E-12023 DSM Annual Progress Repot
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curtailment. While E1 met its 2023 mid-course targets for Affordable Multi-family Housing and Mi'kmaw Home Energy Efficiency Project, it fell short of its savings target for Affordable Single-family Homes, leading to an overall gap in reac...
AI summary E1 met some 2023 mid-course targets but fell short on Affordable Single-family Homes due to capacity challenges, leading to reduced savings. Additional delivery agents and staff were added to address the issue. Total expenditures were below the mid-course adjusted target.
Table 1: 2023 Results to 2023 Plan as Approved, 2023 Mid-Course Adjustments, and 2023 Year-End Forecast 2023 Affordable Multi-family Housing 1.9 33.9 0.6 1.3 1.2 22.5 0.3 0.9 1.3 22.9 0.5 0.9 1.5 25.5 0.7 0.9 _ _ Efficient Product Installa...
AI summary Table 1 presents the 2023 results compared to the 2023 plan as approved, mid-course adjustments, and year-end forecasts for various energy efficiency programs, including Affordable Multi-family Housing, Efficient Product Installation, Green Heat, and Home Energy Assessment.
Table 2: 2023 Participation Iable Table 2. 2023 Participation Partici pation Results Unit 2023-2025 Plan as Approved 2023 Plan as Approved 2023 Mid-Course (MCA) 2023 Results % of 2023 Results to MCA % of 2023 Results to 2023 Plan as Approv...
AI summary Table 2 presents participation data for various energy efficiency programs in 2023, including Efficient Product Rebates, Appliance Retirement, and Home Energy Assessments. The data compares actual results to the 2023 Plan as Approved and the 2023 Mid-Course Adjustment (MCA). Most programs exceeded their MCA targets, with some significantly surpassing the approved plan.
Table 3: 2023 Unit Cost 2023 First-Year Unit Cost 2023 Plan as Approved ($/kWh) 2023 Mid-Course Adjustment ($/kWh) 2023 Year-End forecast ($/kWh) 2023 Results ($/kWh) Program Status 2 Efficient Product Rebates Appliance Retirement Instant...
AI summary Table 3 outlines the 2023 unit costs for various energy efficiency programs in Nova Scotia, including Efficient Product Rebates, Residential and Low-Income initiatives, and Business, Non-Profit, and Institutional programs. The table includes first-year unit costs, mid-course adjustments, year-end forecasts, and results for each category.
4. FORECAST FOR 2023-2025 DSM PLAN PERIOD - E1's three-year Plan forecast provides additional insight on the DSM Plan implementation after - the first year. For 2023, the three-year Plan forecast reflects E1's 2023 actual savings results a...
AI summary E1's 2023-2025 DSM Plan forecast outlines continued focus on DSM programs, reinvestment of 2023 underspend into 2024 and 2025 activities, and plans to expand delivery capacity for affordable housing programs. Mid-course adjustments will be reported to the NSUARB.
Affordable Multi-family Housing and Non-Profit Organizations Highlights - Affordable Multi-family Housing saw strong participation and savings results in 2023, as 79 projects completed, reaching its highest level of participation since lau...
AI summary Affordable Multi-family Housing in Nova Scotia achieved record participation in 2023 with 79 completed projects, driven by outreach and co-funding. Rising costs prompted rebate adjustments, though some participants withdrew due to lower-than-expected rebates. The program targeted co-ops to avoid split-incentives and used digital marketing to boost engagement.
2 5.5.1 Performance Target 3 In the 2023-2025 approved Plan, the NSUARB established a Performance Target of 15.8 GWh for 4 cumulative annual energy savings applicable to Affordable Single-family Homes, Affordable Multi-family Housing, and...
AI summary Efficiency Nova Scotia (E1) missed its 2023 mid-course energy savings target for Affordable Single-family Homes due to capacity challenges with delivery agents and contractors. E1 added two delivery agents in Q3 2023 and plans to expand further in 2024 to meet its 15.8 GWh cumulative annual energy savings target for Affordable Homes and Mi'kmaw projects, referencing a 2022 NSUARB decision.
