E-12027-2031 DSM Plan Application
8 passages
- 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 outlines the 2027 DSM Preferred Plan Savings and Investment by Program Component, detailing investment amounts, lifetime benefits, energy savings, and other metrics for residential and BNI EE programs, as well as Enabling Strategies (ES).
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 outlines the 2028 DSM Preferred Plan Savings and Investment by Program Component, detailing investment amounts, energy savings, and benefits for residential and BNI EE programs, as well as Enabling Strategies (ES). The data includes metrics such as first-year and lifetime energy savings, peak demand savings, and program administrator cost tests.
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 presents the 2031 DSM Preferred Plan Savings and Investment by Program Component, including details on investment, benefits, energy savings, and cost tests for various residential and BNI EE programs, as well as enabling strategies.
1 4.5.1 LOW-INCOME AND EQUITY INVESTMENT AND SAVINGS - 2 E1's 2027–2031 DSM Preferred Plan includes dedicated program components that exclusively serve low- - 3 income and equity communities. These program components include Affordable Mul...
AI summary E1's 2027–2031 DSM Preferred Plan includes dedicated low-income and equity programs (e.g., Affordable Multifamily Housing, Mi'kmaw projects) accounting for 11% of residential savings. The Solar-PV program is also targeted at these communities. Incidental impacts from non-targeted programs like Efficient Product Installation are also noted, with details in Attachment 1 and Table 14.
2 Table 22: 2027–2031 Efficient Product Installation Program Component Investment Energy Savings Demand Savings Participation ($M) (GWh) (MW) (products) 7.3 7.8 0.5 40,060
AI summary Table 22 outlines the Efficient Product Installation Program Component for the years 2027–2031, including investment, energy savings, demand savings, and participation metrics. The table provides quantitative data on the expected outcomes of the program.
Participation is the number of homes in Affordable Single-family Homes, Home Energy Assessment and Mi'kmaw Home Energy Efficiency Project; the number of products in Efficient Product Installation; and the number of projects in Affordable M...
AI summary The text provides participation metrics for various energy efficiency programs, including Affordable Single-family Homes, Home Energy Assessment, and Mi'kmaw Home Energy Efficiency Project, along with product and project counts for Efficient Product Installation and Affordable Multifamily Housing. The date filed is March 31, 2026.
1 Table 27: 2027–2031 Existing Residential Low-Income and Equity Performance Indicators Year Investment ($ 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.
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 Table 6 outlines the 2029 Alternate Scenario Savings and Investment by Program Component, focusing on Efficient Product Rebates. The table shows an investment of $4.8 million, with lifetime benefits of $32.5 million, first-year energy savings of 13.5 GWh, and lifetime energy savings of 152.4 GWh. The weighted average measure life is 6.8 years, and the program administrator cost test (PAC) is included.
E-22025 DSM Annual Progress Report
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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.
- Affordable Single-family Homes' unit cost was lower than the 2025 Plan, as the energy savings were higher than expected, driven primarily by increased participation; and costs were lower, in part due to the transition in 2025 to managing...
AI summary The 2025 unit costs for DSM programs show mixed results: Affordable Single-family Homes had lower costs due to higher energy savings and project transitions, while Efficient Product Installation and Green Heat exceeded the 2025 Plan due to cost shifts and reduced savings. Home Energy Assessment costs were lower due to grant incentives. Factors like heating source splits and program adjustments influenced outcomes.
- o Residential Behaviour, Custom, Strategic Energy Management, the Application Rebates service of Business Energy Rebates, Residential Demand Response, and BNI Demand Response received comprehensive impact evaluations. - o Appliance Retir...
AI summary The 2025 evaluation activities include comprehensive and condensed impact evaluations for various energy programs, a market evaluation for Business Energy Rebates' Instant Rebates, a process evaluation for Residential Demand Response, and updates to the Measure Assessment document. Evaluations involve surveys, interviews, and jurisdictional scans to assess program effectiveness and market conditions.
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 - 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.
