E-12027-2031 DSM Plan Application
61 passages
ly available, cost-effective demand-side management for the purpose of this Act". Demand-side management is defined in section 79A of the Act, for the purposes of sections 79B through 79V, as follows: - (b) "demand-side management" means a...
AI summary The 2022 amendments to Nova Scotia's Public Utilities Act (PUA) via Bill 228 expanded the definition of demand-side management (DSM) to include strategic electrification. DSM now encompasses activities like efficiency, conservation, and reducing peak demand. The Nova Scotia Energy Board (NSEB) clarified requirements for E1's DSM plans through a Benefit Cost Analysis (BCA) Decision. The Franchise holder is deemed a public utility under multiple PUA sections.
2.1.4 PROVINCIAL CLIMATE CHANGE POLICY The statutory considerations outlined in ERBA's section 6(2), as well as the goals of DSM as set out in section 79A of PUA, establish the primary mandate for DSM. While the Province's climate and ener...
AI summary Nova Scotia's Provincial Climate Change Policy emphasizes demand-side management (DSM) under the Public Utilities Act (PUA) to reduce electricity costs while aligning with climate goals. The Clean Power Plan outlines transitioning to renewable energy, grid modernization, and affordability, guided by legislative acts like the Environmental Goals and Climate Change Reduction Act. The Nova Scotia Energy Board (NSEB) balances regulatory mandates with environmental objectives.
2.2.2 2025 APPLICATION FOR APPROVAL OF NEW BCA TEST DECISION The following directives from the NSEB's 2025 Decision on E1's application for approval of a new BCA test are relevant to this Application: [13](#page-21-0) - (a) To use the Prog...
AI summary The NSEB outlines directives for E1's 2025 application to approve a new BCA test, requiring use of the PAC test with NS Power's WACC as the discount rate, strategic electrification programs to reduce GHG emissions and costs, inclusion of Eastward Energy in the DSM Advisory Group, and specific reporting requirements for DSM Plans.
2.2.2.1 COMPLIANCE WITH 2025 BCA DECISION - E1 has designed the 2027–2031 DSM Plan in accordance with the directives set out in the 2025 BCA Test - Decision. The specific compliance responses are summarized below. - First, E1 has used the...
AI summary E1 has designed the 2027–2031 DSM Plan in compliance with the 2025 BCA Test Decision, using the PAC test with NS Power's WACC, excluding initiatives failing to reduce both GHG and costs, and including future research on strategic electrification. E1 also provided required data to NSEB, noted NS Power's lack of long-run emissions data, and confirmed Eastward Energy's DSMAG participation.
3.2.1 THE ROLE OF THE IRP IN ESTABLISHING THE APPROPRIATE LEVEL OF DSM ENERGY SAVINGS One of the primary planning considerations for the development of the DSM Plan is NS Power's IRP. The IRP represents the most recent, comprehensive, and...
AI summary The IRP is central to the DSM Plan, providing a stakeholder-vetted assessment of optimal resource mix for Nova Scotia's electricity needs. NS Power's 2022 IRP incorporates updated policies like GHG targets and renewable goals, with DSM energy savings levels serving as a benchmark. Key themes include decarbonization, renewables, and electrification.
3.3.1 WHY RESIDENTIAL LOAD CONTROL DEMAND RESPONSE MATTERS Strategic peak reduction can help lower long-term infrastructure costs and moderate upward pressure on electricity rates. The IRP identifies both increasing electrification and a g...
AI summary Residential load control demand response reduces infrastructure costs and moderates electricity rates by managing peak demand. Electrification trends, like heat pump adoption, increase peak demand, necessitating demand response programs. Eco Shift and Ontario's Peak Perks program demonstrate residential DR's role in grid flexibility. Expansion aligns with IRP planning and discussions with NS Power and NSIESO.
3.4 SOLAR-PV - E1 submits that customer sited solar-PV falls squarely within the statutory definition of demand-side - management under section 79A(b)(v), which includes DSM activities relating to "the delivery of a - reduction in the amou...
AI summary E1 argues customer-sited solar-PV qualifies as demand-side management (DSM) under the PUA, reducing NS Power's required supply. The program targets Mi'kmaw communities to address participation barriers, align with equity goals, and support reconciliation. The 2027–2031 DSM Plan includes 200 installations (0.9% of total DSM investment) focused on these communities, with future expansion contingent on cost-effectiveness and Energy Board approval.
3.5 STRATEGIC ELECTRIFICATION Strategic electrification was added to E1's mandate by way of an update to section79A(b)(iv) of the PUA in 2022, as outlined in section [2.1.1](#page-8-3) above. The NSEB, in its decision on E1's BCA clarified...
AI summary Strategic electrification was added to E1's mandate via a 2022 PUA update. The NSEB requires strategic electrification to reduce both GHG emissions and electricity costs. E1 supports its inclusion in the 2027–2031 DSM Plan if it meets these criteria, though the Clean Power Plan lacks cost assumptions for guidance. The 2022 Evergreen IRP includes electrification scenarios but not optimal savings levels.
5.3 AVOIDED ENERGY AND CAPACITY INVESTMENTS - DSM provides value to ratepayers in part by avoiding investments associated with supply side resources. - In Nova Scotia, the following categories of avoided system costs are applied to DSM: -...
AI summary Demand-Side Management (DSM) in Nova Scotia avoids energy and capacity investments by reducing demand. The Preferred Plan emphasizes energy efficiency, demand response, and solar-PV initiatives. Categories of avoided costs include energy, capacity, transmission, and distribution. EfficiencyOne (E1) expanded demand response programs to address NS Power's growing demand.
DIVERSE MEASURES - The Preferred Plan continues to evolve E1's measure mix. The Plan features 341 measures, and 11 - energy efficiency program components, and 2 demand response program components and one solar-PV - program component.
AI summary The Preferred Plan includes 341 measures, with 11 energy efficiency programs, 2 demand response programs, and 1 solar-PV program. E1's measure mix is evolving to incorporate diverse initiatives under the Nova Scotia regulatory framework.
DIVERSE MARKETS - The Preferred Plan also engages in a diverse range of markets. The investment in the Residential and - BNI sectors is focused on reducing barriers to reach a wide, diverse range of customers. The target markets - include:...
AI summary The Preferred Plan targets diverse markets, including homeowners, renters, and small businesses, while allocating 11% of residential savings to low-income and equity customers. It also dedicates solar-PV resources to Mi'kmaw communities.
Table 7: 2027–2031 Plan - Portfolio Level Insights Insights 2027–2031 Energy Efficiency Energy Savings as % of NS Power Load 0.8% Energy Savings (EE) Split (RES/BNI) 29/71 Demand Savings (EE) Split (RES/BNI) 44/56 Dedicated Low-Income & Eq...
AI summary Table 7 provides insights into the 2027–2031 plan, highlighting energy efficiency savings, demand response capacity, solar-PV generation, and associated costs and benefits. It includes metrics such as energy savings percentages, unit costs, and CO₂e savings across residential and BNI (Business and Non-Industrial) sectors.
- 5 Table 9: 2027–2031 DSM Preferred Plan Savings and Investment by Program Component 2027-2031 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Ava...
AI summary Table 9 outlines the 2027–2031 DSM Preferred Plan Savings and Investment by Program Component, detailing investments, benefits, energy savings, and other metrics for various programs including Education and Outreach, Market Transformation, Demand Response, and Solar-PV.
5 Program Program Component Changes from 2023–2026 Plan 2027–2031 Status New Residential Mi'kmaw New Home Construction • New program component introduced to support high‑performance new home construction in Mi'kmaw communities • New BNI Ef...
AI summary The document outlines changes and status updates for various energy efficiency and demand-side management programs in Nova Scotia from 2023–2026 to 2027–2031. Key changes include new programs for Mi'kmaw communities, expanded rebate categories, and continued support for existing initiatives.
5 9.1 OVERVIEW - Pursuant to the NSUARB directive,[27](#page-73-4) 6 E1 is required to file one or more alternate scenarios (the "Alternate - 7 Scenario") in addition to its Preferred Plan filing. In the stakeholder engagement process prec...
AI summary E1 is required by the NSUARB to file an Alternate Scenario as part of its Preferred Plan, incorporating energy efficiency, demand response, solar-PV, and strategic electrification. Stakeholders emphasized addressing short-term affordability impacts, prompting E1 to provide a fully costed DSM scenario.
