E-12024 DSM Annual Progress Report
22 passages
1. EXECUTIVE SUMMARY - EfficiencyOne ("E1") delivers demand side management ("DSM") programs and is the - administrator and operator of the Efficiency Nova Scotia ("ENS") franchise. The 2024 Annual - Progress Report ("APR") summarizes E1's...
AI summary EfficiencyOne (E1) administers the Efficiency Nova Scotia (ENS) franchise and reports on its 2024 demand side management (DSM) program results. The 2023-2025 DSM Plan, approved by the Nova Scotia Utility and Review Board (NSUARB) with a $173M investment, set four performance targets. In 2024, E1 achieved 74% progress toward the 412.7 GWh energy savings target and partial progress on other metrics.
3. 2024 PORTFOLIO RESULTS - In comparison to E1's 2024 mid-course targets, E1 achieved the following results: - 172.8 GWh of incremental annual net energy savings (121% of the mid-course adjusted target of 142.6 GWh); - 30.7 MW of annual n...
AI summary EfficiencyOne (E1) exceeded 2024 mid-course energy and demand savings targets by 121% for energy savings, 119% for peak demand, and 113% for demand response capacity. Achievements were driven by Residential and Business, Non-Profit, and Institutional sectors, with specific programs like the Mi'kmaw Home Energy Efficiency Project meeting 100% of their allocated targets.
Table 1: 2024 Results to 2024 Plan as Approved, 2024 Mid-Course Adjustments, and 2024 Year-End Forecast abic 1. 2024 Nest 1111 , Affordable Single-family Homes 2.9 54.8 0.8 8.2 2.8 54.1 1.0 5.6 3.1 59.0 1.5 7.9 3.7 74.4 2.1 8.4 Mi'kmaw Hom...
AI summary Table 1 outlines the 2024 results compared to the 2024 plan, mid-course adjustments, and year-end forecasts for various energy efficiency programs. It includes data on affordable single-family homes, the Mi'kmaw Home Energy Efficient Project, residential behavior, and new residential initiatives.
1 Table 2: 2024 Participation Participation Results Unit 2023-2025 Plan as Approved 2024 Plan as Approved 2024 Mid-Course (MCA) 2024 Results % of 2024 Results to MCA % of 2024 Results to 2024 Plan as Approved % of 2024 Results to 2023-2025...
AI summary Table 2 outlines participation and results for various energy efficiency and demand-side management programs in 2024, comparing actual results to approved plans and mid-course targets. The data shows participation levels and performance metrics for initiatives such as efficient product rebates, appliance retirement, and residential and business programs.
Program Components - Appliance Retirement retires 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 household appliances and coordinates replacements under specific initiatives, and Instant Savings, offering point-of-sale rebates for energy-efficient purchases. Both aim to enhance energy efficiency and support eligible participants.
Appliance Retirement Highlights • Appliance Retirement energy and demand savings were consistent with expectations in 2024; however rising delivery costs combined with declining savings from increasingly newer and more efficient units bein...
AI summary Appliance Retirement program savings in 2024 were consistent but faced challenges from rising delivery costs and declining savings due to retiring newer, efficient units, prompting a program review. Savings are attributed to HomeWarming and Mi'kmaw Home Energy Efficiency Project, with E1 administering the former using DSM funds for non-electrically heated homes.
2 5.2.2 Existing Residential - 3 The Existing Residential program consists of the following program components: - 4 Affordable Multi-family Housing and Non-Profit Organizations; - 5 Affordable Single-family Homes; - 6 Efficient Product Ins...
AI summary The Existing Residential program includes components such as Affordable Multi-family Housing, Efficient Product Installation, Green Heat, Home Energy Assessments, and the Mi'kmaw Home Energy Efficiency Project, aimed at improving residential energy efficiency through various initiatives.
Mi'kmaw Home Energy Efficiency Project Highlights • Participation in the Mi'kmaw Home Energy Efficiency Project was higher in 2024 than any previous year in the project's history, but the program component did not meet its mid-course adjus...
AI summary Participation in the Mi'kmaw Home Energy Efficiency Project increased in 2024, but energy and demand savings targets were unmet due to a billing analysis updating the HOT2000 software overestimation ratio. Outreach included distributing a bilingual 2023 Impact Report and program materials to 13 First Nations communities.
5.5.1 Performance Target In the 2023-2025 approved Plan, the NSUARB established a Performance Target of 15.8 GWh for cumulative annual energy savings applicable to Affordable Single-family Homes, Affordable Multi-family Housing, and Mi'kma...
