Topic/Matter Intersection

Topic:"Residential Programs" in M12780

Matter: EfficiencyOne - 2027-2031 Demand Side Management (DSM) Plan Application
373 passages 38 documents

Residential Programs across all matters →

E-12027-2031 DSM Plan Application 49 passages
9 5.4 NON-ELECTRIC AND NON-ENERGY BENEFITS p. pp. 55-56
9 5.4 NON-ELECTRIC AND NON-ENERGY BENEFITS - Non-electric and non-energy benefits—such as improved comfort, health and safety, housing quality, - productivity, and market awareness—are realized as ancillary outcomes of cost-effective DSM -...

AI summary The section discusses non-electric and non-energy benefits from DSM programs, highlighting their role in improving living conditions and operational reliability, particularly in residential, low-income, and business sectors. The Plan emphasizes affordability and cost-effectiveness, ensuring these benefits support, but do not override, long-term system value and ratepayer savings.

6.2 HIGHLIGHTS OF THE 2027–2031 PLAN p. p. 61
6.2 HIGHLIGHTS OF THE 2027–2031 PLAN - Key highlights/portfolio insights of the 2027–2031 Preferred Plan include: - portfolio cost-effectiveness result of 2.4 for the Program Administrator Cost (PAC) test - demonstrating that the portfolio...

AI summary The 2027–2031 Preferred Plan highlights a portfolio cost-effectiveness result of 2.4, a $318.75 million investment in DSM resources, and expected lifetime benefits of $682.5 million for participating customers. The plan also includes new components like Mi'kmaw New Home Construction and residential solar-PV for Mi'kmaw communities.

- 5 Table 9: 2027–2031 DSM Preferred Plan Savings and Investment by Program Component p. pp. 63-64
- 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 presents the investment and savings projections for various residential energy efficiency programs under the 2027–2031 DSM Preferred Plan. The table highlights program components such as efficient product rebates, home energy assessments, and initiatives targeting low-income and equity impacts, detailing investments, lifetime benefits, energy savings, and other metrics.

Preamble p. pp. 64-331
Currency is expressed in nominal dollars. For the five-year total row, currency is a straight sum of 5 years of nominal values. Lifetime benefits for energy efficiency, demand response and solar-PV are expressed as the net present value of...

AI summary The text discusses the calculation of lifetime benefits for energy efficiency, demand response, and solar-PV programs using net present value and utility WACC. It also mentions the inclusion of low-income and equity impacts from both dedicated and non-targeted programs.

5 p. p. 65
5 Program Program Component Changes from 2023–2026 Plan 2027–2031 Status Residential Efficient Product Rebates Appliance Retirement • Component ended in 2025 following declining savings, rising delivery costs, and limited availability of s...

AI summary The document outlines changes to residential energy efficiency programs in Nova Scotia, including the retirement of the Appliance Retirement component, modifications to the Instant Savings program, and updates to the Affordable Multifamily Housing and Efficient Product Installation programs. These changes reflect adjustments in incentive levels, expansion of rebate categories, and enhancements to customer experience.

2.2.6 UNIT COST RESULTS p. p. 91
2.2.6 UNIT COST RESULTS Unit cost data is a calculation output reflecting E1's investment and energy savings over a defined time period. Actual results for the 2023–2025 period show a portfolio-level unit cost of $0.37/kWh, slightly lower...

AI summary The 2023–2025 unit cost for E1's energy efficiency programs was slightly lower than the approved plan, but residential unit costs have risen due to the pause of the Residential Behaviour program and changes in program components. These trends are expected to continue into 2026 and influence the development of the 2027–2031 DSM Preferred Plan.

DATE FILED: March 31, 2026 Page 24 of 112 p. pp. 111-114
DATE FILED: March 31, 2026 Page 24 of 112 Area of Change Change/New Element Rationale and Context beneficial initiatives in its upcoming five-year DSM Plan"12 • E1 evaluated whether Residential Behaviour could be repurposed as a marketing...

AI summary The document outlines changes to the DSM Plan, including the introduction of a new Mi'kmaw New Home Construction program component, the removal of residential lighting from Instant Savings and Efficient Product Installation due to LED becoming the baseline, and a transition in BNI lighting market starting in mid-2026.

Table 8: 2027–2031 DSM Preferred Plan Savings and Investment by Program Component p. pp. 114-115
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 investment and benefits of various Demand Side Management (DSM) programs in Nova Scotia from 2027 to 2031, including energy savings, peak demand reductions, and program-specific metrics such as the Program Assessment Criteria (PAC).

Section 221 p. p. 115
Currency is expressed in nominal dollars. For the five-year total row, currency is a straight sum of 5 years of nominal values. Lifetime benefits for energy efficiency, demand response and solar-PV are expressed as the net present value of...

AI summary The document discusses the calculation of lifetime benefits for energy efficiency, demand response, and solar-PV programs using net present value of avoided costs. It also highlights low-income and equity impacts based on participation in specific programs. The text references Table 13 and includes some numerical data.

- 4 Table 9: 2027 DSM Preferred Plan Savings and Investment by Program Component p. pp. 115-116
- 4 Table 9: 2027 DSM Preferred Plan Savings and Investment by Program Component 2027 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Dem...

AI summary Table 9 presents the 2027 DSM Preferred Plan Savings and Investment by Program Component, showing details such as investment, lifetime benefits, energy savings, and other metrics for various residential energy efficiency programs in Nova Scotia.

Section 225 p. p. 116
Columns may not add correctly due to rounding. Currency is expressed in nominal dollars. For the five-year total row, currency is a straight sum of 5 years of nominal values. Lifetime benefits for energy efficiency, demand response and sol...

AI summary The document discusses the calculation of lifetime benefits for energy efficiency, demand response, and solar-PV programs using net present value of avoided costs. It also highlights the inclusion of low-income and equity impacts from both targeted and non-targeted programs.

1 Table 10: 2028 DSM Preferred Plan Savings and Investment by Program Component p. pp. 116-117
1 Table 10: 2028 DSM Preferred Plan Savings and Investment by Program Component 2028 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Dema...

AI summary Table 10 presents the 2028 DSM Preferred Plan Savings and Investment by Program Component, detailing energy efficiency programs, including investments, benefits, and savings across residential and multifamily housing initiatives, with a focus on energy efficiency and demand response.

1 Table 11: 2029 DSM Preferred Plan Savings and Investment by Program Component p. pp. 117-118
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 outlines the 2029 DSM Preferred Plan Savings and Investment by Program Component, including details on investment amounts, energy savings, and other metrics for various residential energy efficiency programs in Nova Scotia.

1 Table 12: 2030 DSM Preferred Plan Savings and Investment by Program Component p. pp. 118-119
1 Table 12: 2030 DSM Preferred Plan Savings and Investment by Program Component 2030 Investment ($ million) Lifetime Benefits First Year Energy Lifetime Energy Peak Demand Available Demand Response Solar-PV Generation Weighted Average Prog...

AI summary Table 12 outlines the 2030 DSM Preferred Plan Savings and Investment by Program Component, detailing energy efficiency (EE) programs, enabling strategies (ES), demand response (DR), and solar-PV programs. It includes investment amounts, savings, and other metrics for residential, business, and institutional programs, as well as equity and low-income impacts.

1 Table 13: 2031 DSM Preferred Plan Savings and Investment by Program Component p. pp. 119-120
1 Table 13: 2031 DSM Preferred Plan Savings and Investment by Program Component 2031 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Dema...

AI summary Table 13 outlines the 2031 DSM Preferred Plan Savings and Investment by Program Component, detailing investments, benefits, energy savings, and other metrics for various residential energy efficiency programs in Nova Scotia.

Energy Efficiency p. p. 122
Energy Efficiency The investment for energy efficiency is reflective of the costs E1 expects to incur to achieve the savings with the suite of programs included in the Preferred Plan. Investment levels in Residential sector programs repres...

AI summary E1's energy efficiency investment allocates 56% to residential programs (29% savings) and 44% to BNI programs (71% savings), reflecting a shift toward non-lighting measures post-2025 LED baseline. Savings decline from 2027-2031 due to Canada Greener Homes Grant closure and removal of Residential Behaviour. 2024 billing analyses further reduced residential savings.

6. ENERGY EFFICIENCY p. pp. 129-131
6. ENERGY EFFICIENCY DSM energy efficiency refers to delivering the same or improved level of service using less energy, resulting in measurable reductions in energy consumption while maintaining or improving performance. Natural Resources...

AI summary Energy efficiency programs, led by E1, focus on reducing energy consumption through initiatives like residential LED baselines and Mi'kmaw New Home Construction. The 2027–2031 DSM Plan includes enhanced incentives, expanded rebate categories, and program updates to address rising costs and evolving market needs.

1 Table 16: Residential Efficient Product Rebates - Overview, Objectives, Opportunity p. pp. 132-133
1 Table 16: Residential Efficient Product Rebates - Overview, Objectives, Opportunity Residential Efficient Product Rebates Overview • Provides customers access to financial incentives for various products through retailers and heating sys...

AI summary Table 16 outlines the Residential Efficient Product Rebates program, which provides financial incentives for energy-efficient products through retailers and installers. The program aims to increase accessibility, awareness, and adoption of energy-efficient technologies. Barriers include affordability, lack of awareness, and limited retailer participation. The program became part of E1's portfolio in 2010 and included Appliance Retirement until 2025.

1 Table 17: 2027–2031 Instant Savings Program Component p. p. 134
1 Table 17: 2027–2031 Instant Savings Program Component Instant Savings Program Component History • LEDs in 2011 • • 2009–2012 – first pilot launched (Efficient Lighting Products) followed by Power Down (2010), Plug into Savings (2011) and...

AI summary The text outlines the history of the Instant Savings Program in Nova Scotia, starting with pilot initiatives in 2009–2012 focused on lighting products like compact fluorescent lamps (CFLs), and evolving into a full-scale program by 2012. From 2014–2018, the program expanded to offer year-round rebates on a variety of energy-efficient products.

7 6.2 EXISTING RESIDENTIAL PROGRAM p. pp. 135-136
7 6.2 EXISTING RESIDENTIAL PROGRAM

AI summary The section titled 'Existing Residential Program' is part of a regulatory proceeding in Nova Scotia, likely discussing energy efficiency or demand-side management initiatives. No detailed content is provided in the given text.

8 6.2.1 OVERVIEW, OBJECTIVES, OPPORTUNITY p. p. 136
8 6.2.1 OVERVIEW, OBJECTIVES, OPPORTUNITY 9 [Table 19](#page-136-1) provides a description of the Existing Residential program for 2027–2031. 10

AI summary The document references Table 19, which outlines the Existing Residential program for 2027–2031. The section provides an overview of objectives and opportunities related to demand-side management initiatives in Nova Scotia.

11 Table 19: Existing Residential - Overview, Objectives, Opportunity p. p. 136
11 Table 19: Existing Residential - Overview, Objectives, Opportunity Existing Residential • Resources: lack of time and human resources for project management, contractor management, and upgrade implementation. Property owners/housing man...

AI summary The table highlights challenges in implementing energy efficiency programs for residential properties in Nova Scotia, including lack of time and resources, trust issues with free services, split incentives between landlords and renters, inconvenience concerns, and industry capacity challenges. EfficiencyOne has managed these programs since 2010.

Section 286 p. p. 136
- 3 Existing Residential leverages a variety of design and delivery approaches to help customers implement - 4 energy efficiency improvements in their homes. These strategies include: - 5 project management support; - 6 turn-key direct ins...

AI summary The Existing Residential program uses various strategies such as project management support, direct installation, and whole building energy modelling to help customers implement energy efficiency improvements. Tables 20 to 25 summarize the five-year investment and savings for each program component.

1 Table 20: 2027–2031 Affordable Multifamily Housing p. p. 138
1 Table 20: 2027–2031 Affordable Multifamily Housing Affordable Multifamily Housing 2031 Total 8.6 1.5 1.1 475 2027–2031 Total 43.7 8.3 6.0 2,675 Overview • Provides a fully project-managed, whole-home retrofit service at no cost to income...

AI summary Table 20 outlines the 2027–2031 Affordable Multifamily Housing initiative, providing a fully project-managed, whole-home retrofit service at no cost to income-qualified Nova Scotians, marketed as HomeWarming.

Section 317 p. p. 139
• Marketing and Quality Assurance activities for all five Existing Residential program components are detailed in [Table 25,](#page-145-0) below. 1

AI summary The document references marketing and quality assurance activities for five existing residential program components, as detailed in Table 25.

1 Table 24: 2027–2031 Mi'kmaw Home Energy Efficiency Project Program Component p. p. 144
1 Table 24: 2027–2031 Mi'kmaw Home Energy Efficiency Project Program Component Mi'kmaw Home Energy Efficiency Project Overview • communities in Nova Scotia. A whole-home retrofit service provided at no-cost to all homes in Mi'kmaw

AI summary This table outlines the Mi'kmaw Home Energy Efficiency Project, a whole-home retrofit service provided at no-cost to all homes in Mi'kmaw communities in Nova Scotia.

1 Table 27: 2027–2031 Existing Residential Low-Income and Equity Performance Indicators p. pp. 145-146
1 Table 27: 2027–2031 Existing Residential Low-Income and Equity Performance Indicators Year Investment ($ million) First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Participation (homes) Participation...

AI summary Table 27 outlines projected residential low-income and equity performance indicators from 2027–2031, detailing investments, energy savings, and participation metrics across programs like Affordable Single-family Homes and Mi'kmaw Home Energy Efficiency Projects. Total participation spans 2,735 homes, 73,904 products, and 595 projects, with energy savings declining slightly over time.

5 6.2.4 PROGRAM ALTERNATIVES p. p. 146
5 6.2.4 PROGRAM ALTERNATIVES - 6 The Existing Residential program shows no difference in the Alternate Scenario when compared to the - 7 Preferred Plan. Therefore, there is no variance between the Preferred Plan and Alternate Scenario in t...

AI summary The Existing Residential program's Alternate Scenario and Preferred Plan show no variance, as Table 26 presents identical results for both scenarios.

11 6.3.1 OVERVIEW, OBJECTIVES, OPPORTUNITY p. p. 146
11 6.3.1 OVERVIEW, OBJECTIVES, OPPORTUNITY 12 [Table 28](#page-146-2) provides a description of the New Residential program.

AI summary The section outlines the New Residential program, referencing Table 28 for details. It focuses on overview, objectives, and opportunities within the regulatory proceeding, though specific arguments or data are not elaborated in the provided text.

14 Table 28: New Residential - Overview, Objectives, Opportunity p. p. 146
14 Table 28: New Residential - Overview, Objectives, Opportunity New Residential Overview • Delivered in partnership with Mi'kmaw communities, the program offers subsidized energy efficiency assessments, home design support, and post-const...

AI summary The New Residential program, delivered in partnership with Mi'kmaw communities, offers subsidized energy efficiency assessments, home design support, and post-construction rebates to encourage construction of new homes operating at close to net zero energy performance levels.

Section 376 p. p. 146
- 3 [Table](#page-148-0) 29 summarizes the five-year investment and savings for the Mi'kmaw New Home Construction - 4 program component, including design and implementation strategy details.

AI summary The text references a table summarizing the five-year investment and savings for the Mi'kmaw New Home Construction program component, including design and implementation strategy details.

1 Table 29: 2027–2031 Summary of the Mi'kmaw New Home Construction Program Component p. p. 148
1 Table 29: 2027–2031 Summary of the Mi'kmaw New Home Construction Program Component Mi'kmaw New Home Construction Overview • • Delivered in partnership with Mi'kmaw communities. Offers home design support and post-construction rebates to...

AI summary The Mi'kmaw New Home Construction Program, delivered in partnership with Mi'kmaw communities, provides home design support and post-construction rebates to offset incremental costs of building homes that operate at close to net zero energy performance levels. The program promotes high-performing building envelopes, high-efficiency heating systems, and solar-PV systems.

DATE FILED: March 31, 2026 Page 63 of 112 p. p. 150
DATE FILED: March 31, 2026 Page 63 of 112 Business Energy Rebates • lighting (fixtures, lamps, and controls – fixtures will be accepted until June 30, 2026 and lamps will be accepted until December 31, 2028 to align with BNI lighting basel...

AI summary The document outlines enhancements to the Business Energy Rebates program, including the expansion of measure categories offered in Instant Rebates for commercial kitchens, laundry, and smart thermostats, with specific timelines for lighting fixture and lamp acceptance.

2 p. p. 153
2 Custom Incentives • Consists of two program components: Custom and Strategic Energy Management. Objectives • influence electrical energy efficiency and system-peak demand reduction projects; • build awareness around cost-effective energy...

AI summary The Custom Incentives program includes Custom and Strategic Energy Management components. Its objectives are to influence energy efficiency, reduce peak demand, and promote energy modeling. Barriers include upfront costs, payback periods, internal capacity constraints, and lack of industry awareness. The program began in 2008 and expanded in 2010 and 2012.

8 6.6.1 OVERVIEW, OBJECTIVES, OPPORTUNITY p. p. 159
8 6.6.1 OVERVIEW, OBJECTIVES, OPPORTUNITY 9 [Table 40](#page-159-1) provides a description of the Direct Installation program for 2027–2031. 10

AI summary The text references Table 40, which outlines the Direct Installation program for the period 2027–2031. The program's description is provided in the table, though specific details are not included in the excerpt.

15 Table 44: Demand Response - Overview, Objectives, Opportunity p. p. 166
15 Table 44: Demand Response - Overview, Objectives, Opportunity Demand Response • The program provides financial incentives to customers who reduce their load during peak times when there is value to the utility to shift load. Overview •...

AI summary The Demand Response program offers financial incentives to residential and BNI customers who reduce their load during peak times. It aims to diversify program offerings, increase customer awareness, and explore eligibility for interruptible customers in future plans. Barriers include lack of awareness, resources, and inconvenience for participants.

1 Table 49: Overview, Objectives, Opportunity p. pp. 171-172
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.

13 p. pp. 186-187
13 DSM Resource Performance Indicators Incidental annual and cumulative energy savings (GWh) from E1's non-targeted programs applicable to low-income and equity customers (reporting also includes incidental low-income and equity participat...

AI summary The section provides an overview of performance indicators for various DSM resources, including energy savings, demand response capacity, solar-PV installations, ratepayer benefits, program spending, customer satisfaction, and program administrator cost test results.

Table 1: Residential Efficient Product Rebates p. p. 201
Table 1: Residential Efficient Product Rebates 2027-2031 Residential Efficient Product Rebates Rate Class Year First-Year Energy Savings Lifetime Energy Savings Peak Demand Savings Expenditures ($ million) (GWh) (GWh) (MW) 2027 11.0 106.3...

AI summary This table outlines projected energy savings and expenditures for the 2027-2031 Residential Efficient Product Rebates program across various rate classes. It includes first-year and lifetime energy savings, peak demand savings, and associated expenditures in millions of dollars.

Table 2: Existing Residential p. p. 201
Table 2: Existing Residential 2027-2031 Existing Residential Rate Class Year First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Expenditures ($ million) 2027 11.3 136.9 3.1 21.0 2028 12.0 149.9 3.6 21.4...

AI summary Table 2 provides projections of energy savings and expenditures for residential and other rate classes in Nova Scotia from 2027 to 2031. It outlines first-year and lifetime energy savings in gigawatt-hours, peak demand savings in megawatts, and expenditures in millions of dollars for various categories.

Table 3: New Residential p. p. 201
Table 3: New Residential 2027-2031 New Residential Rate Class Year First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Expenditures ($ million) 2027 0.0 0.0 0.0 0.2 2028 0.3 8.1 0.1 1.2 Residential/Charit...

AI summary The table presents energy savings and expenditures for residential and commercial rate classes from 2027 to 2031. It shows first-year and lifetime energy savings in GWh, peak demand savings in MW, and expenditures in millions of dollars. The data highlights energy savings for residential/charitable classes and minimal savings for other rate classes.

9 10 p. p. 326
9 10 Table 3: 2027–2031 Alternate Scenario 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) Av...

AI summary The table provides a detailed overview of energy efficiency (EE) and demand response (DR) programs for the 2027–2031 period, including investment, lifetime benefits, energy savings, and program administrator cost test (PAC) data. It highlights the contribution of various programs, such as residential and business EE initiatives, enabling strategies, and solar-PV programs, to overall energy savings and investment.

4 Table 4: 2027 Alternate Scenario Savings and Investment by Program Component p. pp. 326-327
4 Table 4: 2027 Alternate Scenario Savings and Investment by Program Component 2027 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Deman...

AI summary Table 4 outlines the 2027 alternate scenario savings and investment by program component, focusing on residential energy efficiency programs. It provides data on investment, lifetime benefits, energy savings, and other metrics for various initiatives, including efficient product rebates, home energy assessments, and the Mi'kmaw Home Energy Efficiency Project.

1 Table 5: 2028 Alternate Scenario Savings and Investment by Program Component p. pp. 327-328
1 Table 5: 2028 Alternate Scenario Savings and Investment by Program Component 2028 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Deman...

AI summary Table 5 outlines the 2028 Alternate Scenario Savings and Investment by Program Component, highlighting energy efficiency (EE) programs, enabling strategies (ES), demand response (DR), and solar-PV programs. It provides data on investment, lifetime benefits, energy savings, peak demand savings, and other metrics for residential and business, non-profit, and institutional (BNI) programs, as well as overall portfolio totals.

1 Table 6: 2029 Alternate Scenario Savings and Investment by Program Component p. p. 329
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 Table 7: 2030 Alternate Scenario Savings and Investment by Program Component p. pp. 329-330
1 Table 7: 2030 Alternate Scenario Savings and Investment by Program Component 2030 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Deman...

AI summary Table 7 outlines the projected investment, benefits, and savings across various energy efficiency (EE), enabling strategies (ES), demand response (DR), and solar-PV programs for 2030. The data highlights the financial and energy-saving impacts of these initiatives, including residential and business programs, and emphasizes the overall savings and investment required for the DSM portfolio.

Section 792 p. p. 330
Currency is expressed in nominal dollars. For the five-year total row, currency is a straight sum of 5 years of nominal values. Lifetime benefits for energy efficiency, demand response and solar-PV are expressed as the net present value of...

AI summary The text discusses the calculation of lifetime benefits for energy efficiency, demand response, and solar-PV programs, using net present value of avoided costs. It also highlights the consideration of low-income and equity impacts, including participation from dedicated and non-targeted programs.

Table 8: 2031 Alternate Scenario Savings and Investment by Program Component p. pp. 330-331
Table 8: 2031 Alternate Scenario Savings and Investment by Program Component 2031 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Available Demand...

AI summary Table 8 presents the 2031 alternate scenario savings and investment by program component, including energy efficiency (EE), enabling strategies (ES), demand response (DR), and solar-PV programs. It outlines investments, lifetime benefits, energy savings, and other metrics for residential, business, and institutional programs, as well as the Mi'kmaw community initiatives.

5 Schedule A p. p. 393
5 Schedule A 6 Demand-Side Management Activities 7 8 The figure below identifies the scope of savings (5 year cumulative energy savings, 9 cumulative peak demand savings, cumulative energy savings from Low Income & Equity (includes Afforda...

AI summary Schedule A outlines the scope of demand-side management (DSM) activities over a five-year term, including energy and peak demand savings, low-income and equity programs, demand response capacity, and solar-PV generation.

E-22025 DSM Annual Progress Report 19 passages
2. 2025 PLAN AS APPROVED TARGETS & PORTFOLIO RESULTS p. pp. 4-6
2. 2025 PLAN AS APPROVED TARGETS & PORTFOLIO RESULTS 2025 Plan targets are 149.5 GWh of incremental annual net energy savings, 26.3 MW of annual net peak demand savings, 5.3 GWh of energy savings applicable to Affordable Single-family Home...

AI summary The 2025 DSM Plan achieved 87% of its energy savings target and 90% of its peak demand savings target, but fell short of the available capacity target. Residential and BNI programs scaled back participation in 2025, which contributed to lower-than-expected savings, although total spending remained within the approved investment level of $173 million.

Table 1: 2025 Results to 2025 Plan as Approved and 2025 Year-End Forecast p. p. 6
Table 1: 2025 Results to 2025 Plan as Approved and 2025 Year-End Forecast 20: 25 Plan as Appro ved 2 025 Year-End Fo recast 2025 Results Results to Forecas t Resul its to Plan as App oved Green Heat 3.6 64.4 2.7 2.2 1.0 18.1 1.3 0.7 0.7 13...

