly around the reliability tie and wind energy development. It highlights potential misleading results due to cost assumptions and reliability requirements, and raises policy questions about when wind should be built relative to operational constraints. The IRP process is criticized for not adequately addressing these issues.

effective when utility emissions are regulated to zero. Faster trajectories to zero electric utility emissions may be more cost effective over the study period and the related end-effects time frame. The EAC welcomes the opportunity to sub...

AI summary The text discusses the potential cost-effectiveness of faster trajectories to achieve zero electric utility emissions and acknowledges the efforts of Nova Scotia Power staff in the pre-IRP and IRP processes. It also mentions the submission of written comments by the Ecology Action Centre (EAC).

ce of dramatically reduced emissions limits, the model first chooses interconnection over generation. It is entirely plausible that a zero emissions limit at 2050, 2045 or 2035 would react the same ecologyaction.ca EAC Memo July 17, 2020 P...

AI summary The text discusses the impact of reduced emissions limits on energy generation and interconnection strategies. It suggests that with access to more regional interconnection, zero emissions could be achieved faster and more cost-effectively. It also highlights the potential for consumer savings from high electrification scenarios.

nefits would likewise represent long term financial savings to the province. Clearly, a structured and measured assessment of this benefit is an important part of the net present value to ratepayers. The same high electrification rate cond...

AI summary The text discusses the importance of assessing long-term financial benefits from electrification and building efficiency improvements. It highlights that current models may underestimate savings due to the lack of consideration for improved building quality and renovation rates. Federal initiatives aim to develop stricter building codes to support net-zero energy readiness by 2030.

tel. 902.429.2202 2705 Fern Lane, fax. 902.405.3716 Halifax, NS, B3K 4L3 Assumptions aligned with these goals are included in modelling efforts such as those used for HalifACT planning and can dramatically reduce energy demand and also pre...

AI summary The document discusses the importance of aligning energy modeling with goals such as those in the HalifACT plan, emphasizing reduced energy demand and cost-effective demand response. It highlights that high-performance buildings can reduce heating load and enable demand response, but these opportunities are not fully represented in current scenarios. The IRP should consider these scenarios to advise Halifax on the implicit costs or savings.

ration scenarios. If it were available, it is not clear that, if presented with a zero emissions case in the study window, the model might well choose it over gas generation with carbon sequestration. In addition, there is a risk that plan...

AI summary The text discusses the potential risks associated with natural gas generation in the context of emissions and climate goals. It highlights that natural gas may carry a higher carbon emissions factor due to upstream fugitive methane emissions, and that current emissions factors may not fully account for these risks. There is concern that relying on natural gas could become the most cost-effective response to declining GHG levels, despite its environmental impact.

es that have not had to be significantly considered in previous IRPs. NSPI’s consideration of T&D cost implications appears limited to avoided T&D Costs with respect to DSM7 and regional integration. Given that IRP outcomes can influence l...

AI summary Heritage Gas highlights the importance of considering the total cost implications of the Integrated Resource Plan (IRP) for rate payers, emphasizing the role of natural gas distribution systems in meeting peak energy demand cost-effectively while aligning with GHG targets. The discussion also notes the limited consideration of transmission and distribution (T&D) costs in previous IRPs and the need for continued stakeholder collaboration.

- diesel CTs no longer have an NPV cost advantage over the lowest-cost non-emitting alternative or combination of alternatives d For the initial analysis and for the analyses in part b), how sensitive are the findings to: - the assumed dat...

AI summary The text discusses the lack of NPV cost advantage for diesel CTs compared to non-emitting alternatives and raises questions about the sensitivity of findings to the timing of significant expenditures on diesel CTs.

Those BTM costs do not fit neatly into the NPVRR calculation, since they do not represent utility revenue requirements. Nor should the full cost of DERs comparable to the utility costs, since DERs (especially paired solar and storage) prov...

AI summary The text discusses challenges in comparing different energy plans due to divergent load forecasts and the limitations of the NPVRR metric in reflecting benefits from electrification and demand-side management. It also mentions the difficulty in incorporating BTM costs into NPVRR calculations and suggests using placeholder values or marginal energy costs for estimation.

increased volumes of these resources could reduce costs for Nova Scotia consumers while advancing the Province’s environmental goals. Page 18 of 53 Nova Scotia Power IRP Final Report Appendix J Page 211 of 245 IRP Participant Comments and...

AI summary The text discusses the potential for increased volumes of certain resources to lower costs for Nova Scotia consumers and support the province's environmental goals. It references the Nova Scotia Power Integrated Resource Plan (IRP) final report and its appendix, which includes participant comments and responses from NS Power.

lines the underlying requirements for these resources to relatively quickly with installed capacity on the Nova provide this service, reducing costs to customers. Scotia system, in part due to the more variable nature of the wind resource...

AI summary The analysis questions whether the end effects assessment sufficiently considers the additional costs of fossil-based resources compared to renewable ones, especially with growing carbon constraints. It also raises concerns about the assumption of an infinite reinvestment horizon and the low capacity factors of combustion turbine resources added for capacity.

Scenarios EAC-02 The study restricts the model’s ability to add firm imports In the Regional Integration scenarios, the model is and as such biases the result towards gas turbine able to select both limited quantities of firm import Ecolog...

AI summary The study discusses how the model's restriction on adding firm imports biases results toward gas turbine construction and natural gas purchases. It also addresses the potential for non-firm energy imports and the implications of long decarbonization trajectories on emissions and cost-effectiveness.

ficient buildings are more capable of demand response as well, so the load in high electrification scenarios may be overstated. Page 33 of 53 Nova Scotia Power IRP Final Report Appendix J Page 226 of 245 IRP Participant Comments and NS Pow...

AI summary The text discusses the capability of efficient buildings to participate in demand response, suggesting that high electrification scenarios may overstate the actual load due to these capabilities.

ly of the economics of replacement vs sustaining capital costs. Reliability test results should be made available to IRP stakeholders. Electrification HG-02 Given that IRP outcomes can influence long‐term capital Based on feedback respecti...

AI summary The text discusses the economic implications of capital costs in the context of the Integrated Resource Plan (IRP), emphasizing the importance of considering reliability test results and the impact of electrification on energy demand. It highlights the role of natural gas distribution systems in meeting peak demand and the need for collaboration to ensure cost-effective energy solutions.

installations, and under what conditions, it would be highly speculative to model such value sources. NS Power agrees that the Smart Grid Atlantic Project and a continued analysis on the potential of DERs to provide distribution level savi...

AI summary NS Power acknowledges the importance of the Smart Grid Atlantic Project and ongoing analysis of DERs for distribution level savings as these technologies develop and mature. The value of such installations and their conditions remain speculative.

Natural Gas Quest-03 The narrative suggests a CCGT solution appears in several As part of NS Power’s draft Action Plan, it has runs. We recommend there be a fuller discussion of the costs proposed to develop a plan for the redevelopment En...

AI summary The text discusses the potential for combined cycle gas turbine (CCGT) solutions in Nova Scotia's energy system, emphasizing the need for a full discussion of costs and benefits. It highlights the importance of fuel flexibility, local natural gas storage, and reliability risks associated with reliance on a single pipeline. CCGT investment is suggested as a priority for achieving a net-zero electricity system by 2050.

July 2020 Category Comment # Comment NS Power Response Stranded Assets VC-01 It is counterintuitive that building 764-1170 MW of As part of NS Power’s draft Action Plan for the additional fossil fuel capacity is most appropriate. It should...

AI summary The comment questions the appropriateness of building additional fossil fuel capacity, suggesting these assets may have minimal value in a zero carbon system by 2050. NS Power responds by mentioning their draft Action Plan for redevelopment or replacement of existing gas-powered steam turbines and consideration of low/zero carbon alternatives.

orders of magnitude or directional time frames. NS Power looks forward to receiving stakeholder comments on these Draft Findings, which will then be refined for inclusion in the IRP Final Report. I R P D R A F T F I N D I N G S , R O A D M...