9.2 SCENARIO IN ACCORDANCE WITH THE STANDARDIZED FILING REQUIREMENTS. The Alternate Scenario represents a total investment in energy efficiency, demand response and solar PV of $308.4 million over the 2027–2031 DSM Plan. The design approac...
AI summary The Alternate Scenario invests $308.4 million in energy efficiency, demand response, and solar PV from 2027–2031. It maintains low-income and equity-focused investments while eliminating the Eco Shift program to address cost-effectiveness concerns and balance DSMAG perspectives.
with all applicable NSEB directives from the 2023-2025 DSM Plan Decision, the 2025 BCA Decision, and the 2026 DSM Extension Decision, as detailed in Section 2 of this Evidence. In particular, E1 has: - (a) used the PAC test as the primary...
AI summary E1 outlines compliance with NSEB directives, using PAC test for cost-effectiveness, excluding strategic electrification due to insufficient GHG and cost benefits, and proposing five performance targets for 2027–2031, including energy savings, peak demand reduction, and solar-PV generation. An Innovation Framework is also introduced.
1.2 REPORT ORGANIZATION - Appendix A provides the following: - overview of the development of the Preferred Plan including approach and methodology; - overview of the proposed portfolio and program targets, investment levels, and performan...
AI summary The report outlines its organizational structure, detailing sections covering DSM plan results, development approaches, portfolio overviews, program descriptions, enabling strategies, performance metrics, and reporting. Appendix A includes the Preferred Plan's methodology, program targets, and a DSM Purchase Agreement under the PUA. Sections 2–13 provide historical data, plan development, program specifics, and evaluation frameworks for 2027–2031.
16 4.1 PORTFOLIO KEY INSIGHTS The 2027–2031 DSM Preferred Plan will invest $318.75 million to achieve 435.4 GWh of incremental cumulative net energy savings, 85.0 MW of cumulative system-peak demand savings, 29.3 MW of available capacity f...
AI summary The 2027–2031 DSM Preferred Plan is projected to invest $318.75 million to achieve significant energy savings, demand reductions, and solar-PV generation. Key insights and impacts are detailed in Table 5.
Generation Split (RES/BNI) First-Year Unit Cost ($/kWh) Lifetime Unit Cost ($/kWh) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Capacity (MW) First-Year CO 2...
AI summary The text presents a table with metrics related to energy generation and demand-side management (DSM) programs, including unit costs, energy savings, and capacity splits. It highlights the 'Total Preferred Plan' and provides data for the years 2027-2031, focusing on RES/BNI split and program performance indicators.
4.2 PORTFOLIO KEY OBSERVATIONS
AI summary Section 4.2 discusses portfolio key observations related to energy management, regulatory frameworks, and programs in Nova Scotia. It references acronyms like DSM, PUA, NSEB, and NS Power, highlighting topics such as demand response, energy efficiency, and utility rate design.
Key observations of the Preferred Plan include: - annual investment for the Preferred Plan is maintained at the 2026 DSM Extension approved investment level of $63.75 million, with no annual inflationary increases to the investment, to sup...
AI summary The Preferred Plan maintains a fixed annual investment of $63.75 million with no inflationary increases, aiming to support affordability. Energy savings have declined due to market shifts and program closures. The plan supports Mi'kmaw communities and shows strong cost-effectiveness with a 114% ROI and a 30-year solar-PV measure life. However, some low-income programs have lower PAC scores.
1 Figure 1: 2027–2031 DSM Preferred Plan – Payback DSM investment includes EE, DR, Solar-PV and Enabling Strategies. Green bars are nominal investment. Blue bars are nominal avoided cost. Yellow line is a 2027 net present value (NPV) of th...
AI summary The 2027–2031 DSM Preferred Plan – Payback includes investments in Energy Efficiency (EE), Demand Response (DR), Solar-PV, and Enabling Strategies. Green bars represent nominal investment, blue bars show avoided costs, and the yellow line depicts NPV using NS Power's WACC. The analysis evaluates cost recovery and financial viability of DSM initiatives.
DATE FILED: March 31, 2026 Page 24 of 112 Area of Change Change/New Element Rationale and Context Solar-PV • Introduction of solar-PV as a new DSM resource • Tied to Mi'kmaw New Home Construction • Engagement with Mi'kmaw communities and K...
AI summary The introduction of solar-PV as a new DSM resource is tied to Mi'kmaw new home construction, with strong community support. E1's SolarHomes program was successful but primarily benefited customers with greater financial means.
5 Table 7: 2027–2031 DSM Preferred Plan Portfolio Savings and Investment 2027-2031 Portfolio Year Investment ($M) Lifetime Benefits ($ million) First-Year Energy Savings (GWh) Peak Demand Savings (MW) Lifetime Energy Savings (GWh) Low-Inco...
AI summary Table 7 outlines the projected investment, savings, and benefits of the 2027–2031 DSM Preferred Plan Portfolio, including energy savings, peak demand reduction, and lifetime benefits. The table includes metrics such as investment in millions, energy savings in GWh, and weighted average measure life for various programs.
Table 8: 2027–2031 DSM Preferred Plan Savings and Investment by Program Component 2027-2031 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Availab...
AI summary Table 8 outlines the 2027–2031 DSM Preferred Plan Savings and Investment by Program Component, detailing investments, benefits, energy savings, and other metrics for various programs including Education and Outreach, Market Transformation, Energy Efficiency, and Solar-PV.
1 Table 11: 2029 DSM Preferred Plan Savings and Investment by Program Component 2029 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Dema...
AI summary Table 11 presents the 2029 DSM Preferred Plan Savings and Investment by Program Component, outlining investments, benefits, energy savings, and other metrics for various programs such as Enabling Strategies, Energy Efficiency (EE), Demand Response (DR), and Solar-PV.
1 4.5.1 LOW-INCOME AND EQUITY INVESTMENT AND SAVINGS - 2 E1's 2027–2031 DSM Preferred Plan includes dedicated program components that exclusively serve low- - 3 income and equity communities. These program components include Affordable Mul...
AI summary E1's 2027–2031 DSM Preferred Plan includes dedicated low-income and equity programs (e.g., Affordable Multifamily Housing, Mi'kmaw projects) accounting for 11% of residential savings. The Solar-PV program is also targeted at these communities. Incidental impacts from non-targeted programs like Efficient Product Installation are also noted, with details in Attachment 1 and Table 14.
sidential program components also continue to see reduced energy savings, resulting from two billing analyses conducted during the 2024 1 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 - 1 DSM evaluation. The Home Energy Assessment billin...
AI summary Residential energy programs in Nova Scotia face reduced savings due to updated billing analyses (Home Energy Assessment and Green Heat), impacting heat pump efficiency. E1 shifts investments to BNI Demand Response and maintains residential demand response levels. Solar-PV supports Mi'kmaw communities through energy efficiency initiatives.
21 Awareness, Education and Participation - 22 Driving education of and participation in E1's energy efficiency, demand response, and solar-PV 23 programs. - 24 Increasing awareness of the E1 and Efficiency Nova Scotia brands as a trusted...
AI summary The text outlines strategies to enhance awareness and participation in E1's energy efficiency, demand response, and solar-PV programs. It emphasizes comprehensive marketing tactics, brand trust-building, and targeted outreach across customer sectors. The Efficiency Preferred Partner program's membership growth and education are also highlighted.
7.1 LOCATIONAL DEMAND RESPONSE The value of demand response is not uniform across the electricity system. Deploying resources in areas where the distribution or transmission network is constrained can help defer or avoid capital infrastruc...
AI summary The document discusses the importance of locational demand response in Nova Scotia, emphasizing collaboration with NS Power to align DR deployment with constrained grid areas. E1 highlights the need for granular AMI data, including feeder IDs, to target programs effectively. It also notes E1's role in the DER Integration Roadmap, expected in 2026, to align DR with system planning.
13 8. SOLAR-PV - 14 E1 is proposing the introduction of a new Solar-PV program in the 2027–2031 DSM Preferred Plan. 15 Solar‑PV refers to technology that converts sunlight directly into electricity. Solar‑PV can produce 16 electricity that...
AI summary E1 proposes a Solar-PV program in the 2027–2031 DSM Plan, targeting Mi'kmaw communities to reduce energy burdens through equity-focused, small-scale residential initiatives. The program leverages existing frameworks, aims for phased implementation, and includes a $2.8M investment over five years, reflecting affordability and equity priorities.
1 Table 49: Overview, Objectives, Opportunity Solar-PV Overview • Post-installation incentives are provided for solar-PV systems installed on new homes in Mi'kmaw communities. • The program consists of one component: Residential Solar-PV....
