Topic:"Cost Effectiveness" in M08929

• Proponents must disclose any limitations they require with respect to transparency and the use of their model. Define cost-effectiveness testing to be E1 revised the final Scope of Work to clarify the following: provided and the types of...

AI summary E1 revised the Scope of Work to clarify cost-effectiveness testing, include demand-focused measures like Demand Response and battery storage, and address low-income residential segments. Non-energy benefits from Matter M08888 were excluded, while the TRC test now includes Avoided Utility Costs and other impacts.

lder until April 5, 2019. The following table highlights specific stakeholder comments and how EfficiencyOne has addressed these: Stakeholder Comment How Comment was Addressed Stakeholders should have the Draft scenarios were provided to s...

AI summary Stakeholders requested inclusion of a no-incentive scenario in energy efficiency planning, which EfficiencyOne addressed by providing draft scenarios for review. The discussion highlights use of the Program Administrator Cost (PAC) test for cost-effectiveness screening, with Navigant offering an alternative economic potential analysis to the DSMAG.

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

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

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

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

11. DEMAND RESPONSE POTENTIAL AND COST-EFFECTIVENESS RESULTS . 103 11.1 Demand Response Technical Potential Results ....................................................................... 104 11.2 Demand Response Base Case Achievable Poten...

AI summary The document section analyzes demand response (DR) potential and cost-effectiveness, covering technical potential, achievable outcomes, cost assessments, investment levels, and scenario comparisons. It evaluates DR options, sub-options, customer classes, and building types, with a focus on cost-effective solutions and their implications for energy management.

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

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

tudy..................................................................... 95 Figure 10-15. Summary of DR Sub-Options .............................................................................................. 96 Figure 10-16. Key Variab...

AI summary The document discusses the analysis of demand response (DR) programs, including technical and achievable potential, benefit-cost assessments, and program hierarchies to manage participation overlaps. It evaluates DR sub-options, cost-effectiveness, and scenarios for achieving potential through various DR options.

ase varies from approximately $18 million to $28 million annually. Figure ES-11. EE Total Portfolio Annual Investment, by Achievable Potential Scenario (nominal $) Source: Navigant analysis ©2019 Navigant Consulting, Ltd. Page 12 Nova Scot...

AI summary The document presents the achievable potential scenarios for energy efficiency (EE) and demand response (DR) investments in Nova Scotia from 2021 to 2045. It evaluates the cost-effectiveness of various DR options using TRC and PAC tests, with most options being cost-effective except for BTM Battery Control and EV Charging Control.

brium market share, behavioural measures, investment and incentive strategy, re-participation, and model calibration. Section 7 – discusses the Reference Forecast Approach and scenario configuration. Section 8 – presents the Energy Efficie...

AI summary The document outlines the methodology and findings of a study on energy efficiency and demand response potential in Nova Scotia from 2021 to 2045. It covers market potential approaches, sensitivity analysis, demand response methodologies, and cost-effectiveness results across various sectors and customer classes.

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

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

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

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

e adoption of DSM measures can be broken down into calculation of the “equilibrium” market share and calculation of the dynamic approach to equilibrium market share, as discussed in more detail below. Market potential differs from program...

AI summary The document discusses the methodology for calculating market potential and program potential in the context of demand-side management (DSM) measures. It highlights the difference between market potential, which is a high-level assessment based on customer acceptance and adoption rates, and program potential, which considers specific delivery mechanisms. The Total Resource Cost (TRC) measure is used for cost-effectiveness screening, with a threshold of 0.7.

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

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

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

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

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

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

veness assessment of DR options using the TRC test. The DR analysis input assumptions file presents detailed itemized cost assumptions used in this study and documents the basis for these assumptions. The cost assumptions fall into the fol...

AI summary The document outlines the cost assumptions and variables used in the cost-effectiveness analysis of demand response (DR) options using the Total Resource Cost (TRC) test. Key categories include one-time and annual fixed and variable costs, along with a discount rate and line loss values used in the model.

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

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

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

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

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

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

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

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

nge between 1% to 3% of the total potential. Figure 11-10. DR Achievable Potential by Building Type for Cost-Effective DR Options (MW at generator) Source: Navigant analysis Page 111 ©2019 Navigant Consulting, Ltd. Nova Scotia Energy Effic...

AI summary The document discusses the investment levels for cost-effective demand response (DR) options in Nova Scotia from 2021 to 2045. It highlights that DLC investment increases steadily until 2024, then drops until 2026, with costs spiking again in 2031 due to the 10-year program life cycle. CPP investment is high initially but stabilizes after 2028.

lso varied by case as these were tied to the different demand reduction scenario impacts from the energy efficiency potential study. 11.6.1 Comparison of Cost Results Across Demand Response Scenarios Figure 11-12 shows the cost-effectivene...