Efficient Product Installation Highlights • Efficient Product Installation energy and demand savings results were lower than the 2025 Plan as Approved targets, as the program component phased out its lighting measures as of July 1, 2025 Da...
AI summary Efficient Product Installation program savings fell short of 2025 targets due to phasing out lighting measures by July 2025 and shifting focus to electrician-installed measures (smart thermostats, sensors). Despite a 12% drop in average energy savings per participant, higher unitary savings from new measures offset some losses. Air-sealing and water-saving measures were paused in 2025 but reintroduced in 2026. The program also supported Residential Demand Response with 13,687 devices installed in 2025.
2025/2026 season (December 1, 2025 to February 28, 2026) preparations - Eco Shift device installation ramped up throughout 2025, with 13,687 demand response eligible devices (smart thermostats and domestic hot water direct load controllers...
AI summary Eco Shift program installed 13,687 demand response devices in 2025, with 18,234 total since August 2024. E1 ensured device readiness, ran marketing campaigns, and expects residential demand response capacity to double in 2025/2026. Efforts focus on optimizing thermostat strategies and connectivity.
Research activities in 2025 included: - Quarterly tracking of quality assurance, participant satisfaction, and other attitudinal metrics among Nova Scotia households took place throughout 2025, to help E1 respond to changing market conditi...
AI summary In 2025, research activities included quarterly tracking of household metrics and completion of surveys for E1 programs, including the Mi'kmaw Home Energy Efficiency Project and Demand Response. Findings informed program improvements and participant satisfaction tracking.
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.
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.
Table 1 Update on Implementation of 2022-2023 Evaluation Recommendations Year Evaluation/ Verification Recommendation Text Source Status Comments Expected Period of Completion wattage when information is not available from the participant....
AI summary The text provides an update on the implementation of 2022-2023 evaluation recommendations, focusing on the use of wattage information and product categorization in energy efficiency programs. It highlights the shift from manual determination by model number to automated methods.
E-32025 DSM Evaluation Reports
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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.
Existing Residential In 2025, the net electrical energy savings for Existing Residential reached 35.274 GWh at the generator, while the net peak demand savings amounted to 9.584 MW at the generator. Existing Residential is comprised of Aff...
AI summary In 2025, Existing Residential programs achieved 35.274 GWh net electrical energy savings and 9.584 MW peak demand savings. The programs include Affordable Multifamily Housing, Affordable Single-family Homes, Efficient Product Installation, Green Heat, Home Energy Assessment, Mi'kmaw Home Energy Efficiency Project, and Residential Behaviour.
Affordable Single-family Homes - › ASFH achieved 6.135 GWh in net electrical energy savings and 2.338 MW in net peak demand savings at the generator in 2025, thus exceeding the planned electrical energy and peak demand savings targets by 1...
AI summary ASFH exceeded 2025 energy savings targets by 114% (6.135 GWh) and 183% (2.338 MW) due to increased participation (1,920 homes, +59% YoY). EPI underperformed targets by 46% (7.300 GWh) and 68% (0.509 MW) due to decreased participation (-7.5%) and measure retirements, though savings realization rates reached 99-100% post-NTGR recalibration.
Table 8: 2025 Evaluated Net Lifetime Electrical Energy Savings at the Generator DSM Program Program Component Annual Net Electrical Energy Savings (GWh) Lifetime Net Electrical En ergy Savings (GWh) Weighted Average EUL (years) Share of An...
AI summary Table 8 presents the 2025 evaluated net lifetime electrical energy savings at the generator for various DSM programs, including appliance retirement, efficient product rebates, and home energy assessments. The table highlights the contribution of residential and BNI programs to annual and lifetime energy savings, with the residential subtotal contributing 36% of annual and 45% of lifetime savings, and BNI programs contributing 64% of annual and 55% of lifetime savings.
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 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.
Where: - › Zα is the coefficient used at a specific confidence level. - › p is the proportion (typically established conservatively at 0.50, which yields the maximum error). - › N is the population or, in this case, the total number of uni...