AI summary Table 1 compares the 2025 results of various energy efficiency programs with the 2025 Plan as Approved and the 2025 Year-End Forecast. It shows performance metrics for initiatives such as Green Heat, Home Energy Assessment, and the Mi'kmaw Home Energy Efficient Project, highlighting variances between planned, forecasted, and actual outcomes.

2.2 2025 Participation Result[s](#page-11-0) p. pp. 9-11
2.2 2025 Participation Result[s](#page-11-0) - [Table 2](#page-11-0) presents E1's 2025 participation results. The table provides a comparison of 2025 - participation results to those modelled in the 2025 Plan and the four-year Plan period...

AI summary E1's 2025 participation results show mixed outcomes compared to the 2025 Plan. Higher participation occurred in Instant Savings, Affordable Homes programs, and Business Energy Rebates due to retailer sales, faster project completion, and rebate promotions. Lower participation was observed in Efficient Product Installation (phasing out lighting measures), Green Heat (ended in 2025), and Demand Response (unpursued pathways). The Custom program exceeded energy savings despite lower participation.

1 Table 2: 2025 Participation p. p. 11
1 Table 2: 2025 Participation Participation Results Unit 2023-2026 Plan as Approved 2025 Plan as Approved 2025 Results % of 2025 Results to 2025 Plan as Approved % of 2025 Results to 2023-2026 Plan as Approved Participation Unit Efficient...

AI summary Table 2 outlines the 2025 participation results for various energy efficiency programs under the 2023-2026 plan, showing performance metrics such as participation rates and units rebated. Many programs exceeded their 2025 targets, with some programs achieving over 100% of their planned participation.

3.1 2026 Plan as Approved p. pp. 18-19
3.1 2026 Plan as Approved Assessment in 2023, 2024, and to a lesser extent, in 2025. As detailed in E1's 2026 DSM Extension filing, 2026 Plan targets for energy savings (116.0 GWh) and demand savings (18.9 MW) are consistent with E1's expe...

AI summary The 2026 DSM Plan targets 116.0 GWh in energy savings and 18.9 MW in demand savings, reflecting lower expected savings due to market changes and billing analysis updates. The plan includes adjustments from the closure of the Canada Greener Homes Grant and slower program implementation. The investment aligns with the legislated level of $63.75 million.

4.2 Residential Sector Results p. pp. 22-24
4.2 Residential Sector Results - The Residential sector consists of the following programs: - Efficient Product Rebates; and - Existing Residential. (Note: The New Home Construction program component under the New Residential program, ende...

AI summary The Residential sector in Nova Scotia achieved 46.8 GWh energy savings and 10.1 MW peak demand savings in 2025, below the 71.6 GWh and 11.3 MW targets. Programs include Efficient Product Rebates and Existing Residential. E1 provided variance explanations for programs missing targets by 25%.

4 Table 6: 2025 Residential Efficient Product Rebates p. pp. 24-25
4 Table 6: 2025 Residential Efficient Product Rebates RESIDENTIAL EFFICIENT PRODUCT REBATES (2025) Residential Efficient Product Rebates Energy Savings (GWh) Demand Savings (MW) Expenditure ($ million) 2025 Results 11.5 0.5 3.3 2025 Plan 1...

AI summary The 2025 Residential Efficient Product Rebates exceeded energy savings targets due to strong performance in the Instant Savings program, particularly in Q1. However, demand savings were lower than expected, influenced by higher uptake of low-demand-saving products and the closure of the Appliance Retirement program.

RESIDENTIAL EFFICIENT PRODUCT REBATES (2025) p. p. 25
RESIDENTIAL EFFICIENT PRODUCT REBATES (2025) • From 2012 to the end of the program, Appliance Retirement retired or replaced a total of 77,981 old and inefficient appliances from homes and schools.[8](#page-26-1)

AI summary The Appliance Retirement program, from 2012 to its conclusion, retired or replaced 77,981 inefficient appliances in homes and schools, contributing to energy efficiency efforts in Nova Scotia. The data is cited in a footnote referencing page 26.

2 4.2.2 Existing Residential p. pp. 25-26
2 4.2.2 Existing Residential - 3 The Existing Residential program consists of the following program components: - 4 Affordable Multifamily Housing; - 5 Affordable Single-family Homes; - 6 Efficient Product Installation; - 7 Green Heat; - 8...

AI summary The Existing Residential program includes components such as Affordable Multifamily Housing, Efficient Product Installation, and Green Heat. It references the 2025 DSM Programs Evaluation Reports, Final DSM Reports, and the Residential Efficient Product Rebates Program.

Program Components p. p. 27
Program Components - The Affordable Multifamily Housing and Non-Profit Organizations program component assists nonprofit organizations (e.g., shelters, transition houses, community hubs etc.) and affordable housing owners with financial in...

AI summary Nova Scotia's energy programs include initiatives like Affordable Multifamily Housing, HomeWarming, and Green Heat, targeting energy efficiency upgrades for homes and communities. Programs offer financial incentives, free installations, and behavior feedback. Key partners include E1 and Mi'kmaw communities, with end dates for some components. The NSUARB and NSEB are referenced in regulatory contexts.

Mi'kmaw Home Energy Efficiency Project Highlights p. p. 29
Mi'kmaw Home Energy Efficiency Project Highlights - The Mi'kmaw Home Energy Efficiency Project program component achieved its 2025 Plan as Approved demand savings target and participation estimates, while energy savings results were lower...

AI summary The Mi'kmaw Home Energy Efficiency Project met its 2025 demand savings target but fell short of energy savings expectations due to modelling overestimation. The program, now in its eighth cohort since 2018, plans to end in 2027. E1 released a 2024 Impact Report detailing results and is assessing unparticipated homes for future planning.

CUSTOM INCENTIVES (2025) p. p. 33
CUSTOM INCENTIVES (2025) The Retrofit and Pay-for-Performance services also had some partial savings claims. [10](#page-34-0) The Retrofit and New Construction services accounted for most of the energy and demand savings achieved. - o The...

AI summary In 2025, Nova Scotia's Retrofit and New Construction services achieved significant energy savings, while Pay-for-Performance faced delays due to a cybersecurity incident at NS Power. The New Construction team is preparing for the 2020 NECB Tier 1 code adoption, with impacts expected by 2026-2027. Partial savings claims were reported across multiple programs.

1 4.3.3 Direct Installation p. pp. 34-35
1 4.3.3 Direct Installation 2 The Direct Installation program is marketed as Small Business Energy Solutions. 3

AI summary The Direct Installation program, rebranded as Small Business Energy Solutions, is discussed in the context of Nova Scotia regulatory proceedings. The section outlines program administration and regulatory oversight by relevant energy boards.

6 p. p. 40
6 202 5 Plan as Ap proved 2025 Forec ast (Year-En d) 2025 Results Program Components First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Investment ($ million) Participation (#) First-Year Energy Savings...

AI summary The table presents projected and actual energy savings and investments for various energy efficiency programs in Nova Scotia, including Affordable Multi-family Housing, Affordable Single-family Homes, and the Mi'kmaw Home Energy Efficiency Project. The data includes metrics such as energy savings, peak demand savings, investment amounts, and participation numbers.

1 Table 13: 2025 Results Applicable to Low-Income and Underserved Communities, Non-Targeted Programs p. p. 42
1 Table 13: 2025 Results Applicable to Low-Income and Underserved Communities, Non-Targeted Programs 2025 Plan Performance Indicators 2025 Forecast (Year-End) 2025 Results First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak...

AI summary Table 13 presents 2025 results for low-income and underserved communities under non-targeted programs, including energy savings, participation numbers, and expenditures. The table covers various programs such as efficient product rebates, appliance retirement, and residential behavior initiatives, with data on first-year and lifetime energy savings, peak demand reductions, and investment figures.

Section 132 p. p. 55
5 Residential Efficient Product Rebates includes the Appliance Retirement and Instant Savings program components.

AI summary The document mentions the Residential Efficient Product Rebates program, which includes the Appliance Retirement and Instant Savings components.

Section 134 p. p. 55
13 Existing Residential includes the following program components: Affordable Multifamily Housing, Efficient Product Installation, Green Heat, Home 14 Energy Assessment, Affordable Single-family Homes, Mi'kmaw Home Energy Efficiency Projec...

AI summary The Existing Residential program includes components such as Affordable Multifamily Housing, Efficient Product Installation, and the Mi'kmaw Home Energy Efficiency Project. The Home Energy Assessment program primarily serves homes heated by electricity, while the Appliance Retirement program collects appliances from BNI customers and residential participants.

Section 140 p. p. 55
5 Direct Installation includes the Small Business Energy Solutions program component. - 7 [Table 7 p](#page-57-0)rovides a breakdown of available capacity, expenditures, and participation achieved, by - 8 rate class within the Demand Respo...

AI summary The text references a table that provides a breakdown of available capacity, expenditures, and participation achieved by rate class within the Demand Response program, and mentions that Direct Installation includes the Small Business Energy Solutions program component.

Table 1 Update on Implementation of 2022-2023 Evaluation Recommendations p. p. 60
Table 1 Update on Implementation of 2022-2023 Evaluation Recommendations Year Evaluation/ Verification Recommendation Text Source Status Comments Expected Period of Completion 2024 Evaluation Ensure that DAs/contractors provide a leave-beh...

AI summary The 2024-ASFH-R5 recommendation requires Delivery Agents (DAs) and contractors to provide leave-behind materials to participants for heat pump operation and maintenance. E1 has implemented this by providing informational sheets and stickers with contact details on heat pump remotes, and will continue improving participant education.

E-32025 DSM Evaluation Reports 104 passages
Table 1: 2025 Portfolio Evaluation Plan p. pp. 10-11
Table 1: 2025 Portfolio Evaluation Plan PY2025 Program Components Impact Process Market Residential DSM Program Components Appliance Retirement Condensed Instant Savings Condensed Affordable Multifamily Housing Condensed Affordable Single-...

AI summary Table 1 outlines the 2025 Portfolio Evaluation Plan, detailing the evaluation approach for various program components under residential and BNI DSM programs. Most programs are evaluated using a condensed approach, while some, like Residential Behaviour and Strategic Energy Management, require comprehensive evaluations. The table also notes that certain programs have ended or are subject to specific evaluation conditions.

Table 3: 2025 Interviews Completed p. pp. 15-16
Table 3: 2025 Interviews Completed Program Component 1 Program Manager/ E1 Staff/Business Development Manager Service Providers/ Distributors/Retailers/Builders Participants Program Manager in Other Jurisdictions Residential Appliance Reti...

AI summary Table 3 outlines the number of interviews conducted in 2025 for various program components, including Residential, Business Energy Rebates, and Demand Response. The data indicates the involvement of program managers, service providers, participants, and managers from other jurisdictions.

Table 4: 2025 Site Visits and Project Reviews with Follow-up Site Visits or Interviews p. pp. 16-17
Table 4: 2025 Site Visits and Project Reviews with Follow-up Site Visits or Interviews Program Component Project Reviews Followed by Site Visits Project Reviews Followed by Phone Interviews Project Reviews Without Site Visits or Phone Inte...

AI summary Table 4 outlines the 2025 site visits and project reviews conducted under various programs, including Affordable Multifamily Housing, Business Energy Rebates, Strategic Energy Management, and Demand Response, with specific numbers of reviews followed by site visits, phone interviews, or no follow-up.

Table 5: Comparison of 2025 Evaluated and Tracked Electrical Energy Savings at the Generator a p. pp. 23-24
Table 5: Comparison of 2025 Evaluated and Tracked Electrical Energy Savings at the Generator a Program Component Tracked Results Evaluated Results DSM Program Annual Gross Savings (GWh) Annual Net Savings (GWh) Annual Gross Savings (GWh) N...

AI summary Table 5 compares the evaluated and tracked electrical energy savings from various programs in 2025. It includes data on residential and BNI programs, showing gross and net savings, net-to-gross ratios, lifetime savings, and net realization rates for each component.

Table 6: Comparison of 2025 Evaluated and Tracked Peak Demand Savings at the Generator a p. pp. 24-25
Table 6: Comparison of 2025 Evaluated and Tracked Peak Demand Savings at the Generator a Program Component Tracked Results Evaluated Results Difference DSM Program Annual Gross Savings (MW) Annual Net Savings (MW) Available Capacity (MW) A...

AI summary Table 6 compares the evaluated and tracked peak demand savings at the generator for various programs in 2025. It highlights differences in net savings and available capacity across residential, BNI, and demand response programs, with varying net realization rates.

4.1.1 Residential DSM Programs p. pp. 25-26
4.1.1 Residential DSM Programs

AI summary The section outlines residential demand-side management (DSM) programs, focusing on initiatives to improve energy efficiency and reduce consumption in residential sectors through various measures and incentives.

Residential Efficient Product Rebates p. p. 26
Residential Efficient Product Rebates In 2025, Residential Efficient Product Rebates achieved net electrical energy and peak demand savings of 11.545 GWh and 0.483 MW respectively at the generator. This program consists of two components,...

AI summary In 2025, Nova Scotia's Residential Efficient Product Rebates program achieved 11.545 GWh of electrical energy savings and 0.483 MW of peak demand savings. The program includes two components: Appliance Retirement (ARet) and Instant Savings, with results detailed for each.

Home Energy Assessment p. p. 26
Home Energy Assessment - › In 2025, HEA achieved 13.820 GWh in net electrical energy savings and 4.578 MW in net peak demand savings at the generator, thus exceeding by 61% planned net electrical energy savings of 8.580 GWh and falling sho...

AI summary In 2025, HEA exceeded electrical energy savings targets by 61% but missed peak demand savings by 6%. Participation dropped 42% from 2024 due to CGH Grant closure, with solar PV contributing 56% of savings (down from 74% in 2024). Realization rates reached 100% for both energy and peak demand savings.

Direct Installation p. p. 29
Direct Installation Direct Installation consists of one program component, namely Small Business Energy Solutions (SBES). In 2025, Direct Installation achieved 7.862 GWh in net electrical energy savings at the generator and 1.414 MW in net...

AI summary Direct Installation, comprising the Small Business Energy Solutions (SBES) program, achieved 7.862 GWh in net electrical energy savings and 1.414 MW in net peak demand savings at the generator in 2025. The results highlight the program's impact on energy efficiency and demand reduction.

Table 7: 2025 Free-ridership, Spillover, and NTGRs p. pp. 32-33
Table 7: 2025 Free-ridership, Spillover, and NTGRs Program Component and Measure Type Free-ridership Levels Spillover Levels NTGRs Residential Appliance Retirementa Refrigerators 43% 0% 0.57 Freezers 45% 0.55 Air Conditioners 47% 0.53 Smal...

AI summary Table 7 presents the 2025 free-ridership, spillover, and net-to-gross ratios (NTGRs) for various energy efficiency programs and measures in residential settings. It highlights the proportion of free-ridership and spillover for different appliance types and efficiency measures, along with their corresponding NTGRs.

Table 10: 2025 Planned Net Savings and Evaluated Results p. p. 37
Table 10: 2025 Planned Net Savings and Evaluated Results Planned Savings Evaluated Results Variance Program Component and DSM Program Net Electrical Energy Savings (GWh) Net Peak Demand Savings (MW) Available DR Capacity (MW) Net Electrica...

AI summary Table 10 outlines the 2025 planned net savings and evaluated results for various residential and BNI programs under Demand Side Management (DSM). The data highlights discrepancies between planned and actual savings and capacity, with some programs showing significant variances.

Table 11: Evaluated Net Electrical Energy Savings at the Generator, 2020-2025 p. pp. 38-39
Table 11: Evaluated Net Electrical Energy Savings at the Generator, 2020-2025 Electrical Energy Savings (GWh) Electrical Energy Savings (%) DSM Program Program Component 2020 2021 2022 2023 2024 2025 2020 2021 2022 2023 2024 2025 Residenti...

AI summary This table presents evaluated net electrical energy savings by program and year from 2020 to 2025, highlighting contributions from residential and BNI (Business, Non-profit, and Institutional) programs. It includes energy savings from initiatives like appliance retirement, efficient product rebates, and home energy assessments, with percentages indicating the share of total savings.

Table 12: Evaluated Net Peak Demand Savings at the Generator, 2020-2025 p. pp. 39-40
Table 12: Evaluated Net Peak Demand Savings at the Generator, 2020-2025 DSM Peak Demand Savings (MW) Peak Demand Savings (%) Program Program Component 2020 2021 2022 2023 2024 2025 2020 2021 2022 2023 2024 2025 Residential Residential Appl...

AI summary Table 12 evaluates the net peak demand savings from various energy efficiency programs in Nova Scotia from 2020 to 2025, highlighting the contributions of residential, BNI, and overall portfolio programs in reducing peak demand in megawatts and percentages.

Preamble p. pp. 6-155
In 2025, the residential sector accounted for 36% of net electrical energy savings and the BNI sector accounted for 64% of net electrical energy savings. Compared to 2024 levels, the share of lighting in residential programs decreased from...

AI summary In 2025, the residential sector contributed 36% of net electrical energy savings, while the BNI sector contributed 64%. Lighting's share in residential programs decreased from 10% to 2%, while it increased in BNI programs from 24% to 31%. The Demand Reduction program, introduced in 2023, provided 6.795 MW of demand response capacity in 2025.

Table 14: 2025 Recommendations on Residential Program Components p. pp. 47-49
Table 14: 2025 Recommendations on Residential Program Components No. Recommendation ASFH/HEA/MHE EP – R1 Review how savings are distributed between DSM-funded and government-funded programs for whole home renovation program components (HEA...

AI summary The recommendation focuses on reviewing how savings are distributed between DSM-funded and government-funded programs for whole home renovation components, ensuring that savings calculation approaches are clearly defined and aligned, particularly for households with both electric and non-electric heating systems.

p. p. 61
Program Components Bibliographic References Nova Scotia Utility and Review Board, Matter M06555, 2014 Cost of Service Study Progress Update, Exhibit N-2.09, Appendix I1. Affordable Single-family Nova Scotia Power, Total System Emissions, h...

AI summary The text provides a list of program components and their corresponding bibliographic references, including regulatory matters and external reports related to energy efficiency and residential programs in Nova Scotia.

RESIDENTIAL EFFICIENT PRODUCT REBATES PROGRAM p. p. 74
RESIDENTIAL EFFICIENT PRODUCT REBATES PROGRAM Final Report 2025 DSM EVALUATION March 4, 2026

AI summary Final Report on the 2025 DSM Evaluation for the Residential Efficient Product Rebates Program, dated March 4, 2026. The document assesses the program's effectiveness in promoting energy-efficient product adoption and its alignment with broader demand-side management goals.

Table 1: Summary of 2025 Residential Efficient Product Rebates Program Evaluation p. p. 82
Table 1: Summary of 2025 Residential Efficient Product Rebates Program Evaluation Program Evaluation Type Component Impact Process Market Methodology Appliance Retirement Condensed › Tracking sheet audit › Calculations using evaluation res...

AI summary This table summarizes the evaluation of the 2025 Residential Efficient Product Rebates Program, focusing on the Appliance Retirement and Instant Savings components. It outlines the evaluation methodologies, including tracking sheet audits, NTGR calculations, and GHG emission reductions.

p. pp. 82-83
Table 2: Overall 2025 Residential Efficient Product Rebates Participation and Evaluated Savings Participation Level Gross Savings NTGR Net Savings Value Unit Value Unit Value Value Unit ARet Electrical Energy Savings 285 Appliances 0.205 G...

AI summary The Residential Efficient Product Rebates program exceeded its 2025 net electrical energy savings target by 6% but fell short of the peak demand savings target by 58%, primarily due to the Instant Savings component, which contributed the most to both energy and peak demand savings.

Table 12: List of 2025 Rebates by Product p. pp. 101-102
Table 12: List of 2025 Rebates by Product Products Offered During Campaigns Rebate Products Offered Year-Round Clothes Washers (qualifying models are on the ENERGY STAR Most Efficient list) $75 Bathroom and Utility Room Fans (no light) (qu...

AI summary Table 12 outlines the 2025 rebate amounts for various energy-efficient products offered by Efficiency Nova Scotia. It includes both year-round and time-limited rebates, with additional information on how Instant Savings is promoted through various media and consumer engagement events.

Table 13: Number of Rebated Products Rebated Through Instant Savings, 2024–2025 p. p. 103
Table 13: Number of Rebated Products Rebated Through Instant Savings, 2024–2025 Product Category 2024 2025 Variation ENERGY STAR Certified Non-A-type LED Lamps 78,539 1,651 -98% ENERGY STAR Certified LED Fixtures a 268,740 23,606 -91% Cont...

AI summary Table 13 shows a significant decline in the number of rebated products through the Instant Savings program from 2024 to 2025, with most categories experiencing a decrease of over 90%, except for Controls, which increased by 255%.

CONCLUSION p. pp. 123-124
CONCLUSION [Table](#page-124-1) 25 presents the participation levels, NTGRs, evaluated gross and net savings at the generator, annual GHG emission reductions, as well as EUL values for each Residential Efficient Product Rebates program com...

AI summary Table 25 summarizes participation levels, net-to-gross ratios (NTGRs), evaluated savings, GHG emission reductions, and effective useful life (EUL) values for Nova Scotia's 2025 Residential Efficient Product Rebates program components and overall program performance.

Participation Level Gross Savings NTGR Net Savings p. p. 124
Participation Level Gross Savings NTGR Net Savings Value Unit Value Unit Value Value Unit ARet Electrical Energy Savings 285 Appliances 0.205 GWh 0.56 0.115 GWh Lifetime Electrical Energy Savings 0.818 GWh 0.56 0.461 GWh Peak Demand Saving...

AI summary The Residential Efficient Product Rebates program exceeded its net electrical energy savings target by 6% in 2024 but fell short of its net peak demand savings target by 58%, primarily due to the Instant Savings component being the largest contributor to overall savings.

Table 2: Overall 2025 Existing Residential Participation and Evaluated Savings p. pp. 153-154
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.

ASFH Findings and Recommendations p. p. 155
ASFH Findings and Recommendations This subsection presents the key findings from the 2025 ASFH evaluation. The Evaluator has no specific recommendation for ASFH. 2025 ASFH-Finding: ASFH achieved 6.135 GWh in net electrical energy savings a...

AI summary The 2025 ASFH program exceeded its energy and peak demand savings targets by 114% and 183%, respectively, with 1,920 homes participating—a 59% increase from 2024. Energy savings were 1% higher than E1-tracked figures due to inclusion of 2024 unclaimed savings from non-modelled heat pump measures.

Table 4: Types of Evaluations Conducted for Each Program Component, 2025 p. p. 161
Table 4: Types of Evaluations Conducted for Each Program Component, 2025 2025 Program Program Component Process Market Impact Existing Residential AMH Condensed ASFH Condensed EPI Condensed Green Heat Condensed HEA Condensed MHEEP Condense...

AI summary Table 4 outlines the types of evaluations conducted for each program component in 2025, including program components like AMH, ASFH, EPI, Green Heat, HEA, and MHEEP, with a focus on impact assessments. The Residential Behaviour component received a comprehensive evaluation involving cumulative billing analysis using AMI data.

Table 11: Implementation Status of Past Recommendations for ASFH p. pp. 175-178
Table 11: Implementation Status of Past Recommendations for ASFH # Past Recommendations Status Comments 2024-ASFH-R1 To assess progress with participant wait times, E1 could track wait times as well as program delivery satisfaction levels...

AI summary This table tracks the implementation status of past recommendations for Affordable Single-family Homes (ASFH). Recommendation 2024-ASFH-R1 suggests tracking participant wait times and program delivery satisfaction levels through quarterly customer satisfaction surveys in 2025. E1 has implemented tracking dashboards and reviews with partners monthly to ensure timely delivery and reduce wait times.

Table 15: Evaluated 2025 ASFH Non-modelled Measure Gross Electrical Energy and Peak Demand Savings p. pp. 183-184
Table 15: Evaluated 2025 ASFH Non-modelled Measure Gross Electrical Energy and Peak Demand Savings Measure Category Non-modelled Heat Pumps Smart Thermostats Total Number of Units Installed 497 221 718 Electrical Energy Savings Unitary Ele...

AI summary Table 15 evaluates the gross electrical energy and peak demand savings from non-modelled measures in the 2025 Affordable Single-family Homes (ASFH) program. The table highlights savings from heat pumps and smart thermostats, with heat pumps contributing significantly to energy savings.