AI summary The draft findings emphasize the need for significant efforts across all sectors to reduce carbon emissions in line with Nova Scotia’s Sustainable Development Goals Act, with the electricity sector playing a major role. Key strategies include reliance on non-emitting electricity, demand side management, and electrification of fossil fuel-dependent end uses. Nova Scotia Power projects a substantial reduction in direct carbon emissions by 2045.

eport Appendix K Page 50 of 264 DRAFT FINDINGS 2. CONTINUED Decarbonizing Nova Scotia Power ’s electricity supply will require investment in a diverse portfolio of non- and low-emitting resources. c) Coal units are generally sustained econ...

AI summary The draft findings discuss the need for investment in non- and low-emitting resources to decarbonize Nova Scotia Power's electricity supply. Coal units are being retired, requiring new generating capacity. Hydro resources are economically viable, and energy efficiency programs are deemed cost-effective. Firm capacity resources, such as combustion turbines, will be essential for the near and long term.

A C T I O N P L A N 54 Nova Scotia Power IRP Final Report Appendix K Page 57 of 264 DRAFT ACTION PLAN 2. Electrification is a key variable in this IRP and results indicate that under economic resource plans it can support provincial decarb...

AI summary Nova Scotia Power's IRP Final Report outlines an action plan focused on electrification and thermal plant retirement. The plan includes strategies to encourage economic electrification while maintaining rate stability and decarbonizing the province, along with monitoring electrification growth and collecting data for system planning.

Nova Scotia Power IRP Final Report Appendix K Page 77 of 264 IRP RESOURCE PLAN INSIGHTS Regional Integration Electrification Firm Capacity Resources Coal Retirements Reliability Tie and Regional Increased electricity sales due to New firm...

AI summary The IRP Resource Plan Insights discuss regional integration, electrification, firm capacity resources, and coal retirements. Electrification can reduce electricity rates and support carbon reductions. Firm capacity resources, like efficient combustion turbines, will replace retiring coal units, aligning with GHG emissions caps. Coal units are retiring due to declining capacity factors.

low-cost resource plans. firm imported energy and ensure reliability. capacity and energy can be procured). Wind Energy Solar Energy Demand Response & Efficiency Hydro Resources Wind energy continues to increase in all There is very limite...

AI summary The document discusses the inclusion of wind, solar, demand response, and hydro resources in Nova Scotia's Integrated Resource Plan (IRP). Wind energy is increasing and contributes to grid essential services, while solar generation is limited due to low capacity factors. Demand response programs provide economic value, and existing hydro resources are retained with sustaining investment.

85 of 264 2.1C M I D E L E C . / B A S E D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $13,141 General Notes • Reliability Tie built in 2031 (earlier than previous runs...

AI summary The document presents scenario metrics and evaluation data for a 25-year and 10-year Net Present Value of Resource Requirement (NPVRR) under various conditions, including the construction of a Reliability Tie in 2031, retirement of a coal unit in the 2020s, and reduced combined cycle units by 2040. It also highlights CO2 emissions and the integration of renewable resources in the Integrated Resource Plan (IRP).

18 Nova Scotia Power IRP Final Report Appendix K Page 86 of 264 N PV PA RT I A L R E V E N U E R EQ U I R E M E N T CO M PA R I S O N Low Electrification Mid Electrification High Electrification Low Electrification Mid Electrification High...

AI summary The document compares revenue requirements and rate impacts across different electrification scenarios. Higher electrification with DSM investments reduces customer rates over time, while significant DER penetration increases rate pressure. Coal closures in 2030 and 2040 have similar long-term impacts, but the 2030 closure creates additional pressure in the 2030s without mitigation.

al revenue requirements 25 year NPV Revenue Requirement over the planning horizon (with and without end-effects adjustment) Average Annual Partial Rate Impact - 25-yr Magnitude and timing of electricity rate effects 10 year NPV Revenue Req...

AI summary The text outlines key evaluation criteria for assessing electricity plans, including revenue requirements, reliability, grid services, plan robustness, emissions reduction, and flexibility. It emphasizes quantitative and qualitative assessments of various aspects such as supply adequacy, essential grid services, and sensitivity to changes in assumptions.

d Effects ($MM) $16,692 Essential Grid Services • Essential Grid Service requirements are met as modeled 10-yr NPVRR ($MM) $6,850 Resource Adequacy & PRM • Reliability Tie: 2035 • Regional Integration: n/a Average Annual Partial Rate Impac...

AI summary The document presents scenario metrics and evaluation related to the Integrated Resource Plan (IRP) of Nova Scotia Power. It highlights essential grid services, resource adequacy, CO2 emissions, and the impact of natural gas prices on the plan's robustness and compliance with sustainability goals.

64 1.0C L O W E L E C . / B A S E D S M / C O M PA R AT O R E M I S S I O N S / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $12,190 General Notes • Incremental firm imports enable an economic coal u...

AI summary The document presents scenario metrics and evaluation data for a 25-year and 10-year Net Present Value of Resource Requirements (NPVRR) under different conditions, including coal unit retirements, reliability tie construction, and regional interconnection. It also includes CO2 emissions data and mentions non-compliance with Sustainable Development Goals Act.

24 Nova Scotia Power IRP Final Report Appendix K Page 133 of 264 3.1B MID ELEC. / BASE DSM / ACCEL. NET ZERO 2045 / DISTRIBUTED RESOUR CES Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $12,698 General Notes • DER is modeled as a load red...

AI summary The document presents scenario metrics and evaluations from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report, focusing on Distributed Energy Resources (DER), Mid-Electricity, Base Demand Side Management (DSM), and accelerated Net Zero 2045 goals. It includes 25-year and 10-year Net Present Value of Resource Requirements (NPVRR), CO2 emissions, and grid reliability considerations.

25-yr NPVRR ($MM) $12,978 $13,141 General Notes • Low wind price advances build of significant wind quantities from 2030 in base case to 2025; Reliability Tie is advanced as well to enable integration • Earlier build of Regional Interconne...

AI summary The document compares 25-year and 10-year Net Present Value of Resource Requirements (NPVRR) under different scenarios, highlighting the impact of earlier wind energy development, Regional Interconnection, and coal unit retirements on emissions and costs. It notes reduced CO2 emissions in the 2020s and minimal changes in 2045 resource plans.

higher levels of electrification studied in the IRP, but that such programs have not yet been studied or costs developed. RII recommends that NS Power include in its action plan an “order of magnitude” estimate for the level of cost that m...

AI summary RII recommends that NS Power include an estimate of the cost customers might bear to promote electrification in its action plan. While increased electricity sales from electrification can reduce upward pressure on rates and help with carbon reductions, determining the exact investment needed to avoid rate increases is uncertain. Benefits beyond rate impacts, such as cost savings and carbon reduction, should also be considered.

. Some modest efforts have, in fact, already begun. Electrification should not be limited to residential, commercial, and on-road transportation. The industrial and maritime sectors also provide opportunities and should be involved early i...

AI summary The document suggests expanding electrification efforts beyond residential and commercial sectors to include industrial and maritime sectors. It also recommends that Nova Scotia Power develop a comprehensive electrification pilot program strategy and explore an 'evergreen IRP process' for more frequent updates to the Integrated Resource Plan.

ions associated with upstream fugitive methane emissions. While not currently accounted for under this IRP process, there is a clear risk that at some point in time they will be included as regulators seek to achieve real emission reductio...

AI summary The text discusses the potential inclusion of upstream fugitive methane emissions in the Integrated Resource Plan (IRP) process, highlighting the environmental impact of natural gas compared to coal. It also emphasizes the benefits of an accelerated coal phase-out, including job creation and health benefits, while noting the initial higher costs associated with this approach.

tel. 902.429.2202 2705 Fern Lane, fax. 902.405.3716 Halifax, NS, B3K 4L3 analysis indicates that an accelerated phase-out would avoid 89 premature deaths, 8,000 asthma episodes and 58,000 days of breathing difficulty for Nova Scotians, amo...

