E-1Report
28 passages
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.
3.1 Participation - Q3 participation results are provided in [Table 3](#page-11-0) as compared to the projected participation - uptake in the 2025 Plan as Approved. Results provide insight into current trends within program - components. -...
AI summary Participation in Nova Scotia's DSM programs shows mixed trends, with Affordable Single-family Homes exceeding targets while Instant Savings and Business Energy Rebates faced temporary pauses due to overspending. Green Heat and Appliance Retirement programs are being phased out, and Efficient Product Installation ended traditional measures in June 2025. The 2025 DSM Plan's $173 million budget influenced program adjustments.
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.
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.
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.
11 Table 6: Existing Residential EXISTING RESIDENTIAL (2025) Existing Residential Energy Savings (GWh) Demand Savings (MW) Expenditure ($ million) Unit Cost ($/kWh) 2025 Plan as Approved 60.6 10.2 23.6 0.39 2025 Year-end forecast 36.6 10.7...
AI summary The Existing Residential program's 2025 forecast shows energy savings below the approved targets, attributed to the paused Residential Behaviour program due to NS Power's cybersecurity incident and data unavailability. Revised savings expectations per participant, as noted in E1's 2024 DSM Annual Progress Report, further impacted performance.
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.
Green Heat Highlights - Green Heat energy savings were low in Q3, as preparations continued to phase out the program component at the end of 2025. The decision to discontinue this program component was made by E1 earlier this year followin...
AI summary Green Heat energy savings were low in Q3 2025 due to ongoing preparations to phase out the program by year-end. E1 decided to discontinue the program earlier this year after declining participation and savings. The final rebate application deadline is December 31, 2025.
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.
Business Energy Rebates Highlights • Energy and demand savings for Business Energy Rebates were lower in Q3 than the previous two quarters, as expected, following changes implemented earlier this year to manage the program component within...
AI summary Business Energy Rebates saw lower energy and demand savings in Q3 due to budget management changes, including reduced rebate levels for five lighting categories on April 15 and removal of solar PV rebates on April 30. These adjustments aimed to align the program with financial constraints.
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.
Strategic Energy Management Highlights - Strategic Energy Management supported 12 customers in Q3. - Two customers claimed savings in Q3, while most savings claims for the program component are expected in Q4.
AI summary Strategic Energy Management supported 12 customers in Q3, with two customers reporting savings. Most savings claims for the program are anticipated in Q4.
Program Component • The Direct Installation program is comprised of the Small Business Energy Solutions program component. Small Business Energy Solutions offers small businesses incentives and resources to encourage them to make energy ef...
AI summary The Direct Installation program includes the Small Business Energy Solutions component, offering incentives and resources for small businesses to implement energy-efficient upgrades. Participants can choose between a no-charge audit path or a do-it-yourself approach, with guidance to contractors.
DIRECT INSTALLATION (2025) the Efficiency Preferred Partner Network or a contractor of their choosing to complete and install approved measures.
AI summary The document outlines that EfficiencyOne's Preferred Partner Network or their contractors can install approved measures under the 2025 Direct Installation program, part of Nova Scotia's energy efficiency initiatives.
2 6. DEMAND RESPONSE - 3 E1 launched its Demand Response program in 2023, an initiative outlined in the 2023-2025 Plan - 4 with a Performance Target of 17.9 MW. It is delivered through the Residential and BNI sector - 5 Demand Response pro...
AI summary E1 launched its Demand Response program in 2023 with a 17.9 MW target, delivered through Residential and BNI sectors. The 2024/2025 season includes Commercial/Industrial Aggregator and Eco Shift pathways with specific devices. E1 will not meet its 2023-2025 Plan capacity target, as highlighted in Table 10.
2024/2025 season results • The Residential Demand Response program component achieved 0.6 MW of available capacity during the 2024/2025 season (December 1, 2024 to February 28, 2025) through the Eco Shift pathway, with those results still...
AI summary The Residential Demand Response program achieved 0.6 MW of available capacity during the 2024/2025 season via the Eco Shift pathway, with results pending evaluation. Four eligible devices were used: domestic hot water controllers, smart thermostats, EV telematics, and home battery storage units.
2025/2026 season preparations - Eco Shift device installation continued to increase in Q3 for the 2025/2026 demand response season, with 3,940 demand response devices (smart thermostats and domestic hot water direct load controllers) being...
AI summary Eco Shift device installations increased in Q3 for the 2025/2026 demand response season, with 3,940 devices installed and over 12,000 since August 2024. E1 collaborates with providers to ensure event-readiness and battery integration for demand response technologies.
1 9. ENABLING STRATEGIES - 2 The Enabling Strategies component in the 2023-2025 DSM Plan focuses on the following three - 3 categories: - 4 Education and Outreach; - 5 Development and Research; and - 6 Other Enabling Strategies. 7 - 8 [Tab...
AI summary The Enabling Strategies component of the 2023-2025 DSM Plan includes three categories: Education and Outreach, Development and Research, and Other Enabling Strategies. Table 13 details 2025 plan approvals, expenditures, and Q3 activity highlights.
Research - Quarterly tracking of quality assurance, participant satisfaction, and other attitudinal metrics among Nova Scotia households was completed to help E1 respond to changing market conditions. - A questionnaire and discussion guide...
AI summary EfficiencyOne (E1) conducted quarterly tracking of quality assurance and participant satisfaction metrics for Nova Scotia households. E1 also developed a questionnaire and discussion guide for evaluating the Small Business Energy Solutions audit client program, including surveys and follow-up discussions.
Other regulatory activities included: - participation in the two-day (September 22-23) public hearing on E1's BCA application; - ongoing development of the 2025 DSM annual evaluation with E1's independent evaluation consultant; and - ongoi...
AI summary Activities included participation in a public hearing on E1's BCA application, collaboration with E1's consultant on 2025 DSM evaluation, and ongoing implementation of evaluation recommendations. Updates on 2024 recommendations are referenced in Attachment 2.
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.
1 2. 2025 RATE CLASS RESULTS BY PROGRAM - 2 Tables 2 through 6 provide a breakdown of net incremental energy and net peak demand - 3 savings, expenditures, and participation achieved year-to-date, by rate class within each - 4 program.
AI summary Tables 2 through 6 detail net incremental energy and peak demand savings, expenditures, and participation by rate class within each program for 2025. The data reflects year-to-date results from Nova Scotia's regulatory proceeding on rate class outcomes.
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.