Topic/Matter Intersection

Topic:"Demand Side Management" in M10569

Matter: P-194 - Nova Scotia Power Inc. (NSPI) - 2022 Load Forecast Report
319 passages 21 documents

Demand Side Management across all matters →

N-12022 Load Forecast Report - Redacted 93 passages
Section 3
1 TABLE OF CONTENTS 2 3 1.0 Executive Summary ............................................................................................................. 7 4 2.0 Introduction .................................................................

AI summary The text is a table of contents from a regulatory proceeding document, outlining sections such as forecasting approach, historical energy data, weather, economic information, price data, and sector-specific analyses (residential, commercial). It structures the report's content without discussing specific claims or arguments.

Section 12
............................................ 67 16 Figure 44: Historical and Forecast Annual Small General Sales .................................................. 68 17 Figure 45: Historical and Forecast Annual General Demand Sales .........

AI summary The text lists figures related to historical and forecasted energy sales, demand, peak contributions, and system reliability metrics, including demand response, peak temperatures, and system/firm peak forecasts. No explicit arguments or claims are presented in the excerpt.

Section 13
k (including DR) ..................................................... 84 30 Figure 58: Peak Contribution Components (MW)........................................................................ 85 DATE: April 29, 2022 Page 4 of 98 REDACTED...

AI summary The 2022 Load Forecast Report includes figures analyzing peak demand contributions, forecast accuracy, weather-normalized firm peak data, residential and commercial end-use peak shares, load research data comparisons, energy/peak sensitivity, and Integrated Resource Plan (IRP) scenario comparisons, focusing on load forecasting methodologies and demand response integration.

Section 17
residential and commercial rate classes. The SAE models explicitly 27 incorporate end-use energy intensity projections into the Load Forecast. End-use energy 28 forecasts derived from the residential and commercial SAE models are then comb...

AI summary The 2022 Load Forecast Report projects a 0.3% annual increase in Net System Requirement (NSR), driven by near-term customer growth, EV adoption, and hospital expansions, offset by long-term DSM initiatives and solar installations. Forecasts incorporate SAE models for residential/commercial end-use and econometric industrial projections.

Section 18
ecast annual increase of 0.3 percent. 14 Annual historic and forecast NSR are shown below in Figure 1. 15 16 Figure 1: Historical and Predicted Annual Net System Requirement 17 18 DATE: April 29, 2022 Page 8 of 98 REDACTED (CONFIDENTIAL IN...

AI summary NS Power forecasts a 0.3% annual increase in net system requirement and 1.6% annual growth in system peak demand, driven by customer growth and electric heating, partially offset by demand-side management (DSM) activities. Historical and projected data are visualized in Figures 1-3.

Section 27
may increase the complexity of the model without improving accuracy. However, 24 given the ranges in weather event occurrences throughout the province, the Board 25 directs NS Power to incorporate more weather station data into future load...

AI summary The Board directs NS Power to enhance load forecasts by incorporating more weather station data using a load-weighted approach. NS Power acknowledges intervenors' requests but cites preliminary results from Smart Grid and Water Heating Demand Response projects. The Board mandates reporting these project impacts on load in the 2022 Load Forecast and encourages inclusion of literature sources in future forecasts.

Section 30
were evaluated and what was incorporated into the 23 forecast early in the process. 24 25 In accordance with the Board’s direction, NS Power revised and enhanced the 2022 Load 26 Forecast in the following manner: 27 28 • The peak design te...

AI summary NS Power revised the 2022 Load Forecast per the Board’s direction, incorporating historic temperature data, warming trends, population-weighted weather analysis, and summaries of Smart Grid/Demand Response projects. System peak accuracy was added to Appendix C, with references to Sections 4.2, 10, and other documentation.

Section 31
Page 13 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 • A discussion of the economic inputs to the residential model is provided in Section 2 4.3. 3 4 Summary of Stakeholder Consultations 5 6 On Apr...

AI summary NS Power conducted a stakeholder session on April 13, 2022, discussing updates to the 2022 Load Forecast, including impacts of COVID-19, EV forecasts, space heating, peak savings assumptions, and methodology from Energy and Environmental Economics, Inc. Stakeholders included NSUARB, Synapse, EfficiencyOne, and others.

Section 51
21, pages 6 (M10109). DATE: April 29, 2022 Page 29 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Both retail sales and disposable income show distinct impacts from COVID, while 2 household compensat...

AI summary The document discusses the impact of economic factors like retail sales, disposable income, and work-from-home activity on residential load forecasts. It highlights the use of housing completions as a key indicator for residential customer forecasts, referencing a decision by the NSUARB to re-evaluate this approach due to population growth and housing shortages.

Section 52
2022 Load Forecast Report REDACTED 1 Figure 16: Yearly Change in Customers, Population, and Housing Completions 2 3 4 5 In the commercial models, non-manufacturing gross domestic product (GDP) and non- 6 manufacturing employment continue t...

AI summary The 2022 Load Forecast Report discusses the use of economic drivers in forecasting load demand, including GDP and employment data for residential, commercial, and industrial sectors. The industrial models use longer regression timescales to improve the relevance of economic variables and model fit.

Section 56
CTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 18: Commercial Economic Drivers 2

AI summary The document presents a redacted section of the 2022 Load Forecast Report, focusing on commercial economic drivers as illustrated in Figure 18. The content is partially redacted, with confidential information removed.

Section 70
REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 24: Heat Pump Forecast 2 Total Overall % Install Overall % Overall % Overall Cooling Cumulative % Install Heating Year Non-Elec. Sat. for Sat. for Inte...

AI summary The 2022 Load Forecast Report includes a table forecasting heat pump installations from 2022 to 2032, detailing cumulative installations, percentages of non-electric and electric heat, and energy consumption metrics such as heating and cooling intensity.

Section 71
2,204 81 324 3 4 DATE: April 29, 2022 Page 40 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Water Heaters 2 3 NS Power anticipates that some customers who convert their oil heating systems to heat 4...

AI summary NS Power expects increased adoption of electric water heaters due to conversions from oil heating systems to heat pumps. The 2019 survey indicates 63% of respondents use electricity for water heating, with saturation expected to rise to 82% by 2032. A pilot project with E1 is exploring benefits of direct control of water heaters.

Section 72
benefits to the system (see Section 10). Figure 25 shows the expected changes in 11 saturation and overall intensity over the forecast period. 12 13 Figure 25: Water Heater Forecast 14 Overall % Overall Intensity Year Saturation (kWh/house...

AI summary The text discusses the forecasted changes in water heater saturation and intensity over the forecast period, as well as the existing federal and provincial incentives for electric vehicles (EVs) in 2022. It provides data on saturation percentages and overall intensity in kWh per household from 2022 to 2032.

Section 73
Page 41 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 used plug-in hybrid vehicles. It is estimated that there were approximately 950 EVs in the 2 province as of the end of 2021. The EV forecast has...

AI summary The 2022 Load Forecast Report estimates that Nova Scotia will have over 75,000 EVs on the road by 2031, driven by provincial and federal targets. This includes light-duty, medium-duty, and heavy-duty vehicles, with the forecast updated to reflect a 30% EV sales target by 2030 and a 100% target by 2035.

Section 74
e 42 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 charging. E3 provided estimates of total load and normalized per-vehicle electric vehicle 2 load shapes over the course of the year based on E3’s E...

AI summary The 2022 Load Forecast Report discusses E3's estimation of total load and normalized per-vehicle electric vehicle load shapes in Nova Scotia using a bottom-up modeling approach. The report includes a figure showing EV load and peak demand contribution based on these estimates.

Section 76
urrently in the pilot stage, 12 Based on the NRCan 2009 Canadian Vehicle Survey Summary Report, https://oee.nrcan.gc.ca/publications/statistics/cvs/2009/appendix-1.cfm?graph=11 DATE: April 29, 2022 Page 43 of 98 REDACTED (CONFIDENTIAL INFO...

AI summary The document discusses the impact of electric vehicles (EVs) on Nova Scotia's grid, noting that data is being collected through the Smart Grid Nova Scotia (SGNS) Project. The project includes the installation of EV smart chargers and vehicle-to-grid smart chargers to study the effects of EV charging and utility-managed charging events.

Section 77
thout mitigation measures, which 16 assumes an average of 1.3 kW/vehicle, or around 20-30 percent charging on peak 17 depending on the mix of vehicle and charger types. 18 13 Smart Grid Nova Scotia Project, NS Power Application, December 5...

AI summary The text discusses the impact of electric vehicles (EVs) on energy and peak load forecasts, assuming an average of 1.3 kW per vehicle and 20-30% charging during peak hours, depending on vehicle and charger types. It references a 2019 application by NS Power related to the Smart Grid Nova Scotia Project.

Section 79
Peak @ Peak @ Load Year EVs 0.9kW/vehicle 1.3kW/vehicle (GWh) (MW) (MW) 2022 2,864 12 2 4 2023 5,978 26 5 8 2024 10,258 48 9 14 2025 15,680 76 14 21 2026 22,232 110 20 30 2027 29,908 153 27 40 2028 38,671 204 35 52 2029 48,465 259 45 66 20...

AI summary The text provides a forecast of peak load and electric vehicle (EV) growth from 2022 to 2032, along with information on solar generation in Nova Scotia. It highlights the discrepancy between forecasted and actual solar installations and their impact on residential load reduction.

Section 84
Total New Year Load (GWh) Peak (MW) Installs 2022 2,610 -24 0 2023 3,947 -36 0 2024 5,351 -49 0 2025 6,825 -63 0 2026 8,505 -78 0 2027 10,420 -95 0 2028 12,604 -115 0 2029 15,093 -138 0 2030 17,931 -164 0 2031 20,724 -185 0 2032 23,069 -20...

AI summary The document discusses the projected load growth from 2022 to 2032, noting that distributed solar and battery storage combinations are not significantly assumed in the 2022 Load Forecast. It highlights the high cost of home batteries compared to gas generators, with the latter being more cost-effective for backup power. New pricing mechanisms like CPP and TOU may encourage battery use, but current costs remain high.

Section 87
1 The impact of battery storage is being explored through the SGNS project, which will 2 include data collection from both stand-alone battery backup and PV/battery combinations. 3 EV smart charging and using EV batteries (vehicle-to-grid,...

AI summary The SGNS project is exploring the impact of battery storage, including stand-alone and PV/battery combinations, as well as EV smart charging and V2G technology. While V2G is still in development, some vehicles already offer the capability. Early data from the project is being used to estimate potential peak impact mitigation from battery uptake.

Section 88
oject. 19 These are illustrative estimates based on limited data sets and will be refined as the project 20 continues. 21 22 Figure 30: Potential Peak Impacts from Batteries 23 Residential Share (%) Technology 50% 25% 10% 5% Battery Peak I...

AI summary The document provides illustrative estimates of potential peak impacts from battery technologies under different control scenarios, including no control and optimal demand response control, as part of the 2022 Load Forecast Report.

Section 90
1 Battery peak estimates are based on the 5 kW batteries utilized in the SGNS project. 2 3 The impacts of technologies related to direct load control (DLC) of heating and hot water 4 loads are discussed in Section 10. 5 6 Intensities 7 8 F...

AI summary The text discusses battery peak estimates from the SGNS project and outlines residential end-use intensities, including categories like heating, cooling, and lighting. It also mentions the modeling of PV and EV outside of regression analysis and references sections and appendices for further details.

Section 91
ell as smaller appliances such as computers, dehumidifiers, 28 microwaves, etc. This category also includes solar generation (photovoltaic or PV) 29 and EV forecasts. 30 DATE: April 29, 2022 Page 49 of 98 REDACTED (CONFIDENTIAL INFORMATION...

AI summary The document discusses residential and commercial end-use intensities, including trends in heating, cooling, and appliance usage. It highlights the increasing use of heat pumps and the impact on energy demand, as well as the slow decline in lighting and refrigeration due to improved efficiency. Supporting data is referenced in an attachment.

Section 92
. The end uses listed include: 19 DATE: April 29, 2022 Page 50 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 • Heat: electric heating 2 • Cool: air conditioning 3 • Vent: ventilation 4 • EWHeat: ele...

AI summary The document provides a list of end uses for electricity in commercial settings, including heating, cooling, ventilation, and various other loads. It also references figures and attachments that include historical and projected end-use intensities for small general and general commercial sectors.

Section 93
2022 Load Forecast Report REDACTED 1 Figure 33: Historical and Projected General Commercial End-Use Intensity 2 (kWh/m2) 3 4 5 Supporting data for General commercial end-use intensities is included in Attachment 3. 6 7 For the 2022 Load Fo...

AI summary The 2022 Load Forecast Report discusses historical and projected general commercial end-use intensity, noting increased heat pump penetration. It highlights growth in the commercial and industrial sectors due to electrification programs aimed at reducing emissions and energy usage.

Section 94
of 2 electricity while providing benefits to the system (such as through the interruptible rider). 3 4 Figure 34: Commercial and Industrial Electrification Forecasts (cumulative) 5 Coinc. SmGen GenDemand LrgGen SmInd MedInd LrgInd Year Pea...

AI summary The text presents a table showing forecasts for commercial and industrial electrification from 2022 to 2032, with data on electricity generation and demand across different sectors. The data includes cumulative values for various categories such as small generation, generation demand, and large industrial consumption.

Section 97
e 55 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED

AI summary The 2022 Load Forecast Report provides an analysis of electricity demand trends, incorporating factors such as heating and cooling degree days, and outlines the projected load requirements for the year.

Section 98
1 4.6 Demand Side Management 2 3 Demand Side Management (DSM) and conservation plans continue to play a role in the 4 use of electricity in Nova Scotia, and the forecast takes the projected energy and demand 5 savings into account. NS Powe...

AI summary The document discusses Demand Side Management (DSM) in Nova Scotia, highlighting the use of DSM targets approved by the Board in matter M09096. It explains the challenges of double-counting DSM savings in forecasting models and the approach to address this issue by incorporating historical DSM savings.

Section 99
To address the issue of double counting, the approach used is the same as that used in prior 24 forecasts: to introduce cumulative historical DSM savings as reported by E1 to the 25 regression model as a load modifying variable, and allow...

AI summary The text discusses the approach to address double counting in load forecasts by using cumulative historical DSM savings as a load modifying variable in a regression model. It references prior regulatory decisions and filings related to DSM resource plans and efficiency programs.

Section 100
Page 56 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED

AI summary The 2022 Load Forecast Report provides an analysis of projected electricity demand, including factors such as heating and cooling degree days, and includes redacted confidential information.

Section 101
1 forecast DSM. This does not imply that a portion of DSM activities is not taking place or 2 that forecast DSM is overstated; rather, it is a way of accounting for DSM that is captured 3 elsewhere in the forecast. The methodology is not s...

AI summary The text discusses the methodology for forecasting Demand Side Management (DSM) and its impact on residential and commercial/industrial load models. It explains how historical DSM data improves model accuracy and highlights the percentage of DSM savings captured by other variables in the forecast.

Section 102
ured by other variables. DSM impacts are not provided for 22 Commercial and Industrial customers by rate class or by month, so by creating a combined 23 model for these classes, the level of uncertainty around allocating historical DSM sav...

AI summary The 2022 Load Forecast Report discusses the impact of Demand Side Management (DSM) on load forecasting, noting a reduction in uncertainty by combining Commercial and Industrial customer data. The DSM variable coefficient is -0.38, indicating future load forecasts should be adjusted by 38% of forecast DSM amounts.

Section 103
REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 36: Annual Forecast DSM Savings (incremental) 2

AI summary The text references Figure 36 from the 2022 Load Forecast Report, which presents annual forecasted DSM (Demand Side Management) savings in an incremental format. The figure is redacted, so specific details about the savings or methodology are not visible.

Section 104
Year Forecast Forecast DSM captured DSM captured DSM DSM Residential Commercial by Residential by Comm/Ind Adjustment for Adjustment for DSM and Industrial end use end use Residential with Comm/Ind with savings DSM savings forecast forecas...

AI summary The text presents a table showing DSM captured savings and adjustments for residential and commercial/industrial sectors across multiple years. It also notes that the methodology for determining the DSM coefficient is limited to consistent levels of DSM in historical data.

Section 105
used to determine the DSM coefficient only works for levels of DSM 5 that have been relatively consistent throughout the historical data set and does not imply 6 that only a portion of future DSM will impact sales. If forecasts for DSM cha...

AI summary The text discusses the methodology used to determine the DSM coefficient, noting that it works only for consistent historical levels and may require revision if future DSM forecasts change significantly. It suggests treating incremental DSM levels above historical norms as not embedded in forecast variables.

Section 108
Page 59 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 forecast is that there will be a certain amount of continued work-from-home load, likely 2 through hybrid work models. 3 4 Apart from the shift...

AI summary The 2022 Load Forecast Report discusses the impact of increased work-from-home trends, higher EV penetration, and electric space heating on long-term load forecasts. These factors are expected to influence load patterns starting around 2025, with new customer growth offsetting some efficiency gains and solar generation.

Section 114
Year Regression New Solar EV RTR DSM Total Total DSM Model Customers Impact Impact Sales Adjustment Sales Res. captured by Output (GWh) (GWh) (GWh) (GWh) (GWh) (GWh) DSM end uses 24 25 (GWh) (GWh) (GWH) 2022 4,704 56 -31 12 0 -25 4,715 -50...

AI summary The text presents a table showing energy-related metrics over the years, including regression model outputs, new customers, solar and EV impacts, RTR sales, DSM adjustments, and total sales. The data reflects trends in energy usage and demand-side management from 2022 to 2032.

Section 115
-281 4,862 -549 -268 2031 4,730 268 -160 403 -3 -315 4,922 -616 -300 2032 4,764 282 -176 510 -3 -349 5,027 -681 -332 3 4 Figure 41 provides an approximation of the heat pump heating, heat pump cooling, electric 5 baseboard, and water heate...

AI summary The text discusses the methodology used to approximate system-level loads from heat pumps, electric baseboard heating, and water heaters using regression models and data from the 2020 Load Forecast. It notes that these numbers are illustrative and do not include DSM amounts or account for potential differences in how X variables apply to various end uses.

Section 116
RMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 41: Illustrative Contribution of Specific End Uses 2 Year HP Heat HP Cool Baseboard Heat Water Heat (GWh) (GWh) (GWh) (GWh) 2022 607 74 1096 710 2023 656 81 1059 725 2024 705 87...

AI summary The 2022 Load Forecast Report provides an illustrative breakdown of energy consumption by specific end uses, including heat pump heating and cooling, baseboard heating, and water heating, across the years 2022 to 2032. The data shows projected trends in energy usage for these categories over time.

Section 118
1 6.0 COMMERICAL SECTOR 2 3 The Commercial SAE model creates a unique forecast for the Small General and General 4 rate classes. Like the residential model, the commercial SAE models express monthly sales 5 as a function of heating, coolin...

AI summary The Commercial SAE model forecasts energy use for the Small General and General rate classes in Nova Scotia, factoring in heating, cooling, and other loads. The model uses end-use intensity projections, GDP, employment, and weather data. The impact of the pandemic on commercial sales was moderate, with a rebound expected in 2022.

Section 120
TION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 43 Commercial Sales vs Economic Indicators 2 3 4 5 6.1 Small General Service 6 7 Historical and forecast Small General service loads are shown in Figure 44. Small General 8 service...

AI summary The 2022 Load Forecast Report discusses historical and forecasted Small General Service loads, noting an average annual increase of 0.5 percent. Commercial electrification is expected to add 18 GWh by 2032, but this will be offset by demand-side management (DSM) and decreased intensity forecasts for ventilation, lighting, and miscellaneous end uses.

Section 121
ED) 2022 Load Forecast Report REDACTED 1 Figure 44: Historical and Forecast Annual Small General Sales 2 3 4 5 Please refer to Appendix B for tables with a detailed breakdown of the changes from 2022 6 to 2032. Total change between 2022 an...