AI summary The text discusses the benefits of an accelerated phase-out of coal by 2030, including reduced health impacts and environmental benefits. It also comments on the Draft Action Plan, supporting the development of a Regional Integration Strategy and the electrification of the grid to reduce carbon emissions and stabilize the power system.

and costs. The declining costs for technologies such as wind, solar, offshore wind and storage should be a particular focus. The workshop could also include cross-over fuels such as RNG and hydrogen. The first part of the workshop would be...

AI summary The text discusses the need for workshops focused on declining technology costs, including wind, solar, and storage, and their impact on the Integrated Resource Plan (IRP). It suggests involving stakeholders, commissioning papers, and organizing public-facing events managed by not-for-profit organizations. Regular workshops are recommended to update the IRP and engage the public on energy transformation.

also notes that an increase of this size in natural gas consumption in the region requires long-term natural gas transportation commitment planning, which should also be reflected in the Action Plan. Electrification and Associated Transmis...

AI summary The text discusses the need for long-term natural gas transportation planning due to increased consumption, significant investments in transmission and distribution infrastructure driven by electrification and environmental targets, and the role of natural gas in supporting the transition to low carbon fuels. It also references ongoing DSM Matter No. M09471 regarding avoided T&D costs.

2020) • IRP Modeling Results Table (2020-09-02). Key observations are summarised in the Executive Summary below. Issues are discussed in more detail in sections 1 through 5. Executive Summary • A major transformation of the existing genera...

AI summary A major transformation of Nova Scotia’s generation resource base is required to meet carbon reduction goals, including integrating more intermittent renewable energy. Higher electrification scenarios are seen as beneficial for reducing electricity rates and supporting broader emissions policy objectives.

. Even before consideration of the “low wind cost” sensitivities, several scenarios, including those identified as resulting in lower electricity rates, have substantially higher wind volumes. • CO2 levels vary widely between scenarios. Th...

AI summary The analysis highlights that scenarios with lower electricity rates involve higher wind volumes and varying CO2 levels. Lower CO2 emissions are valued for risk mitigation and promoting electrification in other sectors. The document recommends further consideration of risk assessment to identify resilient scenarios, particularly those with higher renewables and lower emissions.

limits), or higher demand growth/electrification (potentially resulting in breaches of emissions limits). It is recommended that this type of analysis is considered further. [Refer section 4] • NSP’s continued adherence to allowing further...

AI summary The text criticizes NSP for its approach to integrating wind capacity with capital-intensive batteries and synch comps, suggesting it leads to higher costs for consumers. It recommends considering alternative analyses and adopting best practices used in other systems with high levels of intermittent renewable generation.

2039 2040 2042 2043 2044 2045 -200 1.0A 1.0C 2.0A 2.0C 2.1A 2.1B 2.1C 2.2A 2.2C 3.1B 3.1C 3.2B 3.2C Figure 1: Build-out of additional Wind Capacity in the initial Scenarios. As can be observed, several scenarios have approximately 200 MW o...

AI summary The document discusses NSP's proposed wind procurement strategy, aiming to add 0-100 MW of new wind capacity by 2025 and up to 350 MW by 2030. This strategy is linked to higher electrification, which NSP believes can help reduce electricity rates and support Nova Scotia’s emissions policy goals.

Ltd. CO2 emissions 6000 5000 4000 3000 2000 1000 0 2025 2021 2022 2023 2024 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2.1C 2.1C.WIND-1 (Low Wind Cost) 2.1C.WIND-2 (Low Wind & Batter...

AI summary The text discusses CO2 emissions projections for different scenarios, noting that the benefits of lower emissions are not currently monetized in the Integrated Resource Plan (IRP) modelling approach. It references a European approach where such benefits are directly monetized.

ue of lower CO2 levels, including in relation to overall emissions policy goals. Also even if not directly monetizable, there is a definite value in lower CO2 scenarios as a risk mitigation strategy: • In a scenario where CO2 is “only just...

AI summary The text discusses the value of lower CO2 levels in electricity generation as a risk mitigation strategy, highlighting how lower carbon intensity can support emissions reduction goals and promote electrification, which may lead to lower electricity rates. It also outlines NSP's approach to identifying common actions across scenarios in its draft action plan.

179164 September 18, 2020 2. Flexibility In contrast to prior IRPs (which specifically sought to develop a long-term “Preferred Resource Plan” from among a set of candidate resource plans), the 2020 IRP results provide a comparison of vari...

AI summary The 2020 Integrated Resource Plan (IRP) emphasizes flexibility in resource planning due to uncertainty in future electric load growth and the need to accommodate changes in technology and government policy. This approach allows NS Power to make informed long-term decisions regarding coal retirements, new capacity additions, and renewable energy generation, while also considering regional integration efforts.

s of air pollution on human health; the latest air quality research suggests that in the US, the health benefits alone are enough to justify an immediate transition away from fossil fuels. 3. The rate impact comparison also illustrates the...

AI summary The text discusses the health benefits of transitioning from fossil fuels and highlights the inequitable economic impacts of high DER adoption, noting that wealthier individuals may benefit more from reduced energy costs, while the burden falls disproportionately on less affluent Nova Scotians. It also supports the need for steep carbon emission reductions in line with Nova Scotia’s Sustainable Development Goals Act.

carbon emissions in line with Nova Scotia’s Sustainable Development Goals Act will require significant efforts from each sector of the economy, with the electricity sector playing a major role.” Wolfville is currently working with the Sust...

AI summary Wolfville is working with the Sustainability Solutions Group to develop a Climate Change Mitigation Plan with ambitious targets to reduce GHG emissions, including increasing active transportation, upzoning for residential density, and implementing energy efficiency retrofits through a Property Assessed Clean Energy program.

purposes. investments that are captured within the IRP revenue requirement. Accordingly, there should be some downward adjustment. T&D capital investment: These costs will depreciate but will be replaced by investments that are not capture...

AI summary The text discusses adjustments to revenue requirements based on T&D capital investments and utility operating costs, noting the need for downward adjustments and potential increases under higher load scenarios. It also mentions the need for electrification programs and the lack of detailed cost analysis for electrification in the IRP exercise.

not yet been studied or costs developed. important in creating an electrification strategy, which is detailed in IRP Action Item #2. NS Power should include in its action plan an “order of magnitude” estimate for the level of NS Power note...

AI summary The document discusses the need for NS Power to include an estimate of non-cost benefits for customers in its action plan to promote electrification. It also raises the question of what level of program investment in electrification would result in no net change in electricity rates.

(22) What level of program investment in electrification would result in no net change in electricity rates for a given level of electrification? Electrification may also have significant benefits to participants – such as cost savings for...

AI summary The text discusses the impact of electrification on electricity rates and emphasizes the importance of considering broader benefits beyond rate changes. It suggests starting with pilot programs and expanding electrification efforts to include industrial and maritime sectors, not just residential and commercial areas.

Natural Gas pricing E1 When developing a plan for assumptions that would require a firm gas supply, NS Power’s analysis (6) Provide an assessment of risk in Natural Gas pricing assumptions within the Findings risk indicated that volumes th...

AI summary The document discusses Natural Gas pricing assumptions within the Integrated Resource Plan (IRP), highlighting risks related to gas supply from AGT. EfficiencyOne recommended including a proxy for new gas supply with sensitivity analysis for AGT prices. NS Power evaluated gas supply options based on firm access requirements for new units during winter peaks.

om the 2014 approach EfficiencyOne would like to see maintained on a public basis are: 1. The provision of annual avoided cost streams for both generation and energy. 2. The provision of levelized values over the planning period. 3. Key in...

AI summary EfficiencyOne emphasizes the importance of maintaining transparency in the 2014 approach by preserving annual avoided cost streams, levelized values, and key input assumptions like WACC. They advocate for a technical process to quantify avoided costs, involving IRP stakeholders and ensuring stakeholder participation before regulatory processes. NS Power has published responses to stakeholder comments on the IRP website.

enabling technologies and policy and legislative frameworks become better defined. of electrification. In addition, near-future regulatory benchmarks will dictate provincial November 6, 2020 Results / Roadmap / Action Plan Stakeholder Comm...

