E-1Report
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Q3 2025 Demand Side Management Report 2025 Quarter Three Activity for the period July 1 – September 30, 2025 Efficiency Nova Scotia is a franchise awarded by the Province of Nova Scotia to EfficiencyOne, an independent not-for-profit corpo...
AI summary The Q3 2025 Demand Side Management Report details Efficiency Nova Scotia's activities from July to September 2025. It notes that Efficiency Nova Scotia operates as a franchise awarded to EfficiencyOne, a not-for-profit corporation, to promote energy efficiency and conservation in Nova Scotia.
1. SUMMARY - The Q3 2025 report summarizes EfficiencyOne's (E1) Demand Side Management (DSM) results - and activities as administrator and operator of the Efficiency Nova Scotia (ENS) franchise for the - period of July 1, 2025 to September...
AI summary EfficiencyOne (E1) reports Q3 2025 Demand Side Management (DSM) results under its Efficiency Nova Scotia (ENS) franchise. The 2023-2025 DSM Plan, approved by the NSUARB with a $173M investment, includes performance targets. The Nova Scotia government extended the plan through 2026 with $63.75M, though the extension remains under review by the NSEB. E1's Q3 results show 26.3 GWh energy savings and 6.0 MW peak demand savings, with $14.4M spent.
2.1 Forecast for 2023-2025 DSM Plan Period E1's three-year Plan forecast includes E1's actual savings results and expendituresfrom 2023 and 2024, and the current 2025 forecast, which is described in further detail in section 2.2. As shown...
AI summary E1's 2023-2025 DSM Plan forecasts $173 million in investments, aiming to meet 90% of performance targets for energy savings, demand savings, and affordable housing programs. However, E1 will miss its 17.9 MW available capacity target, with only 6.9 MW achieved in the final 2025 demand response season.
2.2.1 Analysis - The updated Q3 2025 year-end forecast reflects the balance programs are managing throughout - E1's portfolio as the end of both 2025 and the 2023-2025 DSM Plan period approach. To remain within the total approved investmen...
AI summary The Q3 2025 forecast shows scaled-back participation in most energy efficiency programs due to budget constraints, with the exception of Existing Residential, which is impacted by the unavailability of AMI data from NS Power following a cybersecurity incident. The closure of the Canada Greener Homes Grant and changes to LED lighting measures also affect program performance. Demand Response program results are below targets.
Table 2: 2025 Plan as Approved, Year-End Forecast, Q3 and Year-to-date (YTD) Results 5 Plan as App proved 202 5 Year-End For ecast , 0 3 and YTD 2025 Resu ılts F rogram Status First-Year Energy Lifetime Energy Peak EE Demand Investment Ava...
AI summary Table 2 provides a comparison of the 2025 Plan as approved, year-end forecasts, and Q3 and YTD results for energy efficiency programs. It includes metrics such as energy savings, investment, and program status for various initiatives like Efficient Product Rebates and Appliance Retirement.
1 Table 3: Participation Rates Participation 2025 Plan as Approved Q3 2025 Results YTD 2025 Results YTD Results as % of 2025 Plan as Approved Participation Unit Efficient Product Rebates 82,221 9,795 107,083 130% Units rebated Appliance Re...
AI summary Table 3 outlines participation rates across various energy efficiency programs in Nova Scotia under the 2025 Plan. It shows performance metrics such as units rebated, projects completed, and participation percentages relative to the approved plan. The data covers residential and business programs, with some programs showing high participation rates while others lag significantly.
1 Table 4: Unit Cost First-Year Unit Cost 2025 Plan as Approved ($/kWh) 2025 Year-End forecast ($/kWh) 2025 Actual YTD ($/kWh) Efficient Product Rebates 0.51 0.23 0.19 Existing Residential 0.39 0.65 0.61 Residential New Residential N/A N/A...
AI summary Table 4 presents unit costs for various energy efficiency programs in Nova Scotia, including residential, low-income, and business programs. The table compares approved, forecasted, and actual costs for 2025. The 2023-2025 DSM Resource Plan Compliance filing is referenced, which was approved by the NSUARB on November 8, 2022.