AI summary This table outlines the Solar-PV program, which aims to increase the adoption of solar-PV systems in Mi'kmaw communities by reducing upfront costs and building awareness. The program targets residential new home construction projects, addressing barriers such as affordability, awareness, and uncertainty about solar-PV technology and payback periods.
Marketing - Outreach and engagement with Mi'kmaw communities to build awareness of the solar-PV offering. - Leverage existing relationships between these communities and E1's Business Development Manager and E1's Energy Manager - First Nat...
AI summary The marketing strategy focuses on outreach to Mi'kmaw communities for solar-PV initiatives, leveraging E1's partnerships with the Efficiency Preferred Partner installer network. Tactics include website promotion, success stories, cross-program collaboration, and email campaigns to raise awareness and support solar-PV project development.
Quality Assurance - The centralized Quality Assurance framework will apply to Residential Solar-PV completed as part of Mi'kmaw New Home Construction quality assurance activities. - The framework measures both compliance (e.g., operational...
AI summary A centralized Quality Assurance framework ensures compliance and performance for Mi'kmaw residential solar-PV installations. E1 monitors service partners via audits, monthly performance checks, and customer satisfaction surveys. The Efficiency Preferred Partner network enforces quality management systems for consistent service.
4 8.1.4 PROGRAM ALTERNATIVES - 5 The Solar-PV program shows no difference in the Alternate Scenario when compared to the Preferred - 6 Plan. Therefore, there is no variance in the program between the Preferred Plan and Alternate Scenario. 7
AI summary The Solar-PV program shows no difference between the Preferred Plan and Alternate Scenario, resulting in no variance in program implementation. This conclusion is drawn from the analysis of program alternatives under the regulatory proceeding.
12 Table 61: Proposed 2027–2031 DSM Preferred Plan Performance Targets 2027–2031 Performance Targets DSM Resource Energy Savings (GWh) Peak Demand Savings (MW) Low-Income & Equity Energy Savings (GWh) Available Demand Response Capacity (MW...
AI summary Table 61 outlines proposed 2027–2031 DSM performance targets, including 435.4 GWh energy savings from Energy Efficiency, 85.0 MW peak demand savings, 14.0 GWh low-income equity savings, 29.3 MW demand response capacity, and 1.7 GWh solar-PV generation. Targets aim to balance energy efficiency, demand response, and renewable integration.
12.1.1 ENERGY EFFICIENCY EVALUATION APPROACH E1 will engage a third-party Evaluator to develop and perform an evaluation of E1's portfolio of energy- efficiency, demand response and solar-PV programs for the 2027–2031 DSM Plan period. Each...
AI summary E1 will engage a third-party Evaluator to assess its energy-efficiency, demand response, and solar-PV programs from 2027–2031. The Evaluator will develop annual evaluation plans, conduct impact assessments, and report metrics like net energy savings and system peak demand reductions to the Nova Scotia Energy Board, ensuring transparency and alignment with evaluation principles.
14. CONCLUSION The 2027–2031 DSM Preferred Plan delivers cost-effective DSM resources in accordance with the requirements of the PUA , which directs that DSM be undertaken in the best interests of NS Power customers. With a portfolio level...
AI summary The 2027–2031 DSM Preferred Plan meets cost-effectiveness thresholds under the PUA, delivering $682.5M in ratepayer benefits with a 2.4 PAC result. It prioritizes affordability, avoids growth, and integrates solar-PV for Mi'kmaw communities while maintaining investment levels from the 2026 DSM Extension. The plan balances short-term affordability with long-term system benefits.
EfficiencyOne's (E1) Innovation activities generate insights through research and pilot testing of emerging technologies and delivery approaches to strengthen market readiness and delivery capacity, supporting the long-term effectiveness o...
AI summary EfficiencyOne's (E1) innovation activities focus on emerging technologies and delivery approaches to enhance DSM programs, with five key areas: market transformation, locational DSM, and strategic electrification. These efforts aim to address system transformation, increased load growth, and the transition to renewable energy, supporting balance between supply and demand in Nova Scotia's electricity system.
3. PROJECT DEVELOPMENT
AI summary The document outlines the 'PROJECT DEVELOPMENT' section of a Nova Scotia regulatory proceeding, listing key acronyms and entities involved in energy regulation, including organizations like NS Power, NSEB, and programs such as DSM and EE. It provides context for technical terms and regulatory frameworks relevant to the proceeding.
5 The Innovation Goals, justification and key activities for each of the Focus Areas are shown below in [Table 2.](#page-220-3) Focus Area Innovation Goal(s) Justification Key Activities Demand Flexibility or Load Flexibility 1. Improve co...
AI summary The focus area of Demand Flexibility or Load Flexibility aims to improve the cost-effectiveness of DR programs, enable grid flexibility through DER orchestration, and leverage planning insights for flexibility use cases. Key activities include developing strategies for flexible events, capacity-building, stakeholder coordination, and pilot evaluations. Collaboration with NS Power and NSIESO is required for establishing benefits of new use cases.
4. PILOT OVERVIEW
AI summary The section outlines a pilot program overview within a Nova Scotia regulatory proceeding, listing acronyms related to energy management, utility regulation, and program administration. Key terms include Demand Side Management (DSM), Public Utilities Act (PUA), and Nova Scotia Energy Board (NSEB), reflecting the regulatory and operational context of the proceeding.
4 3. 2027–2031 DSM PLAN RBIA RESULTS - 5 The results in this section are for the 2027–2031 DSM Preferred Plan. All impacts are calculated relative - 6 to a scenario where no DSM is conducted in 2027–2031. Results are summarized in Attachme...
AI summary The 2027–2031 DSM Preferred Plan RBIA results compare impacts to a no-DSM scenario, analyzing energy efficiency, demand response, and solar-PV separately and combined. Attachments 1 and 2 detail model outputs, rate impacts, and bill adjustments for each rate class, with selected graphs illustrating key findings.
5.2 RENEWABLE TO RETAIL - Adjustments were made to address two issues caused by the addition of the Renewable to Retail program - within the rate and bill impact analysis. 1 First, the DSM rate rider is applied to total class volumes inclu...
AI summary Adjustments were made to the Renewable to Retail program's rate and bill impact analysis to address two issues: the exclusion of Renewable to Retail GWh in DSM rate rider calculations, leading to overestimated rate impacts, and the omission of retailer energy savings in bill impact calculations. NS Power adjusted load data and models to correct these issues.
5.3 RBIA STUDY PERIOD A solar-PV resource was modelled for the first time as part of the 2027–2031 DSM Plan. With a 30-year measure life, solar-PV installations in 2031 would generate DSM impacts through 2060. However, the NS Power rate mo...
AI summary The 2027–2031 DSM Plan initially considered extending the RBIA study period to 2060 to account for solar-PV impacts, but NS Power and E1 opted to retain the 2055 model configuration. Reasons included data limitations, solar-PV's minor role compared to expiring energy efficiency measures, and the adequacy of 2046 impacts for decision-making.
2.1 ENERGY EFFICIENCY INPUTS - For the 2027–2031 DSM Plan RBIA, first-year energy, lifetime energy, demand savings and expenditures developed at the program component level were allocated to rate classes in proportion with the actual rate...
AI summary The 2027–2031 DSM Plan RBIA allocates energy savings and expenditures by rate class using historical 2022–2024 data and weighted-average measure lives (WAMLs). Solar-PV inputs are allocated entirely to the residential rate class with a 30-year measure life, excluded from historical RBIA periods. Savings estimates for 2025–2026 use the approved 2023–2025 DSM Plan and 2026 extension.
4. TIME PERIOD DEFINITIONS - The following time periods apply to the RBIA analysis: - DSM delivery period: the timeframe over which DSM programs are delivered. - The DSM delivery period included in the 2027–2031 DSM Plan RBIA is 2027–2031...
AI summary The document defines three time periods for the Rate and Bill Impact Analysis (RBIA) of Nova Scotia's Demand Side Management (DSM) programs: DSM delivery (2027–2031 and 2011–2026), cost recovery (same periods), and study periods (2027–2046 and 2011–2041). Energy efficiency impacts, not solar-PV, determine the study period, with solar-PV effects visible until 2055.
7.3 SOLAR-PV PARTICIPATION - For the 2027–2031 DSM Plan, solar-PV participation is a direct output of Guidehouse's ProCESS - model. 100% of participation was allocated to the residential rate class. Active participation was - calculated ba...