AI summary The text discusses the importance of enabling technologies and policy frameworks for electrification, as well as the influence of future regulatory benchmarks on provincial initiatives. It references the Nova Scotia Power IRP Final Report and mentions a stakeholder comments matrix from November 6, 2020.

ould be economic in the future, as suggested; however, further analysis would be required (e.g. reliability, self sufficiency, policy certainty, etc.). Natural Gas EAC The North American natural gas supply has additional emissions associat...

AI summary The document discusses the environmental impact of natural gas, particularly fugitive methane emissions, and notes that NS Power does not currently account for these emissions in its IRP process. If regulations change, planned natural gas units may be re-evaluated, and NS Power is considering low and zero carbon alternatives.

Development Goals Act (“SDGA”). Significant investment in T&D is also expected to arise electrification from the current “Base” level. An observed transition will trigger additional work to from the large potential increases in peak energy...

AI summary The text discusses the need for significant investment in transmission and distribution (T&D) infrastructure due to increased peak energy demand from electrification. It also highlights ongoing efforts to determine avoided T&D costs from demand-side management (DSM) and mentions the role of electrification in reducing carbon emissions, although it notes that electrification alone may not be sufficient to meet the SDGA net-zero 2050 target.

The continued insistence on the part of NSP to adhere to this position is rather baffling. The precise extent to which wind capacity is being “held back” due to this approach is difficult to quantify (though of course it could be assessed...

AI summary NSP's approach to wind capacity may lead to higher electricity costs for consumers compared to standard practices in other power systems. Electrification scenarios are seen as beneficial for lowering rates and supporting emissions goals, with NSP including an Electrification Strategy in its IRP Action Plan.

Nova Scotia Power IRP Final Report Appendix K Page 258 of 264 b) as can be observed from experience in other jurisdictions, lower carbon intensity of the electricity sector (lower CO2/MWh) promotes electrification of other sectors (heat, N...

AI summary Nova Scotia Power acknowledges the interest in lower emission electricity and highlights the benefits of lower carbon intensity in the electricity sector, including promoting electrification in other sectors and reducing electricity rates. The benefits of reduced CO2 emissions are not currently monetized in the IRP modelling approach, though they may be in other jurisdictions like Europe.

with this. NS Power views the addition of a Reliability Screening Wolfville Power’s reliability target. Reliable and predictable access to electricity is vitally important to phase to this IRP process as positive. Nova Scotians and will be...

AI summary NS Power supports the addition of a Reliability Screening phase to the Integrated Resource Plan (IRP) process, emphasizing the importance of reliable electricity access as electrification efforts expand. The Town of Wolfville appreciates the consideration of accelerated coal phase-out scenarios in the IRP, noting that health impacts of pollution are not directly addressed in the IRP scope but are indirectly reflected through emissions reduction data. The Town also highlights the economic inequities associated with high DER adoption by 2040.

ore substantial investments. These investment costs are likely to come in two areas, full electrification programs (transportation and building, and potentially other sectors), and T&D investments. 18 In its comments filed on November 13,...

AI summary The text discusses the need for substantial investments in full electrification programs and transmission and distribution (T&D) infrastructure. EfficiencyOne and RII suggest that NS Power should adopt a definition of electrification and principles for maximizing its benefits, as developed by the Regulatory Assistance Project.

Longer-term electrification program costs We expect (and we believe NS Power agrees) that some funding of electrification programs would be required to achieve the higher levels of electrification studied in the IRP. Ratepayers are likely...

AI summary The text discusses the need for funding long-term electrification programs as outlined in the Integrated Resource Plan (IRP). It suggests that ratepayers may bear the costs, but these have not been fully studied. RII recommends including an order-of-magnitude estimate of tolerable costs in the Final IRP Report to inform the Board and stakeholders about potential rate impacts.

e Board and stakeholders. While upward pressure on rates is an important consideration, we would also encourage the Board to consider that electrification may also have significant benefits to participants – such as cost savings for other...

AI summary The text discusses the potential benefits of electrification, including cost savings and reduced carbon pressure, and emphasizes the need to consider the province's overall perspective through a total resource cost test. It also highlights the importance of addressing transmission and distribution (T&D) costs related to electrification, which are significant and should be addressed in the Integrated Resource Plan (IRP).

n transition. The plans fall short of “optimal” as the software was presented with limited regional integration opportunities. Incremental transmission builds must be examined fully in future studies. As highlighted in EAC’s previous comme...

AI summary The text emphasizes the need for comprehensive future studies on incremental transmission builds and highlights the importance of achieving high electrification levels without reliance on natural gas. It also stresses the need for future planning to be transparent, inclusive, and managed by an independent third party with a focus on affordability, reliability, and sustainability.

L3 process would stand to benefit from being managed by an independent third party, with environmental advocacy and the pillars of affordability, reliability and sustainability as core principles. The EAC believes that Nova Scotia still ha...

AI summary The Ecology Action Centre (EAC) supports phasing out coal-fired electricity by 2030 and emphasizes the need for a just transition that benefits vulnerable groups. They highlight the role of the Nova Scotia Utility and Review Board in regulating NSPI under current legislation and advocate for an independent third party to manage the process.

ication effects. This change would clarify the presentation of the lowest NPVRR w/EE plan for the purposes of DSM. The following is a full summary of comments and recommendations on the Draft Report: Support for the Sustainable Development...

AI summary The text discusses support for the Sustainable Development Goals Act (SDGA) and the importance of electrification in the Integrated Resource Plan (IRP). It highlights that EfficiencyOne supports the SDGA and its alignment with the 2020 IRP's analysis and modelling for achieving net zero by 2050.

2. Enables better grid management; and 3. Reduces negative environmental impacts. As well, RAP’s four key principles for maximizing electrification benefits should be followed. 3. EfficiencyOne is well-positioned to administer initiatives...

AI summary The document outlines the benefits of electrification, the role of EfficiencyOne in administering electrification initiatives, the importance of consistency in IRP secondary metrics, and the economic benefits of DSM energy efficiency programs. It also emphasizes the need for stakeholder-driven processes and the use of RAP principles.

effects, as well as mixed effects on other metrics, when compared to Base DSM; Low DSM levels are shown to reduce relative rate impact, while Mid DSM levels are shown to reduce new capacity requirements and GHG emissions, both at a higher...

AI summary The text discusses the impact of different Demand-Side Management (DSM) levels on rate impact, capacity requirements, and GHG emissions within the Integrated Resource Plan (IRP). It highlights the economic benefits of the Base DSM profile and recommends incorporating sensitivity analyses into future DSM program development. The text also requests modeling the impact of carbon prices and avoided transmission and distribution (T&D) costs on NPVRR.

NPVRR with EE for all cases, based on the level of DSM included. Any re-ranking from the aggregate effect of carbon prices and avoided T&D should be reflected in the final report if present.

AI summary The text discusses the inclusion of energy efficiency (EE) in the Net Present Value of Renewable Resources (NPVRR) across all cases, emphasizing the need to reflect any re-ranking caused by carbon prices and avoided transmission and distribution (T&D) costs in the final report.

independent expert analysis, and ongoing consultation with participants”2 represented a significant degree of effort for which EfficiencyOne is appreciative. The large amount of stakeholder consultation undertaken in the process has not, n...

AI summary EfficiencyOne acknowledges the effort in stakeholder consultation for the Integrated Resource Plan (IRP) process and highlights the importance of addressing remaining issues. It supports the Sustainable Development Goals Act (SDGA) and emphasizes the role of Demand-Side Management (DSM) and electrification in achieving environmental goals and decarbonizing the electricity system.

IRP In addition to the role discussed above in reference to traditional energy efficiency activities, another form of DSM exists in the IRP in electrification. For clarity on whether electrification as DSM fits within a sound technical vie...

AI summary The document discusses the role of Demand-Side Management (DSM) in the Integrated Resource Plan (IRP), including electrification as a form of DSM. It outlines three electrification trajectories—Low, Mid, and High—based on the 2019 Load Forecast and adjustments for varying levels of building and vehicle electrification.

cast, adjusted to reflect the incremental load anticipated due to broad electrification of buildings and transportation as indicated in E3’s “High Electrification” Pathways scenario.  It is further understood that the impacts of these ele...