AI summary The NSUARB set a 15.8 GWh energy savings target for E1's 2023-2025 DSM Plan. E1 met the 2024 mid-course target (5.3 GWh) through Affordable Single-family Homes, though Multi-family and Mi'kmaw projects fell short due to lower applications and software overestimation. E1 aims to achieve 90% of the overall target in the final year.
6 202 4 Plan as Ap proved 20 2024 Mid-Course Adjustment 2024 Forec ast (Year-Er nd) 2024 Results Program Components First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Investment ($ million) Participation...
AI summary The table presents energy savings and investment data 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 first-year and lifetime energy savings, peak demand savings, investment amounts, and participation numbers for the 2024 Plan as Approved.
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: March 31, 2025 Page...
AI summary The text references appliance replacement programs, specifically the Affordable Single-family Homes and Mi'kmaw Home Energy Efficiency Project, which are coordinated through Appliance Retirement. These programs are subsets of participating homes in a larger initiative.
10 Table 14: 2024 Enabling Strategies
AI summary Table 14 outlines 2024 Enabling Strategies, referencing acronyms like DSM, ENS, and NSUARB. It likely details initiatives for energy efficiency and regulatory compliance in Nova Scotia, involving organizations such as Efficiency Nova Scotia and EfficiencyOne.
ENABLING STRATEGIES 2024 ACTIVITY HIGHLIGHTS
AI summary This section from a Nova Scotia regulatory proceeding highlights Enabling Strategies 2024 activities, focusing on energy efficiency programs and collaborations involving Efficiency Nova Scotia, EfficiencyOne, and the Mi'kmaw Home Energy Efficiency Project, under the oversight of the Nova Scotia Utility and Review Board.
Education and Outreach Education and Outreach activities in 2024 included the following activities: - E1 participated in five home shows; as well as the Build Green Atlantic conference, which had record attendance and featured several E1 s...
AI summary E1 conducted outreach through home shows, conferences, and summer events across all 18 Nova Scotia counties. Green Schools engaged 30,375 students, with focused efforts in communities with high African Nova Scotian and Mi'kmaw populations. Ecology Action Centre developed training and educational videos on energy efficiency featuring Mi'kmaw and African Nova Scotian voices.
14 Residential Sector Programs
AI summary The section outlines residential sector programs under Nova Scotia's regulatory proceeding, referencing key acronyms like DSM, E1, ENS, and NSUARB. It highlights initiatives such as the Mi'kmaw Home Energy Efficiency Project (MHEEP) and mentions regulatory oversight by the NSUARB.
6. CONCLUSION - In 2024, E1 achieved 172.8 GWh of incremental annual net energy savings (121% of the mid- - course adjusted target of 142.6 GWh), 30.7 MW of annual net peak demand savings (119% of the - mid-course adjusted target of 25.7 M...
AI summary E1 exceeded 2024 DSM targets for energy and demand savings but expects to miss the available capacity target. They plan to spend $173 million under their 2023-2025 plan and will file a quarterly report in May 2025.
ATTACHMENT 1: 2024 RATE CLASS RESULTS
AI summary Attachment 1 presents the 2024 rate class results from a Nova Scotia regulatory proceeding, involving entities such as Efficiency Nova Scotia (ENS), EfficiencyOne (E1), and the Nova Scotia Utility and Review Board (NSUARB). Key programs include the Mi'kmaw Home Energy Efficiency Project (MHEEP) and Demand Side Management (DSM).
Attachment 1: 2024 Rate Class Results
AI summary Attachment 1 presents 2024 Rate Class Results from a Nova Scotia regulatory proceeding, likely detailing utility rate structures and associated programs. Key entities include regulatory bodies and energy efficiency initiatives mentioned in contextual acronyms.
1. RATE CLASS SPENDING ALLOCATION METHODOLOGY
AI summary The document outlines the methodology for allocating spending across different rate classes within a regulatory proceeding. It involves considerations of demand-side management, efficiency programs, and regulatory oversight by Nova Scotia's utility board.
5 3. 2024 RESULTS BY RATE CLASS 6 2024 annual expenditures were higher than the 2024 Plan as Approved expenditures, asspending 7 increased overall. The increased investment was spread fairly evenly amongst most rate classes 8 and was fairl...
AI summary 2024 expenditures exceeded the approved plan, with increased investment across most rate classes except large general and medium industrial. Medium industrial spending rose due to higher BNI Demand Response participation (76 participants in 2024 vs. 9 in 2023), with over 50% of incentives allocated to medium industrials. Variability in spending is influenced by BNI sector project timing and participation.
13 Existing Residential includes the following program components: Affordable Multi-family Housing and Non-Profit Organizations, Efficient Product 14 Installation, Green Heat, Home Energy Assessment, Affordable Single-family Homes, Mi'kmaw...