AI summary The 2027–2031 DSM Plan uses Guidehouse's ProCESS model to allocate 100% of solar-PV participation to residential rate classes. Solar-PV measures, with a 30-year lifespan, do not expire by 2055, as their duration exceeds the model's timeframe.
5 7.5 COMBINED PARTICIPATION - 6 In the DSM scenario—where the combined effects of energy efficiency, demand response, and - 7 Solar-PV are evaluated—the rate-class participation is assumed to be the highest level observed - 8 among the th...
AI summary In the DSM scenario, combined participation of energy efficiency, demand response, and solar-PV uses the highest observed rate-class participation due to overlapping program participation, particularly between energy efficiency and solar-PV, and energy efficiency and demand response.
Results
AI summary The document section 'Results' is under review, with no substantive content provided. Key entities and topics are inferred from the context, including regulatory bodies, energy programs, and technical terms related to Nova Scotia's energy sector.
Table 2: 2027–2031 Alternate Scenario Investment and Savings 2027-2031 Portfolio Year Investment ($M) Lifetime Benefits ($ million) First-Year Energy Savings (GWh) Peak Demand Savings (MW) Lifetime Energy Savings (GWh) Low- Income & Equity...
AI summary Table 2 presents investment and savings data for energy efficiency and demand response programs from 2027 to 2031. It includes metrics such as investment, lifetime benefits, energy savings, peak demand savings, and weighted average measure life for various programs.
1 Table 6: 2029 Alternate Scenario Savings and Investment by Program Component 2029 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Deman...
AI summary The text presents a table titled '2029 Alternate Scenario Savings and Investment by Program Component' with columns related to investment, benefits, energy savings, and other metrics. However, no data is provided under the 'Residential EE Programs' row, leaving the content incomplete.
1 1.3 ALTERNATE SCENARIO – PROGRAMS 15 Alternate tab for the Alternate Scenario). - 2 The Alternate Scenario removes the residential program component (Eco Shift) from the Demand - 3 Response program. 4 - 5 All other DSM programs in the Al...
AI summary The Alternate Scenario removes the residential Eco Shift program from Demand Response but retains energy efficiency and solar-PV programs, including new Mi'kmaw initiatives. Technical details are outlined in appendices, with no changes to energy efficiency or solar-PV measures compared to the Preferred Plan.
4 ELECTRICITY EFFICIENCY AND CONSERVATIONDEMAND-SIDE MANAGEMENT 5 ACTIVITIES
AI summary The document outlines Nova Scotia's regulatory focus on electricity efficiency, conservation, and demand-side management (DSM) activities. Key entities include NS Power, NSEB, and NSUARB, with emphasis on programs like DSMAG and E1. Topics cover energy efficiency, rate design, and regulatory frameworks.
PERFORMANCE REQUIREMENTS - I. UARBNSEB-APPROVED PERFORMANCE TARGETS, THRESHOLDS, AND INDICATORS - a) Performance Targets and Thresholds: - Performance Targets are set over the three five year contract period, rather than annually. - ii. Ef...
AI summary Performance targets for EfficiencyOne (E1) are set over three five-year contract periods, requiring 90% achievement of metrics like energy savings, peak demand reduction, and solar-PV generation. Non-compliance triggers regulatory action, with the Nova Scotia Energy Board (NSEB) determining remedies. Targets include specific programs for affordable housing and Mi'kmaw communities.
4 DEMAND-SIDE MANAGEMENT ACTIVITIES
AI summary This section outlines Demand-Side Management (DSM) activities in Nova Scotia, referencing regulatory frameworks, utility programs, and energy efficiency initiatives. Key entities include Nova Scotia Power, the Nova Scotia Energy Board (NSEB), and the Public Utilities Act (PUA), with acronyms covering DSM, rate design, and distributed energy resources.
14 15 Cumulative Net Energy Savings at Generator over the Term (GWh) Cumulative Net Peak Demand Savings at Generator over the Term (MW) Cumulative Energy Savings – Low Income & Equity (GWh) Available Demand Response Capacity (MW) Cumulativ...
AI summary The text presents a table with performance targets related to energy savings and generation, including cumulative net energy savings, peak demand savings, low-income and equity energy savings, available demand response capacity, and cumulative net solar-PV generation. However, the table lacks specific numerical data and is incomplete.
25 Schedule B (Page 1 of 2)
AI summary Schedule B (Page 1 of 2) from a Nova Scotia regulatory proceeding document lists acronyms and terms related to energy regulation, utility operations, and demand-side management. Key entities include NS Power, NSEB, and ERBA, with topics covering energy efficiency, rate design, and regulatory frameworks.
4.2 DSM Resource Plan Research
AI summary Section 4.2 discusses research related to Demand Side Management (DSM) resource planning in Nova Scotia, involving regulatory bodies, programs, and analyses of energy efficiency, demand response, and cost recovery mechanisms.
4.3.2 Cost-Effectiveness Testing - 5 E1 will apply the Board-approved cost-effectiveness test at the portfolio level under the Public - Utilities Act . - 7 As directed under M12282, the PAC test is the primary screening test, using NS Powe...
AI summary E1 will apply the Board-approved cost-effectiveness test at the portfolio level under the Public Utilities Act, using the PAC test with NS Power's WACC as the discount rate. Strategic electrification must reduce GHG emissions and electricity costs. E1 will provide results at multiple levels and justify failed measures individually.
E-32025 DSM Evaluation Reports
27 passages
[https://energy.gov/energysaver/heat-and-cool/heat-pump-systems/geothermal-heat-pumps#306534-tab-1.](https://energy.gov/energysaver/heat-and-cool/heat-pump-systems/geothermal-heat-pumps#306534-tab-1) [https://www.nrcan.gc.ca/energy-efficie...
AI summary The text includes URLs and citations to studies on geothermal heat pumps, Energy Star Canada guidelines, residential insulation measure lifetimes, and utility-scale PV operational expenses. References span technical resources from Hydro-Québec, NREL, and DNV, focusing on energy efficiency and renewable energy research.
Program Components Bibliographic References Nova Scotia Power, Total System Emissions, https://www.nspower.ca/clean-energy/air-emissions-reporting (last accessed August 26, 2025). Emera Inc., Emera Inc. 2024 Annual Report, p. 32, available...
AI summary The text provides bibliographic references for program components and related documents, including emissions reports, annual reports, and studies from Nova Scotia Power and Emera Inc., as well as references to the Nova Scotia Utility and Review Board.
7.2.2 Unitary Energy Savings [Table](#page-108-1) 15 below summarizes the tracked and evaluated electrical energy savings values for the product categories rebated through Instant Savings, which were revised as part of the 2025 DSM MA upda...
AI summary The document discusses revisions to unitary energy savings values for LED products, lighting controls, and smart thermostats as part of the 2025 DSM MA update. Changes are attributed to new baseline assumptions and algorithm updates. The Evaluator also reviewed Amendment 18 to Canada's Energy Efficiency Regulations and found no impact on unitary savings for rebated products.
[Table](#page-154-0) 2 below presents the participation levels, NTGRs, evaluated gross and net savings at the generator, annual GHG emission reductions, as well as effective useful life (EUL) values for each program component and for Exist...
AI summary The table presents participation levels, net-to-gross ratios, evaluated gross and net savings, annual GHG emission reductions, and effective useful life values for each program component and for Existing Residential as a whole.
Table 2: Overall 2025 Existing Residential Participation and Evaluated Savings Participation Level Gross Savings NTGR Net Savings Value Unit Value Unit Value Value Unit AMH Electrical Energy Savings 98 Projects 1.378 GWh 1.00 1.378 GWh Lif...
AI summary Table 2 presents the 2025 residential participation and evaluated savings across various programs, including energy savings, GHG emission reductions, and net-to-gross ratios (NTGR). The data highlights participation levels, gross and net savings, and the effective useful life (EUL) of different initiatives such as AMH, ASFH, EPI, Green Heat, HEA, MHEEP, and Residential Behaviour.
Table 17: Evaluated 2025 ASFH Gross GHG Emission Reductions Total Gross Energy Savings – at the Generator (GWh) 6.135 Nova Scotia-specific GHG Emissions Factor for Electricity Production (tonnes of CO2 eq/GWh) 469.3 Gross Annual GHG Emissi...
AI summary Table 17 evaluates the 2025 gross GHG emission reductions from Affordable Single-family Homes (ASFH) programs. It shows energy savings, the Nova Scotia-specific GHG emissions factor, and the resulting annual GHG emission reductions.