AI summary The text discusses the impact of electrification on load forecasts in Nova Scotia, referencing E3’s High Electrification Pathways scenario and the Integrated Resource Plan (IRP). It highlights the importance of electrification for economy-wide decarbonization and the need for demand-side management. The Low Electrification case is noted as the current trajectory, with no explicit costs or incentives for electrification activities in the IRP.

the importance of managing the relative growth of peak and energy requirements, highlighting the need to pursue beneficial electrification.8 Two key points in the above are very important, namely: 1. The electrification of end-uses current...

AI summary The text emphasizes the importance of managing peak and energy requirements through beneficial electrification to achieve SDGA goals and minimize costs. It references a definition of beneficial electrification provided by the Regulatory Assistance Project (RAP), highlighting its benefits for consumers and grid management.

3. Reduces negative environmental impacts. In addition, RAP offers key principles for maximizing the benefits of beneficial electrification efforts: 1. Put efficiency first. 2. Recognize the value of flexible load for grid operations. 3. U...

AI summary The text highlights the importance of efficiency and flexible load management in maximizing the benefits of electrification, and outlines why EfficiencyOne is well-suited to administer electrification initiatives in Nova Scotia due to its market presence, expertise, and existing program structures.

ntry into electrification activities could be relatively rapid. Efficiency Vermont has followed this path, and now offers electrification measures. In the Action Plan section of the report, it states: Initiate an Electrification Strategy t...

AI summary The document discusses the need for an electrification strategy in Nova Scotia, emphasizing stakeholder engagement and rate stability. It also highlights the economic benefits of demand response as shown in the 2020 IRP, suggesting a target of 75 MW of capacity by 2025.

ng horizon (adjusted for end-effects). NS Power will continue to use this primary metric to guide resource planning, and will also assess others of increasing importance, including: - Magnitude and timing of electricity rate effects; - Rel...

AI summary NS Power will use a primary metric for resource planning and evaluate secondary metrics such as electricity rate effects, reliability, grid services, plan robustness, GHG emissions, and flexibility. These evaluation criteria have evolved since the Terms of Reference were presented.

ell considered by stakeholders. The Application of Rate Effects Despite rate effects forming a secondary evaluation metric in the whole of the IRP, the Draft Report has used of the metric to: 1. Demonstrate that increasing levels of electr...

AI summary The text critiques the use of rate effects as a secondary evaluation metric in the Integrated Resource Plan (IRP), arguing that it has been used inconsistently, particularly in relation to electrification and demand-side management (DSM). It highlights concerns about the lack of exploration of various factors affecting rate trajectories and calls for revisions to the Action Plan.

Base was most economic on NPVRR w/EE, that either could bookend a range of acceptable DSM levels.16 On the basis of all of the preceding, it is requested that Action Plan item 2e be revised to read: DSM energy efficiency programs and costs...

AI summary The document discusses the economic analysis of DSM energy efficiency programs, highlighting that the Base DSM profile is most economic based on the 25-year NPVRR with end effects metric. It recommends revising language in the Action Plan to reflect this finding and remove references to affordability, which will be addressed in future DSM Resource Plan processes. The impact of the market price of carbon on NPVRR results is also mentioned.

s (T&D costs are assumed to be invariant between cases). To have DSM compete in a “generation-focused” IRP effectively means that established T&D benefits of DSM are being ignored, and valued at zero. The assessment that both T&D avoided c...

AI summary The text argues that demand-side management (DSM) should not be evaluated solely in a 'generation-focused' Integrated Resource Plan (IRP), as it ignores the Transmission and Distribution (T&D) benefits of DSM. The text highlights that T&D avoided costs should be considered in the Net Present Value of Renewable Resources with Energy Efficiency (NPVRR w/EE) calculations, and provides data showing the impact of these avoided costs across different DSM scenarios.

negative (avoided) cost against the original NPVRR w/EE of the 2.0C sensitivity cases originally studied. The right-most column shows the adjusted total NPVRR w/EE after considering the avoided costs. The aggregate effects of carbon pricin...

AI summary The analysis highlights risks associated with the Integrated Resource Plan (IRP) due to heavy reliance on market-based imports and untested natural gas import methods. A sensitivity analysis shows that higher natural gas and import prices could increase revenue requirements by 8.5%, making the regional integration plan less economical compared to local resource development.

rbon economy may drive demand higher than forecast. This outcome would raise new questions on where the resources to meet such demands (in excess of demand forecasts from all scenarios) may come from. We would note that while onshore wind...

AI summary The text discusses the potential for increased demand in a low-carbon economy and the need to consider alternative energy sources such as offshore wind and DERs. It highlights the importance of updating assumptions in the Integrated Resource Plan (IRP) and the need for innovation in utility processes to fully realize the benefits of DERs. The text also acknowledges the success of the current IRP in advancing a lower carbon future.

• sectoral (residential, commercial and industrial) electricity consumption changes; • shifts in the economy towards services, which generally consume less energy; • the cost of alternative energy sources, including the influence of carbon...

AI summary The text discusses factors influencing electricity demand forecasting, including consumption changes, economic shifts, energy costs, and demand-side management. It highlights the risks of overestimating or underestimating future electricity requirements, citing examples from other jurisdictions such as the Muskrat Falls Project and Site C Project.

2 Nova Scotia Power IRP Final Report Appendix L Page 51 of 125 (NSR) and Net System Peak (NSP), respectively. Data were located for the period 2008 through 2019, inclusive, and obtained from the NSPI 10-Year System Outlook reports filed an...

AI summary The document presents historical data on Nova Scotia Power's Net System Requirements (NSR) and Net System Peak (NSP) from 2008 to 2019, showing a decline in both metrics over the past decade. It notes that pre-recession forecasts overestimated requirements, while post-recession forecasts have been more accurate.

3 POTENTIAL CAUSES OF OVERFORECASTING To be clear, the pattern of overcasting is not unique to BC Hydro. Our research reveals that other utilities and system operators also persistently and substantially overestimate long-term requirements...

AI summary The text discusses the issue of overforecasting in long-term energy planning, noting that it is not unique to BC Hydro. It highlights risk asymmetry bias, where reliability has historically taken precedence over cost-effectiveness and environmental concerns. With changing market conditions, overforecasting now leads to unnecessary investments and rate increases, impacting the low-carbon electrification transition.

ictions and promote local economic growth and energy independence, further improve energy resiliency and flexibility, effectively manage peak demand, and lower costs to Nova Scotian energy ratepayers. NSPI has noted its view that “electrif...

AI summary The text discusses the importance of electrification in supporting provincial decarbonization goals and the need for an integrated energy system. Heritage Gas emphasizes the value of NSPI's evergreen IRP process and advocates for competitive alternatives to electricity to achieve cost-effective and sustainable energy solutions.

recognize the effort by NSPI to continue an open process, and look forward to the consideration of these comments reflected in the final IRP submission to the Board. Regards, HERITAGE GAS LIMITED John Hawkins Cc: M08929 Participants Nova S...

AI summary Heritage Gas Limited acknowledges NSPI's efforts in the IRP process and offers feedback on the draft Integrated Resource Plan, emphasizing the importance of collaboration for the success of HalifACT and grid decarbonization.

n the E3 scenarios the same in the corresponding IRP electrification scenarios? Nova Scotia Power IRP Final Report Appendix L Page 65 of 125

AI summary The text asks whether the E3 scenarios are the same as the corresponding IRP electrification scenarios, referencing Appendix L of the Nova Scotia Power IRP Final Report.

6. What would the impact on electricity demand be if the thermal and electrical energy demand of the existing building stock was reduced by 50% rather than by the levels assumed in the E3 scenario analysis? 7. If greater building efficienc...

AI summary The text presents a series of questions regarding the impact of energy efficiency and electrification on electricity demand, building energy expenditures, residential heating systems, and housing stock characteristics. It also inquires about scenarios involving accelerated efficiency and electrification, and the consistency of minimizing electricity rates with total energy service costs.

1 Page Nova Scotia Power IRP Final Report Appendix L Page 68 of 125 The “signposts” identified within the Report are key to determining which trajectory is followed particularly for wind capacity build-out through the next decade. Consider...