5 2023 Plan as Approved 2023 Mid-Course Adjustment 2023 Forecast (Year-End) 2023 Results Program Components First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Investment ($ million) Participation (#) Fir...
AI summary The table presents energy savings, participation, and investment data for various energy efficiency programs in Nova Scotia for 2023, including Affordable Multi-family Housing, Affordable Single-family Homes, and the Mi'kmaw Home Energy Efficiency Project. The data includes approved plans, mid-course adjustments, forecasts, and results.
Appliance replacements delivered through Affordable Single-family Homes and Mi'kmaw Home Energy Efficiency Project (coordinated through Appliance Retirement) are subsets of the number of participating homes. Date Filed: April 1, 2024 Page...
AI summary The text mentions appliance replacements through specific programs, including Affordable Single-family Homes and the Mi'kmaw Home Energy Efficiency Project, which are subsets of participating homes. The document was filed on April 1, 2024, and is page 36 of 44.
2022 Verification (MHEEP) Assess potential errors in tracking sheet treatments of heat pump savings and demand reduction as found by the Evaluator in the Affordable Multifamily Housing Program in other programs, such as MHEEP, that provide...
AI summary The 2022 verification recommendation addresses potential errors in tracking sheet treatments of heat pump savings and demand reduction in the MHEEP program, based on findings from the Affordable Multifamily Housing Program. E1 agrees with the recommendation and has investigated the potential errors.
E-22023 DSM Programs Evaluation Reports
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Table 6: Comparison of 2023 Evaluated and Tracked Peak Demand Savings at the Generator a Tracked Results Evaluated Results DSM Program Program Component Annual Gross Savings (MW) Annual Net Savings (MW) Available Capacity (MW) Annual Gross...
AI summary Table 6 presents a comparison of evaluated and tracked peak demand savings for various demand-side management (DSM) programs in 2023. It includes data on residential, BNI, and demand response programs, with metrics such as annual gross and net savings, available capacity, and net realization rates.
Affordable Multifamily Housing - › Affordable Multifamily Housing continued to grow and achieved its highest level of participation since its launch in 2018 (a 61% increase compared to 2022), largely driven by an increase in prescriptive p...
AI summary Affordable Multifamily Housing saw a 61% increase in participation since 2022, driven by prescriptive projects. Evaluated net energy savings matched EOne's tracking, but net peak demand savings were 5% higher.
Table 8: 2023 Evaluated Net Lifetime Energy Savings at the Generator DSM Program Program Component Annual Net Energy Savings (GWh) Lifetime Net Energy Savings (GWh) Weighted Average EUL (years) Share of Annual Net Energy Savings (%) Share...
AI summary Table 8 presents the 2023 evaluated net lifetime energy savings by DSM program and component, highlighting the contribution of residential, BNI, and overall programs to annual and lifetime energy savings. The table includes energy savings metrics such as GWh, weighted average EUL, and percentage shares. Section 3.4 discusses greenhouse gas emission reductions.
Program Components Bibliographic References Nova Scotia Utility and Review Board, Matter M06555, 2014 Cost of Service Study Progress Update, Exhibit N-2.09, Appendix 1 GDS Associates. Measure Life Report Residential and Commercial/Industri...
AI summary The document references various programs and studies related to energy efficiency and affordability in Nova Scotia, including the Affordable Multifamily Housing and Single-family Homes programs, along with supporting documents and evaluations from the Nova Scotia Utility and Review Board and Nova Scotia Power.
AMH Findings and Recommendations This subsection presents the key findings from the AMH evaluation. The Evaluator has no specific recommendation for AMH. 2023 AMH-Finding: AMH net electrical energy and peak demand savings exceeded targets...