AI summary The text discusses the cost-effectiveness of various demand response (DR) options under different scenarios. It highlights that DLC and BNI Curtailment are not cost-effective under the high scenario due to assumptions about CPP being opt-out and capturing more customers, while CPP and BDR remain cost-effective across scenarios.

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

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

ix A • Ability to handle avoided costs, retail rates, and load shape profiles at multiple levels of granularity (monthly, seasonal, annual, on/off peak) • Handles any number of measures, programs, sectors, program periods and savings types...

AI summary The text outlines the capabilities of a modeling tool used for evaluating demand-side management programs. It highlights features such as handling avoided costs, load shape profiles, cost-effectiveness analysis, and sensitivity testing at various levels of granularity.

capabilities and limitations, and how new transmission investments 1 and potential regional interconnections can enable further integration of renewable resources and complement a resource portfolio. In 2018, the Federal Government amended...

AI summary NS Power's Integrated Resource Plan (IRP) addresses renewable integration, coal plant phase-out timelines, and evaluation criteria for resource portfolios. The Federal Government's 2018 regulations mandate coal closure by 2029, but Nova Scotia seeks an equivalency agreement to allow limited coal operation until 2040. The IRP will prioritize affordability, GHG reductions, and reliability, with E3 as the lead consultant.

• $5/MMBtu assumed – Class 43.2 Advanced CCA (50%) to 2019 – Class 43.1 CCA (30%) thereafter – Implemented tax measures from 2018 federal government economic update ¬ Performance • 80% capacity factor assumed • 18,000 Btu/kWh heat rate IRP...

AI summary The document discusses assumptions and performance metrics for municipal solid waste and tidal energy, including capital cost estimates, levelized cost of energy (LCOE), and NSPI's role in tidal power development. It also references the failure of OpenHydro as a challenge for the tidal power industry.

which candidate resource plans are scored for a particular modeling scenario. NS Power also considers other factors to be important which is why additional metrics have been proposed for qualitative consideration during the preparation of...

AI summary The document discusses the evaluation criteria for candidate resource plans, including the use of NPV revenue requirement over a 10-year period and the consideration of additional qualitative metrics in the Roadmap and Action Plan. NS Power is evaluating shorter NPV periods for insights on near-term rate effects.

2.4.1 Multiple NPVRR and Rate Metrics Traditionally, the objective for resource planners has been to model and identify an optimal portfolio of resources that minimize cost Net Present Value of Revenue Requirement (NPVRR) as the sole metri...

AI summary The Integrated Resource Plan (IRP) has moved beyond traditional cost-based Net Present Value of Revenue Requirement (NPVRR) metrics by incorporating additional planning objectives such as customer affordability and decarbonization, using scenario and sensitivity analyses to evaluate a range of uncertainties.

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

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

16 Nova Scotia Power IRP Final Report Appendix E Page 18 of 72 2.1B MID ELEC. / BASE DSM / NET ZERO 2050 / DISTRIBUTED RESOURCES 17 Nova Scotia Power IRP Final Report Appendix E Page 19 of 72 2.1B MID ELEC. / BASE DSM / NET ZERO 2050 / DIS...

AI summary The document presents scenario metrics and evaluation from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report. It includes 25-yr and 10-yr Net Present Value of Resource Recovery (NPVRR) figures, CO2 emissions projections, and notes on DER modeling, grid reliability, and emissions constraints.

25 Nova Scotia Power IRP Final Report Appendix E Page 27 of 72 3.1B MID ELEC. / BASE DSM / ACCEL. NET ZERO 2045 / DISTRIBUTED RESOURCES Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $12,540 General Notes • DER is modeled as a load reduct...

AI summary The document presents scenario metrics and evaluation from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report, focusing on mid-electricity, base DSM, accelerated net zero 2045, and distributed resources. It includes 25-yr and 10-yr NPVRR figures, CO2 emissions data, and mentions grid reliability and resource adequacy measures.

28 Nova Scotia Power IRP Final Report Appendix E Page 30 of 72 3.2B HIGH ELEC. / MAX DSM / ACCEL. NET ZERO 2045 / DISTRIBUTED RESOURCES 29 Nova Scotia Power IRP Final Report Appendix E Page 31 of 72 3.2B HIGH ELEC. / MAX DSM / ACCEL. NET Z...