AI summary The 2022 Load Forecast Report indicates a 5.5 percent increase in total load from 2022 to 2032. General class load is projected to decline by 0.4 percent annually over the 10-year forecast period, with increased space heating partially offset by demand-side management (DSM) programs and improved efficiency in lighting and miscellaneous end uses.

Section 122
2022 Load Forecast Report REDACTED 1 Figure 45: Historical and Forecast Annual General Demand Sales 2 3 4 5 Please refer to Appendix B for tables with a detailed breakdown of the changes from 2022 6 to 2032. Total change between 2022 and 2...

AI summary The 2022 Load Forecast Report indicates a projected 3.7% decrease in total demand from 2022 to 2032. The Large General Service class remained unchanged from 2020 due to the impacts of the COVID-19 pandemic, with decreased sales in sectors like retail, office, university, and transportation. Customer surveys and historical data are used to forecast demand, with flat load levels assumed in the absence of survey data.

Section 123
98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 annual survey: two indicated no change, four indicated a decrease, seven indicated an 2 increase. Growth in this class is expected to be driven by institut...

AI summary The 2022 Load Forecast Report discusses the expected increase in electricity demand, driven by institutional facilities, particularly hospital expansions in Halifax and Sydney. The forecast projects an increase of approximately 50 GWh by 2032.

Section 126
2022 Load Forecast Report REDACTED 1 Figure 48: Historical and Forecast Annual Medium Industrial Sales 2 3 4 5 7.3 Other Industrial Rate Classes 6 7 Other Industrial rate classes include Large Industrial, Large Industrial Interruptible, 8...

AI summary The report discusses the forecasting of load for various industrial rate classes, including Large Industrial and Extra Large Industrial, using customer surveys and historical sales data. Survey responses indicate mixed expectations for energy consumption changes, with some customers expecting increases, decreases, or no change.

Section 128
Page 74 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED

AI summary The document presents the 2022 Load Forecast Report, which includes confidential information that has been redacted. The report likely discusses electricity demand projections for the year 2022.

Section 131
ith energy exports are not included. Figure 51 provides a breakdown of the 7 significant variances between forecast and actuals for 2021. 8 9 Figure 51: 2021 Variance to Actual 10 Res Comm Ind Other Losses NSR 2021 Forecast 4,718 3,070 2,4...

AI summary The document discusses the 2021 variance between forecast and actual energy usage, noting significant differences driven by weather impacts and unexplained variances, particularly in residential and commercial classes due to ongoing effects of COVID-19. It also forecasts an annual increase in NSR from 2022 to 2032, driven by new customers, space heating, and EV adoption, with solar and DSM offsetting some sales.

Section 132
AL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 52: Historical and Forecast Annual NSR 2 3 4 5 Figure 53 provides a breakdown of the various components of the change in the forecast 6 from 2022 to 2032. Data for all cla...

AI summary The 2022 Load Forecast Report provides historical and forecast data on Net System Requirement (NSR) and its components, including residential, commercial, industrial, and other load categories, from 2022 to 2032. It details factors influencing the forecast, such as new customers, solar adoption, electric vehicle growth, and demand-side management (DSM) impacts.

Section 133
1,519 Total DSM forecast -681 -574 -102 -7 -124 -1,487 DSM captured in underlying -358 -377 -46 -4 -68 -853 models 3 DATE: April 29, 2022 Page 79 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED

AI summary The text provides a portion of a 2022 Load Forecast Report, including a table with DSM forecast data and a redacted section. It highlights the difference between total DSM forecasts and those captured in underlying models, with figures showing a decrease over time.

Section 135
1 10.0 PEAK DEMAND 2 3 The total system peak is defined as the highest single hourly average demand experienced 4 in a year. It includes both firm and interruptible loads. Due to the weather-sensitive load 5 component in Nova Scotia, the t...

AI summary The text defines total system peak demand and explains how NS Power forecasts peak demand using an end-use approach. It includes peak mitigation strategies such as EVs and demand response (DR) activities, referencing the 2020 Integrated Resource Plan (IRP) and DSM Potential Study. DR programs like Direct Load Control and Critical Peak Pricing are highlighted.

Section 136
nt. The achievable potential of these programs was used in the 25 Load Forecast. NS Power's IRP action plan has targeted 75 MW of capacity for DR 26 deployment by 2025. The estimates in the Load Forecast have been moved back by one 27 year...

AI summary The Load Forecast Report discusses the achievable potential of demand response (DR) programs, aligning with NS Power's Integrated Resource Plan (IRP) target of 75 MW of capacity by 2025. The forecast uses an effective load carrying capacity (ELCC) of 48% to account for intermittency, with reassessment planned as more data is gathered.

Section 137
2022 Load Forecast Report REDACTED 1 Annual DR totals by program are provided in Figure 54. 2 3 Figure 54: Demand Response 4

AI summary The text references Figure 54, which provides annual Demand Response (DR) totals by program from the 2022 Load Forecast Report. The figure is redacted, so no further details are available.

Section 138
Year Direct Critical Business, Total Total Load Peak Non-Profit (MW) with Control Pricing & Industrial ELCC (MW) (MW) Curtailment (MW) (MW) 2022 0 1 0 1 0 2023 4 4 1 9 4 2024 12 12 2 26 12 2025 24 22 4 50 24 2026 36 32 6 74 36 2027 39 36 7...

AI summary The text presents a table showing the implementation of Direct Load Control (DLC) and Critical Peak Pricing (DR) programs across various years, highlighting the growth in capacity and participation. A pilot project with E1 is underway to test water heater controls, with early results indicating potential peak savings.

Section 139
m one group of pilot participants indicate that an average 10 reduction of 0.5 kW of peak savings per unit is achievable. 11 12 NS Power is also working with E1 on a two-phased pilot project to investigate automatic 13 and manual control o...

AI summary NS Power is conducting pilot projects with E1 to explore automatic and manual load control for commercial and industrial customers, aiming to achieve peak savings and develop demand response (DR) capacity. Data from these projects will be used to improve forecast assumptions.

Section 140
Page 81 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Load Forecasts. The impact of these initiatives, at least within the 10-year timeframe of 2 this forecast, is expected to fall within the sensit...

AI summary The 2022 Load Forecast Report discusses the impact of demand response (DR) programs on load forecasts, noting that DR programs do not inherently reduce demand but can be used as a resource during peak times. The report also explains the change in assumed peak temperature from -15 to -13.7 degrees Celsius based on a 10-year average of coldest evening temperatures.

Section 141
l as shown in Figure 55, but the 10 year period aligns 12 with the annual HDD estimate and provides a better reflection of current weather trends. 13 14 Figure 55: Peak Temperatures 15 Time Avg Evening Avg Avg Annual Avg Daily Period Peak...

AI summary The text discusses the alignment of a 10-year period with annual heating degree day (HDD) estimates and highlights trends in minimum temperatures over the past 30 years. It also outlines the method for calculating peak contributions from large customer classes and presents a forecast for system peak demand from 2022 to 2032.

Section 142
N REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 56: Historical and Forecast System Peak (no DR) 2 3 4 5 Figure 56 also shows the January 2022 peak, which occurred at a temperature of -14.6 6 degrees C, and was very close to the fore...

AI summary The 2022 Load Forecast Report discusses historical and forecast system peak demand, noting the January 2022 peak at -14.6°C and a 1.5% annual increase in firm peak demand, which accounts for interruptible and demand response (DR) loads.

Section 143
OVED) 2022 Load Forecast Report REDACTED 1 Figure 57: Historical and Forecast Firm Peak (including DR) 2 3 4 5 Forecast peak values, firm peak and interruptible peak information can be found in 6 Appendix A. As discussed in Section 4.4, th...

AI summary The 2022 Load Forecast Report discusses the projected growth in peak demand, including contributions from electric vehicles, space heating, and various customer classes. The report highlights the impact of managed charging on EV peak demand and the expected increase in residential and commercial heating demand by 2032.

Section 144
(including their associated losses), as well as large 2 customer and interruptible customer contributions, and finally DSM. 3 4 Figure 58: Peak Contribution Components (MW) 5

AI summary The text discusses peak contribution components, including large customer and interruptible customer contributions, as well as Demand Side Management (DSM). It references Figure 58, which illustrates these components in MW.

Section 145
Modeled Res EV DR C&I Large DSM Firm Inter. System Peak Heat (MW) (MW) Elect. Cust. (MW) Peak Cust. Peak (MW) Peak (MW) (MW) (MW) (MW) (MW) (MW) 2022 1,920 7 3 -0 10 99 -18 2021 144 2,165 2032 1,993 120 103 -37 193 112 -141 2342 152 2,532...

AI summary The document discusses system peak demand in Nova Scotia, highlighting the 2021 system peak of 1,968 MW and the factors influencing peak demand, such as temperature changes and weather conditions. It also provides modeled data for 2022 and 2032, including the impact of EV adoption and demand response programs.

Section 146
a combination of day of week, time of day, temperature, and 20 weather conditions at both an hourly and daily level; as a result, the peak compared to 21 forecast will be more variable than energy (which considers longer time frames). Figu...

AI summary The 2022 Load Forecast Report discusses the variance between forecasted and actual system peak loads in 2021, highlighting factors such as interruptible load, weather, and unexplained differences. It also mentions the normalization of firm peak for weather and lighting load to align with historical trends.

Section 148
INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 62: Commercial End-Use Peak Shares 2 3 4 The trend in the Commercial classes shows that the heating component of the peak is 5 expected to increase significantly over the for...

AI summary The 2022 Load Forecast Report discusses trends in commercial end-use peak demand, noting an increase in heating demand due to electrification. NS Power uses interval data and advanced metering infrastructure to refine peak demand modeling and improve forecasting accuracy.

Section 155
1 11.0 SENSITIVITY ANALYSIS 2 3 The sales and peak forecasts are fundamentally uncertain and depend on many variables, 4 including economics, weather, adoption of distributed generation, electricity rates and 5 DSM. Although each of these...

AI summary The text discusses the uncertainty in sales and peak load forecasts, influenced by factors like economics, weather, and DSM. A P10/P90 probability analysis using Monte Carlo simulations was developed in 2017 to estimate future load distribution, with sensitivity bands shown in Figure 66, highlighting a range of 360-630 GWh over 10 years due to weather and economic variations.

Section 156
present actual system totals. 25 26 DATE: April 29, 2022 Page 95 of 98 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report REDACTED 1 Figure 66: System Energy Sensitivity 2 3 4 Similarly, a P10/P90 scenario was created fo...

AI summary The text discusses the creation of a P10/P90 scenario for peak demand using random sampling of weather and economic drivers, highlighting that peak variance is mainly driven by weather variation, with DSM scenarios falling mostly within the bands.

Section 164
Interruptible Demand Firm Net System Temp at Contribution to Response Contribution to Growth Peak Peak Year Peak (reduction in Peak Notes Firm Peak only, (%) MW) (MW) (deg C) (MW) (MW) - February 13 2012 141 1,740 1,882 -13.2 -7 weekday ev...

AI summary The table provides data on interruptible demand, firm peak contributions, and net system peak growth for various years, including reductions in firm peak and temperature at peak times. It outlines the contribution of demand response to peak load management and system growth over time.

Section 168
ends) The AvgEESavings term captures E1’s DSM past reported savings for the residential class. The associated regression coefficient, b4, assesses the portion of embedded DSM activity that is already Page 1 of 31 REDACTED (CONFIDENTIAL INF...

AI summary The document discusses the AvgEESavings term, which captures past reported demand-side management (DSM) savings for the residential class, and the regression coefficient b4, which indicates that DSM activity reduces load. It also explains the use of the COVID variable to account for pandemic-related changes in residential load patterns.

Section 170
he dependent variable (in this case, sales). To help eliminate this autocorrelation, a moving average, MA, of period 1, MA(1) was added, which estimates the autocorrelation with its the predecessor. Variable Coefficient StdErr T-Stat P-Val...

AI summary The text discusses the use of a moving average (MA(1)) to address autocorrelation in a statistical model where the dependent variable is sales. The model includes various coefficients and statistical values for different variables, such as heating, cooling, and energy efficiency savings, as well as seasonal and event-specific factors.

Section 172
t Appendix B Page 5 of 32 Appendix B – Forecast Model Details Residential SAE Model Fit Residential Model 2022-2032 Reconciliation The following tables provide details reflecting the changes between 2022 and 2032 forecast years. Some of th...

AI summary The document provides a reconciliation of residential load forecasts between 2022 and 2032, showing changes in customer load, EV load, solar load, and DSM captured. It includes a table with data on existing and new customer usage, energy efficiency savings, and load adjustments.

Section 173
84) (335) Change 1.3% 4.9% 10.5% -3.1% -0.1% -6.8% 6.6% to load Res Sales = Existing Customer Load + New Customer Load + EV Load + Solar Load + RTR + DSM Existing customer load is calculated as Res Average Use (9,748 kWh/customer in 2022,...

AI summary The text discusses residential load forecasting, including the calculation of existing customer load based on average usage and the inclusion of variables such as heating, cooling, and energy efficiency savings in the forecast model. It also outlines the regression analysis used to estimate residential average use.

Section 174
2022 Load Forecast Report Appendix B Page 7 of 32 Appendix B – Forecast Model Details Residential Input Variables – XHeat Intensities Econ + Regression Struct Efurn HP Heat Secondary Furnace Fans HeatUse Coeff Total XHeat Heat Variable 202...

AI summary The text provides details on residential input variables for heating and cooling loads in the 2022 Load Forecast Report. It outlines the components and their respective intensities, coefficients, and changes from 2022 to 2032, including the calculation method for XHeat and XCool.

Section 179
Report Appendix B Page 12 of 32 Appendix B – Forecast Model Details Small General Model Fit Small General 2022-2032 Reconciliation The Small General Demand customer forecast model is constructed like the residential model (including heat p...

AI summary This section of the report discusses the Small General Demand customer forecast model, which is structured similarly to the residential model and includes heat pump programs within the SAE model. Adjustments for commercial and industrial growth programs, PV, and DSM are made outside the regression. The XHeat, XCool, and XOther variables use a flat scaling factor for easier comparison of regression coefficients.

Section 180
2022 Load Forecast Report Appendix B Page 13 of 32 Appendix B – Forecast Model Details Small General Load – Post Regression (GWh) Load from NS Power C&I Solar SG DSM Small Gen Total DSM Regression Electrification adjustment Sales (with SG...

AI summary The 2022 Load Forecast Report Appendix B outlines the calculation of small general load using a regression model. It includes inputs such as average use per customer, customer count forecasts, and adjustments for programs like DSM. The model projects changes in load from 2022 to 2032, including variables like XHeat, XCool, and XOther.

Section 184
vicem = b1× XHeatm + b2× XCoolm + b3× XOtherm + MBin.Feb18 + MBin.May20 + MBin.Jun20 + SMA(1) Variable Coefficient StdErr T-Stat P-Value MStructGen.WtXHeat 0.641 0.035 18.178 0.00% MStructGen.WtXCool 0.325 0.048 6.807 0.00% MStructGen.WtXO...

AI summary The text presents a statistical model equation and its coefficients, including variables related to heat, cooling, and other factors, along with their standard errors, t-statistics, and p-values. The model is part of a load forecast report and includes a seasonal moving average component.

Section 186
Appendix B Page 17 of 32 Appendix B – Forecast Model Details General Service Model Fit General Demand 2022-2032 Reconciliation The general demand class, which makes up the largest portion of the commercial sector, is forecast as gross tota...

AI summary This section discusses the General Demand 2022-2032 Reconciliation, focusing on forecasting methods for the general demand class in the commercial sector. It mentions the use of a flat scaling factor and adjustments for NS Power commercial growth programs, including heat pumps, PV, and DSM.

Section 187
22 Load Forecast Report Appendix B Page 18 of 32 Appendix B – Forecast Model Details General Demand Load – Post Regression (GWh) Load NS Power Solar GD DSM Gen Sales Total DSM Regression C&I Adjustment (with DSM) GD captured Model Electrif...

AI summary The document presents a load forecast report focusing on general demand load and sales, with detailed regression models and input variables. It includes data for 2022 and 2032, highlighting changes in load, sales, and various demand-side management (DSM) factors.

Section 188
2,375,439 Change 4.9% 0.4% -4.4% 0.0% 1.0% 2.0% Sales = XHeat + XCool + XOther + Binaries + ARMA General Demand Input Variables – WtXHeat Intensities Econ + Struct Regression Heating HeatUse Coeff Total XHeat Variable 2022 493,867 1.26 0.6...

AI summary The text discusses general demand input variables for heating and cooling, including intensities, economic and structural factors, regression coefficients, and scaling factors. It outlines how these variables are used in the load forecast model to calculate XHeat and XCool, with examples of their contributions to overall demand.

Section 189
0.370 75,451 Change -4.3% 20.4% 0.0% 0.0% 16.1% XCool = Cooling x CoolUseVariable x Coeff x Scaling Factor General Demand Input Variables – XOther Intensities Econ Reg + Struct Vent Water Cook Refrig Light Office Misc Other Coeff Scaling T...

AI summary The document presents data and formulas related to energy demand forecasting, including variables such as XCool and XOther, which are calculated using intensity values, coefficients, and scaling factors. It outlines input variables for general demand and provides details on an industrial econometric model used for load forecasting.

Section 194
-0.379 Kurtosis 3.652 Jarque-Bera 8.004 Prob (Jarque-Bera) 0.0183 Page 23 of 31 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report Appendix B Page 25 of 32 Appendix B – Forecast Model Details Medium Industrial Model Fit...

AI summary This section presents statistical analysis of a load forecast model, including metrics like kurtosis and the Jarque-Bera test, as well as a detailed description of a combined model for commercial and industrial demand-side management (DSM) coefficients. The model uses weighted variables and binary indicators to explain sales trends.

Section 195
es trends over time. Binary variables were added similar to those used in the underlying commercial and industrial models. Variable Coefficient StdErr T-Stat P-Value MSales.EESavingsProfiled -0.380 0.121 -3.153 0.21% MStructGen.WtXCool 0.5...

AI summary The text presents statistical results from a load forecasting model, including coefficients and significance levels for various variables related to energy efficiency savings, structural generation weights, and seasonal binaries. The EESavings variable is highlighted as representing the amount of demand-side management needed to explain historical sales trends.

Section 199
eather sensitive load drivers in each month of the year. OtherLoadm is comprised of: OtherLoadm=ResOtherm + SmlGSOtherm + GSOtherm + SmIndSalesm + MedIndSalesm + UnMSalesm Where ResOtherm, SmlOtherm and GSOtherm are the non-weather depende...

AI summary The text describes the decomposition of load drivers into weather-sensitive and non-weather-dependent components, including the use of a sales model with regression coefficients to isolate non-weather factors such as DSM activities. It also mentions normalization of load requirements and the use of a binary variable to account for the impact of the COVID-19 pandemic starting in 2020.

Section 202
2022 Load Forecast Report Appendix B Page 32 of 32 Appendix B – Forecast Model Details Peak Model Fit As seen in the figure below (and in the model statistics above), this approach produces a good fit with historical data. Although it was...

AI summary This document discusses the 2022 Load Forecast Report, focusing on the peak model fit and forecast comparisons. It highlights the relationship between demand-side management (DSM) and peak demand forecasting, as well as the accuracy of the forecast models used for total energy requirements and system peak demand.

Section 219
Figure D2 for energy and Figure D3 for peak (both before the impact of DSM). 10th (10%) and 90th (90%) percentiles can easily be obtained from Normal distributions and so they are highlighted in D2. Figure D2: Distribution of Energy (Befor...

AI summary The text discusses probabilistic load forecasting, focusing on energy and peak demand distributions before the impact of demand-side management (DSM). It references figures showing percentile ranges and sensitivity analysis for forecast accuracy.

Section 220
Appendix D – Forecast Sensitivity Analysis Figure D4: Peak Forecast (Residential, Commercial and Small and Medium Industrial) The asymmetry in this figure, seen as the off-centre median, is explained by the bias introduced by plotting the...