1 4. RESIDENTIAL SECTOR - 2 E1's Residential sector consists of the following two programs: - 3 Efficient Product Rebates; and - 4 Existing Residential - 5 Note: The New Home Construction program component under the New Residential program...
AI summary The Residential sector under E1 includes Efficient Product Rebates and Existing Residential programs. The New Home Construction program ended in 2023. Q3 achieved 8.7 GWh energy savings and 3.1 MW peak demand savings. E1 forecasts meeting 2025 demand savings target but expects to undershoot energy savings target, though meeting three-year targets. Tables 5 and 6 provide details.
20 4.1 Residential Efficient Product Rebates - 21 The Residential Efficient Product Rebates program consists of two program components: - 22 Instant Savings; and - 23 Appliance Retirement. (Note: Appliance Retirement ended on January 8, 20...
AI summary The Residential Efficient Product Rebates program includes two components: Instant Savings and Appliance Retirement, which ended on January 8, 2025. The program focuses on residential energy efficiency initiatives.
25 Table 5: Residential Efficient Product Rebates RESIDENTIAL EFFICIENT PRODUCT REBATES (2025) Residential Efficient Product Rebates Energy Savings (GWh) Demand Savings (MW) Expenditure ($ million) Unit Cost ($/kWh) 2025 Plan as Approved 1...
AI summary Table 5 outlines the Residential Efficient Product Rebates for 2025, showing energy and demand savings, expenditures, and unit costs. The 2025 Year-end forecast indicates higher energy savings than the approved plan, mainly due to strong performance in the Instant Savings program component.
Program Components - Appliance Retirement retired old, inefficient household appliances (e.g., refrigerators, freezers, room air conditioners) by offering free appliance pick-up from homes, proper recycling, and a financial incentive. The...
AI summary The document outlines two program components: Appliance Retirement, which retires inefficient appliances and offers incentives, ending in 2025, and Instant Savings, providing rebates for energy-efficient purchases. These programs target household appliances and are part of broader initiatives like the Affordable Single-family Homes and Mi'kmaw Home Energy Efficiency Project.
Instant Savings Highlights • Q3 results for Instant Savings were low, as expected, following a pause on rebates for a number of products in Q2. This followed stronger-than-expected results in Q1 (which included some November and December 2...
AI summary Q3 Instant Savings results were low due to a rebate pause in Q2, following strong Q1 results. E1 plans to reintroduce rebates in the next DSM Plan period. Appliance replacement savings are claimed under the Affordable Single-family Homes and Mi'kmaw Home Energy Efficiency Project, with funding provided by the Province of Nova Scotia for non-electrically heated homes.
1 4.2 Existing Residential - 2 The Existing Residential program consists of the following program components: - 3 Affordable Multi-family Housing and Non-Profit Organizations; - 4 Affordable Single-family Homes; - 5 Efficient Product Insta...
AI summary The Existing Residential program includes components such as Affordable Multi-family Housing, Efficient Product Installation, Green Heat, and Home Energy Assessments, among others, aimed at residential energy efficiency initiatives.
EXISTING RESIDENTIAL (2025) - Efficient Product Installation provides homeowners and tenants with free-of-charge direct installation of energy efficient products such as smart thermostats, hot water controllers, humidity sensors, dimmer sw...
AI summary Nova Scotia Energy Board (NSEB) outlines 2025 residential energy efficiency programs, including free product installations, heating incentives, home assessments, Mi'kmaw community retrofits, and behavior-based energy use feedback. Programs are managed by EfficiencyOne (E1) and Efficiency Nova Scotia (ENS), targeting reduced electricity consumption through technology, rebates, and community partnerships.
Affordable Multi-family Housing Highlights - Affordable Multi-family Housing energy and demand savings results were low in Q3, but year-todate results are consistent with the same period in 2024. - Due to the ongoing impact of lower energy...