Table 16: Evaluated 2025 ASFH Gross Electrical Energy and Peak Demand Savings p. p. 184
Table 16: Evaluated 2025 ASFH Gross Electrical Energy and Peak Demand Savings Measure Category Modelled Measures 2025 Non modelled Heat Pumps Smart Thermostats EPI Measures Additional 2024 Non-modelled Heat Pumps Total Number of Participan...

AI summary Table 16 evaluates the 2025 gross electrical energy and peak demand savings from various energy efficiency measures, including heat pumps, smart thermostats, and EPI measures, for Affordable Single-family Homes. The table includes metrics such as number of participants, energy savings, line loss factors, and effective useful life.

Table 18: Comparison of 2025 ASFH Tracked and Evaluated Savings at the Generator p. p. 186
Table 18: Comparison of 2025 ASFH Tracked and Evaluated Savings at the Generator Gross Savings NTGR Net Savings Realization Rate Value Unit Value Value Unit Value Electrical Energy Savings Tracked Savings by E1 6.059 GWh 1.00 6.059 GWh 101...

AI summary Table 18 compares the tracked and evaluated savings for the 2025 Affordable Single-family Homes (ASFH) program, showing electrical energy and peak demand savings in gigawatt-hours (GWh) and megawatts (MW), respectively. The realization rate is 101% for electrical energy savings and 100% for peak demand savings, indicating that the program's savings are slightly overestimated in the electrical energy category.

9.1 EPI Description p. p. 188
9.1 EPI Description EPI provides participants with free-of-charge direct installations of energy efficient products. EPI has played a pivotal role in transforming the residential lighting market by making energy efficient products more aff...

AI summary EPI provides free direct installations of energy-efficient products, focusing on electrician-installed measures to support residential demand response. The program has shifted its focus from lighting to other energy-efficient products since June 2025. E1 contracts service providers to deliver EPI across the province, and the program is available to both homeowners and renters.

Table 20: Implementation Status of Past Recommendations for EPI p. p. 189
Table 20: Implementation Status of Past Recommendations for EPI # Past Recommendations for EPI Status Comments 2024- EPI-R1 Recommendation #1: To improve the smart thermostat installation rate, explore and implement strategies to reduce th...

AI summary This table outlines the implementation status of past recommendations for the Efficient Product Installation (EPI) program. Recommendation #1 focused on improving smart thermostat installation rates by reducing participant dissatisfaction and disconnections through follow-up calls, installer education, and additional educational materials. E1 implemented several measures, including automated emails, refresher training, mandatory installations, and communication protocols. The Evaluator acknowledges the improvements made.

Table 22: Evaluated 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure - Single-family Homes p. pp. 194-195
Table 22: Evaluated 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure - Single-family Homes LED Lamps Product Category 9 W Replacing 29 W 40 W 43 W 60 W 72 W 100 W 150 W Number of Units Number of Units 238 244 7,833 498...

AI summary Table 22 evaluates the 2025 EPI gross electrical energy and peak demand savings per measure for single-family homes, focusing on LED lamps replacing various wattage bulbs. The table provides data on installation rates, energy savings, and adjustment ratios across different wattage categories.

Evaluated 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure - Single-family Homes (Continued) p. pp. 0-199
Evaluated 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure - Single-family Homes (Continued) Consumer Electronics and Accessory Lighting Product Category Solar Security Fixtures Indoor Motion Sensors Outdoor Motion Sens...

AI summary The document evaluates the 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure for single-family homes, providing data on various product categories including solar security fixtures, motion sensors, and dimmer switches, with details on installation rates, energy savings, and peak demand reductions.

Table 23: Evaluated 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure – Apartments p. p. 2
Table 23: Evaluated 2025 EPI Gross Electrical Energy and Peak Demand Savings per Measure – Apartments LED Lamps Product Category 9 W Replacing 29 W 40 W 43 W 60 W 72 W 100 W 150 W Number of Units Number of Units - - 455 - 1,193 - 4 - Insta...

AI summary Table 23 evaluates the 2025 EPI gross electrical energy and peak demand savings per measure in apartments, focusing on LED lamps. It provides data on unitary energy and peak demand savings, adjustment ratios, and line loss factors for various wattage replacements.

11.3.2 Participant Spillover p. p. 14
11.3.2 Participant Spillover For EPI, participant spillover occurs when participants purchase and install additional energy efficient products due to the influence of having participated in the program component without receiving any addit...

AI summary The text discusses participant spillover in the context of the Efficient Product Installation (EPI) program, where participants may install additional energy-efficient products due to program participation. Spillover is assumed to be nil for low-income participants, while non-low-income participants were surveyed in 2024 to assess spillover levels, with results used in the 2025 evaluation.

Table 27: 2025 EPI Participant Spillover Levels p. pp. 14-15
Table 27: 2025 EPI Participant Spillover Levels Average Participant Spillover Level Margin of Error Low-income Participants All Products 0% N/A Non-low-income Participants All Products 8% 3.8% 11.3.3 Net-to-gross Ratio Calculation

AI summary Table 27 outlines the 2025 EPI Participant Spillover Levels, showing that low-income participants have 0% average spillover with no margin of error, while non-low-income participants have an 8% average spillover with a 3.8% margin of error. Section 11.3.3 discusses the Net-to-gross Ratio Calculation.

Table 28: 2025 EPI Net-to-gross Ratios by Product Category p. pp. 15-16
Table 28: 2025 EPI Net-to-gross Ratios by Product Category Products Participant Type NTGR Proportion of Product Category Gross Savings by Participant Type Overall NTGR Values LED Lamps and Lighting Non-low-income Participants 0.92 37% Rela...

AI summary Table 28 presents the 2025 EPI Net-to-gross Ratios (NTGR) by product category, showing the proportion of gross savings attributed to low-income and non-low-income participants. The data highlights varying NTGR values for different product categories, including LED lamps, learning thermostats, DHW products, air sealing products, and humidity sensors.

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. p. pp. 16-17
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 30: Comparison of 2025 EPI Tracked and Evaluated Savings at the Generator p. p. 23
Table 30: Comparison of 2025 EPI Tracked and Evaluated Savings at the Generator Gross Savings NTGR Net Savings Realization Value Unit Value Value Unit Rate Value 7.405 GWh 0.99 7.338 GWh 7.405 GWh 0.99 7.300 GWh 99% 0.518 MW 0.98 0.509 MW...

AI summary Table 30 compares the 2025 EPI tracked and evaluated savings at the generator, showing gross savings, net savings, and realization rates for different product categories. The table highlights the net-to-gross ratios (NTGR) for each category, with values ranging from 98% to 99%.

13.1 Green Heat Description p. pp. 23-25
13.1 Green Heat Description The Green Heat program component of the Existing Residential program is designed to promote the installation of energy efficient heating systems and systems that use renewable fuel sources in Nova Scotia homes....

AI summary The Green Heat program provides financial incentives for installing energy-efficient heating systems and renewable fuel systems in Nova Scotia homes. Homeowners must purchase eligible equipment, have it installed by certified professionals, and submit documentation within 180 days to receive incentives.

Table 31: 2025 Green Heat Incentives p. pp. 25-26
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 32: Implementation Status of Past Recommendations for Green Heat p. pp. 26-27
Table 32: Implementation Status of Past Recommendations for Green Heat # Past Recommendations Status Comments 2024-GH-R1 In light of their very low savings and considering their low uptake, consider removing wood fireplace inserts and pell...

AI summary This table outlines the implementation status of past recommendations for the Green Heat program. It shows that wood and pellet fireplace inserts were removed from the program effective May 1, 2025. Marketing materials are distributed to contractors and participants. A recommendation to increase incentives for low- and moderate-income households was deferred due to reduced energy savings estimates.

16 Green Heat Key Findings and Recommendations p. p. 39
16 Green Heat Key Findings and Recommendations As previously mentioned, the main objectives of the 2025 Green Heat evaluation were as follows: › Calculate gross and net results, namely first-year and lifetime electrical energy savings, pea...

AI summary The 2025 Green Heat program missed its energy savings targets, achieving only 21% and 44% of electrical energy and peak demand goals. Participation declined by 33% due to competition from the closed CGH Grant and reduced rebates. Gross and net savings matched E1's reported figures, indicating accurate tracking.

17.1 HEA Description p. pp. 39-41
17.1 HEA Description HEA is a home energy evaluation-based program component that encourages homeowners to improve the energy efficiency and comfort of their homes by providing them with related information and financial incentives in the...

AI summary The Home Energy Assessment (HEA) program in Nova Scotia encourages energy efficiency improvements through evaluations and rebates, administered with Natural Resources Canada (NRCan). It includes pre- and post-retrofit assessments, rebates for eligible upgrades, and collaboration with EfficiencyOne (E1). The Canada Greener Homes (CGH) Grant, co-delivered via HEA until 2025, provided up to $5,000 for retrofits but closed to new applications in 2024. The program aimed for 8.580 GWh in electrical savings and 4.325 MW in peak demand reduction by 2025.

19.3.5 Savings Deductions for Participation in Other Residential Programs p. pp. 55-56
19.3.5 Savings Deductions for Participation in Other Residential Programs Several measures are offered under both HEA and Green Heat. In addition, Efficient Product Installation (EPI) introduced air sealing measures in 2019, and Solar Home...

AI summary The text discusses savings deductions for customers participating in multiple residential energy programs, ensuring that energy savings are not double-counted. E1 is responsible for identifying overlaps and calculating deductions, particularly for HEA, Green Heat, and EPI programs, and for SolarHomes.

Table 52: Evaluated 2025 HEA Net Electrical Energy and Peak Demand Savings p. pp. 56-58
Table 52: Evaluated 2025 HEA Net Electrical Energy and Peak Demand Savings Energy Efficiency Measures Solar PV Measures Total Electrical Energy Savings Gross Electrical Energy Savings – at the Meter (GWh) 5.941 7.550 13.491 Unconverted D A...

AI summary Table 52 presents evaluated 2025 HEA (Home Energy Assessment) net electrical energy and peak demand savings. The data shows that HEA surpassed its electrical energy and peak demand savings targets by 61% and 6%, respectively, as outlined in Figure 23.

25.1 Description p. p. 70
25.1 Description Residential Behaviour, publicly branded as Efficiency Insights, is designed to help Nova Scotia Power (NS Power) residential customers reduce their electricity consumption. The component provides a subset of customers with...

AI summary Residential Behaviour (Efficiency Insights) by Nova Scotia Power helps customers reduce energy use via personalized Home Energy Reports and advice. Funded under E1's 2023-2025 DSM Plan, the program was paused in 2025 due to a cybersecurity incident disrupting AMI data access.

25.2 Follow-up on Past Evaluation Report Recommendations p. p. 70
25.2 Follow-up on Past Evaluation Report Recommendations There are no past recommendations since this is the first evaluation of Residential Behaviour.

AI summary This section indicates that there are no past recommendations to follow up on, as this is the first evaluation of the Residential Behaviour program.

Analysis of Participation in Other Programs p. p. 76
Analysis of Participation in Other Programs The Evaluator compared the participation levels between the treatment and control groups in other residential program components offered by E1, namely Efficient Product Installation (EPI), Green...

AI summary The Evaluator compared participation in E1's residential programs (EPI, Green Heat, HEA) between treatment and control groups to check for higher participation and avoid double-counting savings.

27.2.2 Installation Rates p. p. 79
27.2.2 Installation Rates Since a billing analysis is used to calculate Residential Behaviour savings, the savings already take into account installation rates. Therefore, installation rates are already taken into account in the savings ca...

AI summary Installation rates are already factored into Residential Behaviour savings calculations through billing analysis, meaning they are not separately accounted for in the savings estimates.

27.2.4 Peak Demand Savings p. p. 82
27.2.4 Peak Demand Savings No peak demand savings targets were set for Residential Behaviour and no peak demand savings were calculated as part of the 2025 evaluation.

AI summary No peak demand savings targets were established for Residential Behaviour, and no such savings were calculated in the 2025 evaluation.

27.2.7 Savings Deductions for Participation in Other Residential Programs p. p. 82
27.2.7 Savings Deductions for Participation in Other Residential Programs A secondary aim of Residential Behaviour is to encourage customers to engage with other ENS programs tailored to their usage profiles. Therefore, treatment group cus...

AI summary The section outlines methods to avoid double-counting savings from the Residential Behaviour program by evaluating participation in other ENS programs (EPI, Green Heat, HEA) between treatment and control groups. Savings deductions are calculated if treatment groups show higher participation, using average savings per household and adjusted over the program's EUL.

Table 64: Other Residential Program Participation Levels for 2025 p. pp. 83-84
Table 64: Other Residential Program Participation Levels for 2025 Program Component Treatment Participation Level Control Participation Level Difference (%) Is the Difference Statistically Significant? Wave 1 – High Users HEA 0.49% 0.55% -...

AI summary Table 64 presents participation levels for residential programs in 2025, showing minimal differences between treatment and control groups. Only Green Heat in Wave 2 shows a statistically significant difference, with higher participation in the treatment group. The data is used to evaluate program effectiveness.

Savings Deductions to Be Applied in 2025 p. p. 84
Savings Deductions to Be Applied in 2025 [Table](#page-85-0) 66 below presents the total savings deduction to be applied in 2025 for increased participation in other programs, which corresponds to the sum of 2025 first-year savings deducti...

AI summary The document discusses the application of savings deductions in 2025 for increased participation in other programs, noting that savings for Residential Behaviour were calculated only for the first four months of 2025 and adjusted by a factor of 4/12.

Table 69: Overall 2025 Existing Residential Participation and Evaluated Savings p. pp. 86-88
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.

Table 1: 2025 ASFH Corrected Tracked Savings p. p. 97
Table 1: 2025 ASFH Corrected Tracked Savings Program Component Result Value Tracked by E1 Corrected Tracked Value Relative Difference Value Unit Value Unit Value ASFH Gross Electrical Energy Savings at the Generator 5.858 GWh 5.785 GWh -1....

AI summary The table presents corrected tracked savings for the 2025 Affordable Single-family Homes (ASFH) program, showing a decrease in both gross and net electrical energy and peak demand savings. The discrepancies between tracked and corrected savings are attributed to E1's outdated calculation methodology, with adjustments made by the Evaluator to correct ratios, line loss factors, and unclaimed savings.

Table 1: Evaluated 2025 ASFH Allocation of EPI Gross Electrical Energy and Peak Demand Savings per Measure p. pp. 97-99
Table 1: Evaluated 2025 ASFH Allocation of EPI Gross Electrical Energy and Peak Demand Savings per Measure LED Lamps Product Category 9 W Replacing 60 W 18 W Replacing 100 W PAR20 7 W Replacing 50 W PAR38 15 W Replacing 150 W Number of Uni...

AI summary Table 1 evaluates the 2025 allocation of EPI gross electrical energy and peak demand savings per measure for Affordable Single-family Homes (ASFH). It includes data on unit numbers, installation rates, energy savings, and peak demand savings for various LED lamp replacements.

Participation in Other Programs p. pp. 125-126
Participation in Other Programs Statistical significance testing for participation in other programs is performed directly in JMP. The Evaluator used the Adjusted Wald Test, which serves to determine if there is a statistically significant...

AI summary The Evaluator used the Adjusted Wald Test in JMP to assess if participation rates in other programs, such as Green Heat, differ significantly between control and treatment groups. A p-value below 0.1 indicates a statistically significant difference.

Table 5: Implementation Status of Past Recommendations for BER p. p. 146
Table 5: Implementation Status of Past Recommendations for BER # Recommendation Status Comments 2024-BER-R1 Undertake additional research to further validate market evaluation results to establish, no later than Q3, when the LED baseline f...

AI summary The recommendation for additional research on LED baseline timing for BER-IR has been completed. E1 collaborated with the Evaluator to conduct the research and will present the findings in the 2025 DSM Efficient Product Rebates Evaluation Report to be submitted to the Nova Scotia Energy Board on March 31, 2026.

Section 958 p. p. 35
- 1. You are selling very few, most customers are replacing whole fixtures with LED fixtures - 2. Compared to 2022 your sales are decreasing, as more customers are replacing whole fixtures with LED fixtures. - 3. Compared to 2022, there is...

AI summary The text discusses trends in the sales of replacement lamps for outdoor and high bay fixtures in 2025, noting a decrease in sales due to customers replacing whole fixtures with LED fixtures. It also asks why non-LED lighting products are still being carried in certain categories.

DEFINITIONS p. p. 50
Figure 2: Overview of Retrofit Participation, 2017–2025 5

AI summary The document includes a figure titled 'Overview of Retrofit Participation, 2017–2025' which provides a visual representation of retrofit participation trends over time.

Section 1416 p. p. 63
EfficiencyOne (E1), an independent and non-profit organization, is responsible for helping Nova Scotians improve the energy efficiency of their homes and workplaces by designing, marketing, and delivering demand-side management (DSM) for N...

AI summary EfficiencyOne (E1) is a non-profit organization responsible for delivering demand-side management (DSM) programs in Nova Scotia through the Efficiency Nova Scotia (ENS) franchise. E1 is funded by Nova Scotia Power (NS Power) ratepayers and has a portfolio of residential, BNI, and demand response programs. Econoler was commissioned to evaluate E1's 2025 DSM program portfolio, including the Custom Incentives program and its components, such as Strategic Energy Management (SEM). The evaluation focuses on baseline definitions, savings calculation methods, parameter values, and net-to-gross ratios.

Section 1449 p. p. 74
[Table](#page-74-2) 8 below summarizes the impact evaluation approach for each project category under Retrofit. Results for the three project categories are presented below; these are then combined as the aggregated results for Retrofit in...

AI summary The text discusses the impact evaluation approach for Retrofit project categories, with results presented for each category and aggregated in subsequent subsections.

F. Program satisfaction p. p. 129
F. Program satisfaction - F1. On a scale from 1 to 10 (where 1 = not at all satisfied and 10 = very satisfied) … - a. how would you rate your satisfaction with each of the following aspects of the Custom Retrofit program?

AI summary The section asks participants to rate their satisfaction with the Custom Retrofit program on a scale from 1 to 10, where 1 is 'not at all satisfied' and 10 is 'very satisfied'.

Pre-coded answers [DO NOT READ]: p. p. 132
Pre-coded answers [DO NOT READ]: - 1. Lower operation costs - 2. Energy policy in my organization - 3. Environmental reasons/energy efficiency (non-cost related) - 4. Competitors are doing it - 98. Don't know - 99. Refused - B2. How did yo...

AI summary The document presents pre-coded survey responses about motivations for participating in a Custom Retrofit program, including cost reduction, energy policy alignment, environmental concerns, and competitive pressures. It also asks how participants first learned about the program and their specific reasons for joining.

D. Program satisfaction p. p. 167
D. Program satisfaction - D1. On a scale from 1 to 10 (where 1 = not at all satisfied and 10 = very satisfied) … - a. how would you rate your satisfaction with each of the following aspects of the New Construction program?

AI summary The section 'D. Program satisfaction' asks respondents to rate their satisfaction with the New Construction program on a scale from 1 to 10, where 1 is 'not at all satisfied' and 10 is 'very satisfied'.

DIRECT INSTALLATION PROGRAM p. pp. 24-193
DIRECT INSTALLATION PROGRAM Final Report 2025 DSM EVALUATION March 12, 2026

AI summary The Final Report for the 2025 Demand-Side Management (DSM) Evaluation of the Direct Installation Program, dated March 12, 2026, assesses the program's outcomes and compliance with regulatory goals. It focuses on evaluating the effectiveness of direct installation initiatives under DSM frameworks.

Section 1739 p. p. 0
[Table](#page-1-0) 2 presents the participation levels, net-to-gross ratios (NTGRs), evaluated gross and net savings at the generator, annual GHG emission reductions, as well as effective useful life (EUL) values for the Direct Installatio...

AI summary Table 2 provides data on participation levels, net-to-gross ratios, evaluated gross and net savings, annual GHG emission reductions, and effective useful life values for the Direct Installation program.

Table 7: 2025 SBES Equivalent EUL for Updated Measures p. pp. 11-12
Table 7: 2025 SBES Equivalent EUL for Updated Measures Product Tracked Equivalent EUL [years] Evaluated Equivalent EUL [years] Indoor - Four-pin Base Replacement Lamps for Compact Fluorescent Lamps (CFLs) 11.9 1.9 Indoor - High-bay Luminai...

AI summary Table 7 presents the 2025 SBES Equivalent Useful Life (EUL) for various lighting products, comparing tracked and evaluated EUL values. The table highlights significant differences between the two metrics across different product categories, with some products showing a large discrepancy, such as the Indoor - Four-pin Base Replacement Lamps for Compact Fluorescent Lamps (CFLs), which have a tracked EUL of 11.9 years and an evaluated EUL of 1.9 years.

1.1 Residential DR Description p. p. 47
1.1 Residential DR Description In 2023, E1 officially launched Residential DR. Since the fall of 2020, E1 has implemented several initiatives focused on reducing demand during the Nova Scotia peak period. The Residential DR program compone...

AI summary The Residential Demand Response (DR) program in Nova Scotia, launched by E1 in 2023, offers four pathways for participants to reduce demand during peak periods. Eligibility criteria, incentives, and technical implementation details are outlined, including the role of EPI, Virtual Peaker, and Shifted Energy in program execution.

Table 13: EV and EV Charger Incentive Structures and Levels per Jurisdiction p. pp. 69-70
Table 13: EV and EV Charger Incentive Structures and Levels per Jurisdiction Program Administratora Enrollment Incentive Participation Incentive Other Efficiency Nova Scotia $50/household $50/device/year - BC Hydro $250/household $50/house...

AI summary Table 13 outlines various EV and EV charger incentive structures and levels across different jurisdictions, including enrollment and participation incentives, as well as other program features. The table includes data from Efficiency Nova Scotia, BC Hydro, DTE Energy, Hydro-Québec, Puget Sound Energy, and Rhode Island Energy.

Home Batteries p. p. 70
Home Batteries [Table](#page-71-0) 14 below indicates the structures and levels offered by the scanned jurisdictions for home batteries.

AI summary The text references Table 14, which outlines the structures and levels of home battery programs offered by scanned jurisdictions. The table is cited as providing insights into how different regions approach residential energy storage solutions.

Welcome! p. p. 117
Welcome! Thank you for taking part in this survey conducted by Narrative Research, a Halifax-based survey research company. We are performing an evaluation of energy efficiency services and programs provided by Efficiency Nova Scotia. As a...

AI summary A survey by Narrative Research evaluates Efficiency Nova Scotia's energy efficiency programs, including the Free Product Installation program offering smart thermostats and other energy-efficient products, with a $15 gift card incentive for participation.

[THANK AND TERMINATE AFTER B4 FOR ALL ANSWERS] p. pp. 118-120
[THANK AND TERMINATE AFTER B4 FOR ALL ANSWERS] - B5. [ASK IF B1=1 OR B2a=1] How did you learn about Efficiency Nova Scotia's Eco Shift Program? Please select all that apply. [MULTIPLE RESPONSE. RANDOMIZE 1-10.] - 1. From the installer who...

AI summary The text includes survey questions about customer awareness and enrollment in Efficiency Nova Scotia's Eco Shift Program, covering channels like installers, marketing emails, and the website. It also asks about enrollment status and methods, highlighting technical challenges and non-enrollment reasons.

The participant survey results are presented in the following tables. p. p. 125
The participant survey results are presented in the following tables. TABLE OWN_RENT: OVERALL % Own 98 Rent 2 SAMPLE SIZE (#) 128 TABLE B1:

AI summary The text presents participant survey results, specifically highlighting the percentage of participants who own versus rent their homes, with a sample size of 128.

This appendix summarizes all the recommendations made by the Evaluator as part of the 2025 evaluation of Residential DR. p. p. 145
This appendix summarizes all the recommendations made by the Evaluator as part of the 2025 evaluation of Residential DR. Section Recommendations Executive Summary 2025 Res DR Recommendation 3: Leverage key awareness channels to increase pr...

AI summary The 2025 evaluation of Residential Demand Response (DR) recommends increasing program participation through targeted awareness campaigns and continuous engagement. Key focus areas include emphasizing program benefits, privacy protections, and the flexibility participants have over their devices. The recommendations also suggest encouraging the enrollment of more devices per household to enhance participation and effectiveness.