AI summary This section explains the calculation of sample size for a survey, using a 90% confidence level and a Zα coefficient of 1.645. It refers to a sample of 103 households that had smart thermostats installed through Efficient Product Installation (EPI) and were not part of the Residential Demand Response (DR) program.
EXECUTIVE SUMMARY This report presents the 2025 demand-side management (DSM) results of the Existing Residential program administered by EfficiencyOne (E1). This program is comprised of seven components: (1) Affordable Multifamily Housing...
AI summary This report details the 2025 demand-side management (DSM) outcomes for EfficiencyOne's Existing Residential program, which includes components like Affordable Multifamily Housing, Efficient Product Installation, and Home Energy Assessments. The program promotes energy efficiency through financial incentives and direct installations in residential and affordable housing sectors.
EPI Findings and Recommendations This subsection presents the key findings from 2025 EPI evaluation. The Evaluator has no specific recommendation for EPI. 2025 EPI-Finding: With 7.300 GWh in net electrical energy savings and 0.509 MW in ne...
AI summary The 2025 EPI evaluation found that net electrical energy and peak demand savings fell short of targets by 46% and 68%, respectively. Participation and installed measures dropped by 7.5% and 40% due to phasing out lighting measures, though average savings per participant only decreased by 12%. A minor update to NTGR calculations achieved 99% and 100% realization rates for savings.
ate the installation. [Figure](#page-175-1) 5 below illustrates the participation process. Figure 5: ASFH Participation Process Summary ASFH participants are also eligible for the Efficient Product Installation (EPI) program component thro...
AI summary The Affordable Single-family Homes (ASFH) program outlines participation processes, eligibility for complementary programs like EPI and OHPA, and energy savings targets. In 2025, a one-time adjustment addressed EPI measures funded by ASFH. Participants may also access OHPA for transitioning from oil to electric heat pumps, with energy savings goals of 2.863 GWh and 0.825 MW in 2025.
9 EPI Overview This section describes the Efficient Product Installation (EPI) program component, follows up on past evaluation recommendations, and provides an overview of EPI participation history.
AI summary This section outlines the Efficient Product Installation (EPI) program, addresses past evaluation recommendations, and summarizes EPI participation history.
Table 19: 2025 EPI List of Eligible Products Products Electrical Savings Non-electrical Savings Lighting Products LED Lamps (A-types, Reflectors, and Chandeliers) X - LED Nightlights X - Solar Security Fixtures X - Motion Sensors X - Dimme...
AI summary Table 19 presents the 2025 list of eligible products for the Efficient Product Installation (EPI) program. It includes various lighting, domestic hot water, smart thermostats, air sealing, and other products, with details on their electrical and non-electrical savings. The table also notes the introduction of electrician-installed measures and changes in product categories over recent years.
9.2 Follow-up on Past Evaluation Report Recommendations The Evaluator evaluated EPI in previous years and issued improvement recommendations. [Table](#page-189-1) 20 summarizes the implementation status of evaluation recommendations from p...
AI summary The Evaluator assessed the Efficient Product Installation (EPI) program in previous years and provided improvement recommendations. Table 20 outlines the current status of implementing these recommendations.
11.2.2 Unitary Energy Savings For EPI, E1 establishes separate unitary savings values for single-family homes and apartments. For the 2025 evaluation, the Evaluator used the unitary savings values from the 2025 DSM MA. That document provid...
AI summary EfficiencyOne (E1) establishes separate unitary energy savings values for single-family homes and apartments using the 2025 DSM MA document, which details inputs, references, and calculations for EPI's product types.
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.
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.
[Table](#page-11-0) 24 presents total EPI results for single-family homes and apartments combined.
AI summary Table 24 in the document provides total EPI results for single-family homes and apartments combined, indicating the performance of the Efficient Product Installation program across different housing types.
[Figure](#page-12-0) 11 below compares the tracked and evaluated gross electrical energy savings at the generator, while [Figure](#page-13-0) 12 further below compares the tracked and evaluated gross peak demand savings at the generator. T...