AI summary The AMH evaluation found that AMH exceeded its energy and peak demand savings targets by 17% and 118% respectively in 2023. Participation in AMH reached its highest level since 2018, driven by prescriptive projects. The Evaluator's net energy savings were nearly identical to EOne's tracked savings, but net peak demand savings were 5% higher.
3.1 Satisfaction with HEA There was a high level of satisfaction with HEA overall, with an average rating of 8.3. 5 Participants who were less satisfied (27%) mentioned that it took too long to receive their rebate (44%), which was likely...
AI summary Participants expressed high satisfaction with the Home Energy Assessment (HEA) program, with an average rating of 8.3. However, 27% of participants were less satisfied, citing issues such as delays in receiving rebates, unclear program requirements, and difficulties accessing information. The Net Promoter Score (NPS) for HEA was 62, indicating strong likelihood of participants recommending the program.
20 AMH Overview This section describes Affordable Multifamily Housing (AMH), follows up on past evaluation recommendations, and provides an overview of participation history.
AI summary This section provides an overview of Affordable Multifamily Housing (AMH), addresses past evaluation recommendations, and outlines participation history related to AMH.
20.1 AMH Description AMH provides affordable housing owners and non-profit organizations, such as rehabilitation or transition houses, with incentives for building-wide energy retrofit projects with the intent of reducing electrical and no...
AI summary The Affordable Multifamily Housing (AMH) program provides incentives for energy retrofit projects in affordable housing and non-profit organizations, aiming to reduce energy consumption. Participants must complete a registration process and energy audit, with funding sourced from electricity ratepayers and the Province of Nova Scotia. Incentive amounts have been adjusted over time, and the program targets significant energy savings.
20.3 Participation History Since 2021, AMH savings are generated by two types of projects, namely comprehensive and prescriptive projects. In 2023, 79 projects generating electrical savings were completed under AMH, including 11 comprehens...
AI summary Since 2021, AMH savings are generated through comprehensive and prescriptive projects. In 2023, 79 projects generated 1.460 GWh in gross energy savings and 0.741 MW in gross peak demand savings. Prescriptive projects increased significantly in 2023 compared to 2022, while comprehensive projects decreased slightly. Prescriptive projects accounted for 91% of energy savings and 95% of peak demand savings in 2023.
21 AMH Evaluation Approach The 2023 evaluation consisted of a condensed impact evaluation. The main objectives of the 2023 AMH evaluation were as follows: › Calculate gross and net AMH results, namely electrical first-year and lifetime ene...
AI summary The 2023 AMH evaluation focused on calculating gross and net results, including energy savings, peak demand savings, and avoided GHG emissions. The evaluation involved identifying key research questions and mapping them to methods and sample sizes.
Table 67: 2023 AMH Evaluation Approach Evaluation Objectives Research Questions Methodology Calculate gross results › Are the data in the tracking sheet complete, accurate, and consistent? › Using the adjustment ratio from the 2022 evaluat...
AI summary Table 67 outlines the 2023 evaluation approach for the Affordable Multifamily Housing (AMH) program. It includes objectives such as calculating gross and net results, research questions regarding data accuracy and energy savings, and methodologies like tracking sheet audits and calculations using a Net To Gross Ratio (NTGR) of 1.
GHG Emission Reduction Calculations To obtain net avoided GHG emissions in CO2 eq for AMH, the Evaluator multiplied the net energy savings by the latest Nova Scotia-specific factor for GHG emissions generated by electricity production. Thi...
AI summary The Evaluator calculated net avoided GHG emissions for AMH by multiplying net energy savings by a Nova Scotia-specific factor derived from NS Power data.
22 AMH Impact Evaluation The objectives of the 2023 AMH impact evaluation were to determine gross and net electrical energy and peak demand savings, annually avoided GHG emissions, as well as the EUL and associated lifetime energy savings.
AI summary The 2023 AMH impact evaluation aimed to assess gross and net electrical energy and peak demand savings, annually avoided GHG emissions, and the EUL with associated lifetime energy savings.