AI summary The document discusses the asymmetry in peak forecast data, attributing it to the use of the MAX function in selecting the highest monthly Peak HDD. It notes that the Monthly HDD has become more influential than Peak HDD in 2022 due to year-round residential heating impacts, leading to a steeper peak demand curve influenced by E3 electrification scenarios.

Section 221
022 Load Forecast Report Appendix D Page 7 of 9 Appendix D – Forecast Sensitivity Analysis Figure D5: Relative Sensitivity of Peak In terms of the sensitivity of the energy sales forecast to the various input variables, Figures D6 and D7 s...

AI summary The document discusses the sensitivity of energy sales forecasts to various input variables, noting that weather has the strongest impact in the near term while economics becomes dominant in the long term. Demand-side management (DSM) and other factors significantly outweigh the impact of economic, weather, or end-use changes.

Section 222
REMOVED) REDACTED 2022 Load Forecast Report Appendix D Page 9 of 9 Appendix D – Forecast Sensitivity Analysis Figure D8: Relative Impact of Inputs 2023 Energy 2023 Peak 2032 Energy 2032 Peak Item (GWh (MW) (GWh) (MW) Included in Forecast D...

AI summary The document presents a sensitivity analysis from the 2022 Load Forecast Report, highlighting the impact of various factors such as demand-side management (DSM), solar PV, electric vehicles (EV), and battery storage on energy and peak load forecasts for 2023 and 2032. It includes different scenarios for EV adoption and the effects of weather and economic factors.

Section 223
2022 Load Forecast Report Appendix E Page 1 of 8 Nova Scotia Power Electrification Support Load Forecast Inputs – Overview April 2022 Liz Mettetal, PhD Sierra Spencer Michaela Levine Arne Olson Dan Aas REDACTED (CONFIDENTIAL INFORMATION RE...

AI summary This document is part of the 2022 Load Forecast Report Appendix E, prepared by Nova Scotia Power with contributions from E3, a consulting firm specializing in engineering, economics, and public policy. The report provides input for load forecasting related to electrification support.

Section 225
r-complete electrification of transportation and most buildings is a “safe bet” • Measures are lower cost and commercially available to support economy-wide decarbonization  Electrification must be pursued in parallel to aggressive power...

AI summary The document discusses the electrification of transportation and buildings as a cost-effective strategy for decarbonization, supported by the PATHWAYS model. It also outlines the forecast for electric vehicle (EV) adoption, assuming 100% electric LDV sales by 2035 and a slow ramp-up to 30% by 2030.

Section 226
tocks ▪ Light-duty vehicle (LDV) forecast assumes 100% electric LDV sales by 2035, with the base forecasts relying on a “slow sales ramp” scenario that achieves 30% electric LDV sales by 2030 Light-Duty Vehicle Stocks Parcel Truck/MDV Stoc...

AI summary The document discusses light-duty vehicle (LDV) and parcel truck/medium-duty vehicle (MDV) stock forecasts, assuming a transition to electric vehicles (EVs) by 2035 and 2040, respectively. It highlights the impact of these transitions on transportation load shaping processes.

Section 228
 E3 generates forecast of Trip data Charger & EV Demographics Driver Charging attributes Costs & Tariffs transportation load shape based on simulations of EV driving and charging behavior, using travel 1. EV Driving & Charging Simulation...

AI summary The text describes a process for forecasting transportation load shape based on simulations of EV driving and charging behavior using travel survey data. It includes inputs such as vehicle type, charging access, and cost, and outputs like normalized load shapes and charging session statistics.

Section 229
r vehicle segment X, year Y driving statistics 5 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2022 Load Forecast Report Appendix E Page 6 of 8 Profiles for light-duty vehicle drivers were developed to inform future charging patterns  The d...

AI summary The document outlines the development of light-duty vehicle (LDV) driving profiles based on National Household Travel Survey data, assuming representative driving patterns in Nova Scotia. These profiles are used to inform future EV charging patterns and are input into the EV Load Shape Tool. The average annual mileage is based on historical Nova Scotia VMT statistics.

Section 230
RMATION REMOVED) 2022 Load Forecast Report Appendix E Page 7 of 8 LDV Charging Profiles  Charging profiles represent population-level charging scaled down to one vehicle  In unmanaged charging, drivers begin charging immediately upon arr...

AI summary The document discusses LDV charging profiles, distinguishing between unmanaged and managed charging. Unmanaged charging occurs immediately upon arrival, while managed charging shifts timing to reduce costs and flatten peak loads. It also mentions the role of aggregators in managing EV charging and references a heating equipment stock rollover in the appendix.

Section 231
2022 Load Forecast Report Appendix E Page 8 of 8 Heating Equipment Stock Rollover  E3’s electrification study scenarios ultimately yield near-complete electrification of residential and commercial buildings by 2050; to achieve policy targ...

AI summary The 2022 Load Forecast Report Appendix E discusses E3’s electrification study scenarios, which predict near-complete electrification of residential and commercial buildings by 2050, driven largely by heat pump adoption in the 2030s. The analysis assumes rapid growth in heat pump usage, tempered by stock rollover, and notes alignment with NSP forecasts despite data limitations.

N-2NSPI (CA) RIR-1 to RIR-17 - Redacted 17 passages
Section 2
d Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-1: 2 3 Reference Report p. 7: “As with any forecast, there is a degree of uncertainty arou...

AI summary The Consumer Advocate has requested clarification on the demand forecast report, specifically regarding uncertainty analysis and the inclusion of a general warming trend. NS Power confirms that only weather and economic uncertainties were considered in their scenario analysis and explains that the warming trend was not included in the analysis or figure provided.

Section 6
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL

AI summary The document references NSPI's responses to Consumer Advocate information requests, related to the 2022 Load Forecast Report (NSUARB M10569). The non-confidential nature of the responses suggests transparency in demand forecasting and regulatory processes.

Section 7
1 Request IR-4: 2 3 Reference Report pp. 43-44: “The management of charging in this scenario was based on 4 minimizing the cost of electricity to charge with the electric rates referenced being the 5 existing time of use tariffs that are c...

AI summary The NSUARB requests NS Power to explain assumptions behind E3's managed charging demand estimates, clarify temperature impacts on EV loads, and address traffic data reviews. NS Power responds by noting discrepancies in unmanaged charging peak estimates between E3 and prior models, but the response is incomplete.

Section 8
29 coincident peak time of a weekday evening in January at hour ending 1800, so the 30 difference between the E3 models would be 0.6 kW/vehicle. Not all of the charging will Date Filed: July 8, 2022 NSPI (CA) IR-4 Page 1 of 2 REDACTED (CON...

AI summary NSPI acknowledges challenges in managing EV charging demand during peak hours, noting a 0.6 kW/vehicle difference in peak load scenarios. Temperature impacts EV efficiency and heating/cooling demands, though traffic data analysis for system peaks remains unreviewed. Only 70% of EVs are managed off-peak, with 30% remaining unmanaged.

Section 9
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-5: 2 3 Reference Report pp. 57-58 regarding the DSM adjustments, please provide workpapers i...

AI summary NSPI provided workpapers for DSM adjustment coefficients, referencing specific attachments and appendices, and corrected an error in Figure 36 of the 2022 Load Forecast Report. The response details the regression models used and clarifies the inadvertent error in the figure.

Section 11
1 REVISED Figure 36: Annual Forecast DSM Savings (incremental) 2 Forecast Forecast DSM captured DSM captured DSM Adjustment DSM Adjustment Residential Commercial by Residential by Comm/Ind for Residential for Comm/Ind Year DSM and Industri...

AI summary The table presents annual forecasts of Demand Side Management (DSM) savings from 2022 to 2032, distinguishing residential and commercial/industrial sectors. It includes incremental savings, end-use forecasts, and adjustments with coefficients for each year.

Section 12
56.5 36.2 27.6 37.9 21.5 2032 73.2 55.0 35.7 26.9 37.5 20.9 3 Date Filed: July 8, 2022 NSPI (CA) IR-5 Page 2 of 2 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569)...

AI summary NSPI confirms the 'DSM captured by end uses' column calculation and explains that their load forecast model relies on aggregated historical DSM data, not detailed appliance or building-level data. The model incorporates past DSM effects on variables like price and appliance efficiency but lacks granular historical records.

Section 13
appliance level or building shell level DSM data, only annually reported savings at the 25 class level. The treatment of DSM in the forecast is outlined in section 4.6 of the Report. Date Filed: July 8, 2022 NSPI (CA) IR-6 Page 1 of 1 REDA...

AI summary The document discusses the annual reporting of DSM savings at the class level, not appliance or building shell levels, and references section 4.6 of the Report. It also mentions NSPI's responses to the Consumer Advocate's information requests regarding the 10-Year Energy and Demand Forecast (NSUARB M10569).

Section 14
emand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-7: 2 3 Reference Appendix B, p. 32: “Although it was not possible to produce a peak model wit...

AI summary NSPI confirms that the DSM adjustment coefficients (pp. 57-58) relate to the regression model's analysis. Adding DSM as a coefficient reallocates other parameters, making DSM appear to increase peak load despite expectations of load reduction. The model requires a negative coefficient for DSM to show significance, which was not achieved.

Section 17
mVarsNew.Jan_Other 1.290 0.093 13.799 0.00% mVarsNew.Feb_Other 1.236 0.101 12.266 0.00% mVarsNew.Mar_Other 1.377 0.084 16.369 0.00% mVarsNew.Apr_Other 1.570 0.047 33.165 0.00% mVarsNew.May_Other 1.543 0.035 43.547 0.00% mVarsNew.Jun_Other...

AI summary The text presents monthly data with variables (e.g., mVarsNew.Jan_Other) and model statistics (R-squared: 0.976, AIC: 7.87) related to demand-side management (DSM) savings (AnnualSavings.DSMDemSavings: 0.290). The analysis includes statistical parameters from a model assessing energy efficiency and DSM performance.

Section 19
nd Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL Model Statistics Mean Abs. % Err. (MAPE) 2.69% Durbin-Watson Statistic 1.831 Durbin-H Statistic #NA Lj...

AI summary The 2022 Load Forecast Report (NSUARB M10569) discusses NSPI's 10-year energy and demand forecast, highlighting model statistics (MAPE 2.69%) and consistent DSM savings (27 MW annually). The analysis confirms alignment between energy and peak DSM assumptions in the model, ensuring accuracy in forecasting.

Section 27
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL

AI summary The document references NSPI's responses to Consumer Advocate information requests, related to the 2022 Load Forecast Report (NSUARB M10569). The non-confidential nature of the responses suggests transparency in demand forecasting and regulatory processes.

Section 29
cover, precipitation and wind speed. 28 (g) Please provide NS Power’s best estimate (quantitative or qualitative) as to the impact 29 of cloud cover, snow cover, precipitation, and wind speed on loads, including peak 30 loads. Date Filed:...

AI summary NSPI provides data on variables affecting energy loads, including temperature, precipitation, and wind speed, in response to a request about their impact on peak loads. A graph shows an 85.6% correlation between temperature and load (R²=0.8556). NSPI classifies variables like temperature and wind speed as objective, while others (e.g., visibility) are sometimes subjective.

Section 31
d Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL

AI summary The document references NSPI's responses to Consumer Advocate information requests and the 2022 Load Forecast Report (NSUARB M10569), indicating regulatory proceedings involving demand forecasting and stakeholder engagement in Nova Scotia's energy sector.

Section 603
ciated with a 0.2 degree Celsius 23 variance in peak, assuming a weekday with full lighting load. 24 (v) What, if any, other factors impacted the 2019 variance? 25 Date Filed: July 2, 2020 NSPI (NSUARB) IR-13 Page 1 of 3 REDACTED (CONFIDEN...

AI summary The 2019 variance in peak load was influenced by differences in lighting load and the timing of the peak (morning vs. evening). The response highlights that temperature and behavioral patterns also contributed to the variance, making peak load prediction challenging.

Section 613
emand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-16: 2 3 Reference Report p. 77. We understand NS Power’s argument to be as follows: Using the...

AI summary NSPI responds to a request regarding the use of a 25 MW/°C demand change estimate in the 2022 Load Forecast Report. NSPI confirms that the estimate is not used in the forecast model and is only used for explaining variance and comparing to forecast values. The response also confirms that the estimate is based on a regression excluding weekend data.

Section 615
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL

AI summary The document references NSPI's responses to Consumer Advocate information requests, related to the 2022 Load Forecast Report (NSUARB M10569). The non-confidential nature of the responses suggests transparency in demand forecasting and regulatory processes.

N-3NSPI (E1) RIR-1 to RIR-12 13 passages
Section 1
10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to EfficiencyOne Information Requests NON-CONFIDENTIAL 1 Request IR-1: 2 3 Reference: NS Power 2022 Load Forecast, page 15, lines 3-8. 4 5 “As...

AI summary NSPI responds to EfficiencyOne's request for E3's stock rollover models by directing them to NSUARB IR-2 and Synapse IR-42. The 2022 Load Forecast Report references E3's work on electrification scenarios to meet emissions goals, emphasizing no assumptions about regulatory changes. Appendix E includes an E3 presentation.

Section 2
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to EfficiencyOne Information Requests NON-CONFIDENTIAL

AI summary The document references NSPI's responses to EfficiencyOne's information requests regarding the 2022 Load Forecast Report, part of NSUARB matter M10569.

Section 3
1 Request IR-2: 2 3 (a) Please describe all electrification research/pilots/programs NS Power is currently 4 planning and/or carrying out. 5 6 (b) Please provide all applicable project schedules, studies and/or reports that have been 7 dev...

AI summary NS Power outlines electrification initiatives, including residential heating solutions with heat pumps and commercial HVAC electrification programs. The response highlights contractor networks, on-bill financing, and a four-year Smart Grid Nova Scotia pilot (M10176) focused on advanced metering infrastructure and building decarbonization studies.

Section 13
emand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to EfficiencyOne Information Requests NON-CONFIDENTIAL 1 Request IR-7: 2 3 Reference: NS Power 2022 Load Forecast, page 80, lines 27-30 4 5 “DR forecasts continue to...

AI summary EfficiencyOne questions NSPI's use of an ELCC factor of 48% in the 2022 Load Forecast Report, asking whether it underrepresents DR capacity, how ELCC is determined, appropriate contexts for its application, and if it should be applied to other time-limited resources.

Section 14
7 should an ELCC be applied to other time limited demand-side resources such as the 28 large industrial interruptible rider and EV managed charging? If not, please explain. 29 Date Filed: July 8, 2022 NSPI (E1) IR-7 Page 1 of 3 10 - Year E...

AI summary The text raises a question about whether an ELCC should be applied to specific demand-side resources like industrial interruptible riders and EV managed charging, referencing the 10-Year Energy and Demand Forecast (NSUARB M10569) and NSPI's responses to EfficiencyOne's information requests.

Section 16
1 Response IR-7: 2 3 (a) The Load Forecast is estimating annual system firm peak, incorporating an estimate of the 4 reliability contribution of Demand Response (DR) programs based on the Planning Reserve 5 Margin and Capacity Value Study1...

AI summary The response discusses NS Power's use of Effective Load Carrying Capability (ELCC) in capacity planning, emphasizing alignment with industry best practices and stakeholder input during the 2020 Integrated Resource Plan (IRP). It clarifies that ELCC factors are applied to Demand Response (DR) programs to reflect their reliability contributions and are refined as data improves.

Section 17
time (e.g. per month 25 or per year), the application of an ELCC factor is warranted. This ELCC factor is 26 calculated via reliability modeling, as described in NS Power’s Planning Reserve Margin 27 and Capacity Value Study. As the availa...

AI summary The text discusses the application of an ELCC (Equivalent Levelized Capacity Credit) factor to demand response (DR) programs based on their flexibility. More flexible DR programs have higher ELCC factors due to increased capacity value. The large industrial rider does not require an ELCC factor because of NS Power’s real-time control capabilities for load curtailment, ensuring immediate capacity reduction during emergencies.

Section 18
ment 12 for water or space heating). The program design of potential EV managed charging will 13 determine what ELCC factor, if any, is applied for resource planning purposes. Date Filed: July 8, 2022 NSPI (E1) IR-7 Page 3 of 3 10 - Year E...

AI summary The document discusses the impact of EV managed charging program design on the Effective Load-Carrying Capacity (ELCC) factor used in resource planning, as part of NSPI's response to EfficiencyOne's information requests related to the 10-Year Energy and Demand Forecast.

Section 19
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to EfficiencyOne Information Requests NON-CONFIDENTIAL 1 Request IR-8: 2 3 Reference: NS Power 2022 Load Forecast, page 37, lines 4-6 and page 38, Figure 22. 4 5 “E...

AI summary NSPI's 2022 Load Forecast shows a 52% commercial electric heating share estimate versus E3's 27%, prompting EfficiencyOne to request modeling assumptions, current share estimates by heat pump type, and reasons for model calibration discrepancies. NSPI refers to NSUARB IR-9 for forecast differences, notes data limitations, and states trajectories are calibrated for similar increases.

Section 24
15 16 (e) Yes, NS Power views Electric Thermal Storage (ETS) as an effective backup for Air-Source 17 Heat Pump systems when ETS is sized appropriately to carry the heating load. 18 Date Filed: July 8, 2022 NSPI (E1) IR-9 Page 3 of 4 10 -...

AI summary NSPI confirms Electric Thermal Storage (ETS) can effectively back up air-source heat pumps when appropriately sized. However, it expresses uncertainty about hybrid systems combining heat pumps with fossil fuels in meeting 2050 Net Zero targets. The forecast assumes consistent weather and does not model unaccounted factors, deeming their 10-year impact unlikely.

Section 25
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to EfficiencyOne Information Requests NON-CONFIDENTIAL 1 Request IR-10: 2 3 Reference: NS Power 2022 Load Forecast, page 43, lines 12-13 4 5 “The peak impact assume...

AI summary NSPI responds to EfficiencyOne's questions about EV charging management, acknowledging demand response programs and CPP rate structures as potential tools. NSPI emphasizes the need for detailed program specifics and studies on rate impacts, while addressing concerns about double-counting capacity savings from overlapping initiatives.

Section 26
ing Pricing (TVP), are being studied 28 through a pilot and will be compared against other managed charging approaches included 29 in the Smart Grid Nova Scotia pilot project. 30 Date Filed: July 8, 2022 NSPI (E1) IR-10 Page 1 of 2 10 - Ye...

AI summary NSPI is updating EV impact modeling to include E1's managed charging programs and the Smart Grid Nova Scotia pilot. E1's proposed demand response program for 2023-2025 is not incorporated into the 2022 Load Forecast, as it is assumed to be part of a broader IRP Action Plan demand response program.

Section 27
of the forecast it was assumed that E1’s proposed demand response measures 16 are incorporated into the larger demand response program that is being developed as part of the 17 IRP Action Plan. Date Filed: July 8, 2022 NSPI (E1) IR-11 Page...

AI summary NSPI incorporates E1's proposed demand response measures into the larger demand response program under the IRP Action Plan, as part of the 10-Year Energy and Demand Forecast (NSUARB M10569). This relates to NSPI's responses to EfficiencyOne's information requests.

N-4NSPI (NSUARB) RIR-1 to RIR-36 14 passages
Section 3
y and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-2: 2 3 With reference to the 2020 Load Forecast Decision Letter, dated October 20, 2020 (M09707),...

AI summary NSPI responds to NSUARB's IR-2 by comparing 2021 and 2022 EV forecasts. The 2021 forecast assumed no EV sales mandates, while the 2022 forecast incorporates provincial (30% by 2030) and federal (100% by 2035) targets. A side-by-side comparison is provided in Attachment 1 of IR-16.

Section 12
1 11. Tariffs: 2 a. E3 assumes a mix of flat rate (residential and small commercial) and Time-of- 3 Day Rate Pilot Program pricing (TOU residential and small commercial TOU 4 pricing) 5 b. E3 assumes 100% access to public chargers, 77% acc...