AI summary Figures 11 and 12 compare tracked and evaluated gross electrical energy and peak demand savings at the generator for the 2025 EPI program. GHG emission reductions were calculated using a Nova Scotia-specific factor applied to EPI gross savings results, as presented in Table 25.
12 EPI Key Findings and Recommendations As mentioned previously, the main objectives of the 2025 EPI evaluation were as follows: › Calculate gross and net EPI results, namely first-year and lifetime electrical energy savings, peak demand s...
AI summary The 2025 EPI evaluation aimed to calculate gross and net results, including energy savings, peak demand reductions, and avoided GHG emissions. Key findings and recommendations address these objectives, focusing on the efficiency of product installation programs.
2025 EPI-Finding: EPI net electrical energy savings and peak demand savings fell short of targets. EPI achieved 7.300 GWh in net electrical energy savings and 0.509 MW in net peak demand savings at the generator in 2025, thus falling short...
AI summary In 2025, EPI achieved 7.300 GWh net electrical energy savings and 0.509 MW net peak demand savings, falling short of targets of 13.426 GWh and 1.581 MW respectively. This underperformance highlights gaps in energy efficiency program outcomes.
2025 EPI-Finding: Participation decreased in 2025 compared to 2024 levels. The number of participants decreased in 2025 by 7.5% compared to 2024 levels, while the number of measures installed through EPI decreased by 40% compared to 2024 l...
AI summary Participation in the Efficient Product Installation (EPI) program decreased by 7.5% in 2025 compared to 2024, with a 40% drop in installed measures due to the phase-out of lighting measures, particularly LED lamps. Despite this, average savings per participant only fell by 12% due to higher savings from electrician-installed products.
Net savings are defined as the energy use reductions specifically attributable to HEA. Net savings were calculated by applying the NTGR value, adding unconverted D assessment spillover savings, and subtracting Green Heat and EPI savings, a...
AI summary Net savings are calculated using the NTGR value and adjustments for spillover and deduction factors, resulting in 6,486 tonnes of CO2 eq in annual GHG emission reductions from energy use reductions attributable to HEA.
Affordable Single-family Homes Appendix III ASFH: Tracking Sheet Audit Appendix IV ASFH: Results from EPI Measures Implemented Under the Program Component Appendix V ASFH: 2025 Recommendations
AI summary The document outlines appendices related to the Affordable Single-family Homes (ASFH) program, including audit tracking sheets, results from Efficient Product Installation (EPI) measures, and 2025 recommendations. These components support program evaluation and implementation tracking.
Efficient Product Installation Appendix VI EPI: Tracking Sheet Audit Appendix VII EPI: 2025 Recommendations
AI summary The document includes appendices related to Efficient Product Installation (EPI), specifically a tracking sheet audit (Appendix VI) and 2025 recommendations (Appendix VII). These appendices likely outline procedures, performance metrics, or guidelines for EPI programs under Nova Scotia's energy efficiency initiatives.
Differences in peak demand savings for ASFH measures were primarily driven by heat pumps in homes with electric heating shares below 100%, for which the Evaluator set peak demand at zero. Additional minor variances arose from entries for w...
AI summary The document discusses discrepancies in energy savings calculations for various programs, particularly noting differences in peak demand savings for ASFH measures due to heat pumps and outdated methodologies. The Evaluator adjusted entries with missing or incorrect data, setting savings to zero where necessary.
APPENDIX VI EPI Tracking Sheet Audit This appendix presents the results of the EPI tracking sheet audit performed by the Evaluator, which was aimed at: - › Verifying that all data fields required for the evaluation were included and filled...
AI summary This audit of the EPI tracking sheet verifies data completeness and accuracy, revealing corrected savings lower than initially reported due to Home Warming project removal (3% gross, 6% peak) and updated smart thermostat unitary savings values. The Evaluator validated consistency with prior evaluations and adjusted calculation methods.