Table 1: Residential Measure Assessment Change Log p. pp. 178-184
Table 1: Residential Measure Assessment Change Log Change Type Section Description Date Update 2.2.3(7) Pipe Insulation Update EUL value 2023-03-09 New Measure 2.3.3(10) Smart Thermostats for Electrical Heating Systems Renamed from the sma...

AI summary This table outlines changes made to residential energy efficiency measures, including updates to existing measures like pipe insulation and LED lamps, as well as the addition of new measures such as smart thermostats for heat pumps and solar fixtures. The changes reflect updates to energy efficiency assumptions and include new technologies in the Instant Savings program.

Table 2: Included Residential Measures p. pp. 187-189
Table 2: Included Residential Measures Measure Program Component Lighting LED Lamps EPI ENERGY STAR Certified LED Fixtures with Motion Sensors Instant Savings Dimmer Switches EPI, Instant Savings Motion Sensors EPI, Instant Savings LED Nig...

AI summary Table 2 lists residential energy efficiency measures and their associated program components, including lighting, water heating, space heating, appliances, plug load controls, and demand reduction. Each measure is linked to specific programs such as EPI, Instant Savings, Green Heat, and HEA.

Table 3: Interactive Effects Factors for Residential Lighting Products Installed Indoors p. p. 189
Table 3: Interactive Effects Factors for Residential Lighting Products Installed Indoors Type of Home % of Homes1 Energy Interactive Effects Factor2 Peak Demand Interactive Effects Factor3 Heat Pump Heating and Air Conditioning 38% -58% /...

AI summary Table 3 presents interactive effects factors for residential lighting products installed indoors, showing how different home types affect energy and peak demand. The weighted average indicates a -17.7% energy interactive effects factor and -46.8% peak demand interactive effects factor.

Table 6: Peak Demand-to-energy Ratios for Residential Lighting Measures p. p. 193
Table 6: Peak Demand-to-energy Ratios for Residential Lighting Measures Measure Peak Demand-to energy Ratio (W/kWh) Reference LED Lamps 0.162 Northeast Residential Lighting Hours-of-Use Study LED Fixtures LED Nightlights Dimmer Switches So...

AI summary Table 6 presents peak demand-to-energy ratios for various residential lighting measures, including LED lamps and motion sensors, with references to studies and plans such as the Northeast Residential Lighting Hours-of-Use Study and the Navigant 2016-2018 DSM Plan.

Hours of Operation p. p. 195
Hours of Operation The daily hours of operation value is based on the 2020 Residential Lighting Hours-of-Use Quick Hit Study (RLHOU)[14](#page-196-0) in which the data collected through the 2014 Northeast Residential Lighting Hours-of-Use...

AI summary The text analyzes residential lighting hours-of-use data from the RLHOU and NERHOU studies, noting efficient bulbs are used 0.1–0.2 hours longer daily due to factors like differential socket selection and snapback effects. For EPI, HOUs are set at 2.6 hours/day to avoid overestimating savings, while E1 uses NERHOU data. Studies found no HOU differences between single-family homes and apartments.

Table 11: LED Fixture with Motion Sensor Measure Summary p. p. 199
Table 11: LED Fixture with Motion Sensor Measure Summary Parameter Instant Savings Reference Measure Description and Identification Measure LED fixtures with motion sensors rebated in store - Baseline Standard-compliant new fixtures Genera...

AI summary Table 11 outlines the energy savings parameters for LED fixtures with motion sensors under the Instant Savings program, including unitary energy savings, peak demand savings, and interactive effects factors. The table provides details on installation rates, useful life, and calculations related to energy and demand savings.

Summary p. p. 6
Summary Table 22 presents a summary of the values used to calculate the savings for solar fixtures. The detailed methodology follows.

AI summary Table 22 presents a summary of the values used to calculate the savings for solar fixtures. The detailed methodology follows.

Table 26: Interactive Effects Factors for Water Heating Measures p. pp. 10-11
Table 26: Interactive Effects Factors for Water Heating Measures Measure Type of Home Interactive Effects Factors for Energy Savings Interactive Effects Factors for Peak Demand Savings Reference Drain Water Heat Recovery N/A 0% 0% Assumpti...

AI summary Table 26 outlines interactive effects factors for various water heating measures on energy and peak demand savings. It shows how different measures, such as pipe insulation and heat pump water heaters, affect energy savings and peak demand in various types of homes and heating systems.

Table 30: Solar Domestic Hot Water Measure Summary p. pp. 13-14
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 37: Faucet Aerator Measure Summary p. pp. 21-22
Table 37: Faucet Aerator Measure Summary Parameter EPI Reference Measure Description and Identification Measure Faucet aerators for heating with direct i 0.0040 - Baseline Standard faucet wit h no aerator Application Single-family homes Ap...

AI summary Table 37 provides a summary of the Faucet Aerator Measure, including details on installation rates, energy savings, and other parameters. The table outlines the measure's application, effective useful life, and energy savings metrics, with references to specific subsections for further details.

Table 52: Electrical Energy Savings Values for Mini-split Heat Pumps in ASFH p. pp. 33-34
Table 52: Electrical Energy Savings Values for Mini-split Heat Pumps in ASFH Parameter Symbol Value Reference Rated Heating Capacity of the MSHP [BTU/h] НС Specification data for each installed system AHRI certified value Percentage of Ele...

AI summary Table 52 provides electrical energy savings values for mini-split heat pumps in affordable single-family housing (ASFH), including parameters such as heating capacity, efficiency, and equivalent full load hours. The data is based on AHRI certified values and billing analysis from the 2024 Green Heat evaluation.

Table 57: Ground-source Heat Pump Measure Summary p. pp. 37-38
Table 57: Ground-source Heat Pump Measure Summary Parameter Green Heat Reference Measure Description and Identification Measure Ground-source heat pumps for high-efficiency space rebated after installation (HEA) or rebated after purchase (...

AI summary Table 57 provides a summary of the Ground-source Heat Pump Measure, including details on installation rates, effective useful life, energy savings calculations, and peak demand savings. The measure involves rebating ground-source heat pumps after installation or purchase, with baseline comparisons to electric heating resistance and other heat pump types.

Table 59: Wood and Pellet Stove and Fireplace Insert Measure Summary p. p. 40
Table 59: Wood and Pellet Stove and Fireplace Insert Measure Summary Parameter Green Heat HEA Reference Measure Description and Identification Measure purchase (Green Heat) Wood and pellet stoves and fireplace inserts rebated after install...

AI summary Table 59 provides a summary of energy savings parameters for wood and pellet stove and fireplace insert measures under the Green Heat Home Energy Assessment (HEA) program. It includes details on installation rates, effective useful life, and energy and peak demand savings.

Table 61: Wood and Pellet Boiler and Furnace Measure Summary p. pp. 41-42
Table 61: Wood and Pellet Boiler and Furnace Measure Summary Parameter Green Heat HEA Reference Measure Description and Identification Measure purchase (Green Heat) Wood and pellet boilers and furnaces rebated after installation (HEA) or r...

AI summary Table 61 provides a summary of the Wood and Pellet Boiler and Furnace Measure under the Green Heat program. It outlines parameters such as installation rates, effective useful life, energy savings, and peak demand savings for various heating systems, including electrical heating, heat pumps, and HEA (Home Energy Assessment).

Table 64: Solar Air Heating Measure Summary p. pp. 45-46
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.

Parameter Value Margin of Error Reference p. p. 102
Parameter Value Margin of Error Reference Portion of Season with Enrolment 53.5% - Residential DR 2025 evaluation Participation Rate 22.5% 1.7% Residential DR 2025 evaluation (4) Smart Thermostat Load Control

AI summary The document presents data on the portion of the season with enrolment (53.5%) and the participation rate (22.5%) for residential demand response in 2025. It also introduces a section on Smart Thermostat Load Control.

Table 134: Smart Thermostat Control Measure Parameters Included in the In-service Rate p. p. 103
Table 134: Smart Thermostat Control Measure Parameters Included in the In-service Rate Parameter Electric Baseboard Only MSHP Only Electric Baseboard and MSHP Only Others Reference Portion of Season with Enrolment 61.9% 59.6% 65.9% 54.7% R...

AI summary Table 134 outlines the portion of the season with enrolment for different thermostat control measures included in the in-service rate. The data shows varying percentages for Electric Baseboard Only, MSHP Only, Electric Baseboard and MSHP Only, and Others, with references to the Residential DR 2025 evaluation.

Table 139: Solar Photovoltaic System Measure Summary p. pp. 106-107
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.

Installation Rates p. pp. 107-108
Installation Rates The installation rate is assumed to be 100% given the verification of the measure that is done through HEA's E assessment and the fact that the calibration study for SolarHomes would have captured any discrepancies in in...

AI summary The installation rate is assumed to be 100% due to verification through HEA's E assessment and a calibration study for SolarHomes, which would have captured any discrepancies in installed systems.

Table 141: EUL Values for Residential LED Lamps and Fixtures p. pp. 109-111
Table 141: EUL Values for Residential LED Lamps and Fixtures Measure Program Component 2025 Equivalent EUL (years) LED A19 Lamps 9 W Replacing 25 W EPI 1.0 9 W Replacing 29 W 1.0 9 W Replacing 40 W 1.0 9 W Replacing 43 W 1.0 9 W Replacing...

AI summary Table 141 provides Effective Useful Life (EUL) values for various residential LED lamps and fixtures under different programs and components. The EUL values are generally set at 1.0 for most items, with a few exceptions such as ENERGY STAR certified fixtures with motion sensors and solar fixtures, which have higher EUL values.

Table 143: Commercial Measure Assessment Change Log p. p. 115
Table 143: Commercial Measure Assessment Change Log Change Type Section Description Date Update 1.1.1(2) Advanced RTU Controls Update savings calculation methodology 2023-03-09 Update 3.1 EUL - LED Lamps and Fixtures Update EUL values and...

AI summary This table documents changes to the Commercial Measure Assessment, including updates to savings calculation methodologies, new measures such as compressed air leak repairs and variable frequency drives, and the removal of the booster pump from BER Instant Rebates. It also outlines the creation of separate residential and commercial reports and the addition of LED roadway lighting and smart thermostats for electric heating.

Table 170: LED Nightlight Measure Summary p. p. 142
Table 170: LED Nightlight Measure Summary Parameter SBES CDI Pilot Reference Measure Description and Identification Measure LED nightlights through direct installation N/A Baseline Existing nightlight being replaced, which must be incandes...

AI summary Table 170 provides a summary of the LED nightlight measure under the SBES CDI Pilot program. It includes details such as the measure description, baseline, installation rate, energy savings, and peak demand savings calculations.

6.4.4 Water Heating Measures p. pp. 175-176
6.4.4 Water Heating Measures

AI summary Section 6.4.4 discusses water heating measures, including programs like the Canada Greener Homes Grant (CGH Grant) and Efficiency Nova Scotia (ENS). It outlines initiatives to promote energy-efficient water heating technologies and their integration into residential and multifamily housing programs.

Table 250: Solar PV Measure Summary p. pp. 5-6
Table 250: Solar PV Measure Summary Parameter Custom Retrofit, BER-AR Reference Measure Description and Identification Measure Solar PV systems for commercial, industrial, and agricultural facilities rebated after installation - Baseline F...

AI summary Table 250 outlines the Solar PV Measure Summary, focusing on the installation and energy savings parameters for solar PV systems in commercial, industrial, and agricultural facilities. The table includes details such as installation rates, effective useful life, and energy savings calculations.

(2) Solar Domestic Hot Water p. p. 6
(2) Solar Domestic Hot Water

AI summary The section titled '(2) Solar Domestic Hot Water' appears to be part of a regulatory proceeding document in Nova Scotia, focusing on programs or policies related to solar domestic hot water systems. However, no further details or content are provided in the given text.

7.1 LED Lamps and Fixtures p. pp. 82-83
7.1 LED Lamps and Fixtures To establish lifetime energy savings for LED lamps and fixtures, the equipment life is determined using rated lifetimes identified in product specification sheets and annual HOU, as described in the equation belo...

AI summary The document explains how to calculate the equipment life of LED lamps and fixtures using rated lifetimes and annual HOU. It also discusses the need for an equivalent EUL to determine lifetime energy savings, considering regulatory changes that shift the baseline to LED over time.

Table 361: EUL Values for BNI LED Lamps and Fixtures p. p. 83
Table 361: EUL Values for BNI LED Lamps and Fixtures Measure Program Component Average Rated Lifetime (hours) Annual HOU (hours/year) Equipment Life 2025 Equivalent EUL LED Ceiling Mount, LED Surface Mount, LED Solid State Retrofit, LED In...

AI summary Table 361 presents Effective Useful Life (EUL) values for various BNI LED lamps and fixtures under different program components, such as SBES and BER-AR. The table includes metrics like average rated lifetime, annual hours of use, equipment life, and 2025 equivalent EUL for each measure.

E-6E1 (AEC) RIRs 1-11 3 passages
1 Request IR-01: p. p. 1
1 Request IR-01: 2 3 On pages 16-17 of Appendix A (pages 104-5) of the application, in section 3.2.1, Resource 4 Scenario Design, you state that you changed the design objective regarding low income and 5 equity from 6 7 • 15–20 percent in...

AI summary The request asks for clarification on the practical difference of reframing low-income and equity investment objectives and how savings and investment percentages are calculated. The response refers to EfficiencyOne's previous explanation and details the calculation method using data from Appendix A, Table 8 of the DSM Resource Plan Application.

Section 2 p. p. 1
- 1 Table 1 below presents this calculation using values from Table 8 of Appendix A. As shown in - 2 Table 1, these dedicated program components account for 11 percent of total residential first- - 3 year energy savings and 42 percent of t...

AI summary Table 1 illustrates that dedicated program components contribute 11% of total residential first-year energy savings and 42% of total residential program investment, using values from Table 8 of Appendix A.

Section 5 p. p. 1
an period. Table 51 is structured to be directly comparable to the first-year and lifetime savings reported for other DSM programs as set out in the program performance indicator tables in Appendix A. Request IR-04: The New Residential pro...

AI summary The New Residential DSM program, targeting Mi'kmaw communities, offers energy efficiency measures for net-zero homes. A request questions why it wasn't extended to all low-income publicly funded housing. The response cites existing provincial programs like EnergyForward New Homes and the Affordable Rental Construction pilot, which already support similar measures, avoiding duplication.

E-8E1 (EE) RIRs 1-10 2 passages
7.7. Baseline HVAC System Selection for Multi-Unit Residential Buildings p. pp. 22-23
7.7. Baseline HVAC System Selection for Multi-Unit Residential Buildings The following sections outline the baseline HVAC systems for various types of proposed systems: - Single Zone Air-Source Heat Pumps - Geothermal and Air-to-Water Syst...

AI summary This section outlines baseline HVAC systems for multi-unit residential buildings, including air-source heat pumps, geothermal systems, water loop pumps, hybrid hydronic heat pumps, and variable refrigerant flow systems. Ventilation system details are referenced in subsequent sections.

Section 113 p. p. 51
3 (a) Please refer to Table 1 of this IR response. 4 5 (b) Please refer to Table 1 of this IR response. 6 7 (c) Please refer to Table 1 of this IR response. 8 9 (d) Please refer to Table 1 of this IR response. 10 11 (e) Please refer to Tab...

AI summary The response to IR-10 outlines that new construction multi-unit residential buildings are primarily supported through the Custom New Construction program. However, if they do not meet its eligibility criteria, individual measures may be supported through other programs like Business Energy Rebates or the provincial EnergyForward New Homes program for certain Part 9 buildings.

E-9E1 (IG) RIRs 1-29 12 passages
- 4 Attachment 2 to this IR response. p. p. 19
- 4 Attachment 2 to this IR response. Residential Instant Savings - Cost and Energy Savings Analysis Costs ($ millions) Residential Instant Savings 2026 Total Costs $ 2.53 Unit Cost Analysis Centrally Ducted Heat Pump -NEW 0.38 2026 Unit C...

AI summary The document provides a detailed analysis of the costs and energy savings associated with the Residential Instant Savings program and the Home Energy Assessment program for 2026 and beyond. It outlines various cost components, including unit costs, administrative changes, and the impact of different measures on overall savings.

Residential Programs p. p. 45
Residential Programs Within the residential sector, unit costs increase between 2025 and the 2027–2031 period, with variation by program type. Residential Instant Savings shows an increase in unit cost in 2026 relative to 2025, followed by...

AI summary The residential programs section discusses changes in unit costs across various initiatives from 2025 to 2031. Unit costs for programs like Residential Instant Savings and Home Energy Assessments increase initially before fluctuating. Efficient Product Installation and Affordable Housing programs also show rising costs due to factors like reduced participation, measure mix changes, and increased incentives.

BNI Programs p. pp. 45-46
BNI Programs Business programs show more moderate increases in unit costs than residential programs, though similar structural drivers are evident. Small Business Energy Solutions experiences a gradual increase in unit cost from 2025 throu...

AI summary Business programs show moderate increases in unit costs, driven by the elimination of direct install and declining energy savings. Custom and Strategic Energy Management programs remain stable due to increased energy savings offsetting higher costs. Lighting measures being phased out also impact unit costs in Business Energy Rebates.

New Brunswick – 2024/25 to 2026/27 Initiatives Update p. p. 49
New Brunswick – 2024/25 to 2026/27 Initiatives Update Budget kWh $/kWh Residential $ 10,200,000 $ 8,700,000 1.17$ Direct Install $ 200,000 300,000 0.67$ Total Home $ 8,700,000 7,800,000 1.12$ New Home $ 1,300,000 600,000 2.17$ Commercial a...

AI summary The document outlines a budget and cost-per-kWh for various energy efficiency initiatives in New Brunswick from 2024/25 to 2026/27, including residential, commercial, and industrial programs. It includes details on funding amounts and costs associated with different initiatives such as direct installation, home energy assessments, and peak rebate programs.

2020/21 to 2024/25 Evaluated Savings Electric Energy Savings showing use of Home Energy Reports, lighting, load displacement, and Codes and Standards. p. p. 52
2020/21 to 2024/25 Evaluated Savings Electric Energy Savings showing use of Home Energy Reports, lighting, load displacement, and Codes and Standards. Electri c Energy Savings ( GWh) Program 2020/21 2021/22 2022/23 2023/24 2024/25 Resident...

AI summary The document presents evaluated electric energy savings from 2020/21 to 2024/25, highlighting the use of Home Energy Reports, lighting, load displacement, and Codes and Standards. It includes data on energy savings across various sectors such as residential, income-based, Indigenous, and commercial/industrial, along with percentages of load reduction targets achieved.

Table 2. Common Need for Incentives p. pp. 77-78
Table 2. Common Need for Incentives Topic Justification Sector/Customer Segment Certain customer segments, such as small business and low-income, typically need higher incentives due to lack of resources to handle upfront costs. Maturity o...

AI summary The table outlines various factors that influence the need for higher incentives in energy efficiency programs. These include customer segments with limited resources, maturity of technology, technical awareness, and program delivery models, among others. Each factor highlights a scenario where customers may require greater financial motivation to adopt energy-efficient measures.

Table 4. SBES Project Categories p. pp. 87-88
Table 4. SBES Project Categories Project Categories Estimated $/kWh based on 2023 SBES Custom - Agriculture $0.25 SBES Custom $0.20 SBES Custom - HVAC $0.40 SBES Custom - Kitchen $0.25 SBES Custom - Lighting $0.40 SBES Custom - Motors $0.2...

AI summary Table 4 outlines the SBES Project Categories with estimated costs per kilowatt-hour for various custom projects in 2023, ranging from $0.20 to $0.40 depending on the type of project.

Date Filed: May 28, 2026 IG IR-12, Attachment 1, Page 1 of 1 p. p. 89
Date Filed: May 28, 2026 IG IR-12, Attachment 1, Page 1 of 1 DSM Statement of Operations ($ millions) 18.29 15.74 (2.55) -14% 16.24 0.50 3% 16.50 0.25 2% 17.04 0.55 3% 17.56 0.53 3% Total Costs $ 63.75 $ 63.75 $ 63.75 $ 63.75 $ 63.75 $ 63....

AI summary The document presents the DSM Statement of Operations for 2026, detailing total costs and program-specific incentive expenditures across various energy efficiency and demand-side management initiatives in Nova Scotia.

1 i) How that allocation shift affects the non-participating or non-eligible classes (such p. p. 89
DATE FILED: May 28, 2026 E1 (IG) IR-16 Page 2 of 5 1 i) How that allocation shift affects the non-participating or non-eligible classes (such 26 The program components where a different methodology was used are as follows: 1 • For the Affo...

AI summary The document outlines the methodology used for allocating program spending across different rate classes for various program components, including Affordable Single-family Homes, Residential Demand Response, BNI Demand Response, and Residential Solar-PV. The allocation methods vary depending on the program and the rate class served.

4 p. p. 89
4 Item E1 Smart Synergy / BNI Participants NS Power Large Industrial Interruptible Rider (LIIR) viii) Minimum load to participate No specific written requirement. Any industrial customer having a regular billing demand of 2,000 kVA or 1,80...

AI summary The text compares participation requirements for the E1 Smart Synergy / BNI program and the NS Power Large Industrial Interruptible Rider (LIIR), noting that the former has no specific written minimum load requirement, while the latter requires a minimum of 2,000 kVA or 1,800 kW.

Section 182 p. p. 89
) Please confirm that Strategic Energy Management is not included in the "Custom" Table 18 36. If not confirmed, please explain why it is separated in the Exhibit E-1-(ii) tables. 1 4 13 16 (f) Please explain the decrease in Strategic Ener...

AI summary The response addresses questions about the exclusion of Strategic Energy Management from a table, the decrease in participation, and the breakdown of incentive levels for custom programs. It explains that the table reflects a proposed plan and that changes in cost categorization, not program structure, caused the exclusion and participation decrease.

Section 188 p. p. 89
DATE FILED: May 28, 2026 (e) Confirmed. Table 36 covers the Custom program component, not the entire Custom Incentives program. Please see the table listed in our response sub-question (d) for a total view of the Custom Incentives program...

AI summary The document discusses the Custom Incentives program, which includes two components: Custom and Strategic Energy Management (SEM). It references Table 36 and Table 2 for details on program breakdowns and participation assumptions, noting that SEM is suitable for a limited customer base.

E-10E1 (MEU) RIR-1 2 passages
Program costs by participating rate classes
Program costs by participating rate classes Program Efficient Product Rebates RES Spending ($M) Energy Savings (GWh) Demand Savings (MW) Existing Residential Spending ($M) Energy Savings (GWh) Demand Savings (MW) New Residential Spending (...

AI summary The document presents a table detailing program costs and energy savings by rate class for various demand-side management (DSM) initiatives, including Efficient Product Rebates, Custom Incentives, and Direct Installation. The data includes spending in millions of dollars and corresponding energy and demand savings in gigawatt-hours and megawatts, respectively, for different regions.

Program costs by participating rate classes
Program costs by participating rate classes Program Efficient Product Rebates RES Spending ($M) Energy Savings (GWh) Demand Savings (MW) Existing Residential Spending ($M) Energy Savings (GWh) Demand Savings (MW) New Residential Spending (...

AI summary The document presents a table detailing program costs and energy savings across various rate classes in Nova Scotia. It includes data on spending, energy savings, and demand savings for different programs such as Efficient Product Rebates, Custom Incentives, and Direct Installation.

E-11E1 (NRStor) RIRs 1-7 1 passage
Preamble p. p. 6
Response IR-04: (a) New measures, including batteries, are not eligible in the Residential Demand Response (DR) program component under the proposed 2027–2031 DSM Preferred Plan because EfficiencyOne (E1) is maintaining Residential DR at t...

AI summary EfficiencyOne (E1) has excluded new residential battery enrollments from the Residential Demand Response (DR) program in the proposed 2027–2031 DSM Preferred Plan due to challenges with enrollment and cost-effectiveness. While battery control was considered in early modelling, it was not included in subsequent iterations due to these concerns.

E-12E1 (NSEB) RIRs 1-66 - Redacted 59 passages
Section 18 p. p. 3
- Please refer to part (b) (ii) of this IR response. - (c) 5 - 6 i) - For the "HW Heat Pump Cleanings" measure under the "Affordable Single-8 Family Homes" program: - 9 a) The heat pump cleaning measure characterization details were largel...