AI summary The Existing Residential program includes several components such as Affordable Multi-family Housing, Efficient Product Installation, Green Heat, and the Mi'kmaw Home Energy Efficiency Project. The Home Energy Assessment component primarily targets homes heated by electricity, with some non-electric homes also participating. The Appliance Retirement program collects eligible appliances from BNI customers and residential participants.
ATTACHMENT 2: EVALUATOR AND VERIFIER RECOMMENDATION UPDATES Table 1: Update on Implementation of 2018-2022 Evaluation Recommendations Table 2: Update on Implementation of 2021-2022 Verification Recommendations Table 3: Update on Implementa...
AI summary Attachment 2 provides updates on the implementation of evaluation and verification recommendations from 2018-2022 and 2023. It includes four tables tracking progress on evaluator and verifier recommendations, though specific details of the updates are not outlined in the provided text.
E-22024 DSM Programs Evaluation Reports
18 passages
Table 6: Comparison of 2024 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 2024. It shows results for residential, BNI, and demand response programs, highlighting differences in net savings and available capacity, along with net realization rates for each component.
Existing Residential In 2024, the net electrical energy savings for Existing Residential reached 53.331 GWh at the generator, while the net peak demand savings amounted to 14.229 MW at the generator. Existing Residential is comprised of Af...
AI summary In 2024, Existing Residential programs achieved 53.331 GWh of net electrical energy savings and 14.229 MW of peak demand savings. The category includes Affordable Multifamily Housing, Affordable Single-family Homes, Efficient Product Installation, Green Heat, Home Energy Assessment, the Mi'kmaw Home Energy Efficiency Project, and Residential Behaviour. Program component results are detailed below.
Mi'kmaw Home Energy Efficiency Project - › While MHEEP achieved the highest participation since its inception with an increase of 19%, the average energy savings per participant decreased by 41%, generating 31% lower gross energy savings a...
AI summary The Mi'kmaw Home Energy Efficiency Project (MHEEP) saw a 19% increase in participation but a 41% drop in average energy savings per participant in 2024. Evaluated net electrical energy savings were lower than initial estimates, while peak demand savings were higher, impacting gross energy and peak demand outcomes.
Table 9: 2024 Evaluated GHG Emission Reductions DSM Program Program Component Gross Annual Avoided GHG Emissions in CO2 eq Tonnes Net Annual Avoided GHG Emissions in CO2 eq Tonnes Residential Efficient Appliance Retirement 1,981 1,117 Prod...
AI summary Table 9 presents evaluated greenhouse gas (GHG) emission reductions for 2024 under various demand-side management (DSM) programs in Nova Scotia. The table includes both gross and net annual avoided emissions in CO2 equivalent tonnes for different program components, such as appliance retirement, product rebates, and energy assessments.
MHEEP Findings and Recommendations This subsection presents the key findings from the MHEEP evaluation. The Evaluator has no specific recommendation for MHEEP. 2024 MHEEP-Finding: MHEEP net electrical energy savings fell short of targets b...
AI summary The MHEEP program underperformed in 2024, achieving 35% less net energy savings than targets but exceeding peak demand savings by 189%. Participation increased by 19%, yet energy savings per participant fell by 41%. Discrepancies with E1's data stemmed from revised adjustment ratios and heat pump peak demand metrics.
25 MHEEP Overview This section describes the Mi'kmaw Home Energy Efficiency Project (MHEEP or the Project) program component, follows up on past evaluation recommendations, and provides an overview of MHEEP participation history.
AI summary This section outlines the Mi'kmaw Home Energy Efficiency Project (MHEEP), detailing its program component, follow-up on prior evaluation recommendations, and an overview of historical participation in the initiative.
25.1 MHEEP Description MHEEP provides energy efficiency upgrades to homes in Mi'kmaw communities at no cost to participants or communities. E1 works with community housing managers (HMs), two delivery agents (DAs), and Mi'kmawpreferred con...
AI summary The Mi'kmaw Home Energy Efficiency Project (MHEEP) delivers free energy efficiency upgrades to Mi'kmaw communities in Nova Scotia through E1, community housing managers, and delivery agents. It includes home assessments, building envelope upgrades, appliance replacements, and moisture management measures. Funding comes from Electricity ratepayer DSM funding and Province of Nova Scotia (PNS) funds, with goals of achieving 0.618 GWh in electrical savings and 0.167 MW in peak demand reduction by 2024.
25.2 Follow-up on Past Evaluation Report Recommendations No recommendations were made for MHEEP in the 2023 evaluation.
AI summary The 2023 evaluation of the Mi'kmaw Home Energy Efficiency Project (MHEEP) did not result in any recommendations being made, indicating that the program's performance or outcomes were either satisfactory or not requiring further action based on the assessment.