APPENDIX VII EPI 2025 Recommendations The Evaluator made no specific recommendation as part of the 2025 EPI evaluation.
AI summary The Evaluator did not provide specific recommendations as part of the 2025 Efficient Product Installation (EPI) evaluation, indicating no actionable outcomes from the assessment process.
ABBREVIATIONS BDM Business Development Manager BER Business Energy Rebates BNI Business, non-profit, and institutional BOpt Building Optimization CPA Customer Project Agreement DR Demand response DSM Demand-side management DSM MA Demand-si...
AI summary A list of abbreviations and their expansions used in regulatory proceedings, including terms related to energy efficiency, demand-side management, and utility programs. Key acronyms include DSM, BER, and NSUARB, with definitions covering technical, programmatic, and organizational terms.
1.3.1 Participation by Enrollment Pathway [Figure](#page-52-2) 4 below outlines participation in Residential DR for Smart Thermostat DLC by the Bring Your Own Device (BYOD) and EPI enrollment pathways. In 2025, 81% of Residential DR Smart...
AI summary In 2025, 81% of Residential DR Smart Thermostat DLC participants enrolled via Bring Your Own Device (BYOD), while 19% joined through EPI. The Evaluator estimates 40% of EPI participants with smart thermostats failed to enroll in Residential DR, citing data matching limitations. Results are indicative, not precise.
ential DR. However, the Evaluator estimates that, based on a tracking sheet matching exercise, 40% of EPI participants who received a free smart thermostat in 2024 have not enrolled in Residential DR. The Evaluator noted that there is not...
AI summary The Evaluator found that 40% of EPI participants who received free smart thermostats in 2024 did not enroll in Residential DR. Inaccurate data collection by EPI installers and lack of unique identifiers hinder enrollment tracking. A recommendation emphasizes improving data accuracy and installer compliance to enhance Residential DR connectivity.
Table 1: Residential Measure Assessment Change Log Change Type Section Description Date Update 2.2.3(2) Solar Domestic Hot Water Update unitary savings value for HEA 2023-03-09 New Measure 1.1.1(8) Window Film Kits Added window film kits a...
AI summary The document outlines changes to residential energy efficiency measures, including updates, removals, and additions to programs such as the Home Energy Assessment (HEA) and In-service (IS) programs. Key changes include the removal of certain measures and the addition of new ones like ENERGY STAR certified dishwashers.
Table 4: Proportion of Lighting Products Used Indoors Type of Product Program Component % Indoor Reference A-type LED Lamps 5 97% 2021, 2022 and 2023 EPI Tracking Sheets Reflector and Decorative LED Lamps 6 (Except PAR38) 100% 2024 EPI Eva...
AI summary Table 4 outlines the proportion of various lighting products used indoors, with data ranging from 0% to 100% for different product types. The table includes references to studies, evaluations, and assumptions used to determine these proportions.
Table 9: Electrical Unitary Peak Demand Savings Values for LED Lamps Type of LED Unitary Energy Savings Value (kWh/year) Peak Demand-to energy Ratio (W/kWh) Unitary Peak Demand Savings Value (W/year) EPI 9 W Replacing 25 W 15.2 0.162 2.46...
AI summary Table 9 presents electrical unitary peak demand savings values for various LED lamps, showing energy savings and peak demand reductions for different wattage replacements. The table includes data for multiple LED types and their corresponding savings values. Installation rates for EPI LED lamps are discussed in Table 10.
Table 16: Electrical Unitary Savings Values for Indoor Motion Sensors Parameter EPI, Instant Savings Reference Average Wattage [W] 2 x 9 W = 18.0 W Assumed two controlled LED lamps per motion sensor Daily Hours of Operation [h/day] 2.6 RLH...
AI summary Table 16 presents the electrical unitary savings values for indoor motion sensors, including parameters such as average wattage, daily hours of operation, and unitary energy savings. The data is based on assumptions and references from studies and lists related to energy efficiency measures.