AI summary The document discusses the 'HW Heat Pump Cleanings' measure under the Affordable Single-Family Homes program, referencing the Wisconsin Focus on Energy 2024 Technical Reference Manual and citing NS Power IR-14. It notes that E1 conducted a procurement for heat pump installation and maintenance services in 2025, with cleaning costs ranging from $280 to $650 per visit, and E1 assumed a higher average cost for the measure.

Section 20 p. p. 3
23 pathways. There are instant rebates available to customers through

AI summary The text mentions 23 pathways and instant rebates available to customers, indicating a focus on customer programs and incentives.

1 Request IR-05: p. p. 3
E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 Request IR-05: 10 i) Please explain why E1 is confident that there is no double counting between its 11 demand response program and NS Power's rate sig...

AI summary E1 responds to the Nova Scotia Energy Board's information requests regarding potential double counting between its demand response program and NS Power's rate signals, and the exclusion of certain customers from its programs. E1 also addresses the budgeted cost for the Residential Behaviour program in its DSM plan.

13 Table 4: Residential and BNI Demand Response participation (2024 – 2025) p. p. 49
13 Table 4: Residential and BNI Demand Response participation (2024 – 2025) Residential DR BNI DR 2024 353 76 2025 3,676 143 14

AI summary Table 4 presents the participation numbers for Residential and BNI Demand Response programs in 2024 and 2025, showing a significant increase in participation from 2024 to 2025 for both programs.

Customer Research p. p. 147
Customer Research A critical component of determining participant perceived value is actually asking potential customers what they would pay for a product or service, and what their price points are for difficult technology options. Additi...

AI summary Customer research is essential to understand price points and barriers to adopting energy-efficient technologies. While financial incentives may encourage adoption, other factors like product quality and environmental concerns can hinder it. The principal-agent problem arises in rental units, where tenants and landlords have differing motivations and responsibilities regarding energy efficiency.

RESIDENTIAL SECTOR p. p. 167
RESIDENTIAL SECTOR There are more than 390,280 residential households in Nova Scotia. 15 The majority of customers are on flat-billing residential electricity purchase agreements. Only 1,000 customers are on residential time-of-use pricing...

AI summary The residential sector in Nova Scotia consists of over 390,000 households, with most on flat-rate electricity plans. Lighting and heating systems are largely inefficient, with incandescent lamps and fuel oil dominating. There is significant potential for energy efficiency improvements, particularly in heating and lighting. Cooling needs are minimal, and water heaters are mostly electric, offering further efficiency opportunities.

BUSINESS, NOT-FOR PROFIT AND INSTITUTIONAL SECTOR p. p. 167
BUSINESS, NOT-FOR PROFIT AND INSTITUTIONAL SECTOR The commercial sector accounts for businesses, not-for-profits and institutional customers. In Nova Scotia, there are 37,679 accounts that are represented by the Small Business Advocate. Th...

AI summary The commercial sector in Nova Scotia includes businesses, not-for-profits, and institutional customers. It is divided into different rate classes, with the majority of accounts represented by the Small Business Advocate. The sector uses a variety of lighting technologies, with fluorescent lighting being dominant, and has significant opportunities for energy efficiency improvements, particularly in lighting controls and space cooling systems.

Year Residential Energy Savings (GWh) Business, Not for Profit and Institutional Savings (GWh) Residential Demand Reduction (MW) Business, Not for Profit p. pp. 167-170
Year Residential Energy Savings (GWh) Business, Not for Profit and Institutional Savings (GWh) Residential Demand Reduction (MW) Business, Not for Profit and Institutional Demand Reduction (MW) Fully Allocated Residential Expenditure ($ mi...

AI summary The document presents tables summarizing energy savings and expenditures related to efficiency programs in Nova Scotia and other jurisdictions. It includes data on residential and business energy savings, demand reduction, and expenditure allocations from 2010 to 2014. It also compares unit costs of conservation and energy savings percentages across different regions.

Program Name Program Offer and Incentive Structure p. pp. 171-175
Table 15 : ENS Program Overview Program Name Program Offer and Incentive Structure Type of Program (for CE modelling purposes) Residential Profile An online assessment tool is provided for customers to enter information about their home an...

AI summary The document outlines two ENS programs: the Residential Profile, which offers free online energy assessments without incentives, and Instant Savings, which provides immediate discounts on energy-efficient products for residential customers.

For the Instant Savings Program, CLEAResult has the following recommendations: p. p. 193
For the Instant Savings Program, CLEAResult has the following recommendations: General Principle Current Activities Recommended Activities Understand Customer Motivation and Barriers for Participation For Instant Savings, EfficiencyOne gai...

AI summary CLEAResult recommends conducting annual price sensitivity research for popular program measures and continuing annual surveys to evaluate customer motivation and barriers for the Instant Savings Program. They also suggest using semi-annual surveys for residential LED technology to better understand customer behavior.

Program Net Savings (GWh) Expenditure p. p. 26
Program Net Savings (GWh) Expenditure Appliance Retirement 58 Not available Retailer Coupons 280 Not available Heating & Cooling Incentive 174 Not available Home Assistance Program 55 Not available Other Residential Programs 5 Not availabl...

AI summary The document presents a table showing energy efficiency programs with their net savings and expenditures, followed by another table with TRC and PAC values for different program categories. The data provides insights into the performance of energy efficiency initiatives across residential, business, and industrial sectors.

ONTARIO CORE PROGRAM OFFERINGS (RESIDENTIAL AND BUSINESS) p. p. 26
ONTARIO CORE PROGRAM OFFERINGS (RESIDENTIAL AND BUSINESS) Currently, the conservation programs in Ontario cover the residential, low income, small business, commercial and industrial, and large industrial sectors. The programs cover financ...

AI summary Ontario's conservation programs target multiple sectors, offering financial incentives and support for energy efficiency. The province has implemented rigorous evaluations and updated baselines, such as T8 lighting, and recently introduced a pay-for-performance framework for LDC funding, marking a first in North America.

Program Name Program Area Program Measures p. p. 26
APPENDIX A-2: ONTARIO GAS (UNION GAS) Program Name Program Area Program Measures Links Heating & Cooling Incentive Residential This program features mail-in or online submission of rebates through participating HVAC contractors for qualify...

AI summary This appendix outlines a residential heating and cooling incentive program offering rebates for high-efficiency furnaces and central air conditioners. The incentives are based on up-front cost differences and program cost-effectiveness, with a specific equipment mix allocation.

Section 642 p. p. 37
- Participants in the Home Reno Rebate program - Homes built in the Optimum Home new construction program - Participants in the RunSmart and Strategic Energy Management programs

AI summary The text lists participants in various energy efficiency and home renovation programs, including the Home Reno Rebate, Optimum Home new construction program, RunSmart, and Strategic Energy Management programs.

Figure 23: Union Gas Targets & Performance Metric[s](#page-37-0) 4 p. p. 37
Figure 23: Union Gas Targets & Performance Metric[s](#page-37-0) 4 Resource Acquisition Scorecard OEB OEB OEB Approved OEB OEB OEB OEB OEB Approved Resource Acquisition - Residential Approved Budget Approved CCM Targets Participant Targets...

AI summary The text presents a table from Union Gas detailing targets and performance metrics for resource acquisition programs, including budget figures and targets for residential and commercial/industrial initiatives, with some programs being rejected or revised.

Annual Savings Target: 884GWh p. pp. 37-45
Annual Savings Target: 884GWh Figure 25: Customer Count and Loads 1 Customers Count Electricity Sold 2014 (Gigawatt Hours) Residential 1,709,071 17,965 Light Industrial and Commercial 201,812 18,501 Large Industrial 177 13,994 Other 3,489...

AI summary The document presents a table of customer counts and electricity sold by customer type in Nova Scotia, with residential customers making up the majority. It also compares this data to BC Hydro, where residential accounts account for about 90% of customer accounts.

- 4. Net Levelized cost ($/kWh)1 = PV (costs all benefits except for electric energy benefits) / PV (energy savings) p. pp. 46-50
- 4. Net Levelized cost ($/kWh)1 = PV (costs all benefits except for electric energy benefits) / PV (energy savings) Benefits Costs Behaviour Program5 This program intends to inform and educate residential customers about their electricity...

AI summary This section outlines two residential energy efficiency programs: a Behaviour Program that incentivizes customers to reduce electricity consumption by 10% over one year, and a Lighting Program that promotes the use of energy-efficient lighting products.

Program Analysis p. p. 82
Program Analysis Initiatives Target Market Incentive Setting Methodology Residential Electric Residential customers looking to upgrade HVAC, water heater, or Rebate for HVAC systems, electric heat pump water heater, and programmable thermo...

AI summary The document outlines residential energy efficiency initiatives, targeting customers looking to upgrade HVAC, water heaters, and programmable thermostats. Incentives are provided in the form of rebates, with amounts determined based on the efficiency of the equipment.

EFFICIENCY VERMONT CORE PROGRAM OFFERINGS (RESIDENTIAL AND BUSINESS) p. p. 102
EFFICIENCY VERMONT CORE PROGRAM OFFERINGS (RESIDENTIAL AND BUSINESS) Program Name Program Area Program Measures (Prescriptive Incentives) Links Electronics Residential  Advanced Power Strips Incentive provided through a coupon at particip...

AI summary The document outlines the core program offerings for residential and business customers under Efficiency Vermont, including incentives for electronics and heating, cooling, and ventilation systems. Rebates are provided through various mechanisms, including coupons and mail-in forms, based on product qualifications and specifications.

Figure 49: Number of Customer Accounts 2 p. p. 102
Figure 49: Number of Customer Accounts 2 Maine T2 All sectors 805,178 806,103 806,950 819,638 Residential (24) 709,288 710,160 710,988 721,508 ··· Commercial 72 92,844 92,884 92,896 95,047 ···· Industrial (2) 3,046 3,059 3,066 3,083 Transp...

AI summary Figure 49 presents the number of customer accounts in Maine across different sectors from 2015, showing an increase in residential and commercial accounts. Figure 50 lists customer rates for residential, commercial, and industrial sectors in 2015, with Efficiency Maine providing specific rates. The data is sourced from a 2015 annual report.

Figure 53: Natural Gas Consumption (Maine) 8 p. p. 107
Figure 53: Natural Gas Consumption (Maine) 8 2010 2011 2012 2013 2014 2015 Total Consumption 77,575 71,690 68,266 64,091 60,661 Pipeline & Distribution Use 1,753 2,399 762 844 1,300 Volumes Delivered to Consumers 75,821 69,291 67,504 63,24...

AI summary The document presents data on natural gas consumption in Maine from 2010 to 2015, detailing total consumption, pipeline and distribution use, and volumes delivered to consumers by sector. It also includes customer rates for 2014, highlighting the rates charged by Efficiency Maine for different sectors.

Figure 61: Benefit- Cost Ratios: Electric Programs 2015 [12](#page-110-0) p. p. 110
Figure 61: Benefit- Cost Ratios: Electric Programs 2015 [12](#page-110-0) Adjusted Gross Benefit-to-Cost-Ratio Net I Benefit-to-Cost-F Ratio Programs TRC PACT Last Evaluation Net to Gross Ratio TRC PACT Business Incentive Program Electric...

AI summary Figure 61 and Figure 62 present benefit-cost ratios for electric and natural gas programs in 2015, including programs such as the Business Incentive Program and Low-Income Direct Install Initiative. These figures highlight the adjusted gross benefit-to-cost ratios and net-to-gross ratios for various programs, providing insights into their cost-effectiveness.

Figure 63: Electric Program Expenditures 2015 [12](#page-110-0) p. p. 110
Figure 63: Electric Program Expenditures 2015 [12](#page-110-0) Program Incentive Delivery Total Business Incentive Program Electric Measures $15,642,304 $1,520,601 $17,162,905 Large Customer Program Electric Measures $6,439,194 $544,245 $...

AI summary Figure 63 presents electric program expenditures in 2015, detailing various programs and their associated incentive, delivery, and total costs. Programs include business incentives, home energy savings, low-income initiatives, and cross-cutting strategies, with total expenditures reaching over $45 million for electric measures and additional costs for natural gas and other fuels.

NATIONAL GRID CORE PROGRAM OFFERINGS (RESIDENTIAL AND BUSINESS) p. p. 122
NATIONAL GRID CORE PROGRAM OFFERINGS (RESIDENTIAL AND BUSINESS) Program Name Program Area Program Measures Links No Cost Home Energy Assessments     Residential and Low Income  For homeowners of 1-to-4 unit homes For landlords of 1-to...

AI summary The document outlines National Grid's core program offerings for residential and business customers, including no-cost home energy assessments and lighting and appliance programs with instant price discounts and rebates for energy-efficient products.

The table below outlines key findings and observations derived from the documentation review. p. p. 186
The table below outlines key findings and observations derived from the documentation review. Element Documentation review findings General comments and considerations Talent acquisition & Onboarding Program Hiring process: Talent acquisit...

AI summary The document discusses challenges in hiring mid-level engineering talent and the onboarding process at EfficiencyOne. The hiring process for mid-level engineers is slow, with only 16% of applicants meeting qualifications. The onboarding process has a high satisfaction rate but is overly paperwork-dependent. Recommendations include implementing a tiered referral program and conducting interviews with successful mid-level engineers.

E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL p. p. 3
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.

Preamble p. pp. 26-147
- these measures is the sector to which they are applied. - The Custom provides large business, non-profit, and institutional (BNI) participants with technical - assistance, financial incentives, and project financing to help reduce their...

AI summary The Custom program provides technical and financial support to large businesses, non-profits, and institutions to reduce electricity consumption and peak demand. It includes services like Retrofit, New Construction, Building Optimization, and Pay-for-Performance. Eligibility is based on annual electricity consumption, and savings are normalized on a per GWh basis.

4.1.4 NET TO GROSS p. pp. 93-95
4.1.4 NET TO GROSS Value: 1.0 Source: As set out in the 2024 DSM Program Evaluation Reports, [31](#page-93-6) free-ridership and spillover effects are nil since participants are non-profits or low-income housing owners with limited budgets...

AI summary The document discusses the Net to Gross (NTGR) value of 1.0 applied to the 2024 DSM Program Evaluation Reports due to nil free-ridership and spillover effects from participants in non-profit or low-income housing. It also outlines the direct installation cost, energy savings, and coincident peak demand savings associated with the program. The Efficient Product Installation (EPI) program is highlighted, focusing on the installation of energy-efficient products and its role in residential demand response.

Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [34](#page-97-2) p. pp. 96-97
Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [34](#page-97-2) Products Participant Type NTGR Proportion of Product Category Gross Savings by Participant Type Overall NTGR Values LED Lamps and Ligh...

AI summary The table provides data on the Net Transmission and Generation Reduction (NTGR) values for various energy efficiency products, categorized by participant type (low-income and non-low-income), along with the proportion of gross savings by participant type. The data is sourced from Table 37 of the 2024 Existing Residential Evaluation.

4.2.6.1 Energy Savings (kWh) p. p. 97
4.2.6.1 Energy Savings (kWh) Value: 377.22 - Source: Average savings value calculated using recent tracked savings for this measure. - Details: In practice, energy savings calculations are based on specification data for each rebated unit....

AI summary The energy savings value for the low-flow showerhead measure is calculated at 377.22 kWh/year using a formula that incorporates parameters such as hot water reduction, efficiency factors, and usage patterns, based on the 2024-2025 DSM Measure Assessment.

- summary table from this section is reproduced below. p. pp. 105-106
- summary table from this section is reproduced below. Parameter Instant Sav MHEEP, A E PI Reference Measure Description and Identification Measure Smart thermos floor heating stats cont rolling electric ba aseboard s, MSHP or ele ctric in...

AI summary The table presents parameters for residential space heating measures, including smart thermostats and electric heating systems. It details installation rates, effective useful life, energy savings, and peak demand savings. The document is part of a 2024-2025 DSM Measure Assessment.

Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [42](#page-106-4) p. p. 106
Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [42](#page-106-4) Products Participant Type NTGR Proportion of Product Category Gross Savings by Participant Type Overall NTGR Values LED Lamps and Lig...

AI summary The table shows the proportion of product category gross savings by participant type, including non-low-income and low-income participants, for various energy efficiency products. It also includes NTGR values and overall NTGR values for each product category.

4.5.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. p. 109
4.5.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) EPI__HVAC_SMAT_EPI_002.5__0 Measure ID (Incremental Cost) N/A Common Measure Name Smart thermostats for electric baseboards - MURB Sector Residential Program Name Exist...

AI summary This section outlines a measure related to the installation of smart thermostats for electric baseboards in the residential sector under the Existing Residential program component, specifically the Efficient Products Installation (EPI) initiative.

4.7 EPI__WNDW_FLM_EPI_001__0 WINDOW FILM KITS p. pp. 116-117
4.7 EPI__WNDW_FLM_EPI_001__0 WINDOW FILM KITS - EPI provides participants with free-of-charge direct installations of energy efficient products. EPI has - played a pivotal role in transforming the residential lighting market by making ener...

AI summary EPI provides free direct installation of energy-efficient products, focusing on electrician-installed measures to support residential demand response. It is funded by electricity ratepayers and the Nova Scotia government's Green Fund. The program has evolved to phase out lighting measures as LEDs became standard.

4.7.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. p. 117
4.7.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Incremental Cost) N/A Common Measure Name Window Film Kits Replacement Type RET DI Flag 1 Measure ID (Plan) EPI__WNDW_FLM_EPI_001__0 Sector Residential Program Name Existing...

AI summary This section outlines the defining characteristics of the 'Window Film Kits' measure under the Efficient Products Installation program for residential customers. It includes details such as measure identifiers, replacement type, sector, and program component.

Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [54](#page-119-3) p. p. 119
Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [54](#page-119-3) Products Participant Type NTGR Proportion of Product Category Gross Savings by Participant Type Overall NTGR Values LED Lamps and Lig...

AI summary The table presents data from Table 37 of the 2024 Existing Residential Evaluation, showing the proportion of product category gross savings by participant type and NTGR values for various energy efficiency products. It highlights differences in savings between low-income and non-low-income participants.

4.8 HEA_HVAC_BE_CI HEA BUILDING ENVELOPE - CUSTOMER INSTALLED p. pp. 119-122
4.8 HEA_HVAC_BE_CI HEA BUILDING ENVELOPE - CUSTOMER INSTALLED - HEA is a home energy evaluation-based program component that encourages homeowners to improve - the energy efficiency and comfort of their homes by providing them with related...

AI summary The HEA Building Envelope - Customer Installed program provides energy efficiency evaluations and rebates to homeowners in Nova Scotia. The Canada Greener Homes Grant, co-delivered through HEA, was closed to new applications in February 2024, ending support for certain measures. Some low uptake and demand reduction measures were removed from the program in 2022, but existing rebates remain valid for prior enrollments.

4.8.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. p. 122
4.8.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) HEA_HVAC_BE_CI Measure ID (Incremental Cost) HEA_HVAC_BE_CI Sector Residential Program Name Existing Residential Program Component Home Energy Assessment Replacement Ty...

AI summary This section outlines a specific energy efficiency measure under the Existing Residential program, focusing on the Home Energy Assessment component for building envelope improvements installed by customers. It includes measure identifiers, sector, program name, and replacement type.

4.9.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. p. 126
4.9.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) HEA_HVAC_HP_CI Measure ID (Incremental Cost) HEA_HVAC_HP_CI Common Measure Name HEA Heat Pump - Customer Installed Sector Residential Program Name Existing Residential...

AI summary This section outlines a measure for customer-installed heat pumps under the Home Energy Assessment program in the residential sector. The measure has a life of 18 years and is part of the Existing Residential program component.

Values, page 162 (PDF 336/1442). p. pp. 127-128
Values, page 162 (PDF 336/1442). 2024-2025 DSM Measurement Assessment - Residential, Table 53: Mini-split Heat Pump Measure Summary, page 55 (PDF 72/159) Measure Free-ridership Participant Spillover NTGR Energy Efficiency Measures 17% 40/...

AI summary The document discusses the 2024-2025 DSM Measurement Assessment for residential energy efficiency, specifically focusing on Mini-split Heat Pump measures. It includes a table showing free-ridership, participant spillover, and NTGR values for Energy Efficiency and Solar PV measures. The section also introduces a discussion on incremental cost.

- HomeWarming program. See Table 22[57](#page-130-0) 2 of the 2024 Existing Residential Evaluation Report. p. p. 128
- HomeWarming program. See Table 22[57](#page-130-0) 2 of the 2024 Existing Residential Evaluation Report. Modelled Measures Non-modelled Heat Pumps Smart Thermostats Appliance Replacements Total 880 254 79 - 1,193 3.111 0.197 0.049 0.041...

AI summary The text references the HomeWarming program and Table 22 from the 2024 Existing Residential Evaluation Report, which contains data on modelled and non-modelled measures, including heat pumps, smart thermostats, and appliance replacements.

4.10 HW_BE_EI HW BUILDING ENVELOPE - E1 INSTALLED p. pp. 130-131
4.10 HW_BE_EI HW BUILDING ENVELOPE - E1 INSTALLED ASFH provides energy efficient retrofits and heat pump installations to income-qualified Nova Scotian owners of both electrically heated and non-electrically heated homes at no cost to part...

AI summary The HomeWarming (HW) and Affordable Solutions for Home Efficiency (ASFH) programs provide energy efficiency retrofits and heat pump installations to income-qualified Nova Scotian homeowners. HW focuses on building envelope measures and is delivered by E1 since 2023, while ASFH targets homes primarily heated with electricity. Participants may also access the Efficient Product Installation (EPI) and Oil to Heat Pump Affordability (OHPA) programs.

13 4.10.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. pp. 131-132
13 4.10.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) HW_BE_EI Measure ID (Incremental Cost) HW_BE_EI Common Measure Name HW Building Envelope - E1 Installed Sector Residential Program Name Existing Residential Program...

AI summary This section outlines the measure identifiers and defining characteristics for the HW Building Envelope - E1 Installed program under the Affordable Single-Family Homes component of the Existing Residential Program. It specifies the measure ID, sector, program name, replacement type, unit basis, and DI flag, and provides the measure life of 20.5 years with a source citation.

13 4.11.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. pp. 136-137
13 4.11.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) HW_HP_EI Measure ID (Incremental Cost) HW_HP_EI Common Measure Name HW Heat Pump - E1 Installed Sector Residential Program Name Existing Residential Program Compone...

AI summary This section outlines a measure related to the installation of heat pumps in existing residential homes under the Affordable Single-Family Homes program component, with details on measure identifiers, sector, program name, and replacement type.

4.11.5 DIRECT INSTALL COST p. pp. 138-139
4.11.5 DIRECT INSTALL COST - Value: 6,240.00 (in $2025) - Unit Basis: per project - Source: Per E1 program tracking. - Details: T his value was derived from an analysis of 2024 program tracking data. The analysis was limited - to HomeWarmi...

AI summary The document provides details on the direct install cost of HomeWarming heat pump projects, valued at $6,240 per project in 2025 dollars, based on 2024 program tracking data. It also outlines energy savings of 912 kWh for mini-split heat pumps, calculated using data from the Home Energy Assessment (HEA) and Green Heat.

- HomeWarming program. See Table 22[60](#page-140-0) of the 2024 Existing Residential Evaluation Report p. pp. 139-140
- HomeWarming program. See Table 22[60](#page-140-0) of the 2024 Existing Residential Evaluation Report 2024-2025 DSM Measurement Assessment - Residential, Table 53: Mini-split Heat Pump Measure Summary, page 55 (PDF 72/159) Measure Catego...

AI summary The HomeWarming program is discussed in the context of the 2024-2025 DSM Measurement Assessment, with data on energy and peak demand savings from the Mini-split Heat Pump Measure. The table provides details on the number of participants, energy savings, and effective useful life of the measures.

1 4.12.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. pp. 141-142
1 4.12.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) IS_HVAC_HP Measure ID (Incremental Cost) HEA_HVAC_HP Common Measure Name Mini-Split Heat Pump Sector Residential Program Name Residential Efficient Product Rebate Pr...

AI summary This section outlines the measure identifiers and defining characteristics for the Mini-Split Heat Pump under the Residential Efficient Product Rebate program, including its sector, program component, and replacement type. It also provides the measure life of 18 years.

- DSM Evaluation- Existing Residential Program, page 157 (PDF 183/229). p. p. 144
- DSM Evaluation- Existing Residential Program, page 157 (PDF 183/229). Description Value Unit Source Energy Savings per Btu/h 0.076kWh/Btu/H pdf page 183/229 kW/ kWh Ratio 0.00159 Calculated from Table 21 Energy Savings per ton 912kWh/Ton...