AI summary This section presents the financial and environmental metrics for the Integrated Resource Plan (IRP) under the HIGH ELEC. / MAX DSM / ACCEL. NET ZERO 2045 / DISTRIBUTED RESOURCES scenario. It includes Net Present Value of Resource Recovery (NPVRR), carbon emissions, and reliability considerations such as the Reliability Tie and Regional Integration.

3.2C H I G H E L E C . / M A X D S M / A C C E L . N E T Z E R O 2 0 4 5 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation 25-yr NPVRR ($MM) $15,841 General Notes • Gas CT builds and incremental firm imports support earl...

AI summary The text presents scenario metrics and evaluation from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report, including 25-yr and 10-yr Net Present Value of Resource Recovery (NPVRR) figures, CO2 emissions projections, and sensitivity analysis results. Key points include the impact of gas infrastructure and imports on load growth, emissions reduction, and grid reliability.

more explicit identification of these LCOE values would facilitate such direct comparisons and enhance the transparency of the IRP and ideally confirmation of the reasonableness of these assumptions. A wide range of natural gas-fired gener...

AI summary The document discusses the importance of explicitly identifying Levelized Cost of Energy (LCOE) values in the Integrated Resource Plan (IRP) to enhance transparency and confidence in the reasonableness of assumptions. It also highlights concerns about natural gas supply constraints in Nova Scotia due to pipeline limitations and the potential impact of new LNG projects in the US.

icipality of the District of Digby (up to $145k/year) and Nova Scotia Power (up to $4.2M/year) (Table 15). Table 14. Environmental benefits of the 2.2 MW biomass direct combustion system Coal Saving (tonne/year) 1121-1622 Natural Gas Savin...

AI summary The text discusses the environmental and economic benefits of a 2.2 MW biomass direct combustion system, including fuel savings and GHG reductions. It also highlights the energy cost trends of a clean microgrid system over 20 years and the potential job creation from its deployment in an industrial park.

e the value for offshore wind being used in the IRP. (incl. decrease in levelized cost of energy) of such a high capacity factor.

AI summary The text discusses the value of offshore wind in the Integrated Resource Plan, including a decrease in the levelized cost of energy and a high capacity factor.

which candidate resource plans are scored for a particular modeling scenario. NS Power also considers other factors to be important which is why additional metrics have been proposed for qualitative consideration during the preparation of...

AI summary The document discusses how candidate resource plans are scored under specific modeling scenarios and mentions that NS Power considers additional metrics for qualitative evaluation in the Roadmap and Action Plan. It also references the evaluation criteria used in the 2020 Integrated Resource Plan (IRP), including the 10-year Net Present Value (NPV) revenue requirement.

Energy Balance (GWh) Installed Capacity (MW) Annual Energy (GWh) 35 2.1.B - Case Summary Nova Scotia Power IRP Final Report Appendix J Page 38 of 245 Net Zero, Mid Elec./Base DSM, Distributed Resources Key Observations Metric 2035 2045  A...

AI summary The text discusses a case summary from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report, highlighting key observations related to Net Zero, Mid Elec./Base DSM, and Distributed Resources. It notes that while the total NPV is lower due to less load served, the average generation cost is higher. DER is modeled as a load reduction, with its costs not included in NPV calculations.

• Provide information regarding whether the battery+ synchronous condenser option for system inertia would also provide system capacity. b. Reliability Tie and Regional Integration -Treatment of risk: The Reliability Tie and Regional inter...

AI summary The text addresses questions regarding the system inertia provided by a battery+synchronous condenser option, the risks and studies required for reliability tie and regional integration, and the inclusion of offshore wind in the renewable resource portfolio. It emphasizes the need for cost-benefit analysis and planning flexibility.

15 Nova Scotia Power IRP Final Report Appendix K Page 124 of 264 2.1B MID ELEC. / BASE DSM / NET ZERO 2050 / DISTRIBUTED RESOURCES 16 Nova Scotia Power IRP Final Report Appendix K Page 125 of 264 2.1B MID ELEC. / BASE DSM / NET ZERO 2050 /...

AI summary The document presents scenario metrics and evaluation from Nova Scotia Power's Integrated Resource Plan (IRP) Final Report. It outlines 25-yr and 10-yr Net Present Value of Resource Requirements (NPVRR), CO2 emissions, and reliability tie and regional integration timelines. The report also notes that DER is modeled as a load reduction, with cost not included in NPV calculations.

e time periods 10-yr NPVRR ($MM) $7,164 $6,820 Essential Grid Services • No change relative to 2.0C Resource Adequacy & PRM Average Annual Partial Rate Impact • Reliability Tie: 2030 2021-2030 (%) 1.4% 0.9% • Regional Integration: 2039 202...