Table 19: LED Nightlight Measure Summary Parameter EPI Reference Measure Description and Identification Measure LED nightlights with direct installation - Baseline Existing nightlight being replaced, which must be incandescent General Para...
AI summary Table 19 outlines the LED nightlight measure summary, including parameters such as installation rate, energy savings, and peak demand savings. The table provides details on the measure description, baseline, and various energy-saving calculations.
Table 20: Electrical Unitary Savings Values for LED Nightlights Parameter Value Reference Old Wattage [W] 7.0 Assumption based on the typical wattage value of an incandescent nightlight New Wattage [W] 0.3 Wattage value of the LED nightlig...
AI summary Table 20 provides electrical unitary savings values for LED nightlights, including old and new wattage, average displaced wattage, hours of operation, and annual energy savings. It references assumptions and calculations used to determine these values.
Table 22: Solar Fixture Measure Summary Parameter Instant Savings EPI Reference Measure Description and Identification Measure LED solar fixtures rebar Savings) or with direct i - Baseline LED fixtures connected to the grid Non-LED fixture...
AI summary Table 22 presents a comparison between the Instant Savings and EPI programs for LED solar fixtures, including parameters such as installation rates, useful life, energy savings, and peak demand savings. The table highlights differences in performance metrics and references specific subsections for detailed calculations.
Table 23: Unitary Savings Values for Solar Fixtures Parameter Instant Savings EPI Reference Baseline Wattage [W] 4.68 53.4 Instant Savings: Standard-compliant lamps providing the same lighting output as the rebated solar fixtures EPI: See...
AI summary Table 23 and Table 24 discuss unitary savings values for solar fixtures and the representative lamp mix calculation through EPI. The tables include parameters such as baseline wattage, old operating time, and unitary energy savings. References are provided for the calculations used.
Table 34: Electrical Unitary Energy Savings Values for Low-flow Showerheads Parameter Symbol EPI Reference Single-family Homes Apartments Baseline Flow Rate [gpm] qbase Variable (2.0 gpm, 2.25 gpm, or 2.5 gpm) Variable (2.0 gpm, 2.25 gpm,...
AI summary Table 34 presents electrical unitary energy savings values for low-flow showerheads, including baseline and low-flow rates, average shower usage, and efficiency metrics. It references data from EPI Program Manuals, tracking sheets, and studies by Mayer and Oreo, DeOreo, and the Pennsylvania Public Utility Commission.
Table 36: EPI Low-flow Showerhead Installation Rate Installation Rate Margin of Error Reference 95% 4.7% 2024 EPI evaluation (on-site visits) (5) Faucet Aerators
AI summary Table 36 presents the EPI Low-flow Showerhead Installation Rate at 95% with a margin of error of 4.7%, based on the 2024 EPI evaluation (on-site visits). The section also mentions Faucet Aerators as a related topic.
Table 42: Thermostatic Shower Valve Installation Rate Installation Rate Margin of Error Reference 89% 17.6% 2024 EPI evaluation (on-site visits) 58 Pennsylvania Public Utility Commission, Technical Reference Manual Volume 2: Residential Me...
AI summary Table 42 presents the installation rate of thermostatic shower valves at 89% with a margin of error of 17.6%, based on the 2024 EPI evaluation. The reference cites the Pennsylvania Public Utility Commission's Technical Reference Manual from September 2024.
Table 45: EPI Pipe Insulation Installation Rate Installation Rate Margin of Error Reference 100% 0.0% 2024 EPI evaluation (on-site visits)
AI summary Table 45 presents the EPI Pipe Insulation Installation Rate as 100% with a 0.0% margin of error, referencing the 2024 EPI evaluation conducted through on-site visits.
Installation Rates [Table](#page-31-2) 48 lists the installation rate for EPI hot water tank wraps.
AI summary Table 48 provides the installation rate for EPI hot water tank wraps, which is part of the discussion on energy efficiency programs and customer initiatives.