AI summary The document presents a table with energy savings metrics for a new residential program measure. The values include energy savings per Btu/h, kW/kWh ratio, energy savings per ton, and peak demand savings per ton. The details mention that detailed savings methodologies will be determined alongside E1's evaluator.

- HomeWarming program. See Table 22[62](#page-145-0) 2 of the 2024 Existing Residential Evaluation Report. p. p. 144
- HomeWarming program. See Table 22[62](#page-145-0) 2 of the 2024 Existing Residential Evaluation Report. Measure Category Modelled Non-modelled Heat Pumps Smart Thermostats Appliance Replacements Total Number of Participants with Savings...

AI summary The HomeWarming program's performance is evaluated in Table 22 of the 2024 Existing Residential Evaluation Report, which includes data on energy savings, participant numbers, and peak demand reductions from various measures such as heat pumps and smart thermostats.

12 4.14.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. p. 148
12 4.14.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) IS__HVAC_TSTAT_001__0 Measure ID (Incremental Cost) RES__HVAC_TSTAT_001__0 Sector Residential Program Component Instant Savings Replacement Type RET Unit Basis Per...

AI summary This section outlines a measure for residential demand-side management, specifically the installation of smart thermostats for mini-split heat pumps under the Residential Efficient Product Rebates program.

12 4.15.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS p. p. 152
12 4.15.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) IS__HVAC_TSTAT_002__0 Measure ID (Incremental Cost) IS__HVAC_TSTAT_002__0 Sector Residential Program Component Instant Savings Replacement Type RET Unit Basis Per u...

AI summary This section outlines a measure for residential efficient product rebates, specifically focusing on smart thermostats for electric baseboards. It includes measure identifiers, sector, program component, and other defining characteristics.

5 p. p. 158
5 1 Request IR-39: 2 3 Appendix A - Preferred Plan pp. 1-112 (Attach. 1-5) 4 5 (a) Regarding Section 2.2.2 "Residential Behaviour Program": 6 i) Pdf pg. 93 states: "In 2023, E1 collaborated with NS Power to address program 7 overlap betwee...

AI summary The document outlines requests for clarification regarding E1's Residential Behaviour Program, allocation of energy savings in the Preferred Plan, and the rationale for increasing DSM spending despite decreasing energy savings. It highlights concerns about program overlap, communication with NS Power, and the effectiveness of the DSM plan.

Section 1631 p. p. 158
1 (d) The higher per-unit cost of Residential sector programs reflects the structure of that 2 customer base, not an inefficient allocation of resources. Residential customers represent 3 approximately 519,000 customers, or 91 percent of N...

AI summary The Residential sector programs have higher per-unit costs due to the large customer base and the need for diverse and equitable program delivery. E1 emphasizes that the allocation of resources aligns with the Balanced Plan Principles and that shifting investment to BNI would not meet the needs of Residential customers or align with these principles.

No. Technology Description 2025 Action p. p. 199
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.

3.4.1.1 DHW DLC direct install p. p. 3
3.4.1.1 DHW DLC direct install There are three strategic objectives of the DHW DLC direct install pilot, centered around demand response capability, as follows. The first objective is to work closely with services, business development man...

AI summary The DHW DLC direct install pilot has three strategic objectives: evaluating EPI DHW DLC delivery for MURBs, designing solutions for central hot water control in MURBs and other segments, and testing flexible load use cases for DHW controllers. The pilot aims to achieve significant demand response capacity by targeting MURBs and other customer segments.

3.4.1.4 Heat pump commissioning and configuration p. p. 3
3.4.1.4 Heat pump commissioning and configuration This pilot will begin in Q2 of 2025 and will focus on configuration of HVAC controls for residential homes with Mini Split Heat Pumps (MSHPs) and other electric heating equipment. MSHPs are...

AI summary A pilot program starting in Q2 2025 will focus on configuring HVAC controls for residential homes with Mini Split Heat Pumps (MSHPs) and other electric heating equipment to improve energy efficiency and address control scheme inefficiencies that lead to over-utilization of secondary heat sources.

3.4.3.1 Deep Retrofit Navigator pilot p. p. 3
3.4.3.1 Deep Retrofit Navigator pilot The Deep Retrofit Navigator pilot was designed to provide comprehensive project management support, from an assigned project "Navigator", to complete deep energy retrofits for homeowners in HRM. The pi...

AI summary The Deep Retrofit Navigator pilot provided project management support to homeowners in HRM for deep energy retrofits, offering rebates and financing to reduce financial barriers. The pilot yielded 533 GJ/year in energy savings and identified customer segments and financing risks for future initiatives.

8 Table 2: Correction of Appendix B Table 1 - Rate and Bill Impacts by Rate Class as a Result of 2027-2031 DSM 9 Preferred Plan Activities p. p. 3
8 Table 2: Correction of Appendix B Table 1 - Rate and Bill Impacts by Rate Class as a Result of 2027-2031 DSM 9 Preferred Plan Activities Rate Class Rate Codes Average Rate Impact (%) Average Rate Impact (cents/kWh) Participant Average Bi...

AI summary The document discusses the impact of the 2027-2031 DSM 9 Preferred Plan activities on customer bills, noting that Solar-PV participants experience bill reductions from 2028 to 2055, while non-participants see neutral to increased bill impacts. Overall, customer bills are expected to increase during 2028–2031 but decrease from 2032 onward, with the most significant effects observed in the Residential rate class.

19 p. pp. 27-29
19 Tracked Evaluated Difference in Reason for Difference Program Component Annual Net Annual Net Net Savings between Tracked and Savings (GWh) Savings (GWh) (GWh) Evaluated 11.430 -4.551 Tracked used previous NTGRs for non-lighting Instant...

AI summary The document compares tracked and evaluated annual net savings for various program components, highlighting discrepancies due to differences in NTGR calculations and the inclusion of unclaimed savings. The Instant Savings program had a significant difference due to the use of previous NTGRs for non-lighting products, while the Affordable Single Family Homes program had a minor difference due to unclaimed savings from 2024.

E-13E1 (NS Power) RIRs 1-16 4 passages
11 Table 3: Number of Solar-PV Systems Installed by Year
11 Table 3: Number of Solar-PV Systems Installed by Year Number of Solar PV systems 2020 2021 2022 2023 2024 2025 BER-AR N/A N/A N/A N/A 13 38 Custom 3 15 16 32 24 11 13 Table 4: Estimated Total Installed Capacity by Year Estimated Total I...

AI summary The text presents data on the number of solar-PV systems installed, estimated total installed capacity, and estimated total generation by year from 2020 to 2025. It also notes that E1 did not have non-DSM funding available for Solar PV projects from 2020–2025, except for eligibility under the Home Energy Assessment program during 2023–2025.

Section 22
5 (b) E1 is currently planning to offer heat pump cleanings to eligible participants every two to 6 three years, with up to three cleanings offered over the effective useful life (EUL) of the 7 measure, which is set at two years per cleani...

AI summary E1 plans to offer heat pump cleanings to eligible participants every two to six years, with up to three cleanings over the effective useful life of the measure, to protect energy savings and maintain equipment performance. This aligns with E1's goal of maximizing savings from prior heat pump installations and ensuring equitable service delivery.

Section 26
icant market gaps for Heat Pump Water Heaters in availability, installer technicalskills, high incremental cost, as well as awareness and education among both supply chain participants and consumers. Among consumers, there is a lack of awa...

AI summary The text discusses challenges in the adoption of Heat Pump Water Heaters (HPWHs) in Nova Scotia, including low consumer awareness, lack of technical knowledge among installers, and limited product availability. E1 has initiated market interventions such as engaging OEMs, providing training, and ensuring product availability to address these issues.

Section 27
sessions with multiple leading manufacturers to raise awareness, address misconceptions and provide proper installation techniques to increase comfort and confidence recommending and installing HPWHs. • Public awareness campaigns via socia...

AI summary The text outlines interventions to promote the adoption of heat pump water heaters (HPWHs) in Nova Scotia, including public awareness campaigns, engagement with distributors, and improvements to incentive programs. These efforts aim to increase HPWH recommendations, improve installation quality, and reduce costs over time.

E-14E1 (SBA) RIRs 1-8 1 passage
Section 6 p. p. 6
AT) research with Business, Non-profit, and Institutional (BNI) program participants, including small business customers other than multi-unit residential businesses. This CSAT research is designed to 1 provide a consistent, ongoing measur...

AI summary This text discusses the Customer Satisfaction (CSAT) research conducted with Business, Non-profit, and Institutional (BNI) program participants, including small business customers. The research aims to measure customer experience and satisfaction over time, with results aggregated and analyzed quarterly and annually.

E-15E1 (SNS) RIRs 1-15 6 passages
8 p. p. 1
8 Measure / Channel Units First-Year Savings Total Incentive $/kWh Share of Residential EE Air purifiers - Instant Savings 39,000 21.3 GWh $1.34M $0.063 16.9% Smart thermostats - Instant Savings 52,500 21.1 GWh $1.35M $0.064 16.7% Smart th...

AI summary The table presents data on energy efficiency measures, including air purifiers and smart thermostats, highlighting savings, incentive amounts, and their share of residential energy efficiency. The data includes units, first-year savings, total incentives, cost per kWh, and the percentage of residential energy efficiency.

Section 4 p. p. 1
the higher-cost channel rather than relying primarily on the lower-cost Instant Savings channel. 18 19 (d) Provide the Efficient Product Installation PAC result with smart thermostats removed. (e) Confirm whether smart thermostats delivere...

AI summary The response discusses the use of different channels for delivering smart thermostats, noting the higher costs of the Efficient Product Installation (EPI) channel compared to the Instant Savings channel. It highlights customer barriers such as affordability, installation requirements, and lack of authority for renters, which affect participation in retail programs.

Section 14 p. p. 5
(d) Over 2023–2025, E1 administered a provincially funded portion of HEA for customers who primarily heat their homes with non-electric fuels, along with a moderate-income rebate top up for eligible customers. Many homes use a mix of elect...

AI summary E1 administered a provincially funded portion of the Home Energy Assessment (HEA) program and a moderate-income rebate top-up from 2023–2025. They also co-administered the Canada Greener Homes Grant, which provided substantial incentives. The program's participation and savings grew significantly since 2021, with DSM recovering $3.2 million from the Canada Greener Homes Grant between 2023–2025. No further recoveries are expected after 2026.

Preamble p. p. 5
- (b) Please refer to part (a) of this IR response. - Please refer to part (a) of this IR response. 16 (c) - (d) All the measurements (cost-effectiveness, bill impacts, savings) and benefits of the various resources and measures were consi...

AI summary The response to IR-06 confirms that the 2027-2031 DSM Plan does not include a general residential new construction program beyond Mi'kmaw New Home Construction, as the provincially funded EnergyForward New Homes program already covers this area. The response also notes that no analysis of DR readiness during new construction was conducted, and no intention to revisit this during the Plan period was indicated.

15 p. p. 5
15 Assumed Unit Total Cost Per Unit Measure Capacity 2027 2028 2029 2030 2031 SBES – HVAC 1.5 ton $26,601 $27,136 $27,681 $28,238 $28,805 SBES – Packaged 0.8 ton $2,751 $2,861 $2,976 $3,095 $3,219 Terminal Heat Pump SBES – Ductless Mini Sp...

AI summary The table presents the assumed unit costs for various heating and cooling measures from 2027 to 2031, including split heat pumps and terminal heat pumps, with associated costs increasing over time.

Section 46 p. p. 5
rams 2 and goals of E1's activities and to elicit feedback from our partners and industry 3 stakeholders to ensure that offerings are pertinent and to identify and address potential 4 issues early. 5 6 (b) The core role of the EPP network...

AI summary E1 seeks feedback to optimize program delivery, improve rebate structures, and address risks in the market. Examples include campaigns against risky heat pump contractor practices, reducing HomeWarming program backlogs by 47% in 2025, and modifying HPWH rebate access for contractors. These actions enhance program efficiency and customer experience.

E-16E1 (Synapse) RIRs 1-90 29 passages
Table 2: Key Initiatives in Round 1 p. p. 11
Table 2: Key Initiatives in Round 1 Program Program Component Initiative Description New Residential Advanced New Homes New program component to help Mi'kmaw communities build high performing homes Solar-PV Residential New DSM resource – t...

AI summary Table 2 outlines key initiatives in Round 1, including new program components for Mi'kmaw communities, non-profits, and new categories like Enabling Strategies. Section 2.3 discusses cost-effectiveness testing as a key consideration in the proceeding.

Table 6: Scenario 1EE-Base – Round 1 Modelling Results p. p. 14
Table 6: Scenario 1EE-Base – Round 1 Modelling Results Scenario 1EE - Base (2027-2031) Investment ($ million) Lifetime TRC & PAC Benefits ($ million) NS Cost Test Lifetime Benefits ($ million) First Energy Savings (GWh) Lifetime Energy Sav...

AI summary Table 6 presents the results of Scenario 1EE-Base – Round 1 Modelling, detailing investment, energy savings, and cost benefits for residential and business energy efficiency programs in Nova Scotia from 2027 to 2031. The table highlights the financial and energy-saving impacts of various programs, including residential and business initiatives, as well as enabling strategies.

Table 7: Scenario 2EE-High – Round 1 Modelling Results p. p. 15
Table 7: Scenario 2EE-High – Round 1 Modelling Results Scenario 1EE - High (2027-2031) Investment ($ million) Lifetime TRC & PAC Benefits ($ million) NS Cost Test Lifetime Benefits ($ million) First Energy Savings (GWh) Lifetime Energy Sav...

AI summary The table presents the results of Scenario 2EE-High – Round 1 Modelling, detailing investment amounts, energy savings, and cost-benefit analyses for various energy efficiency programs in Nova Scotia, including residential, business, and enabling strategies. The data highlights the financial and energy-saving impacts of these programs.

Scenarios 1DR-Base & 2DR-High p. pp. 17-18
Scenarios 1DR-Base & 2DR-High - Base scenario aligns with a year over year average increase of 2.5 MW compared to the 2026 DSM Extension target of 16.3 MW. - High scenario aligns with achieving 90% of the Base DR in the IRP. - High scenari...

AI summary The Base scenario aligns with a 2.5 MW annual increase in demand response (DR) capacity, while the High scenario aims for 90% of the Base DR in the Integrated Resource Plan (IRP). The High scenario is driven by higher residential participation in Eco-Shift, particularly through DLC-smart thermostats and DLC-water heaters. These scenarios focus on demand-side management and capacity planning through 2031.

Table 12: Scenario 1Solar-PV-Base - Round 1 Modelling Results p. pp. 18-19
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.

Scenario 1Solar-PV-Base p. p. 19
Scenario 1Solar-PV-Base - The residential solar-PV is tied to Advanced New Homes which is being delivered to Mi'kmaw communities in Nova Scotia. - The BNI solar-PV is being delivered through the BER program component and is eligible to non...

AI summary The residential solar-PV initiative is linked to Advanced New Homes in Mi'kmaw communities, while the BNI solar-PV program is delivered through the BER program and is available to nonprofits in Nova Scotia.

Scenario 1SE-Base p. p. 20
Scenario 1SE-Base - Residential strategic electrification is being delivered through the Instant Savings program component. - BNI strategic electrification is being delivered through both the BER and Custom program components. - The measur...

AI summary Residential and BNI strategic electrification is being delivered through various programs, primarily involving heat pumps. E1 conducted a Rate Impact Measure (RIM) analysis to assess the impact of electrification on electricity costs as defined in the Public Utilities Act, evaluating both benefits and costs associated with the program.

4.3.4 DSM PROGRAMS p. p. 67
4.3.4 DSM PROGRAMS E1 will propose DSM programs within each DSM Resource Plan. DSM programs are offered to the Residential and the Business, Not-for-Profit and Institutional (BNI) sectors. Historically, DSM programs have included:: - Resid...

AI summary E1 will propose DSM programs for residential and BNI sectors, including rebates, incentives, and demand response initiatives. These programs have historically included a variety of efficiency and energy-saving measures for both residential and business sectors.

Energy Efficiency p. pp. 77-78
Energy Efficiency Energy Efficiency (EE) continues to be a crucial resource for Nova Scotia's electricity system as demonstrated in integrated resource planning by reducing system load and peak, improving grid reliability and lowering elec...

AI summary Energy efficiency (EE) is a critical resource for Nova Scotia's electricity system, reducing load and peak demand, improving grid reliability, and lowering costs. Nova Scotia Power's 2022 IRP identified Base EE as the optimal level, resulting in significant energy savings and cost-effectiveness. E1 has modeled scenarios based on stakeholder input and third-party recommendations, including energy savings targets and sectoral allocations.

Table 2: Scenario 1EE-Base – Round 2 Modelling Results p. p. 82
Table 2: Scenario 1EE-Base – Round 2 Modelling Results Scenario 1EE - Base (2027-2031) Investment ($ million) Lifetime PAC Benefits ($ million) First Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Weighted Aver...

AI summary Table 2 presents the results of Scenario 1EE-Base for the period 2027–2031, detailing investment amounts, energy savings, and program administrator costs for various residential and business energy efficiency programs in Nova Scotia.

Table 3: Scenario 2EE-High – Round 2 Modelling Results p. p. 83
Table 3: Scenario 2EE-High – Round 2 Modelling Results Scenario 1EE - High (2027-2031) Investment ($ million) Lifetime PAC Benefits ($ million) First Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Weighted Aver...

AI summary Table 3 presents the results of Scenario 2EE-High – Round 2 Modelling, which includes investment amounts, lifetime benefits, energy savings, and other metrics for various energy efficiency (EE) programs in Nova Scotia. The data covers residential, business, and enabling strategies programs, highlighting the financial and energy impacts of different initiatives.

Table 8: Scenario 1Solar-PV-Base - Round 2 Modelling Results p. p. 86
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.

DSM programs may include:as follows: p. p. 99
DSM programs may include:as follows: - Residential Efficient Product Rebates - Residential Existing Residential - Residential New Residential - Residential Energy Savings Actions - Business, Not-for-Profit and Institutional Efficient Produ...

AI summary The text outlines various Demand Side Management (DSM) programs that may be included, such as residential and business rebate programs, direct installation initiatives, and demand response programs, along with the possibility of adding other proposed DSM programs.

4.3.4 DSM PROGRAMS p. p. 150
4.3.4 DSM PROGRAMS E1 will propose DSM programs within each DSM Resource Plan. DSM programs are offered to the Residential and the Business, Not-for-Profit and Institutional (BNI) sectors. DSM programs may include:: - Residential Efficient...

AI summary E1 will propose DSM programs for residential and BNI sectors, including rebates, custom incentives, direct installation, and demand response initiatives as part of the DSM Resource Plan.

4.3.4 DSM Programs p. p. 163
4.3.4 DSM Programs E1 will propose DSM programs for Residential and the Business, Not-for-Profit and Institutional (BNI) sectors which may include Residential Efficient Product Rebates, Existing Residential, New Residential, BNI Efficient...

AI summary E1 is proposing a range of DSM programs targeting residential and BNI sectors, including rebates, direct installation, and demand response initiatives.

1 (c) Please identify other program components affected by the phase out of lighting measures p. p. 40
1 (d) Please see below for a list of key dates in the transition of the Residential lighting market. 2 EfficiencyOne (E1) discontinued all residential lighting support in 2025. E1 is unaware of 3 any associated building code implications....

AI summary EfficiencyOne (E1) discontinued residential lighting support in 2025 due to baseline changes that eliminated savings claims for LED products. The Efficient Product Installation program removed LED lamps and fixtures, but continues to offer lighting controls. Key dates include January 1, 2019, when baseline changes occurred, and June 15, 2025, when T8 LED lamp incentives were stopped.

10 p. p. 40
10 Date Events January 1, 2028 The effective useful life of remaining lamp products is anticipated to be reduced by roughly 66%, which will diminish lifetime savings potential. January 1, 2029 Evaluation baseline change is planned that wil...

AI summary The effective useful life of remaining lamp products is expected to decrease by 66%, reducing potential savings. In 2029, E1 will no longer offer incentives for BNI LED lamps or fixtures, impacting several programs including Business Energy Rebates and Affordable Multifamily Housing.

Preamble p. p. 69
eting and promotional efforts emphasized, given the limitations of the Residential Behavioral Program in contributing to marketing or promotional efforts? If so, which ones and how? Response IR-27: (a) EfficiencyOne (E1) did not assume in...

AI summary EfficiencyOne (E1) did not assume that the absence of the Residential Behavioral Program would impact savings targets in its 2027–2031 DSM Plan. To offset potential savings losses, E1 increased investments in other programs, achieving 50% offset through adjustments in incentive levels, direct installation budgets, and marketing support. No additional marketing efforts were made in other programs due to the program's removal.

Section 671 p. p. 72
ural program component (Residential Behaviour) in E1's energy efficiency programming was only being introduced in the 2023–2025 DSM Plan, so the roll-out of that behavioural program was pursued first. (b) In the BNI Demand Response program...

AI summary The response addresses the implementation of the residential behaviour program in E1's energy efficiency plan and the decision to focus on commercial and industrial curtailment in the BNI Demand Response program. It also references calculations related to the 2023–2026 Approved Rate Class Expenditures and Results.

10 Table 3: Low-Income and Equity Investment as a Percentage of Total Investment p. p. 72
10 Table 3: Low-Income and Equity Investment as a Percentage of Total Investment Year Energy Efficiency Residential Low-income & Equity (Incidental + Dedicated) ($ million) Energy Efficiency BNI Low income & Equity (Incidental + Dedicated)...

AI summary Table 3 presents data on low-income and equity investments in energy efficiency and solar-PV programs from 2027 to 2031. It shows the distribution of investments across residential and BNI categories, with the percentage of low-income and equity investment relative to total plan investment increasing slightly over the years.

15 Table 1: 2027-2031 Preferred Plan New Measures by Program Component p. p. 72
15 Table 1: 2027-2031 Preferred Plan New Measures by Program Component New Measure (Measure Name) Program Component HW - Heat Pump Cleanings Affordable Single-family Homes MHEEP – Heat Pump Cleanings Affordable Single-family Homes Mi'kmaw...

AI summary The document includes a table listing new measures for the 2027-2031 Preferred Plan, focusing on heat pump cleanings and solar-PV systems in affordable and Mi'kmaw new home construction. It also includes a request for information regarding increased incentives in residential and BNI energy efficiency programs, with a response directing to specific attachments for detailed financial data.

1 Request IR-37: p. p. 72
1 Request IR-37: 2 3 Page 39 of Appendix A – Preferred Plan states, "The conclusion of the federal government's 4 Canada Greener Homes Grant program in 2025 which provided incentive top ups and 5 subsidized energy audit costs directly impa...

AI summary The response to IR-37 discusses the impact of the Canada Greener Homes Grant program ending in 2024, which led to a significant decline in energy evaluations. E1 proposes increased incentives for the Home Energy Assessment program to boost enrollments and affordability, though at a lower level than the federal program due to cost considerations.

Section 692 p. p. 72
es energy managers to identify faulty or failing equipment for customers who use E1 Energy Management Services. (g) Yes, E1 agrees there could be value in this. (h) Yes, E1 sees opportunity in this. Request IR-41: Pages 44-45 of Appendix A...

AI summary E1 Energy Management Services acknowledges the value and opportunity in enhancing energy-efficiency offerings, particularly the Mi'kmaw New Home Construction program, which aims to support high-performance homes in Mi'kmaw communities. The program encourages near-net-zero energy consumption, though not all homes may achieve full net-zero due to factors like home size and occupancy.

Section 693 p. p. 72
eds may make it more challenging for some homes to reach net-zero, as larger or higher-occupancy homes may consume more electricity than a modestly-sized Solar-PV system can offset on an annual basis; • Home site conditions may limit Solar...

AI summary The document discusses challenges in achieving net-zero energy consumption for some homes due to factors like home size, site conditions, and financial constraints. E1 plans to use performance tiers and pro-rate incentives to ensure equitable support for Mi'kmaw residents, even if they cannot fully offset annual electricity consumption.

Section 694 p. p. 72
's core objective of supporting energy autonomy and reducing electricity costs for Mi'kmaw residents, consistent with the principle of equitable access and dedicated low-income and equity programming. Request IR-42: Page 45 of Appendix A –...