25.3 Participation History As presented in [Figure](#page-42-0) 16 below, 192 participants completed projects and achieved electrical energy savings under MHEEP in 2024, representing a 19% increase in participation compared to 2023 and the...
AI summary The MHEEP program saw a 19% increase in participants in 2024, but average energy savings per participant dropped by 41% due to updated adjustment ratios. Appliance replacements also occurred, and peak demand savings increased despite lower energy savings.
Unitary Savings Review A unitary savings review was conducted for all measures (excluding the savings estimates obtained from HOT2000 and for MSHPs whose savings relied on the billing analysis) as part of a major update to the 2024- 2025 D...
AI summary A unitary savings review was conducted for measures in the 2024-2025 DSM MA, excluding HOT2000 and MSHPs. The review involved analyzing technical manuals, metering studies, and program evaluations to refine methodologies for calculating energy savings, with the Evaluator assessing factors like study relevance, climate, and methodology quality.
GHG Emission Reduction Calculations To obtain net avoided GHG emissions in CO2 eq for MHEEP, the Evaluator multiplied the net energy savings by the latest Nova Scotia-specific factor for GHG emissions generated by electricity production. T...
AI summary To calculate net avoided GHG emissions in CO2 eq for MHEEP, the Evaluator used Nova Scotia-specific electricity generation emission factors derived from NS Power data, multiplying net energy savings by this factor.
27 MHEEP Impact Evaluation The objectives of the 2024 MHEEP condensed impact evaluation were to determine gross and net electrical energy and peak demand savings, annually avoided GHG emissions, as well as EUL values and associated lifetim...
AI summary The 2024 MHEEP condensed impact evaluation assesses electrical energy and peak demand savings, annual GHG emission reductions, and EUL values. The report focuses on standard-allocation electrical savings, excluding nonelectrical energy savings from installed measures.
27.2 Gross Savings MHEEP gross savings correspond to the change in energy consumption resulting from the measures implemented by participants regardless of why they participated.[64](#page-177-0) In 2024, MHEEP participants received buildi...
AI summary MHEEP gross savings are calculated based on energy consumption changes from implemented measures, including building envelope and heating upgrades. Non-modeled measures use unitary savings values. Methodologies are detailed in subsections, referencing NREL's Uniform Methods Project for net savings estimation.
27.2.1 Electrical Energy Savings For MHEEP, electrical energy savings are calculated based on HOT2000 simulation results adjusted with billing analysis results and unitary savings values for prescriptive measures, as shown in the equation...
AI summary Electrical energy savings for the Mi'kmaw Home Energy Efficiency Project (MHEEP) are calculated using HOT2000 simulation results, adjusted with billing analysis and unitary savings values for prescriptive measures, as represented in the provided equation.
Table 74: Tracked and Evaluated 2024 MHEEP Equivalent EUL Values Measure Tracked Equivalent EUL [years] Evaluated Equivalent EUL [years] Heat Pump Water Heaters 10 15 Building Envelope (Modelled) 20.8 20.5 Space Heating Equipment (Modelled...
AI summary Table 74 presents the tracked and evaluated Equivalent Useful Life (EUL) values for various energy efficiency measures under the Mi'kmaw Home Energy Efficiency Project (MHEEP) in 2024, including Heat Pump Water Heaters and modeled building envelope and space heating equipment. The section also mentions 'Evaluated Gross Savings' in 27.2.5.
Mi'kmaw Home Energy Efficiency Project Appendix XXXIV: MHEEP Tracking Sheet Audit Appendix XXXV: MHEEP 2024 Recommendations
AI summary The document includes appendices related to the Mi'kmaw Home Energy Efficiency Project (MHEEP), focusing on tracking sheets and 2024 recommendations, indicating regulatory oversight and evaluation of the program's implementation and outcomes.
APPENDIX XXXV MHEEP 2024 Recommendations The Evaluator made no specific recommendation as part of the 2024 MHEEP evaluation.
AI summary The Evaluator did not provide specific recommendations as part of the 2024 Mi'kmaw Home Energy Efficiency Project (MHEEP) evaluation, indicating no actionable outcomes were proposed from the assessment process.
t factor is based on the metering protocol of the New York Department of Public Service[138](#page-173-7) and the part-use factor is calculated based on 2022 participant survey data.[139](#page-173-8) For freezers replaced through HomeWarm...
AI summary The text details methodology for calculating unitary energy savings for freezers replaced via HomeWarming and MHEEP programs, using 1994-era freezer data and EnerGuide ratings. It notes no part-use factor applies due to primary freezer replacement criteria and cites data sources including survey results and ENERGY STAR tools.