The detailed results per measure are presented in [Table](#page-17-0) 29 below. The net electrical energy savings resulted in 3,426 tonnes of CO2 eq in net annual GHG emission reductions. LED Lamps Product Category 9 W Replacing 25 W 29 W...
AI summary The document presents detailed results of energy savings from LED lamps, showing net annual GHG emission reductions of 3,426 tonnes of CO2 eq. The table includes gross and net electrical energy savings, net-to-gross ratios, line loss factors, and peak demand savings at both the meter and generator levels.
Table 31: 2025 Green Heat Incentives Measure Incentive Heat Pumps Ductless Mini-split Heat Pumps $200/refrigeration tonne Centrally Ducted Air-source Heat Pumps $400/refrigeration tonne Air-to-water Heat Pumps $400/refrigeration tonne Grou...
AI summary Table 31 outlines the 2025 Green Heat Incentives, providing financial incentives for various heating measures such as heat pumps, biomass systems, and demand reduction technologies. Certain measures were discontinued as of May 1, 2025, though installations completed within 180 days of the cutoff remained eligible for rebates.
Table 34: Evaluated 2025 Green Heat Gross Electrical Energy and Peak Demand Savings MS MSHPs Measure Fully Electrical Mainly Electrical CASHPs Air-to-water Heat Pumps Wood Stoves Pellet Stoves Number of Units 649 16 16 1 121 29 Electrical...
AI summary Table 34 evaluates the 2025 Green Heat gross electrical energy and peak demand savings for various heating measures, including fully electrical and mainly electrical systems, as well as heat pumps and stoves. It provides unitary and gross energy savings at both the meter and generator levels, along with effective useful life and peak demand savings.
Table 41: 2025 HEA Evaluation Approach Evaluation Objectives Research Questions Methodology Calculate gross results › Are the data in the tracking sheet complete, accurate, and consistent? › What are the evaluated first-year and lifetime g...
AI summary This section outlines the methodology for evaluating the 2025 Home Energy Assessment (HEA) program, focusing on calculating both gross and net results, including energy savings and GHG emission reductions, using tracking sheets and evaluation data from previous years.
Table 48: 2025 HEA NTGR Values Measure Free-ridership Participant Spillover NTGR Energy Efficiency Measures 17% 0.84 Solar PV Measures 26% 1% 0.75 19.3.4 Unconverted Assessment Spillover
AI summary Table 48 presents the 2025 HEA NTGR Values, showing Energy Efficiency Measures with 17% free-ridership and Solar PV Measures with 26% free-ridership and 1% participant spillover. The NTGR values are 0.84 and 0.75, respectively. Section 19.3.4 discusses unconverted assessment spillover.
Table 69: Overall 2025 Existing Residential Participation and Evaluated Savings Participation Level Gross Savings NTGR Net Savings Value Unit Value Unit Value Value Unit AMH Electrical Energy Savings 98 Projects 1.378 GWh 1.00 1.378 GWh Li...
AI summary Table 69 outlines the participation levels and savings across various residential programs in 2025, including energy savings, GHG emission reductions, and effective useful life for each program category such as AMH, ASFH, EPI, and Green Heat. The table provides data on gross and net savings, highlighting the impact of these programs on energy efficiency and emissions reduction.
3.2.5 Evaluated Gross Savings To obtain evaluated gross savings, the Evaluator applied the adjustment ratios[10](#page-13-1) established as part of the 2023 SBES impact evaluation to 2025 tracked savings. [Table](#page-14-0) 8 and [Table](...
AI summary The document discusses the calculation of evaluated gross savings for the 2025 SBES impact evaluation, using adjustment ratios from the 2023 SBES and line loss factors updated in 2019, submitted to the Nova Scotia Utility and Review Board (now the Nova Scotia Energy Board) as part of the 2014 Cost of Service Study Progress Update.
Figure 6: 2025 SBES Tracked and Evaluated Gross Electrical Energy Savings at the Generator 0.043 1.699 0.043 1.717 0.000 0.250 0.500 0.750 1.000 1.250 1.500 1.750 2.000 Audit DIY Evaluated Gross Peak Demand Savings (MW) Tracked Gross Peak...
AI summary The text presents figures and tables related to energy savings and GHG emission reductions from the 2025 SBES program. It discusses gross electrical energy savings and peak demand savings, as well as the calculation of GHG emission reductions using a Nova Scotia-specific factor.
Table 11: Evaluated 2025 SBES GHG Gross Emission Reductions Total Gross Electrical Energy Savings – at the Generator (GWh) 9.774 Nova Scotia-specific GHG Emissions Factor for Electricity Production (tonnes of CO2 eq/GWh) 469.3 Gross Annual...
AI summary Table 11 presents the evaluated 2025 SBES GHG gross emission reductions, showing 9.774 GWh of gross electrical energy savings and 4,587 tonnes of CO2 eq annual GHG emission reductions.
Table 14: Home Battery Incentive Structures and Levels per Jurisdiction Program Administratora Enrollment Incentive Participation Incentive Efficiency Nova Scotia $500/household $300/average kW across all events BC Hydro $500/household $25...
AI summary Table 14 outlines home battery incentive structures and levels per jurisdiction, showing variations in enrollment and participation incentives across different program administrators in Canada and the US. The table highlights the differences in financial support provided by entities such as Efficiency Nova Scotia, BC Hydro, and others.
Table 21: 2024/25 Available DR Capacity per Participant per Event Available DR Capacity per Participant (W) Event # Event # Event Date Smart per Space EV Telematics Battery EBB Only MSHP Only EBB and MSHP Only Others and Chargers Controls...
AI summary Table 21 presents the 2024/25 available demand response (DR) capacity per participant per event, highlighting variations across different pathways such as Smart per Space, EV Telematics, and Battery Controls. The data shows average available DR capacity values, with some margins of error slightly above the typical 10% threshold. The Evaluator considers these acceptable for establishing 2025 results and E1 tracking for 2026 but notes the need for further analysis to ensure consistency year over year.
C. Perceived Potential Benefits - C1. What do you see as the potential benefits of taking part in the program? Select all that apply. [MULTIPLE RESPONSE. RANDOMIZED 1-6] - 1. Receiving financial incentives for enrolling in the Eco Shift Pr...
AI summary The section outlines perceived benefits of the Eco Shift Program, including financial incentives, reduced peak demand, sustainability support, and grid reliability. It also asks for additional information needed to reconsider enrollment.
Table 30: Solar Domestic Hot Water Measure Summary Parameter Green Heat Reference Measure Description and Identification Measure Solar domestic hot water heating rebated after purchase - Baseline Existing conventional electric water heater...
AI summary Table 30 summarizes the Solar Domestic Hot Water Measure, including its description, baseline, and energy savings parameters. The measure involves rebating solar domestic hot water heating systems after purchase, with a 20-year effective useful life and no electrical savings due to a peak demand-to-energy ratio of 0.
Table 64: Solar Air Heating Measure Summary Parameter Green Heat Reference Measure Description and Identification Measure Solar air heating systems rebated after installation - Baseline Electric space heating (resistance or heat pump) Gene...
AI summary Table 64 outlines the parameters for the Solar Air Heating Measure, including installation rates, useful life, and energy savings calculations. The measure involves rebating solar air heating systems after installation, with a baseline of electric space heating. Energy savings are calculated using RETScreen and include a peak demand-to-energy ratio of 0.000.
Table 138: EV Telematic and Charger Control Measure Parameters Included in the In-service Rate Parameter Value Reference Participation Rate 2.9% Residential DR 2025 evaluation 2.7 Renewables
AI summary Table 138 outlines the participation rate for EV telematic and charger control measures at 2.9%, referencing a residential demand response evaluation for 2025. Section 2.7 introduces the topic of renewables.
2.7.1 Interactive Effects Interactive effects are assumed to be nil for solar photovoltaic (PV) projects since the equipment involved in such systems is typically installed outdoors.
AI summary The text assumes no interactive effects for solar photovoltaic (PV) projects due to outdoor installation of equipment, which minimizes potential interactions with other systems or resources.
2.7.2 Peak Demand Savings Factors For solar PV projects, peak demand savings are nil since the solar PV energy production from those systems coinciding with the peak period is negligible.
AI summary Solar PV projects in Nova Scotia contribute no peak demand savings because their energy production during peak periods is negligible, as stated in the regulatory proceeding document.
Table 139: Solar Photovoltaic System Measure Summary Parameter HEA Reference Measure Description and Identification Measure Solar PV systems of a maximum of 100 kW, rebated after installation - Baseline No solar PV systems General Paramete...