AI summary The text outlines E3's assumptions about tariff structures, EV charging access rates, and Dunsky's modeling approach for forecasting EV adoption in Nova Scotia. Key elements include flat and time-of-day rate structures, EV charging cost assumptions, and a three-step modeling approach involving market segmentation, calibration, and input assumptions.

Section 38
nd Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-8: 2 3 In matter M10109, Section 4.4 End-Use Intensity Trends, page 32 of 89, the application 4 indi...

AI summary NSPI's response to NSUARB's request explains the discrepancy between heat pump saturation forecasts (55% by 2031 vs. 66% by 2032) due to differing assumptions about 2050 net-zero carbon targets in the two load forecasts.

Section 42
class in 2025, 27 compared to a variance of 3 percent on the peak side. To simplify the analysis the same 28 forecast for heat pump shares was used and sales were not adjusted. Date Filed: July 8, 2022 NSPI (NSUARB) IR-10 Page 1 of 1 10 -...

AI summary The document discusses a 10-year energy and demand forecast, referencing a 2022 Load Forecast Report and a forecast for heat pump shares. It mentions a variance of 3 percent on the peak side and the use of the same forecast for heat pump shares without adjustments to sales.

Section 44
1 Request IR-11: 2 3 With reference to Figure 24: Heat Pump Forecast, page 40 of 98, the total cumulative new 4 installs for 2022 is 16,000 and the Overall Heating Intensity (kWh/house) is 1,214 and the 5 Overall Cooling Intensity (kWh/hou...

AI summary The request seeks an explanation for the changes in heat pump saturation and intensity between the 2021 and 2022 forecasts. The response attributes the changes to differences in customer count data sources and updates to the heat pump estimate based on a 2019 survey.

Section 47
nd Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL

AI summary The document references the 2022 Load Forecast Report and NSPI's responses to information requests from the NSUARB. It pertains to demand forecasting and regulatory proceedings in Nova Scotia.

Section 54
1 Request IR-15: 2 3 With reference to Section 4.4 Electric Vehicles, page 42 of 98, NS Power indicates that a new 4 EV forecast model has been adopted using stock rollover. 5 6 (a) Please identify the source of the stock rollover data use...

AI summary The document requests information regarding the source of stock rollover data used in a new EV forecast model and provides a table of vehicle sales and stock in Nova Scotia. The response references Statistics Canada for data and includes estimates for different vehicle types over the forecast period.

Section 64
Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL

AI summary This document outlines NSPI's responses to information requests from the NSUARB regarding the 2022 Load Forecast Report, focusing on energy and demand forecasts.

Section 67
and Demand Forecast (2021 Load Forecast Report) (NSUARB M10109) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-10: 2 3 In reference to Section 4.5, Price Data, on page 46 and page 47, the application states tha...

AI summary The NSPI responded to a request regarding the price elasticity used in SAE models, clarifying that it was not solely based on Canadian models. Studies from the 1980s to 2006 show a range of price elasticities for electricity consumption, with a mean of -0.162 in a 1997 U.S. study.

Section 68
the estimates was -0.162. 19 A 2006 study prepared for the National Energy Research Lab3 showed that the results had 20 not changed significantly since those earlier reports. 1 Bohi, Douglas R., and Mary Beth Zimmerman, “An Update on Econo...

AI summary The document discusses a decline in forecast Commercial and Industrial DSM savings and captured DSM in specific years, attributing the changes to the proposed Settlement Plan by EfficiencyOne (E1) and their 2019 potential study. The decline is explained by variations in forecast DSM amounts provided by E1.

Section 75
y a lower increase in 2018. The forecast has house size increasing at a slower rate than 3 in New England as multi family housing is expected to make up a larger portion of new housing 4 stock. Date Filed: July 8, 2022 NSPI (NSUARB) IR-28...

AI summary The document discusses a 10-Year Energy and Demand Forecast from the 2022 Load Forecast Report, highlighting anticipated changes in commercial sales and the impact of demand-side management (DSM) on sales forecasts from 2027 to 2032. It also references a slower rate of house size increase in Nova Scotia compared to New England due to the growth of multi-family housing.

Section 78
y and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-32: 2 3 With reference to Section 7.1 Small Industrial, page 71 of 98, the application indicates...

AI summary NSPI responds to NSUARB's request regarding the small industrial class sales forecast, explaining that economic growth, as measured by manufacturing GDP from the Conference Board of Canada, is expected to increase from 0.3% annually to 2% annually, leading to a 0.7% annual sales growth forecast. This is partly offset by demand-side management (DSM) impacts.

Section 79
NSPI (NSUARB) IR-32 Page 1 of 1 10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-33: 2 3 With reference to Section 7.2 Medium Indus...

AI summary NSPI responds to NSUARB's IR-33 request regarding the flat load in the medium industrial class since 2014 and projected 0.1% annual growth. The forecast is based on an econometric model using manufacturing employment data from the Conference Board of Canada, which shows a decline until 2021 and a projected increase afterward, partly offset by DSM impacts.

Section 80
ar in the 2021 forecast, with 23 average annual growth of 0.4 percent over the forecast period. Partly offsetting growth 24 will be the impact of DSM over the forecast period. Date Filed: July 8, 2022 NSPI (NSUARB) IR-33 Page 1 of 1 10 - Y...

AI summary The document discusses NSPI's responses to NSUARB information requests regarding energy and demand forecasts. NSPI explains that actual data for peak demand components is not available, and clarifies that increases in load intensities are due to higher adoption rates of appliances and increased use of electronic devices.

N-5NSPI (SBA) RIR-1 to RIR-19 12 passages
Section 1
10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-1: 2 3 Please provide all inputs and outputs to the customer coun...

AI summary NSPI provided customer count models for Residential and Small General classes, using housing completions data and a GDP-based model with a COVID-19 binary variable. The Residential forecast adds housing completions to existing counts, while Small General uses non-manufacturing GDP and a 2021 binary factor.

Section 54
to assist customers in minimizing upfront capital costs related to decarbonization & 20 electrification. 5 En4-460-2022-eng.pdf (publications.gc.ca) page 52 of 240 Date Filed: July 8, 2022 NSPI (SBA) IR-2 Page 3 of 3 10 - Year Energy and D...

AI summary The document discusses a request related to the 10-Year Energy and Demand Forecast, specifically regarding technologies assumed for space heating electrification and the separation of load data into electrification categories. NSPI provides a list of technologies considered, including various heat pump systems and electric heating solutions.

Section 55
(SBA) IR-3 Page 1 of 4 10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Electric Baseboards 2 Electric Ovens 3 Electric Infra...

AI summary The document provides a 10-year energy and demand forecast, highlighting growth in heating, transportation, and cooling. It notes that transportation growth is driven by EV adoption and increased cooling demand due to rising temperatures and longer summers. The forecast data is part of the 2022 Load Forecast Report (NSUARB M10569).

Section 57
emand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-4: 2 3 Please refer to page 10 of the Filing: What are the underlying assumptions for t...

AI summary NSPI's response to an information request about the 10% increase in system peak demand from 2021 attributes the growth to the electrification of space heating and increased EV sales, driven by government emission reduction targets. Supporting documentation is referenced in Figure 58 and Synapse IR-42.

Section 59
nd Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-6: 2 3 Please refer to Figure 54: Demand Response on page 81 of the Filing. 4 5 (a) Why is...

AI summary The text refers to a request regarding the Energy Loss Cost Correction (ELCC) for demand response programs, asking why the ELCC is less than 50%, requesting separate ELCC values for different demand response categories, and inquiring if response time is a factor in computing these values.

Section 60
tical Peak Pricing” and “Business, Non-Profit & Industrial Curtailment” 10 separately for Figure 54. 11 12 (c) Is response time a factor considered while computing these ELCC values? 13 14 Response IR-6: 15 16 (a) Demand Response (DR) is a...

AI summary The response discusses how Demand Response (DR) programs are factored into Energy Loss Cost Curves (ELCC) calculations, referencing a study from the pre-IRP work to the 2020 Integrated Resource Plan. It outlines assumptions made by NS Power regarding DR program characteristics and their impact on ELCC values.

Section 62
(SBA) IR-7 Page 1 of 1 10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-8: 2 3 Please refer to the Filing, page 7...

AI summary NSPI has not identified a third-party aggregator to perform managed charging responsibilities. Instead, NS Power is developing this capability as part of its Smart Grid Nova Scotia program, working with multiple vendors to determine the most effective managed charging approach.

Section 63
d Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-9: 2 3 Please refer to Page 43, Lines 12-22. This section states that it is assumed 70% of...

AI summary The NSPI response to IR-9 discusses the management of EV charging, combining time-based rates and aggregator-based charge management. It clarifies that total kWh load remains unchanged between managed and unmanaged scenarios, but peak demand varies. The forecast assumes no impact on overall consumption, with annual load being the same across all cases.

Section 64
d Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Average Peak Average Peak Average Peak Vehicle Type Blended Unmanaged Managed (kW/vehicle) (kW/...

AI summary The document presents a demand forecast from the 2022 Load Forecast Report, focusing on vehicle types and their average peak load in both unmanaged and managed scenarios. NSPI notes no impact from the unmanaged scenario on other load types.

Section 69
nd Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-14: 2 3 Please refer to Figure 32 on Page 51. 4 5 (a) Please confirm that commercial heat...

AI summary NSPI confirms that commercial heat pump adoption is included in the 'Heat' and 'Cool' categories in Figure 32 but commercial electric vehicle adoption is not included in the commercial model. EV load is included in the residential model and will be reallocated to the commercial class in the 2023 forecast, with increasing impacts from 2025 to 2032.

Section 70
d Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Small Business Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-15: 2 3 Please describe in detail how electrification is accounted for in the foreca...

AI summary NSPI explains that electrification is accounted for in industrial class forecasts by adding amounts from Figure 34 outside of models, and that different historical data periods are used for residential, commercial, and industrial classes due to varying timescales, as explained on page 31 of the report.

Section 74
on/saturation at this time? 24 25 (c) Please describe in detail any adjustments NS Power made to the forecast in Figure 27 26 before using it as a driver in its forecast model. 27 Date Filed: July 8, 2022 NSPI (SBA) IR-19 Page 1 of 2 10 -...

AI summary NSPI responded to an information request regarding adjustments made to the 10-Year Energy and Demand Forecast. NSPI stated that Figure 27 represents assumptions related to EV adoption and energy consumption, and no adjustments were made to the forecast before using it in its model.

N-6NSPI (Synapse) RIR-1 to RIR-43 - Redacted 1 passage
1,117.96 2,203.83 659.79 62.91 1.01 30.91 324.33 0.00 59.69 1.53 1,779.35 528.82 358.46 44.46 177.99 50.79 47.46 762.74 418.19 359.53 0.00 1,423.21 0.97 1,382.24 0.00 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 112.51 9,868.73
Year Res.Indices Heating Res.Indices Cooling Res.Indices Others XHeat XCool XOther AvgEESavings 15-Apr 15-Apr Aug Jan Sep Oct AContrib2Sales.Feb18 AContrib2Sales.Dec17 ARMA Covid XHeatNew XCoolNew XOtherNew AvgEESavingsNew 15 May New 15 Ap...

AI summary The chunk presents a table with data on residential energy indices, savings, and regression coefficients, likely related to energy efficiency and demand-side management programs under regulatory review in Nova Scotia.

N-7Refiled NSPI (CA) RIR 1 to RIR-17 - Redacted 21 passages
Section 2
d Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-1: 2 3 Reference Report p. 7: “As with any forecast, there is a degree of uncertainty arou...

AI summary The requestor is asking NS Power to confirm whether Appendix D includes scenario analysis for uncertainties in the 2022 Load Forecast Report, specifically related to weather, economics, and the general warming trend. NS Power confirms that only weather (normal) and economics are considered in the scenario analysis using Monte Carlo simulations.

Section 9
1 Request IR-4: 2 3 Reference Report pp. 43-44: “The management of charging in this scenario was based on 4 minimizing the cost of electricity to charge with the electric rates referenced being the 5 existing time of use tariffs that are c...

AI summary Request IR-4 seeks clarification on NS Power's assumptions about managed EV charging demand reductions, weather impacts on EV loads, and traffic data reviews. NS Power responds by contrasting previous unmanaged charging estimates with E3's models but does not directly address weather or traffic data impacts.

Section 10
29 coincident peak time of a weekday evening in January at hour ending 1800, so the 30 difference between the E3 models would be 0.6 kW/vehicle. Not all of the charging will Date Filed: July 8, 2022 NSPI (CA) IR-4 Page 1 of 2 REDACTED (CON...

AI summary NSPI discusses challenges in managing EV charging demand during peak winter hours, noting 30% of vehicles remain unmanaged. Temperature impacts EV efficiency and battery performance, though traffic data analysis during peak periods has not been conducted.

Section 11
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-5: 2 3 Reference Report pp. 57-58 regarding the DSM adjustments, please provide workpapers i...

AI summary NSPI responds to a Consumer Advocate request for workpapers on DSM adjustment coefficients, explaining they are derived from regression models in the 2022 Load Forecast Report. NSPI notes an inadvertent error in Figure 36 of the report, correcting the adjustment factor used in the last column while confirming the underlying model remains accurate.

Section 13
1 REVISED Figure 36: Annual Forecast DSM Savings (incremental) 2 Forecast Forecast DSM captured DSM captured DSM Adjustment DSM Adjustment Residential Commercial by Residential by Comm/Ind for Residential for Comm/Ind Year DSM and Industri...

AI summary The document presents a revised forecast of annual Demand Side Management (DSM) savings for residential and commercial/industrial sectors from 2022 to 2032, including captured DSM and adjustments with coefficients. The data highlights incremental savings and adjustments over time, reflecting NSPI's DSM planning under NSUARB oversight.

Section 14
56.5 36.2 27.6 37.9 21.5 2032 73.2 55.0 35.7 26.9 37.5 20.9 3 Date Filed: July 8, 2022 NSPI (CA) IR-5 Page 2 of 2 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569)...

AI summary NSPI confirms that the 'DSM captured by end uses' column in the 2022 Load Forecast Report is calculated by subtracting the 'Res DSM Adjustment' from the 'Total Res DSM' column. The forecast uses a regression model incorporating past DSM activity, price, appliance efficiency, and economic variables. NS Power lacks historical appliance-level DSM data, relying instead on class-level annual savings.

Section 15
appliance level or building shell level DSM data, only annually reported savings at the 25 class level. The treatment of DSM in the forecast is outlined in section 4.6 of the Report. Date Filed: July 8, 2022 NSPI (CA) IR-6 Page 1 of 1 REDA...

AI summary The document references the treatment of demand-side management (DSM) data in the 10-Year Energy and Demand Forecast, noting annual class-level savings reporting. It cites Section 4.6 of the Report and mentions NSPI's responses to the Consumer Advocate's information requests, with the matter numbered NSUARB M10569.

Section 16
emand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-7: 2 3 Reference Appendix B, p. 32: “Although it was not possible to produce a peak model wit...

AI summary NSPI confirms that the DSM adjustment coefficients (pp. 57-58) relate to the peak model analysis. The regression model shows DSM as increasing peak load due to non-negative coefficients, contradicting expectations. Coefficients for cooling and heating variables are provided with statistical details.

Section 19
mVarsNew.Jan_Other 1.290 0.093 13.799 0.00% mVarsNew.Feb_Other 1.236 0.101 12.266 0.00% mVarsNew.Mar_Other 1.377 0.084 16.369 0.00% mVarsNew.Apr_Other 1.570 0.047 33.165 0.00% mVarsNew.May_Other 1.543 0.035 43.547 0.00% mVarsNew.Jun_Other...

AI summary The text presents statistical model results, including variables (e.g., monthly 'Other' costs) and model metrics (R-squared: 0.976, AIC: 7.87). It references 'AnnualSavings.DSMDemSavings' with a 0.50% value, suggesting analysis of demand-side management savings.

Section 21
nd Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL Model Statistics Mean Abs. % Err. (MAPE) 2.69% Durbin-Watson Statistic 1.831 Durbin-H Statistic #NA Lj...

AI summary The document discusses statistical metrics of a 10-year energy and demand forecast model (NSUARB M10569), noting a 2.69% MAPE and consistent DSM savings (27 MW/year). NSPI asserts that DSM alignment between energy and peak models ensures the model's validity, citing historical consistency and alignment with energy DSM savings.

Section 22
Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-8: 2 3 Reference Report p. 59: “The non-weather variance in 2021 is mainly related to an inc...

AI summary NSPI responds to a consumer advocate's inquiry about factors influencing demand forecasts, noting population growth since 2016, no pandemic-driven migration analysis, and lack of concrete housing policies. The response addresses residential and commercial model assumptions, efficiency in new construction, and forecasted customer growth.

Section 23
(b) No. Both provincial and municipal governments have discussed targets related to 29 affordable housing and population growth, but no concrete policies or programs have been Date Filed: July 8, 2022 NSPI (CA) IR-8 Page 1 of 2 REDACTED (C...

AI summary NSPI states no concrete policies exist for affordable housing, with housing forecasts relying on Conference Board data. New customer load estimates consider electric heating and building efficiency. Population impacts are modeled via economic variables, not explicitly.

Section 46
Date Daily Avg Temp Daily Load 10/11/2021 14.02083 25914.76 10/12/2021 15.75417 26505.84 10/13/2021 14.37917 26463.92 10/14/2021 15.03333 26970.68 10/15/2021 12.23333 26588.97 10/16/2021 12.8625 26187.48 10/17/2021 16.49167 26604.07 10/18/...

AI summary The document presents a table showing daily average temperatures and corresponding daily load values from October 11 to December 11, 2021. The data reflects the relationship between temperature and electricity demand over this period.

Section 48
d Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-14: 2 3 Reference Report p. 86 Figure 60 “Weather-Normalized Firm Peak.” For items a-d bel...

AI summary The document outlines a request (IR-14) made to NSPI regarding the weather-normalized sales, requirements, and peak load data from the 2022 Load Forecast Report. The request includes detailed inquiries about methodology, calculations, and supporting workpapers for the weather normalization process.

Section 53
and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 DailyEnergy = Constant + b1×HDD13 + b2×HDD0 + b3×Lag1HDD13 + 2 b4×Lag2HDD13 + b5×JanHDD13 + b6×FebH...

AI summary The text describes a model used to calculate daily energy demand based on temperature variables, including HDD and CDD factors. It references attachments containing model inputs, outputs, and coefficients, and explains the allocation of weather impact across residential, commercial, and municipal sectors. The normalization factor for weather adjustments was updated from 20 MW/degree to 25 MW/degree in 2016, with a revised figure provided for 2019.

Section 463
2022 LFR CA IR-14 Attachment 2 Page 6 of 15 Variable Coefficients Month HDD13 HDD 13 HDD0 lag1 lag2 CDD18 0 232.686 -97.305 358.84 Summary Jun 2021 heating load 7323 MWh Normal heating load 6995 MWh 2021 Varinace to Normal 328 MWh

AI summary The document provides data on heating load for June 2021, showing a total of 7323 MWh, compared to a normal heating load of 6995 MWh, resulting in a variance of 328 MWh. It also includes variable coefficients and other metrics related to heating degree days and load forecasting.

Section 616
and Demand Forecast (2020 Load Forecast Report) (NSUARB M09707) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-13: 2 3 On page 9 of 137, NS Power reports the 2020 growth in system peak at 8.9% and the prior 4 y...

AI summary This text discusses a request for clarification regarding discrepancies in load forecasts and actual demand in Nova Scotia, specifically focusing on the 2019 and 2020 system peak growth rates. The request seeks explanations for the difference between forecast and actual values, including the impact of lighting load and daylight hours.

Section 619
end lines, so for the February/March morning peak the sensitivity is around 30 MW 16 per degree Celcius, or around 6 MW. 17 18 (v) The variance is discussed in part (i) above. Date Filed: July 2, 2020 NSPI (NSUARB) IR-13 Page 3 of 3 REDACT...