AI summary The response emphasizes the importance of clarifying key findings from the IRP Final Report, particularly the role of the electricity sector in facilitating decarbonization through electrification without increasing electricity rates. It highlights that this finding, though mentioned in the report, is not sufficiently emphasized in the summary.

hich is a win-win scenario. This is certainly mentioned within the report, but is somewhat buried in the text. It is a key point which should be highlighted in any summary of findings or conclusions. Key Finding 4 (page 22) The SDGA-compli...

AI summary The report highlights that the SDGA-compliant scenario 2.0C minimizes the cumulative present value of the annual revenue requirement over a 25-year horizon. However, the report argues that this metric does not fully capture the importance of maintaining affordability, as scenarios with higher electrification tend to lower rates and support emissions reduction goals. Scenario 2.1B, which uses a Distributed Resources strategy, is noted to have a significantly higher rate impact.

 The potential future value under new valuation or trading mechanisms.  Generally, being more environment-beneficial and supporting the climate-change agenda.  Demand growth: Monitoring electrification growth in Nova Scotia to understan...

AI summary The text discusses the importance of monitoring electrification growth in Nova Scotia and its impact on demand profiles and wind capacity planning. It emphasizes the need for clear plans and stakeholder engagement. It also highlights the differentiation in allowed wind capacity based on demand growth scenarios, noting that additional wind integration is only allowed in scenarios with batteries/synch comps or a second tie-line.

uctions and emissions that could be realized. Through these efforts, we hope to gain insight into the emissions-related impacts and implications of decisions and investments within the Town’s purview. In addition to its utility as a planni...

AI summary The text discusses Wolfville's climate change mitigation efforts, emphasizing that 80% of the town's GHG emissions come from stationary energy use. It highlights the importance of energy efficiency investments and the need for low- or zero-emission energy sources to meet climate targets, including those set by the IPCC and the Nova Scotia Provincial Government.

ecarbonizing the stationary energy sector; as the IPCC Draft Report acknowledges, “electrification of energy end uses in other sectors is an important tool to achieve deep decarbonization affordably.” Given this requirement, the Town of Wo...

AI summary The Town of Wolfville supports the 2020 Integrated Resource Plan (IRP) by Nova Scotia Power, which aligns with provincial decarbonization goals. The plan includes strategies for transitioning to a cleaner electricity grid and enabling electrification in other sectors like transportation and heating.

cure about 165 MW of firm imports, but a wide energy, either to meet load growth or to replace retiring range of near-term gas peaker procurements are resources. indicated. Battery storage should be included in the all-source The Company’s...

AI summary The text discusses the need for battery storage in the procurement process, noting that it could influence the value of other bids, particularly in relation to thermal retirements and the replacement of energy and capacity.

We encourage NS Power to acknowledge that province-wide benefits (such as reducing the carbon reduction pressure in other sectors) exist with electrification, to avoid creating the impression that rates should be a singular basis for decid...

AI summary The text encourages NS Power to recognize province-wide benefits of electrification, such as reducing carbon reduction pressure in other sectors, and emphasizes the need to update T&D cost forecasts and planning reserve margin findings in the IRP to support informed program investment decisions.

id emerge designed to create an impetus for clean growth in the (with characteristics reasonably similar to Nova Scotia), province, which gives NSPI the perfect opportunity to NS Power could assess this plan within the evergreen aggressive...

AI summary The text discusses NSPI's opportunity to pursue deep decarbonization in Nova Scotia and mentions the assessment of a plan within the evergreen framework. It references the Nova Scotia Power IRP Final Report Appendix L, Page 95 of 125.

Category Participant Comment NS Power Response provincial targets. As in other comparable jurisdictions, process, with a reasonable level of precision and the electricity sector is perceived as an enabler, which accuracy. has the capacity...

AI summary The electricity sector is seen as an enabler for decarbonizing other sectors like forestry and transportation. NS Power agrees with the need for regional interconnection, such as the Atlantic Loop, to transition off coal and accommodate new firm import capacity.

s high electrification levels will be most beneficial for the most beneficial for the province both in terms of province both in terms of environmental advantages environmental advantages and economic rate and economic rate implications in...

AI summary The text emphasizes the benefits of high electrification levels for Nova Scotia in terms of environmental and economic advantages in the long-term, while stressing the need to achieve this without reliance on natural gas. The provincial energy system is envisioned as a combination of clean imports, renewable electricity, storage, and demand-side management.

Category Participant Comment NS Power Response opportunities in a clean carbon economy may drive electrified loads as they materialize and has committed demand higher than forecast. This outcome would raise to monitor and further analyze t...

AI summary The document discusses concerns about future electricity demand exceeding forecasts and the potential role of offshore wind and distributed energy resources (DERs) in meeting this demand. NS Power acknowledges the need to monitor and assess these resources as part of their transitioning generation portfolio.

are challenging to cost-effectively electrify. These include heavy vehicle transportation, industrial and institutional processes. Therefore, in addition to the role of natural gas in supporting the transition of the electrical grid, the i...

AI summary The text discusses the role of natural gas infrastructure in supporting the transition of the electrical grid and reducing GHG emissions, with a focus on integrating the electrical grid with the natural gas pipeline network to increase reliability and lower energy costs. It also mentions the potential of hydrogen and renewable natural gas (RNG) in supporting the net-zero emissions target.

Category Participant Comment NS Power Response effectively manage peak demand, and lower costs to Nova Scotian energy ratepayers. Electrification Heritage Gas NSPI has noted its view that “electrification is a key Electrification is a cost...

AI summary Heritage Gas highlights the importance of electrification in supporting provincial decarbonization goals but notes that the IRP process focused only on the electric system and did not consider non-electric solutions. NS Power agrees that electrification is a cost-efficient enabler of decarbonization but emphasizes the uncertainty surrounding load growth assumptions and the need for a long-term transition away from coal.

Category Participant Comment NS Power Response Electrification HRM Are the electrification scenarios defined in the E3 study Please see the comments above. identical to the electrification levels in the IRP scenarios? For example, is the l...

AI summary The Halifax Regional Municipality (HRM) is inquiring about the alignment of electrification scenarios in the E3 study with those in the Integrated Resource Plan (IRP), the impact of reducing building energy demand by 50%, and the effects of increased building efficiency on energy expenditures in the context of decarbonization and electrification. NS Power refers to previous comments for responses.

Category Participant Comment NS Power Response other), and heating system efficiency for the base year, 2030 and 2045 for each of the IRP scenarios. Covid Impact HRM COVID economic recovery strategies are emphasizing Please see the comment...

AI summary The document includes questions from HRM regarding the impact of accelerated efficiency and electrification on energy costs and emissions, as well as the consistency of minimizing electricity rates with overall energy service costs. NS Power has committed to initiating a procurement strategy to gather local market pricing information.

Category Participant Comment NS Power Response We again emphasise that even if no monetary value is currently ascribed to lower emissions levels, it is worth highlighting that there is distinct value (even if not quantified) in lower emiss...

AI summary The participant emphasizes the value of lower emissions, even without monetary valuation, citing risk-weighting in the Integrated Resource Plan and potential future valuation mechanisms. NS Power highlights its commitment to incorporating best practices for monitoring electrification growth and decarbonizing transport.

Nova Scotia Deep potential electrification as a means to decarbonising Decarbonization report. Further, NS Power plans to transport and heat (as is being experienced on other develop and propose pilots and/or programs that focus countries)...

AI summary The document discusses Nova Scotia Power's plans to focus on electrification of transport and heat as a means to decarbonization, referencing a report that highlights the importance of wind capacity build-out. It emphasizes the need for a clear plan with target dates and stakeholder engagement, while noting that the pace of electrification will depend on technological development and government initiatives.

l be procurement process and will be utilized in that venue passed on to El to use in developing Energy Efficiency when the next procurement takes place. Additional (EE) strategies. It is unclear how this approach will be information from...