AI summary Table 139 outlines the parameters for Solar Photovoltaic (PV) systems, including installation rates, useful life, and energy savings calculations. The table provides details on the baseline, measure description, and various technical parameters related to electrical savings and demand.
The electrical unitary energy savings for solar PV systems installed in commercial, industrial, and agricultural applications are calculated using the variables defined and listed in the equations and tables below. For each solar PV projec...
AI summary The document outlines the methodology for calculating electrical unitary energy savings from solar PV systems in commercial, industrial, and agricultural settings, specifying the use of PV Watts or RETScreen Expert tools and accounting for 14% miscellaneous losses. Systems are limited to 100 kW due to inverter capacity.
Table 251: Electrical Unitary Energy Savings Values for Solar PV Systems Parameter Symbol Value Reference Modelled Energy Production [kWh] - Actual Project documentation Snow Loss Factor [%] - For panel tilt angles ≥ 25°: 1% Northern Alber...
AI summary Table 251 presents electrical unitary energy savings values for solar PV systems, including parameters like modelled energy production, snow loss factors based on panel tilt angles, and calculated unitary energy savings. The snow loss factor is derived from a reference by the Northern Alberta Institute of Technology.
Table 253: Solar Air Heating Measure Summary Parameter BER-AR, SBES Reference Measure Description and Identification Measure CSA approved Solar air heating systems rebated after installation - Baseline Electric space heating (resistance or...
AI summary This table summarizes the parameters for the Solar Air Heating Measure, including installation rates, useful life, and energy savings calculations using RETScreen. The measure involves CSA-approved solar air heating systems rebated after installation, with a baseline of electric space heating.
E-12E1 (NSEB) RIRs 1-66 - Redacted
21 passages
(a) The following IR response for part (a) (i) has been provided by NS Power. in Excel format with all formulae intact and unaltered. i) Avoided Energy Costs have decreased in the early years because the Base Case (with DSM) had higher car...
AI summary Avoided Energy Costs have decreased in early years due to higher carbon emissions in the Base Case (with DSM) compared to the No DSM Case, leading to increased total carbon costs. The No DSM Case builds more wind capacity in 2027 and 2029 to meet renewable targets. The Equivalent Escalating Series is recommended for normalizing costs over time.
E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 Potential study conducted over the 2027–2031 period. E1 is undertaking a DSM 26 79A(b)(v)). The Preferred Plan's proposed portfolio — comprising energy...
AI summary E1 is undertaking a Demand Side Management (DSM) study over the 2027–2031 period. The Preferred Plan includes energy efficiency programs, demand response, customer-sited solar PV, and enabling strategies.
Table 2: Incremental Equipment Cost Scenarios Scenario General Description Replacement After A customer may decide to make a purchase of a technology or service after their current technology or service is supposed to have failed, burned o...
AI summary The table outlines a scenario where a customer replaces a technology or service after their current one is expected to fail but is still functioning. This scenario is part of an analysis of incremental equipment costs.
NOVA SCOTIA'S ELECTRICITY SYSTEM In 2015, Nova Scotia had an annual electricity consumption of 10,400 GWh. The residential sector accounts for 45 percent of consumption, the commercial sector uses about 32 percent, and the industrial secto...
AI summary Nova Scotia's electricity system has seen a 70% increase in retail rates over the past decade due to industrial load reduction, renewable integration, and rising fuel costs. NS Power dominates the electricity infrastructure, while the province aims to reduce coal usage and increase renewable energy by 2020. Key themes include accountability, market competition, stable rates, and innovation.
MARKET STRUCTURE OVERVIEW BC Hydro is a provincial Crown corporation. Their mandate is to generate, distribute, purchase and sell electricity. The sole shareholder of BC Hydro is the Province of British Columbia. BC Hydro reports to the Mi...
AI summary BC Hydro, a provincial Crown corporation, is responsible for generating and distributing electricity in British Columbia. It operates under the supervision of the Ministry of Energy and Mines and is regulated by the British Columbia Utilities Commission (BCUC). The Integrated Resource Plan and the Clean Energy Act guide BC Hydro's long-term strategy, emphasizing demand-side management (DSM) and renewable energy investments to meet energy demand and environmental targets.
2014 Total System Power in Gigawatt Hours Fuel Type California In-State Generation (GWh) Percent of California In-State Generation Northwest Imports (GWh) Southwest Imports (GWh) California Power Mix (GWh) Percent California Power Mix Coal...
AI summary The table presents the breakdown of California's total system power in 2014 by fuel type, including in-state generation, imports from the Northwest and Southwest, and the overall power mix. Renewable energy sources accounted for 20.1% of the total power mix.
Please see Table below which details what factors are taken into account when examining each avoided cost component in California: Component Basis of Annual Forecast Basis of Hourly Shape Generation Energy Forward market prices and the $/k...
AI summary The table outlines factors considered in examining avoided cost components in California, including generation energy, capacity, ancillary services, T&D capacity, environment, and avoided RPS, with details on their annual forecast and hourly shape bases.
Energy Trust of Oregon Funding Through state legislation, tariffs and other requirements, Energy Trust is funded by customers of Portland General Electric, Pacific Power, NW Natural and Cascade Natural Gas. Customers of all four utilities...
AI summary Energy Trust of Oregon is funded by customers of Portland General Electric, Pacific Power, NW Natural, and Cascade Natural Gas through a public purpose charge and state legislation. Energy Trust delivers energy-efficiency and renewable energy programs, with increased savings and funding after the passage of SB 838 in 2008. Expenditures rose from $63 million in 2008 to $117 million in 2013.
NY Electric Utility Net Generation (GWh): 2,639 Hydroelectric: 1,802 (68%) Natural Gas: 746 (28%) Petroleum: 112 (4%) Coal: 2 (0%)
AI summary The document provides a breakdown of New York's electric utility net generation, showing hydroelectric as the largest contributor at 68%, followed by natural gas at 28%, and smaller contributions from petroleum and coal.
New York Public Service Commission The New York Public Service Commission regulates and oversees the electric, gas, water and telecommunication industries, as part of the Department of Public Service. In 2015, the Public Service Commission...
AI summary The New York Public Service Commission oversees energy and utility industries and implemented the REV strategy in 2015 to promote energy efficiency, renewable energy, and distributed energy resources. The Commission also reviews and approves NYSERDA's energy conservation program plans and budgets.
In 2013, electricity in New York was generated by the following resources: Resource Contribution Petroleum 1% Natural Gas 36% Coal 1% Nuclear 33% Hydroelectric 22% Other Renewables 6% NYSERDA OVERVIEW
AI summary In 2013, electricity generation in New York was primarily from natural gas (36%), nuclear (33%), and hydroelectric (22%). The document also introduces NYSERDA, the New York State Energy Research and Development Authority.
Sources of Funding The Systems Benefit Charge (SBC) is the primary source of NYSERDA s funding for energy conservation programs. It was established on May 20, 1996. The funds collected from the SBC are allocated towards energy efficiency p...
AI summary The Systems Benefit Charge (SBC) is the primary funding source for NYSERDA's energy conservation programs, including the Energy Efficiency Portfolio Standard (EEPS), which has been replaced by the Clean Energy Fund (CEF). Additional funding sources include the Regional Greenhouse Gas Initiative (RGGI) and the Renewable Portfolio Standard (RPS), both of which focus on renewable energy and carbon abatement.
Electricity Market The following entities make up the electricity system in Vermont. - Efficiency Vermont (Vermont Energy Investment Corporation VEIC) - Vermont Public Services Board (PSB) - ISO New England (ISO-NE) - Vermont Electric Powe...
AI summary The electricity market in Vermont includes Efficiency Vermont, the PSB, ISO-NE, and VELCO. Efficiency Vermont was established in 1999 by the PSB to manage energy efficiency programs, funded by an energy efficiency charge on utility bills. ISO-NE manages the bulk power system in New England, while VELCO operates Vermont's bulk transmission system and is regulated by the state.
Electricity Generation In 2014, Vermont was dominated by two types of generation sources; nuclear power and hydroelectric. Nuclear power made up about 70 perent of generated electricity, with hydroelectric making up another 20 percent. The...
AI summary In 2014, Vermont's electricity generation was primarily from nuclear power (70%) and hydroelectric (20%), with wood burning and wind accounting for the remaining 10%. The state's only nuclear power plant closed at the end of 2014, and Vermont does not have a large greenhouse gas commitment from fossil fuels.