AI summary The text discusses temperature sensitivity during peak demand periods, noting a sensitivity of approximately 30 MW per degree Celsius for February/March morning peaks, with a variance referenced in an earlier section.

Section 625
n billed sales and NSR. The loss Date Filed: July 8, 2022 NSPI (CA) IR-15 Page 1 of 2 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10 - Year Energy and Demand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer A...

AI summary The text discusses the use of load research data to estimate peak losses and allocate system peak to different classes, noting that the methodology has a 10% precision target. It also highlights the degradation of sample quality since 2018 due to legacy meters and the potential for AMI data to improve accuracy.

Section 627
emand Forecast (2022 Load Forecast Report) (NSUARB M10569) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-16: 2 3 Reference Report p. 77. We understand NS Power’s argument to be as follows: Using the...

AI summary The Consumer Advocate requests clarification on NSPI's use of the 25 MW/°C demand change estimate in weather normalizing load forecasts. NSPI confirms the estimate is not used in the forecast model, and clarifies that weather normalized values are used for explanation and comparison, not as inputs to the model.

Section 630
1 Request IR-17: 2 3 Respecting the Board’s direction to “evaluate improvements to the weather normalization 4 estimate and examine the impact of incremental cold on loads in the temperature ranges 5 where peak loads occur,” (Report, p. 12...

AI summary The request asks NS Power to explain why it has not made an interim adjustment to its demand change metric following the Board's direction, referencing Wilson testimony from M10109. It also requests a list of tasks for updating the load forecast report. The response indicates that NS Power agreed with the Board's direction to re-evaluate weather normalization and peak load forecasting methods.

N-8Evidence of John Wilson, CA 12 passages
Section 1
Matter No. M10569 In the Matter of Nova Scotia Power’s 2022 Load Forecast Report EVIDENCE OF JOHN D. WILSON ON BEHALF OF THE CONSUMER ADVOCATE Resource Insight, Inc. JULY 29, 2022 TABLE OF CONTENTS I. Identification & Qualifications .........

AI summary The document is part of a regulatory proceeding (M10569) concerning Nova Scotia Power’s 2022 Load Forecast Report. John D. Wilson, representing the Consumer Advocate, provides evidence on load forecast improvements, electrification forecasts, and DSM adjustments (IR-5), referencing the 2021 proceeding.

Section 2
son, please state your name, occupation, and business address. 3 A: I am John D. Wilson. I am the research director of Resource Insight, Inc., 10 Court Street, 4 Arlington, Massachusetts. 5 Q: Summarize your professional education and expe...

AI summary John D. Wilson, research director at Resource Insight, Inc., testifies about his 30+ years of experience in utility regulation, including work on cost-effectiveness of energy projects, conservation program design, ratemaking, and performance-based ratemaking for electric utilities. He has testified in multiple jurisdictions, including Nova Scotia.

Section 5
nd the 8 impact of incremental cold on peak loads for the 2023 load forecast. 5 As I will discuss below, 9 I recommend that this analysis also include the effect of wind speed. 10 Q: Is NS Power’s incorporation of a warming trend into the...

AI summary The expert evaluates NS Power's load forecasting approach, noting that while the inclusion of warming trends is reasonable, discrepancies exist between model inputs and outputs. The analysis highlights the impact of HDD and CDD trends on residential and commercial loads, citing specific exhibits.

Section 6
ecast Report, pp. 19-24. 7 Exhibit N-7, NS Power response to CA IR-1(c-d). 8 Each of the major components is multiplied by a regression factor, which is close to 1.0 for heating and other, but only 0.6 for cooling. 9 Exhibit N-7, NS Power...

AI summary The analysis examines cooling and heating model outputs, showing increasing CDD-driven cooling demand but stable heating demand despite decreasing HDD. Heat pumps and electrification are suggested to offset reduced heating needs, though NS Power requires further validation of electrification load forecasts.

Section 18
Evidence of John D. Wilson • Matter No. M10569 • July 29, 2022 Page 9 1 example, NS Power currently includes all EV load in the residential model but will be 2 shifting commercial EV load to the commercial model for the 2023 forecast. 22 3...

AI summary John D. Wilson identifies three issues with NS Power's electrification forecast: modeling errors in residential/commercial heating load assumptions, flawed heat pump adoption trajectory assumptions, and Itron findings showing increased loads due to customer behavior (e.g., warmer homes, expanded floor space). These challenge NS Power's alignment with carbon reduction targets.

Section 21
Evidence of John D. Wilson • Matter No. M10569 • July 29, 2022 Page 10 1 determined.” 27 NS Power should identify the gap between existing electrification measures 2 and trends and those included in its load forecast as necessary to achiev...

AI summary John D. Wilson highlights gaps in NS Power's load forecasting models for electrification, noting insufficient alignment with federal/provincial policy goals. He recommends updating models to account for warming trends, electrification impacts, and more accurate EV charging demand projections during peak loads.

Section 22
able traffic data associated with peak load events in recent years. This qualitative 19 indication of vehicle use during peak load events could inform assumptions regarding EV 20 charging demand during peak load events. 21 Fourth, it is un...

AI summary NS Power's Load Research Sample (LRS) model has a degraded dataset prior to 2017 and was reliable only from 2018. Line loss estimates remain unchanged since 2013, and AMI implementation rates are 78% for industrial, 84% for commercial, and 89% for domestic customers. Heat pump water heater forecasts have not been updated since 2020, raising concerns about future demand.

Section 40
Southern Environmental Law Center. Adequacy of consideration of energy efficiency in Duke Energy Carolinas and Progress Energy Carolinas’ 2009 integrated resource plans. Georgia PSC Docket No. 31081, direct testimony on behalf of Southern...

AI summary Southern Environmental Law Center and Southern Alliance for Clean Energy testified in Georgia PSC dockets 31081 and 31082 regarding the adequacy of energy efficiency consideration in Duke Energy Carolinas, Progress Energy Carolinas, and Georgia Power's 2009-2010 integrated resource plans (IRPs) and demand-side management (DSM) plans, focusing on cost-effectiveness, rate impacts, program revisions, and stakeholder engagement.

Section 41
ncy in Georgia Power’s 2010 demand side management plan, including program revisions, planning process, stakeholder engagement, and shareholder incentive mechanism.

AI summary The text refers to Georgia Power’s 2010 demand side management plan, highlighting aspects such as program revisions, planning process, stakeholder engagement, and shareholder incentive mechanisms.

Section 45
John D. Wilson • Resource Insight, Incorporated Page 7 2019 Georgia PSC Docket Nos. 42310 and 42311, direct testimony with Bryan A. Jacob in Georgia Power’s 2019 integrated resource plan and demand side management plan on behalf of Souther...

AI summary The text outlines testimony provided by John D. Wilson and Paul Chernick in various regulatory proceedings in Georgia and Nova Scotia. These testimonies cover topics such as integrated resource planning, demand side management, capital expenditure plans, and infrastructure projects, with a focus on cost classification, decommissioning, and project justification.

Section 46
testimony with Paul Chernick in Nova Scotia Power’s application for the Advanced Distribution Management System Upgrade on behalf of the Nova Scotia Consumer Advocate. Need for the ADMS and integration with the Distributed Energy Resources...

AI summary Paul Chernick provided testimony in multiple regulatory proceedings, including Nova Scotia Power’s ADMS Upgrade, 2020 Load Forecast, and San Diego Gas & Electric’s EV Charging Program. His testimony focused on ensuring equitable and effective program implementation, budget controls, and evaluation processes.

Section 47
dvance California goal for electric vehicles. Budget controls. Reporting requirements. Evaluation, monitoring and verification processes. Outreach to small business customers. John D. Wilson • Resource Insight, Incorporated Page 8 Californ...

AI summary The text discusses John D. Wilson's involvement in regulatory proceedings in California and Georgia, including testimony on electric vehicle goals, budget controls, and the reasonableness of software costs. It also covers avoided cost reviews and capacity need forecasts in Georgia.

N-9Evidence - Synapse 25 passages
Section 1
Memorandum TO: NOVA SCOTIA UTILITY AND REVIEW BOARD (NSUARB) FROM: DAVID WHITE DATE: JULY 29, 2022 RE: EVIDENCE RE THE NSPI 2022 LOAD FORECAST (M10569) Introduction For many years Nova Scotia Power, Inc. (NSPI) has filed a load forecast re...

AI summary The 2022 NSPI Load Forecast Report shows a 3.4% overall increase, contrasting with recent forecasts predicting modest declines. The forecast incorporates SAE model results, DSM adjustments, and factors like customer growth, with significant increases post-2024 linked to electrification.

Section 2
Synapse Energy Economics, Inc. Evidence Regarding the NSPI 2022 Load Forecast 1 Figure 1. Net system requirements Source: Synapse from NSPI Figure C1. The historical trend for firm peak demand shows a general increase, as shown in Figure 2...

AI summary The NSPI 2022 Load Forecast predicts a 16% increase in peak demand over 2022–2032, driven by heating electrification, contrasting with prior forecasts of minimal change. DSM programs are credited with reducing energy growth from 15.4% to 3.4% over the same period, highlighting their role in mitigating demand increases.

Section 3
t DSM programs reduce that increase to a more modest 3.4 percent. These results are consistent with the previous forecast report. Overall, DSM is playing a major role in limiting the energy growth. Synapse Energy Economics, Inc. Evidence R...

AI summary DSM programs reduce energy growth to 3.4% by 2032, with residential sector showing the largest increase. Synapse's analysis supports NSPI's load forecast, highlighting DSM's role in curbing growth.

Section 4
30% -0.58% Industrial 25% +2.44% Total 100% +3.44% Source: Synapse from NSPI load forecast report. In general, the forecast seems reasonable, but there are significant increases in the energy and peak requirements from the previous forecas...

AI summary The NSPI 2022 load forecast shows significant increases in energy and peak requirements, driven by electrification and growth. Synapse recommends exploring DSM program impacts, stakeholder engagement, and technologies like battery storage to address forecast uncertainties and improve accuracy.

Section 5
re more fully technologies to control peak space heating and water heating loads. • Explore whether battery storage and solar/battery storage combinations could modify the peak loads. • Provide updates on the water heating load control pro...

AI summary The text outlines initiatives to manage peak loads through battery storage, solar/battery combinations, and DSM program updates. It emphasizes revising pandemic impacts on commercial sales, monitoring DSM savings, and addressing design day temperature changes due to global warming. Heat pumps and water heaters are highlighted as critical for residential energy efficiency.

Section 8
iven the need for general consistency within Canada as a whole. We note however the inherent uncertainty of all economic forecasts and also that the future may diverge significantly from the forecast. The forecast now gives more considerat...

AI summary NSPI updated its forecast to reflect climate change impacts, adjusting heating and cooling degree day trends. The residential sector, comprising 45% of load, is projected to grow 6.6% with DSM programs, versus 13% without. Additional weather data had minimal impact and was not incorporated.

Section 9
stomer load. The residential forecast (which includes the effects of DSM programs) increases by 6.6 percent over the forecast period. Without DSM programs, the increase would be roughly twice as much. NSPI changed the economic drivers in t...

AI summary NSPI's residential load forecast shows a 6.6% increase over the forecast period, significantly reduced by DSM programs. The forecast model uses economic drivers like new construction and household compensation, with the SAE model capturing key load factors such as heat pumps and EVs. Historical DSM savings and other variables influence average customer use calculations.

Section 11
trends. The primary change drivers for XOther are water heat (increased electric heater saturation), reductions in lighting use, and miscellaneous. The net effect is to increase XOther by 1.5 percent. From this one can see that there are m...

AI summary The document analyzes residential energy use factors, noting heating (42%), cooling (2%), and other uses (56%) drive average consumption. Forecasts show slight increases from XHeat (-0.4%), XCool (+1.6%), and XOther (+0.9%), with NSPI applying adjustments for new customers, EVs, solar, RTR markets, and DSM savings. Appendix B provides regression model results and adjustments.

Section 13
-3.1% -0.1% -6.8% 6.6% load Note: Res Sales = Existing Customer Load + New Customer Load + EV Load + Solar Load + RTR + DSM. Source: NSPI load forecast report Appendix B. Heat pumps The heat pump section of the report discusses replacement...

AI summary The report forecasts heat pump saturation increasing from 35% (2022) to 66% (2032), with residential load changes offsetting due to fossil-to-electric heating replacements. Cooling demand (XCool) rises 78%, but overall residential load increases only 1.3% due to heating efficiency gains. Uncertainty remains about installation modes (sole heat source vs. hybrid systems) and actual saturation rates.

Section 15
PI provide updates on the water heating load control project in the next load forecast report, including estimates of the impact of hot water heater device control initiatives on system peak demand.13 Electric vehicles Electric vehicles re...

AI summary The document discusses updates on water heating load control and electric vehicle (EV) load growth, noting EVs could contribute 12.5% of vehicle stock by 2032, with energy load estimates of 510 GWh and peak impacts of 89-131 MW. Uncertainty surrounds EV adoption due to supply chain issues and public goals. NSPI's SGNS project tests utility control of EV charging to shift demand to off-peak times, with a request for more SGNS results in future load forecasts.

Section 16
harging, to shift electric vehicle charging to off-peak times.16 We ask that more complete results of the SGNS project regarding electric vehicle impacts be included in the next load forecast report. Solar generation (PV) Solar generation...

AI summary The text discusses load forecasting considerations for electric vehicles, solar PV, and battery storage, noting their potential impacts. It requests more comprehensive SGNS project data on EV and battery storage impacts, and highlights new customer contributions to residential load growth.

Section 17
integrated the heat pump and hot water end-uses into the intensity calculations and regression model results rather than treating them separately. However, Figure 41 of the report does provide some 16 Id, p. 44 17 Id, pp. 45-47. 18 Id, pp....

AI summary The analysis integrates heat pump and hot water usage into load forecasting models, noting a net 541 GWh increase from heating/cooling but offset by 549 GWh reduction in baseboard heating. The commercial sector's load decreased by 0.58% over the forecast period, with subsector composition detailed. Electric vehicle adoption drives a 10.5% load increase. The SAE model's key drivers require reevaluation.

Section 18
e. In 2022, the Small General Service group represented 10 percent of the commercial load, the General Service group represented 75 percent, and the Large General Service group represented 15 percent. Our comments focus on the General Serv...

AI summary The text analyzes commercial load distribution, focusing on the General Service group (75% of commercial load) and highlights a projected 3.7% sales decline by 2032, driven by DSM program reductions (-7.3%) and offsetting factors like electrification (+2.4%). It questions the cost-benefit analysis of commercial electrification programs and notes the absence of COVID-19 variables in models, requiring reevaluation.

Section 19
e included in the commercial regression models. Results to date indicate that 2022 commercial sales are in line with those of 2019.22 This will need to be reevaluated and updated in the next forecast. Large general sales are expected to in...

AI summary The document discusses updated load forecasts for Nova Scotia's commercial and industrial sectors. Commercial sales in 2022 align with 2019 levels, requiring reevaluation. Industrial forecasts show a 2.4% growth rate, down from prior years, with methodology relying on surveys and estimates due to uncertainty around large customer demand.

Section 20
egory is based on customer surveys and new customer inquiries. Thus, the methodology is different than for the other sectors and should be considered as an informed estimate rather than a calculation. We note too that the survey of the Lar...

AI summary The industrial energy sales forecast for 2022-2032 incorporates survey data and expansion projections, noting pandemic-driven load reductions and a 3.9% overall increase. The methodology is deemed an estimate due to reliance on customer surveys. Uncertainties include major customer operational changes and unclear DSM effects in the industrial sector, prompting a request for NSPI clarification.

Section 21
clear in the report how much of the commercial and industrial demand savings presented in Figure 36 are contained in the industrial forecast. We ask NSPI to clarify the DSM effects for each sector. Synapse Energy Economics, Inc. Evidence R...

AI summary The text requests NSPI to clarify the breakdown of commercial and industrial demand savings by sector, question the leveling-off of electrification impacts post-2027, and highlight discrepancies in municipal sector energy data. It also notes that DSM adjustments in the SAE model are half of full savings due to historical data inclusion.

Section 22
t half as much as the full DSM savings. This is because the SAE model already includes the effects of some of those savings in its statistical equations, which are based on historical data and trends. The residential statistical model incl...

AI summary The document discusses adjustments to residential and commercial/industrial DSM savings forecasts, noting methodological concerns due to significant coefficient changes between years. It highlights discrepancies in the C/I adjustment and requests clarification from NSPI on the methodology's robustness.

Section 23
a reduction of 2 GWH in 2022 to 24 GWH in 2032. For the medium general load, it goes from 17 to 187 GWh, or 7.9 percent of the load in 2032. No explicit adjustments are indicated for other customers. The adjustments discussed in the foreca...

AI summary The forecast discusses load adjustments, noting a significant increase in system peak and the need to adjust DSM savings factors. Adjustments are deemed reasonable but with statistical uncertainties. Increased DSM savings may require upward adjustments.

Section 24
he peak is first modeled statistically using historical data and economic and demographic projections to produce a Modeled Peak, and then NSPI applies various adjustments to arrive at the System Peak. Table 5. Peak contribution components...

AI summary NSPI models peak demand using historical data and adjustments, with commercial/industrial electrification as the largest growth driver. The 2032 System Peak increases by 350 MW, driven by electrification, residential heating, and EV adoption, though demand response could mitigate some impacts.

Section 25
end-use. The electrification of vehicles (identified as EV) is also a major growth factor that can be mitigated with time- of-charge controls. We also wonder if more can be done with demand response. The interruptible load representing pri...

AI summary The text discusses concerns about peak load growth driven by electric vehicle adoption and industrial demand, urging NSPI to explore time-of-use rates and expanded demand response measures. It highlights the need for updated forecasts incorporating post-2026 demand response programs from the IRP Action Plan and acknowledges adjustments in load forecasting methodology.

Section 26
peak shares are shown in Figure 61 for the residential sector and in Figure 62 for the commercial sector. Our understanding is that these contributions are in the Modeled Peak values shown previously. In the NSPI response to E1 IR-9, it wa...

AI summary The text requests NSPI to clarify heat pump performance during peak loads, quantify ETS's role in reducing peak demand, and investigate water heating load control. It notes a shift from resistance heating to heat pumps in residential heating but highlights increased water heating contributions. Induction cooking's potential impact on energy use is also mentioned.

Section 27
f induction cooking is more efficient than current stoves and its possible effects considered. Induction cooking is a new technology that should be evaluated for its effects on energy and peak loads. For the commercial sector, the heat end...

AI summary The text requests NSPI to evaluate commercial heat use impacts on peak loads and refine peak forecasting methods, citing discrepancies between forecasts and actual data. Sensitivity analyses highlight weather and economic factors as key uncertainties, with ongoing efforts to improve forecasting using class-specific and AMI data.

Section 30
be biased by outliers; • Testing if Median Household Income provides a more accurate indicator of the level of income in the province is encouraged; and • Consider incorporating household size and age of household residents to determine if...

AI summary Synapse Energy Economics requests NSPI to enhance its 2022 load forecast by investigating heat pump effects, electric vehicle impacts, battery storage, and commercial electrification programs. Recommendations include incorporating household demographics, improving data on load control projects, and evaluating program cost-benefit analyses.

Section 31
• We also raise a point about the appropriateness of the commercial electrification programs. We ask NSPI to provide further information about their relative benefits and costs (p.14). • It is not clear in the report how much of the commer...

AI summary The text outlines requests for clarification and further analysis from Synapse Energy Economics, Inc. regarding NSPI's 2022 load forecast, focusing on commercial electrification programs, demand savings, EV impacts, time-of-use rates, DR measures, thermal storage, and emerging technologies like induction cooking. Questions emphasize cost-benefit evaluation, sector-specific DSM effects, and load management strategies.