AI summary The response to Request IR-42 explains that 'D' audits are initial home energy evaluations used to determine the current state of a home and develop an upgrade plan. E1 proposes eliminating the customer co-pay for these audits to remove a financial barrier and increase participation, which has declined since the Canada Greener Homes Grant ended. The audit types and their costs are outlined in Table 1.

3 p. p. 72
3 Audit Name Description 2027 Cost per Audit Proposed Customer Co-pay D audit Initial home energy evaluation used to determine the current state of a home and develop an upgrade plan. $665.27 $0.00 E audit Final home energy evaluation used...

AI summary The document outlines the cost and customer co-pay for two types of home energy audits (D and E audits) and responds to a request regarding the implementation timeline for new energy efficiency measures in the Instant Savings Program. E1 explains that the 2028 start date for these measures is due to the anticipated late 2026 decision on the DSM Plan application.

1 Request IR-46: p. p. 104
(d) Please refer to part (c) of this IR response. Where E1 does not have any recent statistics on the number of homes eligible for the program, we are unable to comment on current trends. (e) At the end of 2025, E1 had served roughly 9,500...

AI summary E1 reports serving approximately 9,500 homes through the program by the end of 2025, but challenges remain in quantifying the proportion of eligible customers served due to fluid eligibility numbers. Pre-weatherization barriers are a challenge for some participants, and E1 does not have specific funding in the 2027–2031 DSM Plan for addressing these barriers.

1 Request IR-49: p. p. 104
1 Request IR-49: 2 3 Please refer to Table 36: 2027–2031 Custom Program Component on Page 69 of Appendix A – 4 Preferred Plan which states, "Enhancements in 2027-2031: Better support for E1's BNI Demand 5 Response program component by enco...

AI summary The response to Request IR-49 discusses the BNI Demand Response program, focusing on equipment compatibility, customer participation, and curtailment methods. It highlights that the program is technology-agnostic, plans to support residential customers with smart thermostats and heat pump water heaters, and primarily uses manual curtailment, with limited automatic control.

1 Table 1: 2027-2031 - Relationship between Portfolio, Resource, Sector, Program and Program Components p. p. 187
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.

E-17Savings Verification Report - BCC H. Gil Peach 24 passages
Verified Portfolio Results p. p. 4
Verified Portfolio Results The Econoler evaluation reports the following portfolio-level results for Program Year 2025: - Net peak demand reduction (installed measures): 23.556 MW - Available demand response capacity: 6.795 MW - Net first-...

AI summary The Econoler evaluation reports 2025 Verified Portfolio Results: 23.556 MW net peak demand reduction, 129.444 GWh first-year energy savings, and 1,476.864 GWh lifetime savings. Residential and BNI sectors contribute 36% and 63% respectively, with HEA and BNI programs as major drivers.

1. Evaluated Net Peak Demand Reduction at the Generator p. p. 27
1. Evaluated Net Peak Demand Reduction at the Generator In 2025, Efficiency Nova Scotia operated two residential programs (Residential Efficient Product Rebates and Existing Residential) with nine components; three BNI (business, non-profi...

AI summary In 2025, Efficiency Nova Scotia managed multiple residential and BNI programs, including demand response initiatives, with various components aimed at energy efficiency and demand reduction.

Table 3: Net Peak Savings at the Generator. p. p. 27
Table 3: Net Peak Savings at the Generator. 2025 DSM Portfolio Net Evaluated Peak Savings (at Generator) Residential Net Peak Savings (MW) Appliance Retirement 0.017 Rebate Programs Instant Savings 0.466 0.483 Affordable Multifamily Housin...

AI summary Table 3 presents the net peak savings at the generator for the 2025 DSM Portfolio, including contributions from various residential and business programs such as appliance retirement, instant savings, and efficient product installation. The overall DSM portfolio total is 23.556 MW, with data sourced from an evaluation report.

Table 4: 2025 and Lifetime Net Energy Savings at the Generator. p. p. 29
Table 4: 2025 and Lifetime Net Energy Savings at the Generator. 2025 Net Evaluated Energy Savings (at Generator) Annual (GWh) Lifetime (GWh) Rebate Appliance Retirement 0.115 0.461 106.969 Programs Instant Savings 11.430 11.545 106.508 100...

AI summary Table 4 presents 2025 and lifetime net energy savings at the generator for various programs, including rebate programs, residential and business initiatives, and energy efficiency measures. The data highlights the contributions of different programs to overall energy savings, with a focus on residential and business sectors.

Preamble p. pp. 29-52
Numbers may not exactly match evaluation report due to rounding. The relation of lifetime energy savings to net first year energy savings is shown in Figure 3. The programs are listed on the vertical axis and the multiplier for each progra...

AI summary Figure 3 illustrates the multiplier for energy savings across different programs, showing the ratio of lifetime energy savings to net first-year savings. Residential programs have a multiplier of fourteen, BNI programs have a multiplier of ten, and the overall portfolio has a multiplier of eleven.

Table 5: Planned Evaluations for 2025 Programs. p. pp. 32-33
Table 5: Planned Evaluations for 2025 Programs. Impact Evaluation Notes and Project Component Comprehensive Condensed Additional Evaluations Residential Appliance Retirement X Ended – January 2025 savings only Instant Savings X Affordable...

AI summary Table 5 outlines planned evaluations for 2025 programs, including the Appliance Retirement Program, Instant Savings, Affordable Multifamily Housing, and others. It details the types of evaluations (Impact, Comprehensive, Condensed) and notes such as program end dates and evaluation methods.

IX. Individual Program Component Review p. pp. 34-35
IX. Individual Program Component Review No programs have been added or removed since Program Year 2024. However, three programs were not continued into 2026: the Appliance Retirement Program, Green Heat, and the Residential Behaviour progr...

AI summary The document indicates that no new programs have been added or removed since Program Year 2024, but three programs—Appliance Retirement, Green Heat, and Residential Behaviour—were not continued into 2026. This results in nine residential programs, four BNI programs, and two Demand Response programs being counted for 2025.

A. Appliance Retirement Program (ARet) p. pp. 35-36
A. Appliance Retirement Program (ARet) The Appliance Retirement (ARet) program is one of two program components of the Residential Efficient Product Rebates program. Appliance Retirement advances the retirement of refrigerators and freezer...

AI summary The Appliance Retirement (ARet) program, part of the Residential Efficient Product Rebates program, retires inefficient appliances and offers rebates. Since 2012, 77,981 appliances have been retired. In 2025, only 285 appliances were retired, leading to a 95% decrease in energy and demand savings due to program discontinuation.

B. Instant Savings (IS) p. pp. 40-42
B. Instant Savings (IS) Instant Savings is the second component of the Residential Efficient Product Rebates program. Instant Savings is an instant cash rebate program offered to purchasers of energy efficient products, delivered by a Deli...

AI summary The Instant Savings (IS) program, part of the Residential Efficient Product Rebates, offers instant cash rebates for energy-efficient products. In 2025, changes include year-round rebates for some products and the removal of certain LED lamps and fixtures. Sales of energy-efficient products dropped significantly in 2025 compared to 2024, with control products becoming the most sold due to the removal of LED products.

C. Home Energy Assessment (HEA) p. pp. 42-44
C. Home Energy Assessment (HEA) Home Energy Assessment (HEA) is a component of the Existing Residential Programs. This program encourages homeowners to increase the efficiency and comfort of their homes by providing rebates for qualified e...

AI summary The Home Energy Assessment (HEA) program, part of residential energy efficiency initiatives, experienced a 41% drop in participation in 2025, attributed to the closure of the Canada Greener Homes (CGH) Grant. This led to a 35% decrease in average energy savings per household and a 62% decline in net energy savings. The evaluation process was robust, with accurate tracking and long-term federal coordination.

D. Green Heat p. pp. 44-46
D. Green Heat Green Heat, a component of Efficiency Nova Scotia's Existing Residential program, provides financial incentives for the installation of efficient heating systems that use fuel from renewable resources, including high-efficien...

AI summary Green Heat, part of Efficiency Nova Scotia's Existing Residential program, provides incentives for renewable heating systems. However, participation and energy savings have declined significantly since 2021, leading to the program's discontinuation by the end of 2025. The decline was attributed to higher incentives from other programs and reduced energy savings.

Efficient Product Installation (EPI) p. p. 48
Efficient Product Installation (EPI) Since 2027, the Efficient Product Installation program (EPI) has been transformative in the residential lighting market, providing free direct installation of energy-efficient products to homeowners and...

AI summary The Efficient Product Installation (EPI) program has evolved since 2027, focusing on residential energy efficiency through direct installation of products like LED lighting and smart thermostats. In 2025, the program shifted emphasis to electrician-installed measures and implemented improvements to increase smart thermostat installation rates and reduce customer dissatisfaction.

Efficiency Nova Scotia responded by: p. p. 48
Efficiency Nova Scotia responded by: - installing an automated educational email sent to customers who received smart thermostat, - implementing refresher training in July 2025 for EPI service providers, - requiring smart thermostat instal...

AI summary Efficiency Nova Scotia has implemented several measures to improve customer engagement and program effectiveness, including automated emails, training for service providers, mandatory smart thermostat installations, and new quality assurance processes.

EPI's two funding sources are: p. p. 48
EPI's two funding sources are: - 1. Electricity ratepayers to fund upgrades to reduce electricity consumption. - 2. Government of Nova Scotia and the federal Low Carbon Economy Fund funds upgrades that reduce the use of other fuels. The Ev...

AI summary The Evaluator reports on the 2025 performance of the Residential Efficient Product Installation (EPI) program, noting a decline in participants and efficient products installed compared to 2024. Energy savings also decreased, with LED lamps remaining the most common product type and smart thermostats contributing significantly to energy savings. The program's achievements fell short of its energy and peak demand savings targets.

H. [Affordable Single-Family Homes (ASFH)](bookmark://_Toc170668323/) p. pp. 55-58
H. [Affordable Single-Family Homes (ASFH)](bookmark://_Toc170668323/) Beginning in 2023, the Affordable Single-Family Housing (ASFH) program provides energy efficiency retrofits and heat pump installations at no cost to income qualified ho...

AI summary The Affordable Single-Family Homes (ASFH) program provides energy efficiency retrofits and heat pump installations at no cost to income-qualified homeowners. In 2025, the program achieved significant energy savings and exceeded its targets, with 1,920 homes participating and 6.135 GWh in net electrical energy savings. The evaluation confirmed the program's effectiveness and recommended improvements in delivery and communication.

I. Residential Behavioural Program (Efficiency Insights) p. pp. 60-62
ts of savings from other program into account and assigned to those programs in order to avoid doublecounting).[49](#page-61-4) The 2025 evaluation is consistent with this method, but is data limited. 45 The ESAs assist both participants a...

AI summary The text discusses the evaluation of a residential behavioral program called Efficiency Insights, highlighting the use of opt-out designs for higher participation rates and better comparisons with typical customer mixes. It also mentions the use of a 'Difference in Differences' (DiD) approach for evaluating program savings and references a figure from a 2012 report.

Target Group p. p. 68
Target Group Eligible facilities must be 15,000 square feet or larger. Each project must achieve at least a 25% reduction in total building energy consumption compared to code baseline and save at least 100,000 kWh of electricity. Lighting...

AI summary Eligible facilities must be 15,000 square feet or larger and achieve a 25% reduction in total building energy consumption compared to code baseline, saving at least 100,000 kWh of electricity. Lighting savings are excluded from incentive calculations to prevent double-counting with other E1 lighting offerings.

Section 132 p. p. 73
Compressed air leak surveys contribute meaningfully to total program savings, even though they appear as a discrete sub-category within Retrofit and as a single measure type within SEM. The table below presents the share of each component'...

AI summary Compressed air leak surveys are a significant contributor to energy savings within the Retrofit and SEM programs. The text highlights the share of 2025 electrical energy savings attributable to compressed-air leak activity and its contribution to the Custom Incentives Program savings.

Conclusion p. p. 79
Conclusion Small Business Energy Solutions (SBES) preserved measurement and tracking integrity in 2025 (near-100% realization on both energy and demand) but missed its planned savings by significant margins. The growing maturity of the LED...

AI summary Small Business Energy Solutions (SBES) maintained strong measurement integrity in 2025 but fell short of planned energy savings. The program's reliance on DIY pathways and the mature LED market suggest a focus on design refresh rather than measurement improvements. Planning for the 2026 evaluation cycle should focus on adjusting targets and modernizing the measure mix.

2025 Program Performance p. p. 81
2025 Program Performance The Demand Response Program targeted 17.861 MW of available DR capacity at the generator. Total evaluated available capacity was 6.795 MW, with both components missing target. BNI DR remained the larger contributor...

AI summary The 2025 Demand Response Program underperformed its target of 17.861 MW, with only 6.795 MW of available capacity evaluated. BNI DR contributed 5.941 MW, significantly below its target of 10.726 MW, while Residential DR delivered 0.854 MW, far below its target of 7.135 MW. Participation in residential DR increased 907% year-over-year.

Key Findings — Residential DR (Eco Shift) p. p. 81
Key Findings — Residential DR (Eco Shift) - Participation increased 907% over the 2023/24 season to 3,676 participants and 11,405 enrolled devices — yet the program delivered only 0.854 MW of available capacity, well below the 7.135 MW tar...

AI summary The Eco Shift program saw a significant increase in participation but fell short of its capacity target. It offers a broad range of eligible devices but faces challenges with device participation rates and program documentation. Barriers to participation include discomfort with external control, privacy concerns, and limited awareness.

Residential DR (Eco Shift) p. p. 81
Residential DR (Eco Shift) - Restructure the program manual into two distinct, continuous sections for residential and BNI; include all pilot and program changes with dates, descriptions, and rationale; clearly define eligibility criteria...

AI summary The Eco Shift residential demand response program requires restructuring its manual, linking tracking sheets, increasing participation through awareness, and monitoring the impact of new participation thresholds. Strategies for EV-device DR participation and metering analyses are also recommended.

3. BNI Efficient Products Rebates (BER) p. p. 85
3. BNI Efficient Products Rebates (BER) SVR25-BER-7: Adopt the updated adjustment ratios for tracking purposes, except the 0.514 peak demand ratio for non-lighting/non-HVAC measures and reassess that group in 2026. SVR25-BER-8: Apply the n...

AI summary The document outlines several recommendations for updating the BNI Efficient Products Rebates (BER) program, including adjustments to tracking ratios, baseline standards for LED fixtures, rebate strategies, and market transformation goals by 2028–2029.

5. Demand Response (DR) p. p. 86
5. Demand Response (DR) SVR25-DR-20: Verification teams encountered some confusion surrounding the use and function of DR automation for the Residential DR (Eco Shift) operations. It is recommended that E1 provide more detailed information...

AI summary The document outlines recommendations and issues related to the Demand Response (DR) program, specifically focusing on Residential DR (Eco Shift) and BNI DR (Smart Synergy). Key issues include confusion around DR automation, the need for restructuring program manuals, improving participant engagement, and evaluating the impact of new participation thresholds and metering analyses.

E-21Evidence - CA 9 passages
Table 3. Change in Non-Participant Bills for IRP compared to E1 Preferred Plan during 2027 to 2031 5 [49](#page-26-0) p. pp. 25-26
Table 3. Change in Non-Participant Bills for IRP compared to E1 Preferred Plan during 2027 to 2031 5 [49](#page-26-0) Rate Class 27-31 Avg Residential 1.89% Small General 2.49% General 3.09% Large General 2.07% Small Industrial 2.61% Mediu...

AI summary Table 3 shows the average percentage change in non-participant bills for the Integrated Resource Plan (IRP) compared to the E1 Preferred Plan from 2027 to 2031 across various rate classes, with residential rates showing the lowest increase at 1.89% and general rates showing the highest at 3.09%.

- 11 (1) the conclusion of the federal Greener Homes Grant program, after which E1 12 increased incentive levels to maintain participation, directly raising per-unit 13 delivery costs; p. pp. 28-29
- 11 (1) the conclusion of the federal Greener Homes Grant program, after which E1 12 increased incentive levels to maintain participation, directly raising per-unit 13 delivery costs; [ 51 ](#page-28-2) E1's 2020 to 2025 Annual Reports. E...

AI summary The text discusses the conclusion of the federal Greener Homes Grant program and E1's subsequent increase in incentive levels, leading to higher per-unit delivery costs. It also highlights factors influencing E1's DSM program, including the 50% reduction in evaluated heat-pump savings due to an updated adjustment ratio in the HOT2000 model.

2 Q. WHAT TYPES OF ENERGY EFFICIENCY MEASURES ARE DELIVERING 3 SAVINGS TO THE RESIDENTIAL SECTOR IN E1'S PREFERRED PLAN? p. p. 41
2 Q. WHAT TYPES OF ENERGY EFFICIENCY MEASURES ARE DELIVERING 3 SAVINGS TO THE RESIDENTIAL SECTOR IN E1'S PREFERRED PLAN? 4 A. The following graph breaks out the percentage of first year savings, net benefits under the 5 PAC test, and incen...

AI summary The response outlines the types of energy efficiency measures in E1's preferred plan, highlighting thermostats and air purifiers, building envelope measures, and heat pumps for HVAC. It notes their contributions to savings, net benefits, and incentives, while also addressing challenges like market saturation and the need for updated analysis.

15 Q. DO YOU AGREE WITH E1'S JUSTIFICATION FOR WAITING UNTIL 2028 TO 16 PROVIDE THESE REBATES? p. p. 43
15 Q. DO YOU AGREE WITH E1'S JUSTIFICATION FOR WAITING UNTIL 2028 TO 16 PROVIDE THESE REBATES? 17 A. No. Mini-split and centrally ducted HPs are not a new technology to E1. Both of these 18 measures are already offered as installed measure...

AI summary The respondent does not agree with E1's justification for delaying rebates until 2028, noting that heat pumps are already part of existing programs and that E1 is already preparing for DSM programs for 2027–2031. There is no structural barrier to negotiating rebates in advance.

1 Q. HOW DO THE TWO COMPONENTS COMPARE ON COST-EFFECTIVENESS? p. pp. 46-47
1 Q. HOW DO THE TWO COMPONENTS COMPARE ON COST-EFFECTIVENESS? 2 A. They differ markedly. The BNI Smart Synergy component is cost-effective: E1 confirms that "E1's Smart Synergy program demonstrates cost-effectiveness." 86 3 The Residential...

AI summary The BNI Smart Synergy component is deemed cost-effective, while the Residential 4 Eco Shift component does not meet the current cost-effectiveness threshold. E1 acknowledges this but expects Eco Shift to become cost-effective with increased participation and operational experience.

21 Q. IN THE DSMAG MEETINGS E1 WAS ASKED TO EXTEND SMART SYNERGY 22 ELIGIBILITY TO LARGE INDUSTRIAL INTERRUPTIBLE ("LII") p. p. 48
21 Q. IN THE DSMAG MEETINGS E1 WAS ASKED TO EXTEND SMART SYNERGY 22 ELIGIBILITY TO LARGE INDUSTRIAL INTERRUPTIBLE ("LII") [ 90 ](#page-48-1) EfficiencyOne 2027–2031 DSM Resource Plan Application (M12780, Exh. E-1), Evidence, p. 31. [ 91 ](...

AI summary In the DSMAG meetings, EfficiencyOne was asked to extend Smart Synergy eligibility to Large Industrial Interruptible (LII) customers. EfficiencyOne responded to the Consumer Advocate's request, referencing their 2027–2031 DSM Resource Plan Application and other evidence.

2 Q. DO YOU SUPPORT THE INCLUSION OF THE SOLAR-PV PROGRAM? p. p. 52
2 Q. DO YOU SUPPORT THE INCLUSION OF THE SOLAR-PV PROGRAM? 3 A. Yes I do. The installed costs for solar PV systems have declined dramatically in recent 4 years, but the upfront costs have been a barrier to low-income customers' ability to...

AI summary The respondent supports the inclusion of the Solar-PV program, noting that while upfront costs are a barrier for low-income customers, starting with Mi'kmaw communities aligns with the New Residential program and offers cost savings through integration during new construction. The investment is estimated at $2.8 million over five years.

14 Q. DOES THE SOLAR-PV PROGRAM HAVE OTHER BENEFITS? p. p. 52
14 Q. DOES THE SOLAR-PV PROGRAM HAVE OTHER BENEFITS? 15 A. Yes. The electricity generated from the PV systems will offset some of the needs for new 16 generation supply and it will help meet some of the provincial greenhouse gas reduction...

AI summary The Solar-PV Program offers benefits such as offsetting the need for new generation supply, contributing to provincial greenhouse gas reduction goals, and enhancing resilience through distributed generation.

1 should then be used to inform updates to incentives no later than January 1, p. p. 52
1 should then be used to inform updates to incentives no later than January 1, 2 2028. 3 8. Require tracking and reporting of pre-weatherization barriers. E1 should 4 record and report, by program component, the number and proportion of 5...

AI summary The text outlines several requirements for EfficiencyOne (E1), including updating incentives by 2028, tracking pre-weatherization barriers, allocating funds for addressing barriers in low-income retrofit programs, offering rebates for heat pumps, maintaining incentive levels, and approving demand response programs. It also confirms eligibility restrictions for certain customers.

E-23Evidence - Synapse 4 passages
Evidence of Alice Napoleon Page 26 p. p. 25
Evidence of Alice Napoleon Page 26 1 As an alternative to including the strategic electrification from the Round 2 2 modeling, E1 could develop strategic electrification offerings for low- and 3 moderate-income customers who heat with oil....

AI summary E1 suggests developing strategic electrification offerings for low- and moderate-income customers who heat with oil, citing the success of the Oil to Heat Pump Affordability (OHPA) program in driving interest in the Affordable Single-family Homes program. The OHPA program will end in 2027.

A. Yes. NS Power has identified feeders that are currently constrained and NS Power is working on transmitting this information to E1. [44](#page-28-4) For these constrained feeders, p. pp. 27-29
A. Yes. NS Power has identified feeders that are currently constrained and NS Power is working on transmitting this information to E1. [44](#page-28-4) For these constrained feeders, 1 there is a dollar benefit to reducing electricity use...

AI summary NS Power has identified constrained feeders and is working with E1 to optimize electrification efforts. E1 is advised to target non-constrained feeders, expand low-income incentives for heat pump conversions, maintain home energy assessments, and use data on high-energy-use and high-arrears customers to prioritize electrification programs.

Table 9. Residential Demand Response PAC Benefit-Cost Ratios, 2026-2027 p. pp. 33-34
Table 9. Residential Demand Response PAC Benefit-Cost Ratios, 2026-2027 2026 2027 2027-2031 Water Heater 0.31 1.06 0.80 Thermostat 0.27 0.85 0.66 Total 0.28 0.89 0.7 Source: Synapse Analysis of: E1, 2026 Extension filing, Appendix A, Attac...

AI summary Table 9 presents the benefit-cost ratios for residential demand response programs in Nova Scotia for the years 2026, 2027, and 2027-2031, with specific figures for water heater and thermostat programs. The data is sourced from E1's filings and responses to Synapse analysis.

1 2 Q. Does E1 address the high program delivery costs for the residential demand response program specifically? p. pp. 37-38
1 2 Q. Does E1 address the high program delivery costs for the residential demand response program specifically? 3 A. No. E1 does not address the high delivery costs of the residential demand 4 response program specifically. According to t...

AI summary E1 does not specifically address the high delivery costs of the residential demand response program. The response notes that while E1 reviewed DR incentives and program delivery costs, it did not evaluate delivery costs for demand response programs. E1's spending on incentives is much lower compared to similar programs in other regions, with a significant portion allocated to program delivery. Recommendations include conducting a process evaluation and reviewing the competitive procurement process for delivery services.

E-24Evidence - SNS 4 passages
3.4 Recommended Direction for SBES p. p. 6
3.4 Recommended Direction for SBES Solar Nova Scotia recommends that the Board require EfficiencyOne to revise the proposed SBES design to reduce unit costs and move away from a default no-cost direct-install model. The Board should direct...

AI summary Solar Nova Scotia recommends that the Board require EfficiencyOne to revise the SBES design by reducing unit costs, moving away from a default no-cost direct-install model, and incorporating more diverse DSM resources to improve program effectiveness and leverage federal funding.

4.1 New Controllable Load Is a Demand Response Resource p. p. 6
4.1 New Controllable Load Is a Demand Response Resource Nova Scotia's 2026 Load Forecast indicates that the 2027–2031 DSM period will add significant new controllable residential load, including 31,399 electric vehicles and 106,475 heat pu...