22.2 Gross Savings Gross savings correspond to the change in energy consumption resulting from various electrical energy saving upgrades such as building envelope measures, space heating measures, and domestic hot water (DHW) measures impl...
AI summary This section discusses gross savings from energy consumption reductions due to electrical energy-saving upgrades implemented by AMH participants. It outlines two project types—comprehensive and prescriptive—and the tools used to calculate energy savings.
Table 68: 2023 AMH Equivalent EUL Values for Prescriptive Measures Measure Category Evaluated Equivalent EUL [years] Source Heating Systems 18 GDS, 200755 – Heat Pumps Lighting 5.7 Lifetime of 50,000 hours based on model specifications. As...
AI summary The document presents tables with Equivalent Useful Life (EUL) values for prescriptive and comprehensive energy efficiency measures in Affordable Multifamily Housing (AMH) in 2023. The tables include EUL values for heating systems, lighting, and appliance upgrades, along with sources and assumptions for the calculations.
22.3 Net Savings The Evaluator determined the net energy and peak demand savings, i.e. the electrical energy and peak demand savings that can be reliably attributed to a program component, by estimating the net-to-gross ratio (NTGR). More...
AI summary The Evaluator calculated net energy and peak demand savings for the AMH program by using a net-to-gross ratio (NTGR) of 1.00, as free-ridership and spillover effects were considered negligible due to the program's target audience of non-profits and low-income housing owners.
22.3.1 Evaluated Net Savings Net savings are defined as the changes in energy use that are specifically attributable to AMH. Since spillover and free-ridership effects were considered nil, the net energy savings are equal to the gross savi...
AI summary The AMH program exceeded its electrical energy and peak demand savings targets by 17% and 118% respectively, with net savings equal to gross savings due to nil spillover and free-ridership effects.
Table 72: Comparison of 2023 AMH Tracked and Evaluated Savings at the Generator Gross Savings NTGR Net Savings Realization Rate Value Unit Value Value Unit Value Energy Savings Tracked Savings by EOne 1.462 GWh 1.00 1.462 GWh 100% Evaluati...
AI summary Table 72 compares 2023 AMH tracked and evaluated savings at the generator. Energy savings tracked by EOne were nearly identical to evaluated results, while peak demand savings were 5% higher due to adjustment ratios applied during evaluation.
23 AMH Key Findings and Recommendations As mentioned previously, the main objectives of the 2023 AMH evaluation were as follows: › Calculate gross and net AMH results, namely electrical first-year and lifetime energy savings, peak demand s...
AI summary The 2023 AMH evaluation found that AMH exceeded its net electrical energy savings targets by 17% and net peak demand savings targets by 118%. Participation grew significantly, with 79 completed projects in 2023, and energy savings were nearly aligned with EOne's tracking, though peak demand savings were 5% higher due to adjustment ratios.
The Evaluator determined the net energy and peak demand savings, i.e. the electrical energy and peak demand savings that can be reliably attributed to a program component, by estimating the net-to-gross ratio (NTGR). More precisely, the NT...
AI summary The Evaluator calculated the net-to-gross ratio (NTGR) to determine the net energy and peak demand savings from a program component, considering free-ridership and spillover effects. For Affordable Single-Family Housing (ASFH), a NTGR of 1.00 was used as free-ridership and spillover effects were considered nil due to the nature of participants being non-profits or low-income housing owners.
Affordable Multifamily Housing Appendix XX AMH Tracking Sheet Audit Appendix XXI AMH 2023 Recommendations
AI summary The document includes an appendix tracking sheet audit and recommendations for Affordable Multifamily Housing (AMH) in 2023, though specific details are not provided in the text.
Table 168: Thermostatic Shower Valve Installation Rate Installation Rate Source 100% Assumption (4) Pipe Insulation
AI summary The text presents a table outlining the assumed 100% installation rate for thermostatic shower valves, followed by a section titled '(4) Pipe Insulation' which likely discusses related energy efficiency measures.