AI summary The document presents financial and environmental metrics related to Nova Scotia Power's Integrated Resource Plan (IRP), including 10-year Net Present Value of Resource Requirements (NPVRR), CO2 emissions projections, and installed capacity comparisons under different scenarios such as 2.0C.DSM-6 and Net Zero 2050.

including non-emitting generation procurement, DSM levels, and coal retirement merits full consideration in the IRP. trajectories. Absent forecasts of carbon prices, the Federal Government's "floor" for carbon pricing is $50 per tonne in 2...

AI summary The text discusses the importance of considering carbon pricing in the Integrated Resource Plan (IRP), noting that the federal government's carbon pricing floor is $50 per tonne in 2022. It highlights the discrepancy between this and Nova Scotia's initial cap and trade auction price of $24 per tonne, suggesting that assuming prices below $24 is unreasonable for long-term projections. The IRP results should influence the Net Present Value (NPV) revenue requirement calculation due to the significance of carbon revenues.

DSM E1 The updated Modeling Results release provides a quantification of how various levels of DSM impact the (4) Provide more context on the results of the DSM sensitivity analyses for the various cost measures. Additional discussion has...

AI summary The document discusses the impact of Demand-Side Management (DSM) on cost measures and electrification scenarios. It highlights that higher levels of DSM can provide increased ratepayer value with higher electrification. However, higher DSM levels in resource plan sensitivities may not be cost-effective despite reduced capacity needs and lower emissions.

e Pathways studies, and hence not indicate such plan are cost-effective. could climb the cost curve of available supply-side resource options. It is expected that DSM would produce results that are in line with the reference electrificatio...

AI summary The text discusses the cost-effectiveness of demand-side management (DSM) in the context of electrification scenarios, suggesting that DSM can align with reference scenarios but offer enhanced competitiveness. It recommends that NS Power provide more context on DSM sensitivity analyses and include a qualitative assessment of increased ratepayer value with higher electrification.

Rate effects E1 (7) The rate effect metrics (10-year NPVRR and estimated rates) will not contribute to Per the Terms of Reference, minimization of Net Present Value (NPV) is the primarily metric for achieving the general purpose of the IRP...

AI summary The document discusses the rate effect metrics used in the Integrated Resource Plan (IRP) process, emphasizing that the Net Present Value (NPV) of Resource Replacement (NPVRR) and estimated rates should not be the primary metric for evaluating future plans. Instead, the focus should be on minimizing NPV, with other metrics like the magnitude and timing of electricity rate effects being of increasing importance. The Rate Impact model is presented as a simplified tool to illustrate rate pressure when comparing plans.

-document-library/20200226-rate-breakdown-pie-charts-2019-aar- rates.pdf?sfvrsn=bc85c314_0 2 LCOEs were provided in the “E3 supply options study but were not included in the NSPI Assumptions slides as this is not an input to the modeling t...

AI summary The document discusses the Levelized Cost of Energy (LCOE) for wind power as presented in the Integrated Resource Plan (IRP) by Nova Scotia Power. It notes that the LCOE for wind appears to be overstated compared to other regional benchmarks. CanREA supports this assessment, citing feedback from the Consumer Advocate and other participants, including Natural Forces, which has experience with wind projects in the Maritimes.

g combustion turbines differ substantially from new combustion turbines. ................................................................................................................. 15 3. Battery storage is not limited from providing...

AI summary The document discusses combustion turbine differences, battery storage capacity, and IRP results highlighting reliance on firm imports and regional transmission. It addresses electrification uncertainties, sensitivity to resource costs, and NSPI's Action Plan evaluation, emphasizing the need for competitive procurement and substantiating investment decisions.

llars was used. The NPV computation corrects for the use of real currency by using a 4.42% real discount rate, a rough approximation based on the 6.62% nominal WACC and a 2% inflation rate. Synapse Energy Economics, Inc. Analysis of NSPI 2...

AI summary The analysis highlights how carbon value impacts NPVRR calculations in NSPI's 2020 IRP, showing that carbon benefits can offset cost differences between scenarios. For example, early wind development with lower costs and $250M in carbon savings could validate economics, while coal plant retirements yield $375M in CO2 reduction benefits. NPVRR differences between scenarios shrink when carbon value is included.

value attributed to earlier (than NSPI’s “reference” Scenario 2.0C)15 installations of the wind resource can be considered as a credit to the actual cost of such earlier installations. • Finding 2a. Reliability Tie as Key Enabling Transmis...