AI summary Nova Scotia's 2026 Load Forecast predicts significant growth in controllable residential load, including electric vehicles and heat pumps. Solar Nova Scotia supports treating demand response as a dispatchable resource but criticizes the Preferred Plan for limiting enrollment in demand response programs despite growing controllable load.

5.2 EV Incentives Conditional on Managed Charging p. p. 6
5.2 EV Incentives Conditional on Managed Charging Solar Nova Scotia recommends that EfficiencyOne include a modest transportation electrification measure in the 2027–2031 DSM Plan. The measure should incent new eligible electric vehicle pu...

AI summary Solar Nova Scotia recommends including a transportation electrification measure in the 2027–2031 DSM Plan, conditional on managed charging. This ensures DSM funding supports system value rather than acting as a general subsidy. The approach aligns with E3's findings and leverages federal EV incentives.

6. Conclusion p. p. 6
6. Conclusion The 2027–2031 DSM Plan should be approved only with a clearer path to program redesign. The evidence shows that business-sector savings are increasingly dependent on complex, customer-specific projects and that Energy Manager...

AI summary The 2027–2031 DSM Plan needs redesign to address gaps in support for small businesses and underutilized demand response resources. Solar Nova Scotia recommends expanding SBES, improving Energy Manager support, treating controllable load as demand response, and developing a strategic electrification pathway to align with future energy needs.

E-26CV - Sanem Sergici - The Brattle Group - NSPI 1 passage
PRESENTATIONS & SPEAKING ENGAGEMENTS p. p. 20
m, Miami FL (October 2016) - "Impact of Residential PV Penetration on Load Growth Expectations," AEIC Western Load Research Conference, September 2016. - "Moving away from Flat Rates," Smart Grid Consumer Collaborative, Chicago, IL (Septem...

AI summary This section lists various presentations and speaking engagements related to energy topics, including residential PV penetration, moving away from flat rates, and residential demand charges, presented at different conferences and events.

E-31NSPI (E1) RIR 1 to 9 1 passage
NON-CONFIDENTIAL p. p. 16
NON-CONFIDENTIAL 1 (b) This information is not readily available at this time. 2 - 3 (c) Confirmed. OTP's reduction has been achieved across residential and small commercial - 4 customers. OTP has greater than 30 percent residential enroll...

AI summary The document notes that OTP has achieved a reduction in energy use across residential and small commercial customers, with over 30 percent of residential customers enrolled in DR programs. This information was filed on July 17, 2026.

E-32NSPI (CA) RIR 1 to 10 3 passages
NON-CONFIDENTIAL p. p. 7
NON-CONFIDENTIAL - 1 (d) Given that E1's prior potential study is from 2019, and a new DR potential study is 2 currently being developed by IESO Nova Scotia, Brattle does not have the sufficient - 3 information to answer this question. Req...

AI summary Excluding residential customers from growth in Demand Response (DR) capacity would shift the DR program's focus to BNI customer curtailment, reducing diversification and scalability. This approach may not align with Nova Scotia's future energy needs as residential electrification increases.

Section 12 p. pp. 10-11
- BNI participant drop-outs and event opt-outs: In the 2023/2024 season, BNI DR results were affected by participant drop-out and operational constraints, including customers withdrawing or opting out of events because of operational requi...

AI summary The document discusses challenges in demand response (DR) programs, including participant drop-outs, operational constraints, and issues with residential hot water controllers. E1 had to recall controllers for quality reasons, leading to program disruptions and low adoption of Eco Shift devices. DR results underperformed in 2025 due to low residential participation and limited advance notice of events. Corrective actions were taken, such as improving customer engagement and event notice.

Section 15 p. p. 12
vendors, and other programs. E1 should similarly treat early seasons as a learning period and use event data to refine baselines, dispatch strategies, and technology-specific performance assumptions. - Prioritize winter-relevant controllab...

AI summary The document emphasizes the need for E1 to refine its demand response (DR) strategies by focusing on winter-relevant controllable loads and learning from early seasons. It suggests prioritizing resources like electric resistance backup heating and smart thermostats, while also considering the experience of other utilities in stabilizing DR programs over time.

E-33NSPI (IG) RIR 1 to 15 2 passages
Preamble p. p. 5
customers for their excess generation are transferred to the remainder of the customer base, including non-fuel and rider costs (including the DSM Cost Recovery Rider). Solar generation from participants in E1's proposed solar PV program w...

AI summary The text discusses the impact of solar PV programs on cost recovery and the potential for double compensation. It notes that solar generation reduces NS Power's energy supply needs but does not offset capacity costs, increasing the burden on residential customers. Net metering credits are not fully considered in cost-effectiveness calculations, and Brattle's concern about double compensation applies to future program expansions.

NON-CONFIDENTIAL p. p. 7
NON-CONFIDENTIAL 1 ratepayer-funded support mechanism. Therefore, Brattle's concern is strongest for solar 2 PV and should be evaluated separately from co-funded DSM measures such as heat pumps, 3 where the relevant question is whether com...

AI summary The text discusses Brattle's concern regarding a ratepayer-funded support mechanism, particularly for solar PV, and suggests that it should be evaluated separately from co-funded DSM measures like heat pumps, focusing on whether combined incentives are necessary, non-duplicative, and proportionate to incremental system benefits.

E-37Synapse (E1) RIR 1 to 4 2 passages
4.4. Program Types, Sectors, and Market Segments Supported p. p. 25
4.4. Program Types, Sectors, and Market Segments Supported [Table 4](#page-26-0) below provides a description of program coverage in NB Power's proposed DSM Plan. - NB Power's portfolio includes a wide range of measures and efforts, from m...

AI summary NB Power's proposed DSM Plan includes a wide range of energy efficiency and electrification programs targeting residential, commercial, and industrial sectors, including hard-to-reach customers such as low-income, small commercial, and small industrial participants.

Table 7. DSM portfolio and program cost-effectiveness, 2024/25 p. p. 31
Table 7. DSM portfolio and program cost-effectiveness, 2024/25 Program Type Sector Program Name PACT – All Fuels PACT – NB Power PCT – All Fuels PCT – NB Power Energy Efficiency Residential New Home Energy Savings Program 1.6 1.6 1.1 1.1 T...

AI summary Table 7 presents the cost-effectiveness of various Demand Side Management (DSM) programs in Nova Scotia for 2024/25, including Energy Efficiency, Electrification, and Demand Response programs across residential, commercial, and industrial sectors, with specific metrics for all fuels and NB Power.

E-38Synapse (IG) RIR 1 to 10 1 passage
Preamble p. p. 13
As an alternative to including the strategic electrification from the Round 2 modeling, E1 could develop strategic electrification offerings for low- and moderate-income customers who heat with oil. … I estimate that 17,600 low-income home...

AI summary The text discusses potential strategic electrification offerings for low- and moderate-income oil-heated customers in Nova Scotia, referencing Synapse's recommendations and the need to address affordability and energy poverty. It also raises questions about program structure, funding mechanisms, and statutory requirements for including such initiatives in a DSM Plan.

E-41Rebuttal Evidence - E1 8 passages
E1 Rebuttal Evidence p. p. 3
E1 Rebuttal Evidence E1 agrees with the value of home energy assessments and with encouraging weatherization at the time of electrification where an assessment identifies that opportunity, consistent with E1's response to the Consumer Advo...

AI summary E1 supports home energy assessments but warns that requiring them before electrification could increase program costs and impact cost-effectiveness. E1 agrees with the Consumer Advocate's position on pre-weatherization but cautions against universal pre-electrification assessment requirements.

Synapse p. p. 6
Synapse Ms. Napoleon flags concerns about whether E1's residential demand response programs are being administered cost-effectively and whether the proposed delivery budget is reasonable. At page 37, line 18 to page 39, line 4, she states:

AI summary Ms. Napoleon raises concerns regarding the cost-effectiveness of E1's residential demand response programs and the reasonableness of the proposed delivery budget, as outlined in the provided text.

Q. What do you recommend regarding E1's residential program delivery vendors? p. p. 6
Q. What do you recommend regarding E1's residential program delivery vendors? - E1 should conduct a process evaluation of the delivery of the residential demand response - program to identify opportunities for gaining efficiencies and achi...

AI summary E1 is recommended to conduct a process evaluation of its residential demand response program delivery to identify efficiencies and cost reductions, and to review its competitive procurement process to ensure cost-effective delivery solutions.

E1 Rebuttal Evidence p. p. 14
E1 Rebuttal Evidence E1 accepts the 2024 evaluation savings for residential heat pumps as the appropriate baseline, but does not accept the implication that it has treated the resulting higher cost per kWh as fixed or has failed to pursue...

AI summary E1 accepts the 2024 evaluation savings for residential heat pumps but argues that higher cost per kWh is not fixed and that program levers are still being pursued. Incentive levels are set using the Board-approved methodology and are lower than those in other jurisdictions. E1 is exploring mid-stream rebates starting in 2028 but will continue offering energy assessments. E1 also addresses concerns about mandatory heating switchover temperatures and backup heating systems in Nova Scotia's cold climate.

3.4 RESIDENTIAL HEAT PUMPS p. p. 17
3.4 RESIDENTIAL HEAT PUMPS 3.4.1 2027 VS 2028 START DATE

AI summary The section discusses the potential start dates for a residential heat pump initiative, specifically comparing 2027 and 2028 as possible timelines for implementation.

Q. DO YOU AGREE WITH E1'S JUSTIFICATION FOR WAITING UNTIL 2028 TO PROVIDE THESE REBATES? p. p. 17
Q. DO YOU AGREE WITH E1'S JUSTIFICATION FOR WAITING UNTIL 2028 TO PROVIDE THESE REBATES? A. No. Mini-split and centrally ducted HPs are not a new technology to E1. Both of these measures are already offered as installed measures under the...

AI summary The respondent disagrees with E1's justification for delaying rebates until 2028, stating that the technology is already available through existing programs and that preparations for DSM programs are already underway. They argue that rebates can be negotiated conditionally and should be ready for the 2027 heating season.

Solar Nova Scotia p. p. 35
Solar Nova Scotia At page 6 of its evidence, Solar Nova Scotia States: EfficiencyOne stated in response to Solar Nova Scotia information request E1 (SNS) IR-08(e) that 94 percent of Custom Program savings under the Existing Buildings strea...

AI summary Solar Nova Scotia highlights that the Custom Program under the DSM portfolio is the central source of cost-effective business savings, primarily driven by Energy Manager-supported projects. However, Energy Manager capacity is limited, with only a few positions funded through DSM, none dedicated to small businesses, putting them at a disadvantage. Solar Nova Scotia recommends focusing on customer enablement through Energy Manager support to expand access to cost-effective savings and facilitate deeper projects.

Industry Practice for DSM Programs p. p. 45
df)-V5.pdf, page 29. Given this context, the use of NECB as the reference building represents a prudent, widely accepted, and practical approach to baseline development in new construction programs. With respect to peak demand, E1's 2027–2...

AI summary The document discusses the use of NECB as a baseline for new construction programs and outlines E1's 2027–2031 DSM Plan Application, including peak demand performance targets and reporting requirements. Custom NC incentives are tied to energy savings and peak demand tracking, with potential for participation in demand response initiatives.

E-43Opening Statement - ANSMC and KMKNO 1 passage
Opening Statement p. p. 0
ommunities. Since 2018, the Mi'kmaw Home Energy Efficiency Program has been operating in our communities, thanks to partners that include the Province, Sustainable Housing and Efficiency Nova Scotia. As you may be aware, our Mi'kmaw commun...

AI summary The Mi'kmaw Home Energy Efficiency Program has supported over 1,800 homes in Mi'kmaw communities since 2018 by providing energy assessments and improvements such as insulation, air sealing, and heat pump installations. The program has also boosted local economic development by supporting Mi'kmaw-owned businesses.

E-48Opening Statement - AEC 1 passage
5. The AEC supports a balcony solar program for low and modest income tenants .
5. The AEC supports a balcony solar program for low and modest income tenants . E1 states that they have no plans to expand solar programs beyond the Mi'kmaw New Home Construction program. Cheap behind the meter balcony solar with built in...

AI summary The AEC supports a balcony solar program for low and modest income tenants, arguing that such programs can reduce energy costs and improve reliability. E1 states they have no plans to expand solar programs beyond the Mi'kmaw New Home Construction program, but the AEC suggests that balcony solar should be supported in line with Nova Scotia's 'consumer choice' approach.

E-54Agreement between EfficiencyOne and Eastward Energy 1 passage
Section 2 p. p. 0
will confirm Eastward's acknowledgement of this agreement on the record, either prior to or at the commencement of the oral hearing in this matter. Respectfully, James R. Gogan APPENDIX "A" - 1. In recognition of the potential value of hyb...

AI summary EfficiencyOne and Eastward Energy agree to collaborate on a study regarding hybrid heating systems in new construction Multi-Unit Residential Buildings in Nova Scotia, aiming to inform potential pilot programs and reduce peak electricity demand.

E-58Revised Opening Statement - AEC 2 passages
Introduction
energy savings programs included in the E1 proposal: Affordable Multifamily Housing, Affordable Single-family Homes, Mi'kmaw Home Energy Efficiency Project, Mi'kmaw New Home Construction. We support the modest increase in relative projecte...

AI summary The Affordable Energy Coalition (AEC) supports the E1 proposal's energy savings programs but highlights concerns about declining savings for low-income and equity groups. They advocate for free deep energy retrofits in buildings where tenants pay both heating and electricity bills, arguing it would better balance program spending and savings.

5. The AEC supports a balcony solar program for low and modest income tenants .
5. The AEC supports a balcony solar program for low and modest income tenants . E1 states that they have no plans to expand solar programs beyond the Mi'kmaw New Home Construction program. Cheap behind the meter balcony solar with built in...

AI summary The AEC supports a balcony solar program for low and modest income tenants, arguing that such programs can reduce energy costs and improve electricity reliability. E1 currently has no plans to expand solar programs beyond the Mi'kmaw New Home Construction program, but the AEC believes this should change to align with Nova Scotia's 'consumer choice' approach and support low-income households.

E-62Response to Undertakings U-1 to U-11 2 passages
E1 Responses to Affordable Energy Coalition (AEC) Undertaking NON-CONFIDENTIAL p. pp. 1-2
E1 Responses to Affordable Energy Coalition (AEC) Undertaking NON-CONFIDENTIAL Undertaking U-3: - To provide an estimate of the cost for a homeowner-style program only for landlords whose - tenants pay 100 percent of their energy bills. 6...

AI summary EfficiencyOne (E1) estimates that approximately $7.5 million in additional investment would be required over 2027–2031 for a homeowner-style program targeting landlords with tenants who pay 100% of their energy bills. This program would mirror E1's Affordable Single-family Homes initiative, involving free audits and upgrades by contracted delivery agents.

5 p. p. 12
5 Tracked Results Evaluated Results DSM Program Program Component Annual Gross Savings (GWh) Annual Net Savings (GWh) Annual Gross Savings (GWh) NTGR b Annual Net Savings (GWh) Lifetime Net Electrical Energy Savings (GWh) Difference in Net...

AI summary This table presents the results of a Demand Side Management (DSM) program, including gross and net energy savings across various residential and BNI components. It highlights differences in net savings, realization rates, and lifetime savings for different program initiatives.

101518Notice of Intervention - CA 1 passage
NOTICE OF INTERVENTION OF: CONSUMER ADVOCATE
NOTICE OF INTERVENTION OF: CONSUMER ADVOCATE TAKE NOTICE that the Consumer Advocate hereby intervenes in the above Application and proceeding. The Consumer Advocate represents the interests of residential ratepayers, who may be impacted by...

AI summary The Consumer Advocate intervenes in a regulatory proceeding, representing residential ratepayers potentially affected by an application. They will address issues raised by the Energy Board and other emerging concerns during the process. Legal representation is provided by Pink Larkin, with consulting support from Green Energy Economics Group.

101895EE (E1) IR 1 to 10 2 passages
EMAIL: [email protected] p. p. 4
EMAIL: [email protected] 1 Group 1: Appropriate Baseline for New Construction Measures 29 Construction Impact Evaluation, Section 5.2.1 Sampling 1 The savings exclude instances where the builder would have chosen natural gas as t...

AI summary The email discusses two groups of requests related to energy efficiency in new construction. Group 1 asks about the appropriate baseline for new construction measures and the impact of excluding natural gas as a heating fuel. Group 2 requests a comparison of incentives for electrically heated buildings versus hybrid heated buildings, including electricity and natural gas impacts.

Request IR-6 p. p. 4
Request IR-6 Reference: Exhibit E-1, 2027-2031 DSM Plan, Section 3.3 Demand Response (pages 34-35 of 419), states "The demand response design in the 2027-2031 DSM Plan was informed by a combination of observed implementation experience, up...

AI summary The 2027-2031 DSM Plan's demand response design incorporates implementation experience, modelling updates, and stakeholder feedback. EfficiencyOne (E1) considered hybrid heating measures and collaborated with Eastward Energy and NS Power during modelling. The request asks for details on specific hybrid measures, their modelling under New Construction and Custom programs, and a summary of E1's collaboration with Eastward Energy.

101899NSEB (E1) IR 1 to 66 4 passages
Request IR-6:
Request IR-6: With regards to Section 2.2.3.1 "Compliance with the 2026 DSM Extension Decision": - a. Reference E-1, page 18 of 71 (pdf pg. 25) and Appendix A page 79 of 112 (pdf pg. 167), E1 states there is currently no double counting of...

AI summary Request IR-6 questions E-1's compliance with the 2026 DSM Extension Decision, focusing on double-counting of savings between demand response programs and NS Power's rate signals, exclusion of customers on time-differentiated rates, and budgeted costs for the excluded Residential Behaviour program in E1's DSM plan.

Request IR-13:
Request IR-13: - Regarding Section 3.4 "Solar-PV": - a. Pdf pg. 40 and 41 discusses solar-PV installations exclusively for residents of Mi'kmaw communities and that the program will add 200 installations for the DSM 2027-2031 years. Please...

AI summary The document requests clarification on the Solar-PV program's cost and cost-effectiveness, specifically for Mi'kmaw communities and potential future expansions to other customer segments. It references a cost estimate of approximately $2.9 million and seeks an explanation for the potential change in cost-effectiveness if the program is expanded.

Preamble
- d. Pdf pg. 123 states: "Investment levels in Residential sector programs represent approximately 56 percent of the energy efficiency portfolio and BNI sector programs at 44 percent. At the same time, residential sector programs will gene...

AI summary The document raises questions about E1's energy efficiency investment allocation between residential and BNI sectors, requests clarification on rate class allocation calculations, and seeks reconciliation of investment figures between Table 17 and Attachment 3. It also asks for supporting evidence or recalculations for proposed DSM plans.

Request IR-64:
Request IR-64: - In reference to Table 5: Comparison of 2025 Evaluated and Tracked Electrical Energy Savings at the Generator: - a. Please explain the Net Realization Rate of 101% for Affordable Single-family Homes. - b. How were the Lifet...

AI summary Request IR-64 seeks clarification on Table 5's 2025 electrical energy savings data, including the 101% Net Realization Rate for Affordable Single-family Homes, methodology for calculating Lifetime Net Savings, and the rationale for five Residential program entries under 'Difference in Net Savings.'

101900Synapse (E1) IR 1 to 90 2 passages
NON-CONFIDENTIAL INFORMATION REQUESTS
to the annual savings (including all relevant savings metrics) for one or more programs? If not, please explain the circumstances relevant to this situation under which E1 would file a plan amendment. - Request IR-27: Page 6 of Appendix A...

AI summary The document requests information on E1's 2027-2031 DSM Plan, particularly regarding the removal of the Residential Behavioral Program and its impact on energy savings. Questions address whether E1 assumed reduced savings, efforts to offset lost savings, and alternative marketing strategies.

1
1 2 Pages 44-45 of Appendix A – Preferred Plan state, "Enhancements to E1's energy Request IR-41: 3 efficiency offerings for the 2027–2031 Plan period include: introduction of a new program 4 component, Mi'kmaw New Home Construction, suppo...

AI summary The text includes several requests for clarification regarding the Preferred Plan, including questions about energy efficiency programs, audit types, and the timing of new offerings. It also seeks details on the number of property owners and non-profit organizations eligible for incentives and how many have been served.

101907IG (E1) IR 1 to 29 1 passage
19 Request IR-10: p. p. 5
19 Request IR-10: - 20 References: Exhibit E-1, Application, page 47/71; and Exhibit E-1, Appendix A, pages 38– 21 39/112. - 22 Preamble: E1 attributes changes in unit costs between 2026 and 2027–2031 to factors 23 including the end of the...

AI summary E1 attributes changes in unit costs between 2026 and 2027–2031 to factors such as the end of the Greener Homes top-up incentive, transition away from low-cost lighting measures, inflation, and reduced evaluated heat pump savings. E1 argues that the lifetime unit cost of $0.05/kWh is a more appropriate efficiency measure.

101909SNS (E1) IR 1 to 15 2 passages
- 28 efficiency savings.
- 28 efficiency savings. Measure / Channel Units First-Year Savings Total Incentive $/kWh Share of Residential EE Air purifiers - Instant Savings 39,000 21.3 GWh $1.34M $0.063 16.9% Smart thermostats - Instant Savings 52,500 21.1 GWh $1.35...

AI summary The text presents a table outlining efficiency savings from various measures, including air purifiers and smart thermostats, with details on the number of units, energy savings, and incentives. It requests confirmation or correction of the totals shown.

10 IR-8: Custom Program
10 IR-8: Custom Program - 11 Reference: 2027-2031 DSM Plan; Custom Program; Existing Buildings; New Construction. - 12 Requests: - 13 a) For each year from 2027 to 2031, provide first-year savings and number of projects broken 14 down by E...

AI summary The document outlines requests related to the 2027-2031 DSM Plan's Custom Program, seeking data on savings, project numbers, and explanations for declining savings from 2027 to 2031. It also asks about enhancements for BNI Demand Response in new construction and Energy Manager-supported account contributions to savings.

101922AEC (E1) IR 1 to 11 1 passage
INFORMATION REQUEST 2:
INFORMATION REQUEST 2: Please explain how the savings for the low income and equity programs as a percentage of residential savings is calculated, pointing to the appropriate tables and figures. Please explain how to calculate the investme...

AI summary The document requests explanations on calculating low income and equity program savings as a percentage of residential savings, and investment as a percentage of residential program investment, with references to specific tables and figures.

102616SBA (SNS) IR 1 to 7 1 passage
Request IR-5: Refer to M12780, Exhibit E-24, SNS Evidence, Section 4.2 Smart Thermostats Illustrate the p. p. 2
Request IR-5: Refer to M12780, Exhibit E-24, SNS Evidence, Section 4.2 Smart Thermostats Illustrate the Missed Opportunity, page 10 of 16, 2nd paragraph of this section, which states: Solar Nova Scotia recommends that DSM-funded controllab...

AI summary Solar Nova Scotia (SNS) recommends that demand-side management (DSM)-funded controllable devices, such as smart thermostats, be integrated into demand-response (DR) programming where technically feasible, with customer consent and annual reporting on peak reduction and capacity value. The questions posed explore how this differs from E1's current residential DR program and whether automatic enrollment or conditional incentives are recommended.

103461Submission - AEC 2 passages
4. Concern: Solar program limited to Mi'kmaw communities Recommendation: Develop a solar program for low and moderate income tenants p. p. 3
4. Concern: Solar program limited to Mi'kmaw communities Recommendation: Develop a solar program for low and moderate income tenants We support the Mi'kmaw solar program. We believe solar programs should be offered to low and moderate inco...

AI summary The document raises a concern about a solar program being limited to Mi'kmaw communities and recommends expanding it to low and moderate income tenants. The Affordable Energy Coalition supports this expansion, suggesting options like solar gardens and plug-in balcony solar, emphasizing fairness and accessibility.

a. MAJOR recommendations: p. p. 4
a. MAJOR recommendations: - i. The Affordable Energy Coalition recommends that the Board direct E1 to increase investment and savings to match the savings recommended in the 2022 IRP, to meet short and long term affordability goals. - ii....

AI summary The Affordable Energy Coalition recommends several measures to enhance affordability and equity in energy programs, including increasing investment in low-income programs, implementing ASHP-style incentives, and offering solar and electrification options for low-income customers.

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