AI summary Affordable Multi-family Housing energy savings were low in Q3 but consistent year-to-date with 2024. Challenges include reduced prescriptive heat pump savings due to 2024 Green Heat evaluation adjustments and lower project recruitment from expired DSM incentive top-ups. The program team aims to boost applications via email campaigns targeting new DSM customers and collaboration with the Small Business Energy Solutions team.
Affordable Single-family Homes Highlights • Energy and demand savings remained strong in Q3, as delivery of the Affordable Single-family Homes program component continues to evolve in its third year of operation, following its launch in 20...
AI summary Energy and demand savings remained strong in Q3 as the Affordable Single-family Homes program, in its third year of operation since 2023, accelerated project completion through a Q2 change in managing building envelope upgrades and heating system installations as separate projects, enhancing contractor network efficiency.
Efficient Product Installation Highlights - Q3 and year-to-date energy and demand savings results are consistent with the same period in 2024 and Efficient Product Installation remains on track to achieve its year-end forecast targets. - A...
AI summary Efficient Product Installation (E1) reports Q3 and year-to-date energy savings consistent with 2024 forecasts. The program shifted focus to electrician-installed measures (e.g., smart thermostats, solar lights) in July 2025, replacing phased-out lighting. A Q3 marketing campaign promotes these measures, and 3,940 demand response devices were installed, supporting the Residential Demand Response program.
Mi'kmaw Home Energy Efficiency Project Highlights • The Mi'kmaw Home Energy Efficiency Project had a strong Q3 as its 2025 cohort of participants progresses through the stages of their projects (energy assessment, installation, and final c...
AI summary The Mi'kmaw Home Energy Efficiency Project showed strong progress in Q3 as the 2025 cohort advanced through project stages (assessment, installation, completion) following Q2 enrollment. This highlights ongoing implementation of energy efficiency initiatives targeting Indigenous households in Nova Scotia.
Residential Behaviour Highlights - The Residential Behaviour program component remained paused throughout Q3 due to a cybersecurity incident at NS Power that hasresulted in NS Power being unable to transfer customer consumption AMI data to...
AI summary The Residential Behaviour program is paused due to a cybersecurity incident at NS Power, preventing data transfer to E1. NS Power is working on restoring systems, but no timeline is available. The last reports were in May with 7.0 GWh savings, and the program is expected to resume in 2026.
2 5. BUSINESS, NON-PROFIT AND INSTITUTIONAL (BNI) SECTOR - 3 The BNI sector consists of the following three programs: - 4 Efficient Product Rebates; - 5 Custom Incentives; and - 6 Direct Installation. - 8 Energy Manager Placements - 9 Unde...
AI summary The BNI sector includes three programs: Efficient Product Rebates, Custom Incentives, and Direct Installation. E1 employs Energy Managers to identify DSM opportunities, achieving 17.6 GWh energy savings and 2.9 MW demand savings in Q3 2025. E1 expects to meet 2025 energy savings targets but anticipates slightly lower demand savings than planned. Variances in Direct Installation program results are noted.
9 5.1 Efficient Product Rebates 10 The Efficient Product Rebates program is marketed as Business Energy Rebates. 11
AI summary The Efficient Product Rebates program, part of Nova Scotia's regulatory proceeding, is marketed under the name Business Energy Rebates. The program aims to promote energy efficiency through rebates for businesses.
7 Table 8: Custom Incentives CUSTOM INCENTIVES (2025) Custom Incentives Energy Savings (GWh) Demand Savings (MW) Expenditure ($ million) Unit Cost ($/kWh) 2025 Plan as Approved 26.8 5.1 8.6 0.32 2025 Year-end forecast 33.2 5.9 8.7 0.26 Q3...
AI summary Table 8 outlines Custom Incentives performance metrics for 2025, showing projected energy and demand savings exceeding approved targets. E1's Q1/Q2 DSM Reports indicate high-savings projects will drive this outcome, similar to 2024 results. The table compares plan approvals, year-end forecasts, and actuals through Q3 2025.