AI summary NSPI argues the Reliability Tie is a key transmission resource enabling in-province wind generation without external reliance. Findings note earlier coal retirements are incrementally costly but have similar long-term rate impacts. The Reliability Tie is positioned as a critical first step for regional interconnection.

d in Finding 4b, “The earlier retirement scenarios are less economic on an NPV basis but have similar cumulative rate implications by 2045.” 15 IRP Report, page 86. 16 Id., page 106. Synapse Energy Economics, Inc. Analysis of NSPI 2020 Int...

AI summary The text discusses NSPI's Integrated Resource Plan (IRP) analysis, noting that earlier retirement scenarios are less economic on an NPV basis but have similar rate implications by 2045. It critiques NSPI's failure to monetize potential carbon reductions beyond SDGA targets, assuming zero value for such over-compliance.

l) and other large industry emitters. Cap and Trade program details including a list of mandatory participants is available here https://climatechange.novascotia.ca/cap-trade-regulations#auctions. Synapse Energy Economics, Inc. Analysis of...

AI summary The document discusses Nova Scotia's Cap and Trade program, mandatory participants, and Synapse Energy Economics' analysis of NSPI's 2020 Integrated Resource Plan. It highlights that earlier emission reductions (Scenario 3.1C) are cheaper than later ones (Scenario 2.1C) if CO2 savings are valued at ~$38/ton (2021).

3. IRP RESULTS - A central outcome of the 2020 IRP Processfor E1 is to provide clarity on the level of DSM investment - that results in the lowest revenue requirement for ratepayers. This outcome is aligned with the first - stated purpose...

AI summary The 2020 IRP emphasizes that Base DSM investment yields the lowest revenue requirement for ratepayers under current assumptions. However, Mid DSM may become more economical at higher carbon prices ($50+ per tonne). The Reference Plan (2.0C) was selected for its alignment with least-cost objectives, though risk factors could alter future DSM planning.

8. AVOIDED COSTS OF ENERGY AND CAPACITY Action plan item number 5 states: NS Power will calculate Avoided Costs of DSM (capacity and energy) for scenarios 2.0C and 2.1C. 2.0C will be used as the Reference Plan and 2.1C will be available fo...

AI summary NS Power is required to calculate avoided costs of DSM for scenarios 2.0C and 2.1C, with 2.0C as the reference plan. The DSMAG is tasked with developing a methodology to regularly update avoided costs information, as per the revised ToR filed with NSUARB.

Resource Insight, Inc. was engaged by the Nova Scotia Consumer Advocate to provide expert review of Nova Scotia Power's 2020 Integrated Resource Plan.[1](#page-4-0) We reviewed all public materials related to the IRP, participated in stake...

AI summary Resource Insight, Inc. reviewed Nova Scotia Power's 2020 Integrated Resource Plan and found it to be credible, with multiple pathways for reducing carbon emissions. The Board is encouraged to collaborate on electrification programs and consider cost-effective greenhouse gas reduction strategies. Oversight processes like the ACE plan and FAM review help ensure efficient service and cost management.

C. Value of Greenhouse Gas Reductions The vast majority of the model results indicate that it will be cost-effective for NS Power to operate with lower CO2 emissions than required by regulation and law. These emissions reductions have valu...

AI summary NS Power's models suggest cost-effectiveness in reducing CO2 emissions below regulatory requirements, using a shadow price for CO2 in dispatch. However, forecasting this price is challenging. The Board is advised to include this in future IRP modeling to align planning with dispatch decisions.

r concerns and input were included. There was no consultation with participants to design the participation process. Stakeholders were not well informed about how to participate in a meaningful way. It remains to be seen whether the input...

AI summary The text highlights inadequate stakeholder consultation in the IRP process, limited economic variables in the IRP scope (e.g., clean-tech subsidies, economic development), and calls for better metrics to account for climate damage costs. It also suggests exploring premium/subsidized tariffs to address energy poverty and proposes a Universal Service program.

IRP Final Report Comments – Bates White No. Topic / Reference Bates White Comment NS Power Response

AI summary The document presents comments from Bates White on the Integrated Resource Plan (IRP) Final Report, along with Nova Scotia Power's responses. It outlines key issues and considerations related to the IRP, including program design, cost-effectiveness, and regulatory compliance.

Stakeholder Review & Comment Period #2 – Potential Study Assumptions and Modelling Plan Stakeholder Comment How Comment was Addressed Define cost-effectiveness testing to be provided and the types of benefits/costs to be included. E1 revis...

AI summary Stakeholders requested clarification on cost-effectiveness testing and the types of benefits and costs to be included. E1 revised the Scope of Work to exclude non-energy benefits from Matter M08888 and clarified that the TRC test would include Avoided Utility Costs, O&M impacts, fuel switching impacts, and water impacts. Rate Impact Measure (RIM) test results were provided separately as part of the Potential Study draft results.