Total Energy Production (MWh) 6,884,910 Hydroelectric 1,285,912 Natural gas 3,029 Nuclear 4,846,327 Other biomass 25,698 Petroleum 5,103 Solar 17,293 Wind 236,034 Wood 465,513 Vermont is summer peaking with a load of 1,255 MW. Of the 6,900...
AI summary The document provides a breakdown of total energy production in Vermont, highlighting the contribution of various energy sources. It notes that Vermont has a summer peak load of 1,255 MW, with over 85% of generation coming from large-scale generators and CHP units, and most generators participating in ISO-NE's forward capacity market.
E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 E1 has accumulated significant experience administering solar-PV programs over many 2 years, providing a strong foundation for the delivery of the sola...
AI summary E1 has extensive experience in administering solar-PV programs through various initiatives, supporting its ability to deliver the solar-PV component of the 2027–2031 DSM Plan. E1 also provides support for small-scale biomass generation but did not explore other renewable energy resources in the proposed DSM Plan.
Values, page 162 (PDF 336/1442). Measure Free-ridership Participant Spillover NTGR Energy Efficiency Measures 17% 40/ 0.84 Solar PV Measures 26% 1% 0.75 - 4.12.5 INCREMENTAL COST
AI summary The document presents a table comparing free-ridership and participant spillover for energy efficiency and solar PV measures, along with NTGR values. It also references a section on incremental cost, indicating a focus on cost analysis in energy programs.
3.1.2 Subject Area 2: Distributed Energy Resources (DERs) DERs are small-scale energy generation or storage systems that are located close to the point of use, such as in homes, businesses or communities. Typical technologies include solar...
AI summary The document discusses the role of Distributed Energy Resources (DERs) in Demand Side Management (DSM), focusing on the testing of Behind-The-Meter batteries (BTM) as part of a load flexibility pilot. It also mentions investigating commercial battery opportunities for integration into long-term load flexibility strategies.
Innovation Objective Subject Areas Innovation Projects l 20 25 l 202 26 ١ 20 27 20 28 20 29 20: 30 Innovation Objective Subject Areus iiiiovation Projects Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 ( 24 Adopt sche...
AI summary The document outlines various innovation objectives and projects related to building code amendments, energy efficiency initiatives, and technology research. These include pilot programs for heat pump water heaters, distributed energy resources, and research into generator backup and heat pump commissioning.
3.4 Innovation Pilots Overview No. Technology Description 2025 Action Short-term Deliverables (1-3 years) Medium-term Deliverables (3-5 years) Long-term Deliverables (5+ years) Sector(s) Category / Categories 3 Behind-the meter batteries R...
AI summary The document outlines two innovation pilot programs for 2025: one involving behind-the-meter batteries for load flexibility and another exploring natural gas customer-sited generators as demand response assets. Short-term, medium-term, and long-term deliverables are outlined for each pilot, along with target sectors and categories.
3.4.1.3 Value stacking The value stacking pilot will launch in Q2 of 2025 and will focus on how to best use behind the meter (BTM) Distributed Energy Resources (DERs) for the customer. For example, peak shaving the customer load vs. discha...
AI summary The value stacking pilot, launching in Q2 2025, will explore the optimal use of behind-the-meter distributed energy resources (DERs) for customers. It will evaluate methods such as peak shaving, net metering, and demand response participation to determine the most valuable combination.
E-16E1 (Synapse) RIRs 1-90
27 passages
Investment Level As noted above, some DSMAG members raised concerns about the overall DSM investment level modelled in Round 2 2026-2030, including the investment in new resources. Inputs and assumptions for Strategic Electrification and S...
AI summary DSMAG members expressed concerns about the investment levels in Round 2's 2026-2030 DSM plan, leading to adjusted assumptions in Round 1 for 2027-2031. Strategic Electrification and Solar-PV investments were reduced compared to previous models, as illustrated in Figure 3.
Strategic Electrification Strategic Electrification, as modelled in Round 1 (2027-2031 DSM Plan) reflects participation that ramps up over the five-year period as implementation of the resource becomes more established. Strategic Electrifi...
AI summary Strategic Electrification is modeled in the 2027-2031 DSM Plan using existing program components (Instant Savings, BER, Custom), avoiding new resource deployment costs. Incentive levels are reviewed against E1's methodology and similar measures, though low-income/equity support is absent in current models. Section 3.5 provides further details.
Table 3: DSM Resource Scenarios Round 1 Modelling Results 2027-2031 DSM Resource Plan DSM RESOURCE SCENARIO Electric Energy Savings (GWh) Electric Demand Savings (MW) Estimated Generation (GWh) Available Capacity (MW) Installed Capacity (M...
AI summary Table 3 presents the results of the DSM Resource Scenarios Round 1 Modelling for the 2027-2031 DSM Resource Plan, including energy savings, GHG reductions, and costs for various scenarios such as Energy Efficiency, Demand Response, Solar-PV, and Strategic Electrification. The table compares Base and High scenarios for each resource type.
Table 11: Solar-PV Scenario - Round 1 Modelling Insights Scenario 1Solar-PV-Base RES BNI Total Carbon Emissions Avoided Five-Year Annual Total (kilotonne) 0.2 0.4 0.6 Cumulative Lifetime (kilotonne) 3.3 5.2 8.5 Generation & Installed Capac...
AI summary Table 11 presents the Solar-PV Scenario - Round 1 Modelling Insights, including carbon emissions avoided, generation and installed capacity estimates, investment splits, and unit costs for different scenarios. The data highlights the impact of Solar-PV on emissions reduction and cost efficiency.
3.4.1 SCENARIO 1SOLAR-PV-BASE The five-year total Round 1 modelling results are provided in [Table 12](#page-18-2) .
AI summary The five-year total Round 1 modelling results for Scenario 1 Solar-PV-BASE are presented in Table 12.
Table 12: Scenario 1Solar-PV-Base - Round 1 Modelling Results Scenario 1Solar-PV - Base (2027-2031) Investment ($ million) Lifetime TRC & PAC Benefits ($ million) NS Cost Test Lifetime Benefits ($ million) Estimated Generation (GWh) Lifeti...
AI summary Table 12 presents the results of the Solar-PV-Base scenario modeling for the years 2027-2031. It includes investment costs, benefits, generation estimates, and cost tests for residential and business programs. The data highlights the financial and operational impacts of solar photovoltaic initiatives.
4.3 SOLAR-PV ROUND 2 MODEL RESULTS [Table 7](#page-85-2) provides insights for the Solar-PV scenario modelled in Round 2.
AI summary This section presents the results of the Solar-PV scenario modelled in Round 2, as detailed in Table 7. It provides insights into the outcomes of this particular modelling exercise.
Table 7: Solar-PV Scenario - Round 2 Modelling Insights Scenario 1Solar-PV-Base RES BNI Total Carbon Emissions Avoided Five-Year Annual Total (kilotonne) 0.2 0.3 0.5 Cumulative Lifetime (kilotonne) 2.9 4.4 7.3 Generation & Installed Capaci...
AI summary Table 7 presents modeling insights for the Solar-PV Scenario in Round 2, detailing carbon emissions avoided, generation and installed capacity splits, investment splits, and unit costs. Scenario 1Solar-PV-Base includes data on emissions, generation, and investment distribution between RES and BNI.
Table 8: Scenario 1Solar-PV-Base - Round 2 Modelling Results Scenario 1Solar-PV - Base (2027-2031) Investment ($ million) Lifetime PAC Benefits ($ million) Estimated Generation (GWh) Lifetime Estimated Generation (GWh) Peak Demand Savings...
AI summary Table 8 presents the Round 2 modelling results for Scenario 1Solar-PV-Base, detailing investment, benefits, and generation estimates for residential and business solar-PV programs. The data includes investment amounts, lifetime Program Administrator Cost (PAC) benefits, estimated generation, and other key metrics.
Table 11: DSM Resource Scenarios Round 2 Modelling Results 2027-2031 DSM Resource Plan DSM RESOURCE SCENARIO Electric Energy Savings (GWh) Electric Demand Savings (MW) Estimated Generation (GWh) Available Capacity (MW) Installed Capacity (...
AI summary Table 11 and Table 12 provide modeling results and approved details for the DSM Resource Plans for the periods 2027-2031 and 2023-2026, respectively. The tables outline energy efficiency and demand response scenarios, including energy savings, investment costs, and GHG reductions.
Figure 1: Glossary of Terms Term Definition "…use the Program Administrator Cost (PAC) test as its primary test for screening the cost effectiveness of its proposed Demand Side Management (DSM) Plan for its next term beginning in 2027. E1...