Custom Highlights - All Custom services (Building Optimization, Retrofit, New Construction, and Pay-for-Performance) completed projects in Q3. - o The Retrofit service accounted for the majority of completed projects and included compresse...
AI summary Custom services (Building Optimization, Retrofit, New Construction, Pay-for-Performance) completed Q3 projects. Retrofit led in completed projects with measures like compressed air and solar PV, while New Construction drove energy savings and incentives.
Small Business Energy Solutions Highlights - Energy and demand savings were strong in Q3, as Small Business Energy Solutions continues to receive a higher-than-expected number of applications, following changes in 2024 that increased progr...
AI summary Small Business Energy Solutions saw strong energy and demand savings in Q3 2024, driven by increased applications following 2024 eligibility and incentive changes. The program team managed participation to stay within the 2025 Plan's approved investment level, similar to Q2 strategies.
8. LOW-INCOME, DIVERSE, AND UNDERSERVED COMMUNITIES The NSUARB established a separate Performance Target of 15.8 GWh for cumulative annual energy savings applicable to Affordable Multi-family Housing, Affordable Single-family Homes, and Mi...
AI summary The NSUARB set performance targets and indicators for energy savings in affordable housing and low-income communities under the 2023-2025 DSM Plan. E1 projects meeting its 2025 energy savings targets, with incidental savings already achieved. References to NSUARB decisions and tables provide supporting data.
Table 11: Results Applicable to Affordable Single-family Homes, Affordable Multi-family Housing, and Mi'kmaw Home Energy Ffficiency Project , , 2025 Plan as Approved 2025 Forecas t (Year-End 1) Q3 and YTD 2025 Results
AI summary This table presents results related to energy efficiency initiatives for affordable single-family homes, affordable multi-family housing, and the Mi'kmaw Home Energy Efficiency Project under the 2025 plan and forecast.
1 Table 12: Results Applicable to Low-Income and Underserved Communities, Non-Targeted Program Components 2025 Plan Performance Indicators 2025 Forecast (Year-End) Q3 and YTD 2025 Results Existing Residential 8.0 35.6 0.6 1.0 - 4.1 17.7 0....
AI summary Table 12 outlines program performance indicators and results for low-income and underserved communities under non-targeted program components, including data on residential and business energy rebates, efficient product installations, and custom incentives.
9 In 2025, there will be no low-income and equity participation and savings for Appliance Retirement, which ended January 8, 2025, and for Instant Savings, which is no longer assumed to have any 10 incidental low-income and equity particip...
AI summary In 2025, low-income and equity participation and savings for Appliance Retirement and Instant Savings programs will no longer be assumed, following E1's updated assumptions and methodology. Low-income participation is tracked where income information is available, and savings are calculated based on residential dedicated low-income and affordable housing projects.
ENABLING STRATEGIES (2025) - o posted content and articles on relevant, trending topics (e.g. World Nature Conservation Day, National Day for Truth and Reconciliation, electric vehicle fall road trips in Nova Scotia); - o made regular post...
AI summary E1's Q3 2025 activities focused on expanding digital engagement through social media, influencer partnerships, and refining its Google Business profile. The Efficiency Preferred Partner network grew to 454 members, with initiatives including webinars on heat pump services, training programs, and collaboration with organizations like Natural Resources Canada and industry institutes.
Codes and Standards • E1 continued to participate in the Canadian Standards Association's Steering Committee on Performance, Energy Efficiency and Renewables (the parent steering committee for energy efficiency-related standards developmen...
AI summary EfficiencyOne (E1) remains actively involved in the Canadian Standards Association's Steering Committee focused on energy efficiency and renewables. This committee oversees the development of energy-related standards in Canada.
2 10. CONCLUSION - 3 At the end of Q3 2025, E1's year-to-date results were 105.7 GWh of net incremental energy - 4 savings, 19.7 MW of net peak demand savings, 5.2 GWh of net energy savings applicable to - 5 Affordable Multi-family Housing...