Section 32
effects on energy and peak loads (p.20). • We ask NSPI to evaluate commercial heat use more fully as to what is driving it and how the peak impacts could be moderated (p.20). • We ask that NSPI review its peak forecasting methodology in li...

AI summary The text requests NSPI to improve peak load forecasting by evaluating commercial heat use, reviewing methodology, and conducting sensitivity analyses. It also supports NSPI's efforts to enhance forecast transparency. Synapse Energy Economics, Inc. provided evidence on the 2022 load forecast.

N-10Evidence - EfficiencyOne 17 passages
Section 1
Nova Scotia Utility and Review Board IN THE MATTER OF The Public Utilities Act - -and- IN THE MATTER OF NOVA SCOTIA POWER’S 2022 LOAD FORECAST REPORT (M10569) EFFICIENCYONE EVIDENCE FILED July 29, 2022 NOVA SCOTIA POWER 2022 LOAD FORECAST...

AI summary EfficiencyOne submits evidence in the Nova Scotia Utility and Review Board proceeding regarding Nova Scotia Power’s 2022 Load Forecast Report (M10569), covering electrification modeling, demand response plans, and forecasting methodologies. The document outlines sections on heat pump modeling, alternative heating systems, and demand response treatment in the forecast.

Section 3
rket Rules, the Load Forecast 15 report provides a key input to the overall planning, budgeting and operating activities of NS 16 Power to fulfil customer load. Specifically, the Load Forecast: 17 18 • forms the basis, in part, for future...

AI summary The Load Forecast is central to NS Power's planning, budgeting, and operations, informing capital planning, IRP activities, DSM studies, and rate decisions. E1 emphasizes the need for improved accuracy and proposes recommendations focused on electrification and demand response to refine NS Power's forecasts.

Section 6
ain 21 metrics, such as lowest cost, or maximum cost-effectiveness. An example of a market-wide 22 potential study is National Grid’s energy efficiency, energy optimization, and demand response 2 M10109, N-1, 2021 Load Forecast Report, pag...

AI summary Nova Scotia Power and E3 modeled an electrification scenario aligned with provincial/federal policy goals but did not prove it aligns with market trends without intervention. Market potential studies (e.g., UK RHI program) show risks of overestimating technology adoption rates, highlighting the need for evidence-based planning.

Section 8
EfficiencyOne Evidence 1 62,492 heat pumps had been accredited.” 8 This amounts to less than one-sixth of the domestic 2 heat pumps intended by the original end date. 3 4 The challenges experienced in the UK illustrate how the market can d...

AI summary EfficiencyOne (E1) highlights that only 62,492 heat pumps were accredited, far below policy targets. It criticizes NS Power's insufficient disclosure of electrification scenario assumptions in the 2022 Load Forecast, raising concerns about modeling uncertainties and their impact on planning decisions.

Section 9
on this scenario is 23 concerning without further examination. 24 25 3.1 Heat pump modelling 26 In its 2022 Load Forecast, NS Power stated the capacity of heat pumps in the residential and 8 RAP, Getting on track to net zero, a policy pack...

AI summary The text discusses NS Power's 2022 Load Forecast assumptions about heat pump performance, including coefficient of performance (COP) limitations below -7°C and reliance on backup electric resistance heating. It references E1's questions and Econoler's 2020-2022 DSM measure assessments, which calculated peak demand savings using COP values and heating capacity at -15°C.

Section 11
EfficiencyOne Evidence 1 climate, including but not limited to, Efficiency Vermont, Massachusetts Clean Energy Center, 2 National Grid, Efficiency PEI, and Energy Star. 3 4 The NS Power On-Bill Financing Study Update (M09321) dated Decembe...

AI summary EfficiencyOne (E1) argues that NS Power's 2022 Load Forecast overestimates peak demand by relying on electric resistance heating below -7°C, potentially misrepresenting cold climate heat pump adoption. E1 recommends updating the model to reflect higher COP standards (1.75 at -15°C) and removing lock-out temperatures. NS Power's assumptions about heat pump adoption rates may not align with market-driven trends.

Section 12
systems. 16 In its response to E1 IR-05 (b), when asked to confirm if these changes are expected 26 to be market-driven, NS Power stated, “[t]he model is not based on economic uptake. It is based 15 M09321, P701, On-Bill Financing Study Up...

AI summary NS Power's load forecast model prioritizes 100% heat pump saturation to meet emission targets, but lacks evidence for this approach. Alternative heating systems (e.g., ETS, wood stoves) could achieve similar policy goals with different load impacts and market uptake potential, challenging NS Power's assumptions.

Section 13
as supplemental heat, and gas heating 11 systems as supplemental heat, would have a different impact on load and would likely have a 12 different combination of system investment requirements. 13 14 Given that the 2022 Load Forecast indica...

AI summary The text discusses the impact of heating technologies on load forecasting and grid flexibility, emphasizing the need for peak load management in a net-zero grid. It references the 2022 Load Forecast and the RAP paper 'Heating Without the Hot Air,' which highlights principles for efficient and flexible heat decarbonization.

Section 14
Page 8 of 14 NOVA SCOTIA POWER 2022 LOAD FORECAST REPORT (M10569) EfficiencyOne Evidence 1 decarbonization. Further analysis has highlighted the potential for flexibility in 2 residential sector energy use, including that associated with h...

AI summary NS Power's 2020 IRP Action Plan emphasizes firm capacity resources. E1 recommends exploring electrification scenarios using electric thermal storage, wood/pellet stoves, and gas heating for grid flexibility and customer preferences. E1 offers rebates for these technologies, with evaluated savings in Table 2.

Section 15
20 on one particular technology. 21 22 E1 currently offers rebates on wood/pellet stoves and ETS units. These measures have the 23 following evaluated unitary savings as outlined in Table 2: 20 Ibid., page 13. 21 Nova Scotia Power 2020 IRP...

AI summary EfficiencyOne (E1) outlines rebate programs for wood/pellet stoves and electric thermal storage units, citing unitary peak demand savings in Table 2. E1 emphasizes the need for consistent treatment of demand response programs in load forecasts, as part of its 2023-2025 DSM Plan.

Section 16
has proposed a demand response 5 program within its 2023-2025 DSM Plan. It is important to E1 that all demand response programs 6 in the load forecast are consistently and accurately treated. 7 8 4.1 Demand Response plan in forecast 9 In t...

AI summary NS Power's 2023-2025 DSM Plan includes a demand response program, but E1 emphasizes accurate treatment in the load forecast. NS Power states that the proposed measures are part of the IRP Action Plan, not directly used in the 2022 Load Forecast.

Section 17
the forecast it was assumed that E1’s proposed demand response measures are 6 incorporated into the larger demand response program that is being developed as part of the IRP 7 Action Plan.” 24 8 9 As part of its 2023-2025 DSM Plan, E1 subm...

AI summary E1 submitted a 2023-2025 DSM Plan targeting 18 MW of demand response by 2025 but questions NS Power's 50 MW forecast, requesting clarification on the 32 MW gap. E1 also emphasizes the need for consistent treatment of demand response resources in the 2022 Load Forecast.

Section 18
recast incorporates the following demand response programs: 25 • Large Industrial Interruptible Rider (LIIR); 26 • Extra Large Industrial Active Demand Control (ELIADC) tariff; 23 M10569. NS Power 2022 Load Forecast Report, page 80 of 98,...

AI summary Recast integrates demand response programs like LIIR, ELIADC, and EV managed charging into load forecasts, removing their capacity value from firm load and applying an ELCC factor. NS Power explains ELCC factors apply when DR resources are constrained in duration or call frequency.

Section 19
ely short duration 13 per call, or if there is a limitation on the number of calls in a given period of time (e.g. per month 14 or per year), the application of an ELCC factor is warranted.” 26 15 16 E1 believes that this definition should...

AI summary E1 argues that ELCC factors should apply to all demand response resources, including LIIR and managed EV charging programs, while NS Power contends that real-time control capabilities negate the need for ELCC factors in the large industrial rider. The discussion includes program design considerations and references to regulatory matter M10569.

Section 20
Control Centre has the capability to ensure interruptible 4 customers are not contributing to peak demand during emergency conditions, over 5 long durations if necessary”. 28 6 7 E1 does not believe ELCC should be excluded entirely given N...

AI summary E1 argues against excluding ELCC entirely, citing NS Power's 2020 IRP analysis that omitted response time in capacity value modeling. NS Power differentiates curtailing interruptible customers from demand response, but E1 contends ELCC calculations should account for such differences. The debate centers on reliability and definitions of demand response programs.

Section 21
consumption patterns in response to changes in the price of electricity over time, or to incentive 24 payments designed to induce lower electricity use at times of high wholesale market prices or 28 M10569. NSPI (E1) RIR-7, page 3 of 3, li...

AI summary EfficiencyOne (E1) recommends that Nova Scotia Power (NS Power) apply a consistent framework to evaluate the value of demand response programs, particularly in assessing consumption patterns influenced by electricity pricing and incentive payments during high wholesale market periods or system reliability risks.

Section 22
vidence 1 when system reliability is jeopardized.” 31 2 3 E1 recommends that NS Power apply the same framework when assessing the value provided 4 by different demand response programs. 5 6 5. SUMMARY 7 What are the primary recommendations...

AI summary E1 recommends updating NS Power's heat pump modeling to reflect current adoption trends, exploring electrification scenarios with specific technologies, providing a plan for demand response capacity, and applying a consistent framework for assessing demand response programs to ensure system reliability and effective resource planning.

N-11E1(NSPI) RIR-1 to RIR-2 24 passages
Section 1
EfficiencyOne (E1) – In the Matter of Nova Scotia Power Incorporated’s (NS Power) 10-Year Energy and Demand Forecast (2022 Load Forecast Report) – M10569 E1 Responses to NS Power Information Requests NON-CONFIDENTIAL 1 Request IR-01: 2 3 R...

AI summary EfficiencyOne (E1) responds to Nova Scotia Power's (NS Power) request for data on heat pump installations in Nova Scotia, including forecast vs. actual installations, energy consumption, and savings from 2022 to 2025. E1 references UK and RAP reports highlighting gaps between heat pump deployment targets and actual outcomes.

Section 2
s by year (kWh and kW demand associated with each heat pump installation 23 or overall). 24 25 (c) The forecast and actual energy and demand savings for heat pump installations by year. Date Filed: 12 September 2022 E1 (NS Power) IR-01 Pag...

AI summary The document outlines NS Power's 10-year energy and demand forecast, focusing on heat pump installations' energy savings by year. EfficiencyOne (E1) provided responses to NS Power's information requests as part of the regulatory proceeding M10569, which includes forecasts and actual energy/demand savings data.

Section 4
1 (d) The forecast and actual incentive ($) totals associated with heat pump installations by 2 year. 3 4 (e) The average coefficient of performance (COP) of heat pumps installed by year. 5 6 Response IR-01: 7 EfficiencyOne has historicall...

AI summary EfficiencyOne (E1) provides data on heat pump installations under the Green Heat program, including forecast vs. actual installations and COP metrics. Data sources include DSM Evaluation Reports and specific matter numbers (e.g., M03669, M04819). The 2015 DSM Plan was not modeled.

Section 5
ts’ • Rows 67, 68, 69, 70 • Column K 2015 n/a (2015 DSM Plan was not modelled) M07393, E-1, 2015 DSM Evaluation Reports, Green Heat, Table 13, page 29. 2016 M06733, E-7 E1 (NSPI) RIR-10 Attachment 1 M07964, E-1, 2016 DSM Evaluation Reports...

AI summary EfficiencyOne (E1) provides responses to NS Power's information requests regarding the 2022 Load Forecast Report, comparing forecasted vs. actual installations from 2015–2017. References include past regulatory matters (e.g., M07393, M06733), DSM evaluation reports, and tables from Green Heat and residential program data.

Section 7
2018 M06733, E-7 E1 (NSPI) RIR-10 Attachment 1 M09096, E-5, 2018 DSM Evaluation Reports, • Row 243; (Column AY 1000)/(Column Existing Residential Program, Table 29, page E Column N) 46. • Row 244; (Column AY 1000)/(Column E Column N) 2019...

AI summary The document references multiple years (2018–2024) of DSM Evaluation Reports and technical tables related to Nova Scotia Power's Existing Residential Program. It cites matter numbers (e.g., M06733, M09096) and specific table rows/columns from these reports, indicating ongoing regulatory analysis of program performance and cost metrics.

Section 8
2024 M10473 E-1(i) Appendix A Attachment 4 2023- n/a 2025 Settlement Plan Measure Level Energy Efficiency Technical Tables • Rows 254, 255, 256, 257 • Column Z 2025 M10473 E-1(i) Appendix A Attachment 4 2023- n/a 2025 Settlement Plan Measu...

AI summary EfficiencyOne (E1) provides data on heat pump energy savings from DSM Plans and technical tables for NS Power’s 2025 Settlement Plan. The document references measure-level energy efficiency data and a 10-year forecast proceeding (M10569).

Section 15
Power) 10-Year Energy and Demand Forecast (2022 Load Forecast Report) – M10569 E1 Responses to NS Power Information Requests NON-CONFIDENTIAL Year Forecast Incentive Level Actual Incentive Level 2013 M04819, E-7 (C ), ENSC (Avon) RIR-11 Ce...

AI summary The document outlines E1's responses to NS Power's information requests regarding energy and demand forecasts, including rebate details for heat pump programs from 2013–2015. It references specific matter numbers (M10569, M04819) and highlights rebate levels for Central Ducted Air Source and Ground Source Heat Pumps, with varying percentages and caps.

Section 17
October 2, 2015 – December 31, 2015: Ductless Muni-Split Heat Pump: $300 rebate for First Head and $150 rebate for each subsequent head or system. 2016 M06733, E-7 E1 (NSPI) RIR-10 Attachment 1 Ductless Mini-Split Heat Pump: $300 rebate •...

AI summary The document outlines rebate amounts for various heat pump models from 2016 to 2020, including ductless mini-split, central ducted, air-to-water, and ground source systems. It references multiple regulatory matters (e.g., M06733, M08604) and evaluation reports related to residential programs and DSM (Demand Side Management) initiatives.

Section 18
2020 DSM Evaluation Reports, Technical Tables Existing Residential Program, Table 24, page • Rows 248, 255, 256, 257; Column 32. J Column K 2021 M09096 E-1(i) Appendix A Attachment 1 M10473, E-2, 2021 DSM Evaluation Reports, Technical Tabl...

AI summary The document references 2020 and 2021 DSM Evaluation Reports, technical tables, and matter numbers (M09096, M10569) related to Nova Scotia Power's 10-Year Energy and Demand Forecast. EfficiencyOne (E1) provided responses to NS Power's information requests, including data from specific table rows and columns.

Section 20
E1 (NS Power) IR-01 Page 7 of 7 EfficiencyOne (E1) – In the Matter of Nova Scotia Power Incorporated’s (NS Power) 10-Year Energy and Demand Forecast (2022 Load Forecast Report) – M10569 E1 Responses to NS Power Information Requests NON-CON...

AI summary EfficiencyOne (E1) recommends NS Power explore electrification scenarios using electric thermal storage (ETS), wood/pellet stoves, and gas heating systems. E1 requests data on installations, energy consumption, demand savings, and rebate totals for these technologies from rebate inception through the 2025 DSM plan, emphasizing grid flexibility and peak load management.

Section 21
ETS and wood/pellet stove 24 installations by year. 25 26 (d) The forecast and actual incentive ($) totals associated for both ETS and wood/pellet stove 27 installations by year. Date Filed: 12 September 2022 E1 (NS Power) IR-02 Page 1 of...

AI summary EfficiencyOne (E1) responds to Nova Scotia Power's (NS Power) information requests regarding the 2022 Load Forecast Report, including data on ETS and wood/pellet stove installations, forecast vs. actual incentive totals by year. The proceeding is referenced as M10569.

Section 23
1 Response IR-02: 2 EfficiencyOne has historically included residential wood/pellet stoves and ETS units (since 2020) 3 through the Home Energy Assessment, and New Home Construction program components, 4 however wood/pellet stove and ETS s...

AI summary EfficiencyOne's Green Heat program component includes data on wood/pellet stove and ETS unit installations, with forecast and actual numbers referenced in tables citing specific matter numbers and documents. Data availability is highlighted for this program compared to others.

Section 26
Year Forecast Number of Wood/Pellet Stove Actual Number of Wood/Pellet Stove 2018 M06733, E-7 E1 (NSPI) RIR-10 Attachment 1 M09096, E-5, 2018 DSM Evaluation Reports, • Row 238; (Column AY 1000)/(Column Existing Residential Program, Table 2...

AI summary A table linking forecast and actual numbers of wood/pellet stoves across 2018–2024, referencing DSM evaluation reports and matter numbers (e.g., M06733, M09096). Data sources include technical tables from settlement plans and annual reports.

Section 29
Year Forecast Number of ETS Actual Number of ETS 2018 n/a n/a 2019 n/a n/a 2020 M09096 E-1(i) Appendix A Attachment 1 M10056, E-1, 2020 DSM Evaluation Reports, Technical Tables Existing Residential Program, Table 30, pages • Rows 157, 158...

AI summary The document presents a table comparing forecasted and actual Energy Efficiency Savings (ETS) across years 2018-2025, referencing specific regulatory matters (e.g., M09096, M10473) and technical tables from DSM evaluation reports. It highlights discrepancies between projected and actual savings for energy and demand reductions, with citations to evaluation reports and technical data.

Section 30
• Rows 263, 264 • Column Z 1 2 (b) E1 has projected and actual total energy and demand savings for both ETS and wood/pellet 3 stove installations by year as provided in measure level technical tables associated with 4 DSM Plans and annual...

AI summary E1 (EfficiencyOne) provides projected and actual energy savings data for ETS and wood/pellet stove installations but does not track energy consumption in the Green Heat program. Tables in DSM Plans and annual evaluations are referenced for detailed savings data.

Section 33
Green Heat, Table 14, page 32. 2016 M06733, E-7 E1 (NSPI) RIR-10 Attachment 1 M07964, E-1, 2016 DSM Evaluation • Rows 238, 240 Reports, Existing Residential Program, Table 28, page 64. • Column AA • Column Z 2017 M06733, E-7 E1 (NSPI) RIR-...

AI summary The text lists references to Green Heat and DSM Evaluation Reports from 2016 to 2021, citing matter numbers (e.g., M06733, M07964) and specific table rows/columns in documents related to Nova Scotia Power Incorporated (NSPI) and EfficiencyOne (E1). It tracks DSM program evaluations across years.

Section 34
, page 50. • Column AD • Column AC 2021 M09096 E-1(i) Appendix A Attachment 1 Technical M10473, E-2, 2021 DSM Evaluation Tables Reports, Existing Residential • Rows 248, 252 Program, Table 36, page 50. • Column AP • Column AO Date Filed: 1...

AI summary The document references EfficiencyOne's (E1) responses to Nova Scotia Power Incorporated's (NS Power) information requests regarding the 10-Year Energy and Demand Forecast (M10569). It includes technical tables and reports from the 2021 DSM Evaluation, specifically Table 36 on page 50.

Section 36
Year Forecast Energy Forecast Demand Actual Energy Actual Demand Savings Wood/Pellet Savings Wood/Pellet Savings Savings Stove Stove Wood/Pellet Wood/Pellet Stove Stove 2022 M09096 E-1(i) Appendix A Attachment 1 Technical n/a Tables • Rows...

AI summary The text presents tables comparing forecast and actual energy/demand savings across years (2022-2025), referencing specific regulatory matters (M09096, M10473) and technical appendices. It includes row/column references from '2023-2025 Settlement Plan Measure Level Energy Efficiency Technical Tables' and mentions 'ETS Unit Installations' in energy savings contexts.

Section 37
Installations Installations 2012 n/a n/a n/a n/a 2013 n/a n/a n/a n/a 2014 n/a n/a n/a n/a 2015 n/a n/a n/a n/a 2016 n/a n/a n/a n/a 2017 n/a n/a n/a n/a 2018 n/a n/a n/a n/a 2019 n/a n/a n/a n/a 2020 M09096 E-1(i) Appendix A Attachment 1...