AI summary The document discusses the use of the Program Administrator Cost (PAC) test for evaluating the cost-effectiveness of the Demand Side Management (DSM) Plan starting in 2027. E1 is directed to use NS Power's Weighted Average Cost of Capital (WACC) as the discount rate. The Board also mentions strategic electrification and its impact on reducing greenhouse gas emissions and electricity costs.
1 • combination of heat Energy Storage Solutions and Electric Space Heating 2 pumps and battery energy storage or electric thermal storage solutions. 3 • Hybrid Heating Load Management automation and direct-load control of 4 hybrid heating...
AI summary The text discusses E1's approach to the 2027–2031 DSM Plan, including hybrid heating load management, collaboration with NSIESO, and exclusion of Strategic Electrification due to legislative requirements not being met. E1 notes uncertainty about future results and confirms that past measures did not achieve both GHG emission and electricity cost reductions.
The forward-looking information is based on reasonable assumptions and is subject to risks, uncertainties and other factors that could cause actual results to differ materially from historical results or results anticipated by the forward-...
AI summary The forward-looking information includes various risks and uncertainties that could affect outcomes, such as regulatory changes, economic conditions, commodity prices, and technological developments. These factors may significantly impact actual results compared to historical or anticipated performance.
INTRODUCTION AND STRATEGIC OVERVIEW NSPI is a vertically integrated regulated electric utility. It is the primary electricity supplier in Nova Scotia, Canada. NSPI has $8.1 billion of assets and provides electricity generation, transmissio...
AI summary NSPI, a vertically integrated regulated electric utility in Nova Scotia, provides electricity to over 565,000 customers and has significant generating and transmission infrastructure. It owns 2,422 MW of generating capacity, including renewable sources, and has invested in grid-scale battery storage. NSPI has diversified its energy mix and reduced reliance on solid fuels.
NSPI's fuel costs are affected by commodity prices and generation mix, which is largely dependent on economic dispatch of the generating fleet. NSPI brings the lowest cost options on stream first after renewable energy from IPPs including...
AI summary NSPI's fuel costs are influenced by commodity prices and the generation mix, which depends on economic dispatch and includes renewable energy from IPPs and COMFIT participants. Thermal plant availability has slightly decreased but remains consistent with industry averages, supporting reliable energy supply during the transition to renewable generation.
Changes in Environmental Legislation NSPI is subject to extensive regulation by federal, provincial and municipal authorities regarding environmental matters; primarily related to its utility operations. This includes laws, regulations and...
AI summary NSPI is subject to various environmental regulations at multiple levels of government, including GHG emissions, renewable energy standards, and coal phase-out targets. Both the Province and the federal government have set net-zero goals by 2050, with the Province aiming to phase out coal-fired electricity by 2030. NSPI is collaborating with governments to meet these targets, though there is uncertainty around the continuation of exemptions from federal coal regulations.
Greenhouse Gas Emissions: NSPI is subject to GHG emission caps for the 2010 through 2030 period as outlined in the "Nova Scotia Greenhouse Gas Regulations", and further updated by Order in Council in 2013. The emission cap reduces from 10...
AI summary NSPI is subject to provincial GHG emission caps under the Nova Scotia Greenhouse Gas Regulations, which decrease from 10 to 4.5 megatonnes between 2010 and 2030. The province has an equivalency agreement with the federal government, exempting it from federal GHG regulations. NSPI is also required to participate in the OBPS and aligns with federal goals, including the Clean Electricity Regulations, to achieve a net-zero electricity grid by 2035.
Renewable Energy Regulations: The Province has established targets with respect to the percentage of renewable energy in NSPI's generation mix. Under the RER, the Company currently has a provincially mandated target of achieving at least 4...
AI summary Nova Scotia Power Inc. (NSPI) faces a $10 million penalty for non-compliance with renewable energy regulations (RER) for the 2022 compliance period. NSPI appealed the penalty through the Nova Scotia Energy Board (NSEB), and the hearing concluded in 2025, with a decision pending. The Province has set renewable energy targets for NSPI, requiring 40% renewable energy sales from 2020 to 2029 and 80% from 2030 onward.
Nova Scotia Energy Reform Act: On April 5, 2024, the Province enacted Bill 404 - Energy Reform (2024) Act. This legislation implements certain recommendations made by the Clean Electricity Solutions Task Force, which was established by the...
AI summary Bill 404 - Energy Reform (2024) Act was enacted on April 5, 2024, implementing recommendations from the Clean Electricity Solutions Task Force. It established the NSEB and the More Access to Energy Act, which sets up the IESO Nova Scotia. The IESO Nova Scotia began its phased transition in October 2025, with the first phase completed in December 2025.
Weather Risk A Material Adverse Effect may arise from weather seasonal variations impacting energy consumption, as well as severe weather events, changing air temperatures, wildfires and other severe weather conditions that are expected to...
AI summary The document discusses the risks posed by weather variations and severe weather events to Nova Scotia Power Inc. (NSPI), including impacts on energy consumption, infrastructure damage, revenue loss, and increased costs. These risks may lead to material adverse effects if not mitigated through insurance or regulatory processes.
Transition Risk: As government policy related to the environment, renewable energy, and decarbonization continues to shift, the Company is exposed to increased uncertainty and risk arising from policy, legal, regulatory, technology, and ma...
AI summary The Company faces increased transition risks due to evolving environmental policies, renewable energy mandates, and decarbonization efforts. These risks include regulatory uncertainty, capital investment needs, and potential impacts on insurance and litigation. The energy transition may also affect the Company's ability to recover costs through rates and could lead to material adverse effects.
Energy Consumption Risk NSPI is affected by demand for energy based on changing customer patterns due to fluctuations in a number of factors including general economic conditions, weather events, customers' focus on energy efficiency, chan...
AI summary NSPI faces energy consumption risk due to fluctuating customer demand influenced by economic conditions, weather, energy efficiency, and new technologies like solar and electric vehicles. Government policies promoting energy efficiency and distributed generation may also impact electricity demand, load, and revenue, potentially leading to a Material Adverse Effect on NSPI's operations and financials.
Pages 77-78 of Appendix A – Preferred Plan states, "E1 understands that NS Power is currently developing a Distributed Energy Resource (DER) Integration Roadmap, expected to be filed in early 2026, which will outline locational planning st...
AI summary E1 is engaged in the development of NS Power's DER Integration Roadmap, expected to be filed in early 2026. E1 contributes demand response expertise and requests expanded AMI data feeds to better target constrained areas. E1 expects ongoing collaboration with NS Power on the roadmap.
(c) Please provide the anticipated schedule and process for stakeholder engagement related to development of the DER Integration Roadmap. 1 (d) When does E1 currently expect this roadmap to be filed? 2 3 (e) Please summarize any input E1 h...
AI summary EfficiencyOne (E1) has participated in the DER Integration Roadmap process but does not lead it, as NS Power is responsible. E1 provided general input on phasing and timing of initiatives, emphasizing the need for a phased approach that considers interdependencies and system readiness.
- ii) Regular Roadmap Review and Refresh: Given the pace of change in distributed energy resources (DER) technologies, regulatory frameworks, and system needs, E1 suggests that the DER Integration Roadmap be treated as a living document. A...
AI summary E1 proposes a regular review and refresh of the DER Integration Roadmap to ensure it remains aligned with technological and regulatory changes. It also suggests ongoing information sharing and the establishment of a DER working group to coordinate initiatives with NS Power and the Nova Scotia Independent Energy System Operator. E1 is currently experiencing disruptions in AMI data feed access and awaits resolution.
tment to build the program and support the higher capacity target, including recruiting customers with lower available capacity where appropriate. This helped increase participation from 2024 to 2025. After the 2025 season, E1 refined its...
AI summary EfficiencyOne (E1) is refining its recruitment strategy for the BNI Demand Response (DR) program, focusing on customers with higher curtailable capacity and reliability. Participation growth is expected to slow due to this targeted approach. Incentives include performance-based payments, and E1 is considering DER integration and AMI data for future planning.
1 Table 1: 2027-2031 - Relationship between Portfolio, Resource, Sector, Program and Program Components 2027–2031 Portfolio Resource Sector Program Program Components Energy Efficiency Residential Residential Efficient Product Rebates Inst...
AI summary The text presents Table 1 outlining the 2027–2031 portfolio, resource, sector, program, and program components. It also includes a request (IR-88) for clarification on the metrics E1 will provide for the energy efficiency and demand-side management programs, including questions about the inclusion of the modified PAC, GHG emissions reductions, and solar PV generation.