AI summary E1's Q3 2025 results show 105.7 GWh energy savings, 19.7 MW peak demand savings, and $47.2M investment. The MHEEP and Affordable Housing programs contributed to savings. The 2025 Annual Progress Report will be submitted to NSEB by March 31, 2026.
EfficiencyOne Q2 2025 DSM Quarterly Report
AI summary EfficiencyOne's Q2 2025 DSM Quarterly Report outlines progress in demand-side management initiatives under Nova Scotia's regulatory framework. The report involves Efficiency Nova Scotia (ENS) and is subject to oversight by the Nova Scotia Utility and Review Board (NSUARB). Key focus areas include energy efficiency programs like the Mi'kmaw Home Energy Efficiency Project (MHEEP) and Benefit-Cost Analysis (BCA) methodologies.
6 Table 2: Residential Efficient Product Rebates Rate Class Results Residential Efficient Product Rebates (2025 YTD) First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Expenditures ($ million) Units Reba...
AI summary Table 2 presents the results of residential efficient product rebates for 2025, showing energy and demand savings across various rate classes, along with expenditures and units rebated. The data highlights the impact of rebate programs on energy efficiency and savings.
Table 3: Existing Residential Rate Class Results Existing Residential (2025 YTD) First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Expenditures ($ million) Housing Units / Products (#) Residential/Chari...
AI summary Table 3 presents the existing residential rate class results for 2025, showing energy and demand savings, expenditures, and the number of housing units or products across various rate classes. The data includes savings metrics and financial expenditures related to energy efficiency programs.
3 Existing Residential includes the following program components: Affordable Multi-family Housing and Non-Profit Organizations, Efficient Product 4 Installation, Green Heat, Home Energy Assessment, Affordable Single-family Homes, Mi'kmaw H...
AI summary The document outlines the components of the Existing Residential program, including initiatives like Affordable Multi-family Housing, Efficient Product Installation, and the Mi'kmaw Home Energy Efficiency Project. It also notes that the Home Energy Assessment program primarily serves homes heated by electricity, with limited DSM funding for those using non-electric fuels.
11 Table 4: BNI Efficient Product Rebates Rate Class Results BNI Efficient Product Rebates (2025 YTD) First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Expenditures ($ million) Units Rebated (#) Residen...
AI summary Table 4 presents the results of the BNI Efficient Product Rebates program for 2025, showing energy and demand savings across various rate classes, along with expenditures and the number of units rebated. The data highlights the impact of the program on different customer segments, including residential, commercial, and industrial users.
1 Table 5: Custom Incentives Rate Class Results Custom Incentives (2025 YTD) First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Expenditures ($ million) Projects / Participants (#) Residential/Charitable...
AI summary Table 5 presents 2025 YTD energy and demand savings across Nova Scotia rate classes, including expenditures and project counts. Footnotes indicate rounding discrepancies, net savings calculations (accounting for free-ridership and spillover), and unaudited expenditure figures.
ATTACHMENT 2: UPDATE ON IMPLEMENTATION OF EVALUATION RECOMMENDATIONS Table 1: Update on Implementation of 2023 and 2024 Evaluation Recommendations
AI summary This attachment provides an update on the implementation of evaluation recommendations from 2023 and 2024. It outlines progress on initiatives related to energy efficiency, regulatory oversight, and program evaluations in Nova Scotia, involving key stakeholders such as Efficiency Nova Scotia and the Nova Scotia Utility and Review Board.
Table 1: Update on Implementation of 2023 and 2024 Evaluation Recommendations Year Evaluation Recommendation Source Comments Status 2023 Establish enrolled capacity based on test events when feasible. This approach would be consistent with...
AI summary This table outlines the implementation of 2023 and 2024 evaluation recommendations related to the BNI DR and AMH programs. EfficiencyOne (E1) has taken actions such as establishing enrolled capacity based on test events, providing case study examples for participants, and enhancing resources and documentation to support program navigation. All recommendations have been marked as completed.