AI summary EfficiencyOne (E1) responds to Nova Scotia Power Incorporated (NS Power) information requests regarding DSM evaluations and residential programs, referencing matters M09096, M10056, M10473, and M10569. Technical tables and reports from 2020 and 2021 are cited in the context of demand-side management program assessments.

Section 41
Power) 10-Year Energy and Demand Forecast (2022 Load Forecast Report) – M10569 E1 Responses to NS Power Information Requests NON-CONFIDENTIAL Year Forecast Incentive Level Wood/Pellet Actual Incentive Level Wood/Pellet Stoves Stoves Wood/P...

AI summary The document references the 10-Year Energy and Demand Forecast (2022 Load Forecast Report) and includes responses from E1 to NS Power information requests. It outlines rebate levels for wood/pellet stoves and references various regulatory filings and evaluations related to demand-side management programs.

Section 42
2, 2017 DSM Evaluation Reports, • Rows 238, 240; Column Existing Residential Program, Table 20, page G Column H 34.

AI summary The text references DSM Evaluation Reports from 2017 and mentions specific rows and columns in Table 20 on page 34, which relate to the Existing Residential Program.

Section 43
2018 M06733, E-7 E1 (NSPI) RIR-10 Attachment 1 M09096, E-5, 2018 DSM Evaluation Reports, • Rows 238, 240; Column Existing Residential Program, Table 22, page G Column H 31. 2019 n/a (2019 DSM Plan was not modelled) M09651, E-1, 2019 DSM Ev...

AI summary The text lists various years with associated matter numbers and references to DSM Evaluation Reports and technical tables, specifically focusing on the Existing Residential Program and Energy Efficiency Technical Tables across multiple years.

Section 44
t 4 n/a 2023-2025 Settlement Plan Measure Level Energy Efficiency Technical Tables • Rows 260, 261, 269, 270 • Column K Date Filed: 12 September 2022 E1 (NS Power) IR-02 Page 8 of 9 EfficiencyOne (E1) – In the Matter of Nova Scotia Power I...

AI summary This document is part of a regulatory proceeding involving Nova Scotia Power Incorporated's 10-year energy and demand forecast, specifically the 2022 Load Forecast Report. It includes EfficiencyOne's (E1) responses to information requests from NS Power, focusing on the 2023-2025 Settlement Plan Measure Level and Energy Efficiency Technical Tables.

Section 46
Year Forecast Incentive Level Wood/Pellet Actual Incentive Level Wood/Pellet Stoves Stoves 2025 M10473 E-1(i) Appendix A Attachment 4 n/a 2023-2025 Settlement Plan Measure Level Energy Efficiency Technical Tables • Rows 260, 261, 269, 270...

AI summary The text presents tables and references to various regulatory matters and documents related to incentive levels for wood/pellet stoves and Energy Efficiency Technical Tables. It includes references to specific regulatory matters, evaluation reports, and program tables.

N-12NS Power Rebuttal Evidence 14 passages
Section 5
2.5 Recommendation 5: .....................................................................19 33 3.2.6 Recommendation 6: .....................................................................19 DATE FILED: September 26, 2022 Page 2 of 25 20...

AI summary This document is a rebuttal to the 2022 Load Forecast Report, containing sections on recommendations related to load forecasting, small business advocacy, and efficiency programs. It outlines various recommendations and stakeholder positions within a regulatory proceeding context.

Section 14
1 Technology 2 3 With a forecast of increased sales and, in particular, increased peak demands, mitigating measures 4 will play a key role over the coming years. At a high level, the forecast already includes the 5 projected impact from ne...

AI summary NS Power discusses mitigating increased peak demand through measures like new rate programs, direct load control, and commercial curtailment, as outlined in its 2020 IRP. Ongoing projects (e.g., Smart Grid Nova Scotia) and emerging technologies (e.g., heat pumps) will inform future forecasts. The CA recommended analyzing weather-related factors on peak loads, which NS Power agrees to include in the 2023 forecast.

Section 19
1 The increased initial cost compared to a regular resistance heater tank and the 2 fact that the unit will cool the space in which it is installed will likely temper 3 uptake of this technology in the near term. 4 5 3.1.3 Recommendation 3...

AI summary The text discusses the limited near-term uptake of a water heating technology due to higher initial costs and cooling effects. NSPI is requested to update the load forecast on water heating load control and SGNS project results. NS Power responds with preliminary data and mentions ongoing analysis, including a joint project with E1.

Section 21
, 2022 Page 9 of 25 2022 Load Forecast Report Rebuttal NON-CONFIDENTIAL 1 3.1.5 Recommendation 5: 2 3 “We ask that more complete results of the SGNS project regarding 4 battery storage be included in the next load forecast report. We 5 fur...

AI summary The document includes two recommendations and NS Power's responses. Recommendation 5 requests inclusion of SGNS project battery storage results and EV battery peak management analysis. NS Power states data collection is ongoing, with updates reported to NSUARB. Recommendation 6 questions commercial electrification programs' appropriateness; NS Power clarifies no specific programs exist, referring customers to third-party options.

Section 23
Page 10 of 25 2022 Load Forecast Report Rebuttal NON-CONFIDENTIAL 1 of these activities is not picked up in the underlying models, so estimates of these 2 initiatives are included separately. Beyond the estimated load impact, relative 3 be...

AI summary NS Power clarifies that 15% of commercial/industrial demand savings are allocated to industrial sectors, with 85% to commercial. It agrees to investigate post-2027 electrification impacts. Additional programs from federal and provincial bodies are referenced.

Section 25
, 2022 Page 11 of 25 2022 Load Forecast Report Rebuttal NON-CONFIDENTIAL 1 3.1.9 Recommendation 9: 2 3 “We’d like further explanation from NSPI about why the 4 commercial and industrial adjustment varies so much from what 5 was used last y...

AI summary NS Power explains that variations in DSM coefficients between 2021-2022 stem from revised commercial lighting efficiency data. It agrees that adjustment factors should rise with increased DSM savings but notes the 2023-2025 plan aligns with prior levels. A recommendation urges exploring time-of-use rates to address peak load growth in commercial/industrial sectors.

Section 27
ILED: September 26, 2022 Page 12 of 25 2022 Load Forecast Report Rebuttal NON-CONFIDENTIAL 1 NS Power Response: 2 3 NS Power agrees with this recommendation. Current pilot programs include 4 time variable pricing, water heater control and...

AI summary NS Power agrees to incorporate demand response measures from the IRP Action Plan into future forecasts and highlights pilot programs like time-variable pricing and a new tariff for multi-unit buildings. It acknowledges limited adoption of electric thermal storage for peak load moderation.

Section 28
Response: 29 30 NS Power confirms that at present, electric thermal storage is not widely used as 31 either a primary or backup heat source, with only 13,000 customers using the DATE FILED: September 26, 2022 Page 13 of 25 2022 Load Foreca...

AI summary NS Power responds to recommendations regarding load management technologies, agreeing with some but noting limitations. It acknowledges low adoption of electric thermal storage, potential for water heating load control, and the long-term impact of induction cooking. Commercial heat use analysis is also recommended for future forecasts.

Section 29
.1.16 Recommendation 16: 30 31 “We ask NSPI to evaluate commercial heat use more fully as to 32 what is driving it and how the peak impacts could be moderated.” 33 DATE FILED: September 26, 2022 Page 14 of 25 2022 Load Forecast Report Rebu...

AI summary NS Power responds to recommendations regarding commercial heat use forecasting, peak load discrepancies, and 2032 peak sensitivity analysis. It attributes peak differences to weather adjustments, validates methodology using 2022 data, and cites collaboration with E1 and alignment with the IRP Action Plan.

Section 31
LED: September 26, 2022 Page 15 of 25 2022 Load Forecast Report Rebuttal NON-CONFIDENTIAL 1 NS Power Response: 2 3 NS Power agrees with the recommendation and will provide a peak sensitivity 4 analysis similar to what was done for energy i...

AI summary NS Power agrees to provide a peak sensitivity analysis for load forecasting and references existing report details for Figure D8. They also highlight Figure 68 comparing forecasts with IRP scenarios, noting the 2022 evergreen IRP work will evaluate electrification and DSM impacts.

Section 32
ation. The 2022 32 evergreen IRP work will assess scenarios and sensitivities evaluating updated 33 electrification profiles coupled with ranges of DSM programming and other peak DATE FILED: September 26, 2022 Page 16 of 25 2022 Load Forec...

AI summary The 2022 Load Forecast Report Rebuttal discusses the 'evergreen IRP work' evaluating updated electrification profiles, DSM programming ranges, and peak management scenarios as part of Nova Scotia Power's integrated resource planning process.

Section 37
line loss determination model. NS Power should report on its 32 progress on a quarterly basis until the project is complete to the 33 satisfaction of the Board.” 34 DATE FILED: September 26, 2022 Page 19 of 25 2022 Load Forecast Report Reb...

AI summary NS Power clarifies that line loss by rate class is not used in the system load forecast but is relevant to rate setting. The Small Business Advocate (SBA) urges NSPI to clarify how SGNS project data, particularly on EV load and peak contributions, is incorporated into the Load Forecast. NS Power states SGNS data is being analyzed and will be considered for future Load Forecast updates.

Section 40
1 3.3.2 Recommendation 2: 2 3 “The SBA recommends further explicit incorporation of 4 historical data obtained through the SGNS Project, forecasted 5 EV and electric heating adoption rates based upon currently 6 available or planned incent...

AI summary The SBA recommends incorporating historical SGNS Project data, EV/electric heating adoption forecasts with incentive considerations, and uncertainty evaluation. NS Power responds that data will be gathered from multiple sources, including E3's 2022 findings, and uncertainty will be modeled via the IRP. E1 recommends updating heat pump modeling to reflect current cold-climate adoption trends and remove misaligned lock-out temperatures.

Section 45
1 3.4.3 Recommendation 3: 2 3 “That NS Power provide a plan and explanation for the 4 remaining demand response capacity required to satisfy the 5 projected 2025 capacity, detailing the incremental program 6 options to be utilized and how...

AI summary The document discusses NS Power's response to recommendations regarding demand response (DR) capacity planning and the application of an ELCC factor to DR programs. NS Power explains that DR potential was identified using E1’s study and that DR is included in the load forecast as a foreseeable opportunity. The company is consulting with E1 and stakeholders on DR implementation.

87729Board Decision Letter 8 passages
Section 2
ce was filed by the CA, EOne, and Synapse on July 29, 2022. On August 12, 2022, EOne responded to IRs from the NS Power. NS Power filed its Rebuttal Evidence on September 26 ,2022. 2022 Load Forecast NS Power uses two discrete elements for...

AI summary The 2022 Load Forecast by NS Power incorporates Statistically Adjusted End-Use (SAE) models and Demand Side Management (DSM) adjustments. Near-term growth is attributed to customer expansion and higher electricity use, while mid-to-long term growth stems from electric heating, EV adoption, and infrastructure projects. NS Power expects DSM initiatives and solar installations to offset some growth, projecting 0.3% annual NSR increases through 2032.

Section 5
ear actual 2 Based on Table A2 in 2022 and 2021 Load Forecast reports and in Table A3 in each annual report from 2015 to 2020 Document: 298717 -3- However, the significant increase in Load for 2022 is mainly attributed to the application o...

AI summary NS Power attributes a 2022 load increase to E3's estimated peak model, planning to validate it with AMI data. Intervenors praised forecast improvements but raised concerns about heat pump adoption, EV growth, new demand-reducing technologies, and peak management via Smart Grid Nova Scotia (SGNS) project outcomes.

Section 6
EV forecast, investigation of new technologies to reduce energy and peak demand, and the management of peak through the Smart Grid Nova Scotia (SGNS) project results and direct control water heaters. The CA filed evidence prepared by John...

AI summary The Consumer Advocate (CA) submitted evidence from John Wilson of Resource Insight Inc., recommending NS Power improve climate change scenario analysis, enhance weather station integration, refine peak load forecasting models, address modeling errors in residential energy models, and adjust assumptions about heat pump usage. Wilson also requested quarterly updates on the line loss determination model.

Section 7
ing storm closures at peak periods. Lastly, Mr. Wilson requested that NS Power complete the line loss determination model and report on its progress on a quarterly basis until the project is complete. The SBA raised concerns about the accu...

AI summary Mr. Wilson requested NS Power to finalize the line loss model with quarterly updates. The SBA questioned the EV and space heating forecast accuracy, urging data integration and incentive evaluation. EOne recommended updating heat pump models, exploring electric thermal storage, and assessing DR capacity frameworks to address growing peak load.

Section 8
me framework to assessing the value of different DR programs and an effective load carrying capacity (ELCC) factor be applied. Document: 298717 -4- In its evidence to the Board, Synapse noted continued improvement in the Load Forecast, how...

AI summary Synapse submitted evidence to the Board highlighting improvements in NS Power's Load Forecast but recommending revisions, including re-evaluating economic variables, investigating heat pump impacts, updating EV and battery storage analyses, and clarifying DSM adjustments. Synapse also requested quantification of ETS demand moderation, peak load sensitivity analysis, and methodological reviews for peak forecasting.

Section 9
mpacts on peak. Synapse asked that NS Power review its peak forecasting methodology and provide a peak sensitivity analysis as well as the assumptions and calculations used. NS Power Reply Submission In its Reply, NS Power addressed the co...

AI summary Synapse requested NS Power to review its peak forecasting methodology and provide sensitivity analyses. NS Power agreed to incorporate multi-hour weather data, refine electrification impact assessments, and evaluate hybrid demand response scenarios while integrating findings from recent studies and projects.

Section 10
n process, as well as a scenario analysis for ETS to moderate peak load. It will monitor growth in heating load for commercial customers and work with EOne on possible firm peak mitigation strategies. NS Power confirmed that the model used...

AI summary NS Power discusses heat pump COP assumptions, DSM allocation between commercial and industrial classes, and rejects intervenor requests on line loss modeling and ELCC factors for LIIR. It also denies a request for commercial electrification analysis and plans to address EV load shapes with ELCC adjustments.

Section 11
adjustment to EV load shapes. A request for the information on the benefits and costs of commercial electrification programs was denied as NS Power has not performed such an analysis. Board Findings The Board notes that NS Power has agreed...

AI summary The Board acknowledges NS Power's agreement to intervenors' Load Forecast recommendations but mandates further implementation, including detailed analysis of electrification impacts, economic model evaluations, and stakeholder engagement. NS Power must also refine weather-normalized calculations and consider Canadian-specific elasticity data in future forecasts.

86578NSUARB (NSPI) IR-1 to IR-36 5 passages
Section 8
Document: 295519 (P-194) Date Filed: June 9/22 UARB (NSPI) Pg. 3 of 10 1 a) Please cite the sources for the GDP estimates used in the forecast model. 2 b) Please confirm the year that the values are chained to. 3 i. Please confirm that the...

AI summary The UARB requests clarification on GDP estimates, employment data updates, EIA data calibration, and the realism of heat pump adoption forecasts in NSP's application. Questions focus on data sources, methodology alignment with Statistics Canada, and justification for modeled scenarios.

Section 14
Document: 295519 (P-194) Date Filed: June 9/22 UARB (NSPI) Pg. 5 of 10 1 Request IR-13: 2 With reference to Section 4.4 End-Use Intensity Trends, page 41 of 98, Figure 25: Water Heater 3 Forecast: 4 a) Please provide actuals for the years...

AI summary The UARB requests data on water heater end-use intensity trends (2016-2021 actuals) and explanations for forecast discrepancies. It also seeks sources for EV adoption estimates, stock rollover data, and comparative EV forecast tables between 2021 and 2031 models.

Section 15
by 2031, and the previous 27 forecast of 58,000 EVs in the 2021 Load Forecast. Please provide a table with the data that was 28 used in each model. 29 30 Request IR-17: 31 With reference to Section 4.4 Electric Vehicles, page 43 of 98, the...

AI summary The text requests clarification on discrepancies in electric vehicle (EV) forecast data between 2021 and 2031, asks for detailed data tables used in models, and inquires about the data source (Nova Scotia, Canadian, American, or other) for E3’s EV simulation tool.

Section 16
ving and charging of thousands of EV drivers…”. 34 a) Please identify if the basis for simulating driving habits uses Nova Scotia data, Canadian 35 data, American data, or other.

AI summary The text presents a question regarding the data source used to simulate driving habits for electric vehicle (EV) charging. It asks whether the basis for the simulation uses Nova Scotia, Canadian, American, or other data, highlighting a focus on data origin in EV-related modeling.

Section 17
Document: 295519 (P-194) Date Filed: June 9/22 UARB (NSPI) Pg. 6 of 10 1 i. Please provide a copy of the data used in the mode and the source for driving 2 habits. 3 b) If residential sales are expected to be elevated due to increased work...

AI summary The UARB requests data on residential driving habits, expanded tables for PV impact and electrification forecasts, explanations for price elasticity choices, and reasons for declines in DSM savings forecasts. Requests focus on data transparency, methodological consistency, and alignment with Canadian standards in load forecasting.

86600Synapse (NSPI) IR-1 to IR-41 9 passages
Section 9
Document #:296069 Date Filed: June 14, 2022 Synapse (NSPI) Page 4 of 16 1 c. Please provide supporting evidence for the 35 percent saturation of customers providing 2 their heat via heat pumps in 2022 (p.36). 3 d. Please provide the data s...

AI summary The document outlines regulatory requests from the Board to NSPI and E3 regarding heat pump saturation data, residential water heater efficiency standards, and electric vehicle load patterns. Requests focus on evidence, data sources, and impact analyses for heat pumps, water heating technologies, and EV integration into the grid.

Section 10
(Section 4.4, pp 41-45) 26 a. How do the daily load shapes for various types of electric vehicles correspond to NS’s 27 system load patterns? How does the peak demand pattern for electric vehicles correspond 28 to NS’s summer and winter pe...

AI summary The text outlines questions regarding electric vehicle (EV) load patterns, the EV Load Shaping Tool, time-of-use tariffs, SGNS project results, and calculations in figures. It focuses on aligning EV demand with NS’s system load, tool specifics, tariff details, and data validation.

Section 13
ses rather than declining as it 27 has historically in Figure 33. 28 29 Request IR-13: 30 Commercial and Industrial Growth (Section 4.4, pp 52-53) 31 a. Please provide the detailed calculations behind the values presented in Figure 34. 32...

AI summary Request IR-13 seeks detailed calculations for Figure 34's commercial/industrial demand growth projections, specifically identifying heat pump contributions and distinguishing growth from new customers versus existing ones. The request focuses on analyzing drivers of demand increases in the sector.

Section 15
Document #:296069 Date Filed: June 14, 2022 Synapse (NSPI) Page 6 of 16 1 Request IR-14: 2 Price Data (Section 4.5, pp 54-55) 3 a. Please provide the Fuel Stability Price Compliance document that is the basis for the 4 prices in Figure 35....

AI summary The document outlines information requests related to fuel price data, demand-side management (DSM) modeling, and residential sector adjustments. It seeks clarification on the basis for electricity price figures, DSM values in forecasts, statistical analysis for DSM coefficients, and annual SAE model adjustments for EVs and residential sectors.

Section 18
Document #:296069 Date Filed: June 14, 2022 Synapse (NSPI) Page 7 of 16 1 d. Please explain in more detail the reasoning behind the continued work-from-home impacts 2 at 2023 levels. 3 e. The report cites increased electric heating load as...

AI summary The document contains regulatory requests for detailed explanations on work-from-home impacts, electric heating load growth, building efficiency regulations, and commercial sector energy usage forecasts. Questions focus on quantifying load changes, calculation methodologies, and potential regulatory impacts on energy efficiency metrics.