AI summary The document discusses the procurement process for energy efficiency (EE) measures, the use of information from the Integrated Resource Plan (IRP), and the role of the Energy Efficiency (EE) strategies in future procurement. It raises questions about how cost-effective EE measures will be procured and how guidance will be provided for their implementation.

sing a proposed retirement? What will be the decision metrics that will be used to determine retirement timing? Future steps / SBA Gas conversions: The draft IRP notes that coal-to-gas NS Power has committed to advancing the engineering Co...

AI summary The text discusses the proposed coal-to-gas conversions in Nova Scotia's Integrated Resource Plan (IRP) and the need for a framework to evaluate their economic viability. It raises concerns about potential stranded costs if non-emitting alternatives become more economical and asks about a breakeven point for switching to non-emitting options.

relevant work and sources of industry best practice. 2. Enables better grid management; and 3. Reduces negative environmental impacts.

AI summary The text highlights the benefits of relevant work and industry best practices, including improved grid management and reduced negative environmental impacts.

ngly throughout the IRP Final Report to avoid effectiveness” in Nova Scotia (i.e. a Total Resource Cost confusion. test of 1.0 or greater). P a g e 44 45 Nova Scotia Power IRP Final Report Appendix L Page 125 of 125 Category Participant Co...

AI summary Efficiency One comments on Nova Scotia Power's IRP Final Report, highlighting reduced greenhouse gas emissions at fossil power plants due to decreased unit utilization. NS Power responds that this has been updated for clarity in the report. The document also outlines a summary of stakeholder comments related to findings, action plans, and a roadmap.

appropriate policy, business, and analytic support for giving major role high-level strategic attention to electrification.’

AI summary The text emphasizes the need for appropriate policy, business, and analytic support to provide high-level strategic attention to electrification, highlighting its importance in energy planning and implementation.

CanREA No comment n/a EAC Supportive but should evaluate zero emissions cases: 2020-09-18; p. 1/5 -‘Nova Scotia’s Sustainable Development Goals Act is a 2020-11-13; p. 2/3 significant milestone in the province’s climate plans, and actions...

AI summary The EAC supports the Sustainable Development Goals Act but emphasizes the need to evaluate zero emissions scenarios. EfficiencyOne also supports the initiative, highlighting the importance of assessing the costs associated with zero emissions cases, including imports, sequestered carbon, and renewable energy.

Supportive: 2020-11-13; p.1/6 -‘EfficiencyOne strongly supports the goals and vision of the SDGA, and is well positioned to support its implementation. This legislation and achievement of net zero by 2050 was the cornerstone to much of the...

AI summary EfficiencyOne supports the SDGA and its goal of achieving net zero by 2050, which was a key factor in the analysis and modelling of the 2020 Integrated Resource Plan (IRP). Nova Scotia Power's IRP Final Report Appendix M includes a summary of stakeholder comments related to findings, action plans, and roadmaps.

FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE achieve lower emissions and reduce costs to the benefit of all ratepayers.’ JFS Hydrostor No comment n/a Natural Supportive: 2020-11-13; p. XX Forces -‘While this is almost certainly correc...

AI summary The stakeholder comments highlight the potential of the electricity sector to facilitate decarbonization of other sectors through electrification without increasing electricity rates. Natural Forces supports this view and emphasizes the need for significant transformation of the generation resource base to meet Nova Scotia’s emission reduction goals.

1a. Key pillars of economy-wide decarbonization AREA No comment n/a include greater reliance on non-emitting electricity CA See comments on overall Finding 1 n/a supplies, focused demand side management, and CanREA No comment n/a electrifi...

AI summary The text discusses key pillars of economy-wide decarbonization, emphasizing non-emitting electricity, demand-side management, and electrification. The EAC supports these strategies, highlighting long-term environmental and economic benefits but stresses the need to avoid reliance on natural gas and focus on clean energy solutions.

electrification of transport. This will help us align well with the principles of just recovery and sustainability. In addition, it is important to understand the avoided costs of max DSM and transport fuel in high electrification scenario...

AI summary The text emphasizes the importance of electrification of transport and its alignment with sustainability and just recovery principles. It also highlights the need to consider avoided costs of maximum DSM and transport fuel in high electrification scenarios for future studies. Key pillars of economy-wide decarbonization include reliance on non-emitting electricity, demand-side management, and electrification of fossil fuel-dependent end uses.

FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE The IRP rate analysis demonstrates the importance of managing the relative growth of peak and energy requirements, highlighting the need to pursue beneficial electrification. Two key points...

AI summary The text highlights the importance of managing the growth of peak and energy requirements through beneficial electrification to achieve sustainability goals and minimize costs. It emphasizes the role of electrification in replacing fossil fuel reliance and its significance in energy efficiency and conservation efforts.

Town of See comment on overall Finding 1. Wolfville 1b. Increased electricity sales due to electrification AREA No comment n/a can help to reduce upward pressure on electricity CA Supportive but with recommendations for 2 adjustments to 20...

AI summary The text discusses the impact of increased electricity sales due to electrification on electricity rates and carbon reduction. It highlights the importance of managing peak demand and energy requirements, and supports Nova Scotia Power's approach to rate impacts in the IRP while suggesting adjustments to the calculation of fixed cost recovery.

Municipality Henricks No comment n/a Heritage See comments on overall Finding 1. n/a JFS Hydrostor No comment n/a Natural -‘CO2 levels vary widely between scenarios. There is a wide 2020-09-18; p.3/9. Forces variation in the CO2 levels (bo...

AI summary Stakeholder comments on Nova Scotia Power's IRP Final Report highlight varying CO2 levels across scenarios, emphasizing the value of lower emissions despite challenges in monetization. Some stakeholders provided no comment, while others referenced specific pages of the document for further details.

FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE a) as a risk mitigation strategy against upward pressure on emissions levels from additional demand growth, or further downward revisions in emission targets; and, b) as can be observed fro...

AI summary The text discusses the importance of lowering the carbon intensity of the electricity sector to promote electrification in other sectors, reduce electricity rates, and support emissions policy objectives. It also suggests that differences in CO2 levels should be clearly highlighted for stakeholder consideration.

FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE ratepayers, and draft findings statement 2 echo the same. At the same time, the Reliability Tie is a welcome move, which would strengthen the province’s grid further. However, it is not sho...

AI summary The stakeholder comments highlight the importance of the Reliability Tie in strengthening the province’s grid and transitioning off coal. They also mention the need for fully replacing coal generation with interconnection infrastructure and clean firm imports, emphasizing the role of wind energy and the potential of regional interconnection projects like the Atlantic Loop.

the Short-Term Action Plan, including the treatment of plant retirements, economic retirement of one coal unit in the near demand response, and DSM avoided cost calculation term, as early as 2023, and some plans see economic methods.’ reti...

AI summary The text discusses the economic retirement of coal units in Nova Scotia, with one unit potentially retiring as early as 2023 and a second by 2030. It highlights the need for new capacity to offset retiring coal units, lower carbon emissions, and meet growing electricity demand. The text also mentions exploring alternatives to transmission connections, such as acquiring more wind resources and retiring steam plants sooner to reduce costs.

nts sooner and acquire more wind resources, while reducing costs to customers.’ CanREA No comment n/a EAC Supportive and need to consider additional value outside of 2020-09-18; p. 2/4,3/4. the model associated with 2030 retirement date: 2...

AI summary The document outlines stakeholder comments on Nova Scotia Power's Integrated Resource Plan (IRP), including support for accelerating coal phase-out and acquiring more wind resources. The Electric Efficiency Advisory Council (EAC) supports the plan but highlights the need to consider additional value beyond the model associated with the 2030 coal phase-out date.

accelerated phase-out of coal by 2030 would be a favorable long-term strategy for the province and its peoples. -“The EAC believes that Nova Scotia still has an opportunity to set long-term ambition and commit to phasing out coal- fired el...

AI summary The Electricity Advisory Council (EAC) supports an accelerated phase-out of coal by 2030, emphasizing the need to ensure that vulnerable groups, including low and middle-income Nova Scotians, Indigenous communities, and coal workers, benefit from the transition. Other entities did not provide comments.

FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE PHP No comment n/a SBA No comment n/a Town of No comment n/a Wolfville 2e. DSM energy efficiency programs and costs in the AREA No comment n/a range of the “Base” profile, per the Efficienc...