Section 21
each load component element (residential, 17 small general service, general service, large general service, small industrial, medium 18 industrial, large industrial, municipal, losses, own use,) to the total NSR as shown in Figure 19 52 fo...

AI summary The text outlines requests for detailed information on load components, demand response (DR) resources, energy loss cost correction (ELCC) calculations, DR savings, peak demand modeling, and data calibration. Specific figures (53, 54, 58, 59) and unexplained values are highlighted for clarification.

Section 23
Document #:296069 Date Filed: June 14, 2022 Synapse (NSPI) Page 10 of 16 1 h. Please provide the data and calculations behind the peak share values in Figures 61 and 2 62 including the actual load values as well as the percentages. Please...

AI summary The document contains regulatory requests for data and explanations related to peak demand analysis, AMI coverage, DSM impacts, and sensitivity analysis variables. Requests include clarifying peak share calculations, AMI coverage levels, loss levels, DSM differences, and the rationale for selected sensitivity analysis variables.

Section 32
Document #:296069 Date Filed: June 14, 2022 Synapse (NSPI) Page 13 of 16 1 Request IR-38: 2 Appendix B: Combined Model for Commercial and Industrial DSM Coefficient (pp 25-26) 3 a. Please provide in electronic spreadsheet format the data a...

AI summary The document contains regulatory requests (IR-38 to IR-41) directed at Synapse (NSPI), seeking detailed data, methodological explanations, and justifications for models related to demand-side management (DSM) coefficients, peak forecasts, and forecast accuracy. Requests focus on transparency in statistical models, variable selection, and data normalization.

Section 37
v) NS Power’s rebuttal was agreeable with many of the recommendations by intervenors. 34 However, in response to intervenors’ request for more information on the Smart Grid Nova Document #:296069 Date Filed: June 14, 2022 Synapse (NSPI) Pa...

AI summary NS Power agreed with intervenors' recommendations but noted preliminary results from Smart Grid and Water Heating Demand Response projects. The Board directed NS Power to report these projects' load impact in the 2022 Load Forecast.

86617SBA (NSPI) IR-1 to IR-19 4 passages
Section 3
Page 1 of 5 1 Request IR-1: Please provide all inputs and outputs to the customer count models for all classes 2 relying upon such a model in excel format like those provided in Attachments 5-9. 3 4 Request IR-2: Please refer to page 52 of...

AI summary The document contains five requests (IR-1 to IR-5) seeking data on customer count models, electrification program targets, load forecasting assumptions, system peak growth rationale, and EV adoption forecasts. Requests focus on transparency around electrification strategies, program incentives, and load modeling methodologies.

Section 4
42, Lines 8-11, of the Filing. 28 a) What led to an increase in the forecasted estimate of EVs in Nova Scotia by 2031 29 (75,000+) compared to the 2021 report that only forecasted 58,000? 30 b) Are current supply chain issues related to EV...

AI summary The text raises questions about increased EV forecasts in Nova Scotia by 2031 (from 58,000 to 75,000+), querying reasons for the rise and whether supply chain issues for EV batteries are considered. It also asks about low ELCC values for demand response, requesting separate ELCC calculations for specific programs and whether response time factors are included.

Section 6
M10569 – SBA IRs – June 16, 2022 Page 2 of 5 1 Request IR-7: Please refer to Figure 54: Demand Response on page 81 of the Filing. 2 a) Do the values represented in the Business, Non-Profit & Industrial (BNI) Curtailment 3 column correspond...

AI summary The SBA requests clarification on BNI curtailment data alignment with prior analyses, third-party EV charging aggregator identification, and assumptions behind managed/unmanaged EV load scenarios. Questions focus on methodology, stakeholder roles, and impacts on system reliability and load profiles.

Section 9
M10569 – SBA IRs – June 16, 2022 Page 3 of 5 1 a) Is it truly accurate to describe this as a forecast, or would it best be termed as an 2 “adoption scenario”? 3 b) Given that this is one scenario, has NSPI or E3 forecasted adoption rates u...

AI summary The document contains 16 requests (IR-1 to IR-16) questioning NSPI and E3's electrification forecasts, including terminology accuracy, adoption scenario discrepancies, categorization of electrification (heating/cooling vs. transportation), and methodology for accounting for electrification in commercial and industrial classes.

86618CA (NSPI) IR-1 to IR-23 9 passages
Section 6
Date Filed: June 16, 2022 CA (NSPI) Page 2 of 11 1 b. If NS Power does not have load data by transmission zone, please explain how NS 2 Power determines load flows in transmission planning. 3 4 c. Please discuss NS Power’s plan to develop...

AI summary The document includes regulatory requests to NS Power regarding load data management, transmission planning, EV charging impact assumptions, and DSM adjustments. Questions focus on data collection methods, EV load modeling, and demand-side management efficacy, with specific references to technical reports and forecasting methodologies.

Section 7
d event, to determine whether charging demand may be different during peak load 27 events. 28 29 Request IR-5: 30 31 Reference Report pp. 57-58 regarding the DSM adjustments, please provide workpapers in 32 electronic format with working f...

AI summary The text includes two information requests related to demand-side management (DSM) adjustments and a 2022 load forecast report. It asks for detailed workpapers on DSM coefficient calculations and seeks confirmation of data relationships in the residential load forecast table.

Section 8
42 Regression (GWh)” table. 43 44 a. Please confirm that the “DSM captured by end uses” column is the “Total Res DSM” 45 column, minus the “Res DSM Adjustment” column. 46

AI summary The text requests confirmation that the 'DSM captured by end uses' column in the 'Regression (GWh)' table is calculated by subtracting the 'Res DSM Adjustment' column from the 'Total Res DSM' column.

Section 9
Date Filed: June 16, 2022 CA (NSPI) Page 3 of 11 1 b. Please list the parameters in the end use computation that could “capture DSM”. 2 3 c. Please provide a specific example of the manner in which the end use inputs or 4 parameters could...

AI summary The document contains regulatory requests seeking clarification on DSM parameterization in end-use models, peak model limitations, and pandemic-driven customer growth impacts. It asks NS Power to explain how DSM factors are captured in regression analyses, the significance of parameters in peak models, and whether new customer growth relates to pandemic migration patterns.

Section 18
Date Filed: June 16, 2022 CA (NSPI) Page 6 of 11 1 b. Provide documentation of the methodology for calculating weather-normalized sales, 2 requirements and peak load. If the method is to multiply the difference in actual 3 temperature vs t...

AI summary The document requests detailed documentation and methodology from NS Power regarding weather-normalized sales, peak load calculations, and load shape data. Specific inquiries include the use of a 25 MW/°C peak adjustment, lighting load adjustments, and data sources for Figure 60 and Exhibit N-34.

Section 19
rows 87-101. 28 29 a. Please provide the most recent scaled class load shapes, including all assumptions, 30 source data, and methods with formulas in the workpapers intact and working. 31 32 b. Please provide NS Power’s best estimate of m...

AI summary The text includes requests for NS Power to provide detailed load shape data, explain loss factor methodologies, and clarify forecasting practices. It also references a discrepancy between weather-normalized actual and forecasted system peaks, highlighting NS Power's use of a 25 MW/°C demand change metric.

Section 21
Date Filed: June 16, 2022 CA (NSPI) Page 7 of 11 1 difference is attributed to March 2 not being “a particularly cold day” on which the temperature 2 dropped rapidly to the daily minimum. 3 4 a. Please confirm or correct our understanding...

AI summary The text includes requests for clarification on load forecast methodologies, specifically the use of a 25 MW/°C demand change estimate, its exclusion of weekend data, and the Board’s direction to improve weather normalization. Questions also seek explanations on NS Power’s lack of interim adjustments and evidence supporting temperature measurement approaches.

Section 24
Date Filed: June 16, 2022 CA (NSPI) Page 8 of 11 1 c. If the trend in HDD and CDD values by year was not applied to the energy requirement 2 forecast in Table A1, please provide the forecast also including the trend in HDD and 3 CDD values...

AI summary The document contains a series of questions requesting clarification on the application of heating and cooling degree day (HDD/CDD) trends to energy forecasts, reconciliation with temperature data in tables, and the impact of temperature trends on DSM adjustments. It also questions the methodology for incorporating annual evening minimum temperatures into peak demand forecasts.

Section 27
Date Filed: June 16, 2022 CA (NSPI) Page 9 of 11 1 d. Please provide a list of tasks that NS Power would need to complete to utilize the LRS 2 data in all applicable aspects of the load forecast; for each task, please provide (i) the 3 est...

AI summary The text outlines requests for clarifications on load forecasting methodologies, including DSM scenario analysis, temperature data usage in models, and factors influencing binary adders in monthly load forecasts. It emphasizes the need for NS Power to detail tasks for integrating LRS data and address discrepancies in figure references.

86619E1 (NSPI) IR-1 to IR-12 6 passages
Section 6
Requests to Nova Scotia Power Inc. (NS Power) In the Matter of Nova Scotia Power Incorporated’s 2022 Load Forecast Report – M10569 NON-CONFIDENTIAL 1 (a) Please confirm whether there are heating options other than heat pumps which also 2 p...

AI summary The document contains requests to NS Power regarding their 2022 Load Forecast Report, including inquiries about heating alternatives to heat pumps, factors affecting wood and electric resistance usage trends, the role of other heating technologies in net-zero goals, heat pump stock categorization, and demand response (DR) forecast methodologies involving effective load carrying capacity (ELCC).

Section 7
for the fact that the full nameplate capacity will not be available at all times, and this value will 24 be reassessed as more information is gathered through the implementation of DR programs”. Date Filed: June 16, 2022 E1 (NS Power) Page...

AI summary EfficiencyOne (E1) submitted information requests to Nova Scotia Power Inc. (NS Power) regarding the 2022 Load Forecast Report (M10569). The text notes that full nameplate capacity may not always be available and will be reassessed as data from demand-response (DR) programs is gathered.

Section 9
1 (a) Is the load forecast intended to estimate how much demand response (DR) capacity 2 is available during the system peak (highest single hourly average demand in a year)? 3 If no, please explain the reason for such limitations. 4 (b) E...

AI summary The text raises questions about NS Power's load forecast methodology, including DR capacity estimation, ELCC factor application, and discrepancies between NS Power and E3 models regarding commercial electric heating projections. It challenges whether NS Power's 48% ELCC underrepresents DR value and if ELCC should apply to other time-limited resources.

Section 14
1 (b) Please elaborate on any coincidence factor associated with the electric backup of 2 heat pumps. Is any coincidence factor assumed for electric backup heating in the 3 RESHAPE analysis? 4 (c) What penetration of electric resistance he...

AI summary The text includes questions about heat pump backup systems, RESHAPE analysis assumptions, climate change impacts on heating/cooling degree days, low-GWP refrigerants, and EV charging management in Nova Scotia. NS Power is asked to elaborate on technical and modeling considerations.

Section 15
3, lines 12-13 24 “The peak impact assumes that 70 percent of charging is managed by NS Power (including 25 smoothing through vehicle-grid integration) and 30 percent of charging is unmanaged.” Date Filed: June 16, 2022 E1 (NS Power) Page...

AI summary EfficiencyOne (E1) has requested information from Nova Scotia Power Inc. (NS Power) regarding their 2022 Load Forecast Report. The report includes an assumption that 70% of electric vehicle charging will be managed by NS Power through vehicle-grid integration, while 30% will be unmanaged.

Section 16
ion Requests to Nova Scotia Power Inc. (NS Power) In the Matter of Nova Scotia Power Incorporated’s 2022 Load Forecast Report – M10569 NON-CONFIDENTIAL 1 (a) As part of its 2023-2025 DSM Plan, E1 has included EV managed charging in its 2 d...

AI summary The document contains requests to NS Power regarding its 2022 Load Forecast Report, focusing on demand response programs (including EV managed charging and Critical Peak Pricing), capacity savings double-counting, and electrification measures. E1 questions NS Power's integration of updated demand response programs and decarbonization comparisons in the forecast.

86979Submission - SBA 3 passages
Section 2
cle-to-Grid and managed charging discussed 1 Exhibit N-1, 2022 Load Forecast Report, Page 44 T: 902-835-8544 F: 902-835-4310 E: [email protected] www.blackburnlaw.ca SUITE 231 BEDFORD HOUSE, SUNNYSIDE MALL, 1595 BEDFORD HIGHWAY, BEDFORD...

AI summary The SBA criticizes NSPI's Load Forecast Report for insufficiently explaining how SONS Project data influenced EV load and peak contributions. It also argues electrification forecasts rely on emissions targets rather than current incentives, risking overestimation of 605 GWh load and 267 MW peak demand by 2030.

Section 3
d incentive structures availabie to Nova Scotians3 • This is very important since we can see that electrification is expected to add at least 605 OWh oflaod and 267 MW of peak in 2030 of the Report4 • As such, while the SBA recognizes this...

AI summary The SBA highlights gaps in Nova Scotia's understanding of consumer interventions needed for electrification, stressing the need for historical data from the SONS Project, real-world adoption rates, and uncertainty evaluations in load forecasts. It acknowledges electrification's impact on system requirements but emphasizes data refinement for accurate planning.

Section 4
ustomer load increased via electrification is appropriate to include in NSPI planning, there is little certainty in this area. As an illustration of the magnitude of the electrification activity that 2 Ml0109, Document.Number 84757, Decisi...

AI summary The SBA highlights uncertainty in NSPI's planning for electrification load increases, noting that transportation electrification growth could offset DSM plan savings. It recommends clarifying SGNS data's role in load forecasting and evaluating incentive structures' impact on EV adoption. Using smoothed adoption rates may lead to insufficient incentives for electrification.

87188NSPI (E1) IR-1 to IR-2 3 passages
Section 3
1 Request IR-1: 2 3 Reference: EfficiencyOne evidence, July29, 2022, pages 4-5. 4 The UK Climate Change Committee’s target was, and still is, to reach deployment 5 levels of 600,000 heat pumps per annum in existing homes and 300,000 heat p...

AI summary The text references UK heat pump deployment targets and highlights a significant shortfall in installations despite incentives. EfficiencyOne is requested to provide data on heat pump installations, energy savings, and incentive costs from 2022 to 2025, aligning with Nova Scotia's DSM plan. The Regulatory Assistance Project (RAP) report underscores the gap between forecasted and actual heat pump installations under the RHI scheme.

Section 4
ficient of performance (COP) of heat pumps installed by year. 25 26 Request IR-2: 27 28 Reference: EfficiencyOne evidence, July 29, 2022, page 9 of 14. 29 30 E1 recommends that NS Power explore electrification scenarios that maintain or 31...

AI summary EfficiencyOne recommends NS Power explore electrification scenarios using electric thermal storage (ETS) units, wood, and pellet stoves for grid flexibility and peak demand management. The text references a 2022 Load Forecast Report (M10569) and cites EfficiencyOne's evidence from July 2022.

Section 5
0 - Year Energy and Demand Forecast (2022 Load Forecast Report) NSPI Information Requests to EfficiencyOne NON-CONFIDENTIAL 1 • gas heating systems as supplemental heat for peak times. 2 3 E1 states that they provide rebates on wood/pellet...

AI summary NSPI requests data from EfficiencyOne on rebate programs for wood/pellet stoves and ETS units, including installations, energy savings, and incentives, from rebate inception to the end of the 2025 DSM plan.

87729Board Decision Letter 9 passages
Section 2
ce was filed by the CA, EOne, and Synapse on July 29, 2022. On August 12, 2022, EOne responded to IRs from the NS Power. NS Power filed its Rebuttal Evidence on September 26 ,2022. 2022 Load Forecast NS Power uses two discrete elements for...

AI summary The 2022 Load Forecast by NS Power incorporates SAE models and DSM adjustments, projecting 0.3% annual NSR growth (2023-2032) due to customer growth, EV adoption, and infrastructure projects, offset by DSM and solar. Filing timeline includes CA, EOne, Synapse, and NS Power submissions.

Section 5
ear actual 2 Based on Table A2 in 2022 and 2021 Load Forecast reports and in Table A3 in each annual report from 2015 to 2020 Document: 298717 -3- However, the significant increase in Load for 2022 is mainly attributed to the application o...

AI summary NS Power attributes the 2022 load increase to E3's estimated peak model, planning to validate it using AMI data. Intervenors praised forecast improvements but raised concerns about heat pump adoption, EV forecasts, new technologies, and SGNS project outcomes for peak demand management.

Section 6
EV forecast, investigation of new technologies to reduce energy and peak demand, and the management of peak through the Smart Grid Nova Scotia (SGNS) project results and direct control water heaters. The CA filed evidence prepared by John...

AI summary The document discusses John Wilson's recommendations for NS Power to improve climate change scenario analysis, enhance weather station integration, refine peak load forecasting models, and address modeling errors in residential energy models. Wilson also suggests adjustments to heat pump assumptions and EV usage during peak periods, alongside completing the line loss determination model with quarterly reporting.

Section 7
ing storm closures at peak periods. Lastly, Mr. Wilson requested that NS Power complete the line loss determination model and report on its progress on a quarterly basis until the project is complete. The SBA raised concerns about the accu...

AI summary Concerns were raised about the accuracy of EV and space heating forecasts, the incorporation of SGNS project data, and the adequacy of demand response (DR) capacity. EOne recommended updating heat pump models and exploring electrification scenarios with electric thermal storage (ETS). Mr. Wilson requested NS Power to complete a line loss determination model and report progress quarterly.

Section 8
me framework to assessing the value of different DR programs and an effective load carrying capacity (ELCC) factor be applied. Document: 298717 -4- In its evidence to the Board, Synapse noted continued improvement in the Load Forecast, how...

AI summary Synapse's evidence highlights recommendations for improving NS Power's load forecasting, including re-evaluating economic variables, assessing heat pump impacts, updating EV and storage analyses, and clarifying DSM adjustments. It also requests methodological reviews and sensitivity analyses for peak load forecasting.

Section 9
mpacts on peak. Synapse asked that NS Power review its peak forecasting methodology and provide a peak sensitivity analysis as well as the assumptions and calculations used. NS Power Reply Submission In its Reply, NS Power addressed the co...

AI summary NS Power agreed to improve peak load forecasting by incorporating multi-station weather data, analyzing electrification impacts, and refining EV adoption rate assumptions. It will also evaluate hybrid DR scenarios and integrate findings from the Itron Report and SGNS project into future reports.

Section 10
n process, as well as a scenario analysis for ETS to moderate peak load. It will monitor growth in heating load for commercial customers and work with EOne on possible firm peak mitigation strategies. NS Power confirmed that the model used...

AI summary NS Power discusses heat pump efficiency (COP 2.3 at -15°C), DSM allocation (15% industrial, 85% commercial), and DR strategies. It rejects intervenors' requests for line loss modeling, ELCC for LIIR, and commercial electrification analysis. The IRP Action Plan includes lock-out temperature analysis removal.

Section 11
adjustment to EV load shapes. A request for the information on the benefits and costs of commercial electrification programs was denied as NS Power has not performed such an analysis. Board Findings The Board notes that NS Power has agreed...

AI summary The Board denied a request for information on commercial electrification benefits and costs due to NS Power's lack of analysis. It directed NS Power to implement intervenor recommendations, improve the Load Forecast model, evaluate economic inputs, and engage stakeholders early in the 2023 Load Forecast process.

Section 12
he elasticity used in the SAE model to exclude elasticities calculated from non- winter peaking utilities or to apply elasticities from Canadian studies of Canadian electric utilities; - Evaluate the input variables in the residential mode...

AI summary The document outlines requests to refine modeling approaches for residential demand forecasting, including re-evaluating housing data, income metrics, and EV adoption rates. It emphasizes improving model accuracy through updated inputs, aligning with Statistics Canada data, and addressing infrastructure communication gaps.

Disclaimer: These summaries were generated by AI from the filings they describe. We take care to make them accurate, but errors are possible - and they aren't advice. Only the filings themselves are the record: if you're relying on something here, confirm it against the source documents or the Nova Scotia Energy Board's own record. Full disclaimer →