AI summary The document discusses the economic benefits of DSM energy efficiency programs under the 'Base' profile, as evaluated by the EfficiencyOne 2019 Potential Study. It highlights that these programs are most cost-effective compared to other options, with a focus on peak demand mitigation. The stakeholder CA supports the need for NS Power to revise its relative rate impact analysis.

FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE PHP No comments n/a SBA No comments n/a Town of No comments n/a Wolfville 3b Nova Scotia Power’s existing combustion AREA No comments n/a turbine resources provide economic benefit to CA Su...

AI summary Nova Scotia Power's combustion turbine resources are deemed economically beneficial and sustainable through the planning horizon with current levels of capital investment. The Electric Resource Assessment Model (RII) recommends further evidence in the FAM audit proceeding regarding the performance of these resources.

• Provide further evidence in the FAM audit proceeding regarding the performance of its refurbished diesel combustion turbine units; • Provide to RII and other interested stakeholders data comparing the modeled operational profile (capacit...

AI summary The document outlines several requests for further evidence and evaluation related to the performance of diesel combustion turbine units, the operational profile of these units, the sustaining capital forecast for the diesel CT fleet, and the re-evaluation of CT economics as storage costs decrease and fuel costs increase. The EAC expressed concern regarding long-term fossil-based investments.

2 Electrification is a key variable in this IRP and results CA Supports: 2020-11-16; p.10/21- indicate that under economic resource plans it can -‘NS Power is to be commended for making 11/21 support provincial decarbonization while reduci...

AI summary Nova Scotia Power's Integrated Resource Plan (IRP) emphasizes electrification as a key strategy for decarbonization while maintaining rate stability. The plan includes an Electrification Strategy with proposed actions, though recommendations suggest adding a pilot proposal step to the short-term action plan.

cost that might be tolerable for its customers to bear to promote electrification. As noted in the draft findings, “Increased electricity sales due to electrification can help to reduce upward pressure on electricity rates while facilitati...

AI summary The text discusses the potential cost of promoting electrification and its impact on electricity rates, noting that increased electricity sales can help reduce upward pressure on rates while supporting carbon reductions. The design and costing of programs related to electrification are outside the scope of the Integrated Resource Plan (IRP).

whole can be captured in a total resource cost test. While this is clearly beyond the scope of the IRP, we encourage NS Power to acknowledge – perhaps with an illustrative graph – that these benefits exist, to avoid creating the impression...

AI summary The text discusses the importance of acknowledging the benefits of electrification beyond rate considerations, suggesting the use of a definition and principles from the Regulatory Assistance Project (RAP). It also mentions the potential role of EfficiencyOne in administering electrification initiatives.

ACTION PLAN ITEM STAKEHOLDER STAKEHOLDER COMMENT REFERENCE 4. Development of an electrification strategy as defined in the IRP action plan must take place as part of stakeholder-driven process.’ SBA Supports: 2020-09-18, p. 3/3 -‘Increased...

AI summary The text discusses the development of an electrification strategy as part of the Integrated Resource Plan (IRP) action plan, emphasizing a stakeholder-driven process. SBA supports increased electrification and advanced technology to help NSP manage challenges from non-dispatchable resources. Heritage supports continued study of transmission and distribution (T&D) costs.

c Suggests availability (sale) of carbon allowances may affect 2020-11-13; p. 12/16 emissions reductions shown in the IRP results) can be selection of a lowest cost plan; supports monitoring incorporated into long-term resource planning de...

AI summary The text discusses the importance of considering carbon allowance availability in long-term resource planning, the need to monetize benefits of lower emissions, and the monitoring of electrification growth in Nova Scotia. It also highlights the need for refining the Action Plan and Roadmap through an ongoing Integrated Resource Plan (IRP) process.

...................................................................5 3.2. Synapse PLEXOS Modeling ............................................................................................. 12 4. COMMENTS AND RECOMMENDATIONS ON KEY FINDI...

AI summary Synapse was engaged by the Nova Scotia Utility and Review Board Counsel in 2019 to analyze Nova Scotia Power Inc.'s 2020 Integrated Resource Plan (IRP). The work included reviewing pre-IRP studies, collaborating on scenario development, using PLEXOS modeling, and evaluating NSPI's assumptions about load forecasts, wind power costs, transmission issues, and energy efficiency/demand response alternatives.

II. Summary One of the outcomes of the IRP process is an understanding by several participants, such as Bates White, Synapse, Efficiency One, and Resource Insight, that a number of improvements to NS Power's planning and procurement proces...

AI summary The summary outlines recommendations for NS Power's Integrated Resource Plan (IRP), including adding an RFP for 700 MW of wind by 2025, integrating transmission and reliability measures, requiring updated modeling for Mersey hydro, recognizing electrification benefits, supporting FAM audit studies, incorporating CO2 shadow prices, and establishing an 'evergreen IRP process.'

Beyond Coal Campaign Mandate The Sierra Club Canada Foundation (SCCF) is a national registered charity that includes four chapters. In December 2020, The Atlantic Chapter launched a "Beyond Coal Atlantic" campaign which seeks to expedite t...

AI summary The Sierra Club Canada Foundation's Atlantic Chapter launched the 'Beyond Coal Atlantic' campaign to retire fossil fuel and biomass energy generation, promoting renewable energy, efficiency, and clean electricity imports. The campaign emphasizes a just and inclusive energy transition to address existing inequalities.

- (1) Work with key stakeholders (including neighbouring provinces) to co-develop, revisit, and expedite timelines - (2) Factor environmental and health costs into modelling scenarios, and produce an amended roadmap and action plan that: -...

AI summary The text outlines three key actions: collaborating with stakeholders to develop and expedite energy transition timelines, factoring environmental and health costs into modelling scenarios and revising the roadmap to prioritize renewable energy and performance-based regulations, and creating a social policy to subsidize energy bills for those in energy poverty and support a just energy transition.

4. Consider Full Costs, Benefits of All Investment Alternatives Consider the full costs and benefits of all investment alternatives, including firm import capacity; transmission expansion; demand-side management; additional domestic and ex...

AI summary The NSUARB recommends evaluating all investment alternatives, including renewable energy, transmission expansion, and demand-side management. NSPI's IRP modeling comprehensively considered these options, including renewables, imported power, and energy storage, demonstrating responsiveness to the recommendation.

Electrificatio n Finding (1b) Action Plan (2) (2a) Roadmap (7) (8) Electrification futures are uncertain and have a significant impacton resource portfolio optimality. We wish, here, to underscore the level of uncertainty associated with e...

AI summary The text discusses the uncertainty surrounding electrification in Nova Scotia's heating and transportation sectors, emphasizing the impact on resource portfolio optimality. It highlights the influence of provincial policy, rate design, and the need for NSPI to adapt its investment strategies as electrification data becomes available.

AVOIDED COSTS — METHODOLOGY FOR CAPACITY & ENERGY ALLOCATION CATEGORY ENERGY ALLOCATION CAPACITY ALLOCATION New Build - Capital Costs Non dispatchable renewables 1- marginal ELCC % Marginal ELCC % Battery/Storage 1- marginal ELCC % Margina...

AI summary The document outlines a methodology for allocating avoided costs between energy and capacity, using metrics such as Equivalent Load Carrying Capability (ELCC) and System Load Factor (LF). Different categories of resources, including renewables, storage, and transmission, are assigned varying percentages of energy and capacity allocation.

- Confirm costs and achievable potential for incremental energy efficiency. As seen, energy\nefficiency displaces higher cost energy sources in the province (gas, oil, imports) and the IRP must fully reflect this resource option. [Note tha...

AI summary The document outlines key considerations for Nova Scotia's Integrated Resource Planning (IRP), emphasizing energy efficiency, demand response, battery storage, thermal fleet costs, and wind integration. It highlights the need for EfficiencyOne to file a DSM Potential Study by July 2019, cost analysis for demand-side resources, battery storage economics, sustaining capital costs for thermal plants, and technical requirements to increase wind capacity on NSPI's system.