Table 48: EPI Hot Water Tank Wrap Installation Rate Installation Rate Margin of Error Reference 100% 0.0% 2024 EPI evaluation (on-site visits) 2.3 Space Heating
AI summary Table 48 presents the EPI Hot Water Tank Wrap Installation Rate with a 100% installation rate and 0.0% margin of error, referencing the 2024 EPI evaluation. Section 2.3 discusses space heating, which may relate to energy efficiency programs.
Table 66: Savings Values for Air Sealing Products in Electric Resistance and Heat Pump Heated Homes Measure Electric Resistance Heated Homes Heat Pump Heated Homes Reference Annual Energy Savings from Foam Gaskets [kWh/gasket] 9 5.00 Elect...
AI summary Table 66 presents annual energy savings values for air sealing products in homes heated by electric resistance and heat pumps. The table includes data on foam gaskets, door sweeps, window air sealing, and door weather stripping. Installation rates for EPI air sealing products are referenced in Table 67.
The equation below is used to calculate the unitary savings value for learning thermostats compatible with central electrical heating systems and installed through EPI. $$Energy Savings_{kWh} = \frac{Heating \ Energy \times \%Savings}{COP}...
AI summary The document provides an equation to calculate energy savings from learning thermostats installed through EPI on central electrical heating systems. It references a table showing 12% heating consumption savings for central air-source heat pumps, which are compatible with Nest thermostats.
Table 114: Humidity Sensor for Bathroom Exhaust Fan Summary Parameter EPI Reference Measure Description and Identification Measure Added humidity sensors on existing bathroom exhaust fans with direct installation - Baseline Existing fans w...
AI summary This table outlines the parameters for the Efficient Product Installation (EPI) measure of adding humidity sensors to bathroom exhaust fans. It provides details such as installation rate, energy savings, and peak demand savings, referencing specific subsections for further information.
Table 115: Electrical Savings Values for Humidity Sensors for Bathroom Exhaust Fans Parameter Symbol EPI Reference Fan Efficiency [CFM/W] 𝜂𝑓𝑎𝑛 3.5 ENERGY STAR min standard, 2024159 Savings Percentage % Savings 50% Demand-controlled ventila...
AI summary Table 115 outlines electrical savings values for humidity sensors used in bathroom exhaust fans, including fan efficiency, savings percentage, fan exhaust rate, annual operating hours, and energy savings. The data is based on ENERGY STAR standards and case studies, with savings calculated for electric heating systems.
Table 142: EUL Values and Sources for Non-LED Lighting Residential Measures Measure Name Program Component EUL Value Reference Faucet Aerators EPI 10 DEER, 2014 (value for faucet aerators)
AI summary Table 142 lists EUL values and sources for non-LED lighting residential measures, specifically highlighting faucet aerators under the Efficient Product Installation program component with an EUL value of 10, sourced from DEER, 2014.
Summary [Table](#page-128-2) 151 presents a summary of the values used to calculate A-type, reflector, and decorative LED lamp savings. These measures are only offered through SBES and the SBES Commercial Direct Install (CDI) Pilot. The de...
AI summary Table 151 summarizes values used to calculate A-type, reflector, and decorative LED lamp savings, which are only available through SBES and the SBES Commercial Direct Install (CDI) Pilot. The methodology is detailed further.
E-12E1 (NSEB) RIRs 1-66 - Redacted
14 passages
25 • For the "Solar Security Fixture" measure under the "Efficient Products 26 Installation" program: 1 a) Efficient Product Installation appointments are focused on installing 2 smart thermostats, draft proofing measures, and water conser...
AI summary The 'Solar Security Fixture' measure under the 'Efficient Products Installation' program involves higher unit costs compared to other measures like smart thermostats. E1 screens participants and uses service providers' best judgment to determine product mix. Incentive costs are based on average bids, and measure life is determined by a third-party evaluator.
10 24 2024 Custom Incentive Evaluation, Evaluated Gross Savings Table 32: Evaluated 2024 SEM Gross Electrical Energy and Peak Demand Savings, page 67 (PDF 839/1442)
AI summary The text references a 2024 Custom Incentive Evaluation and a table titled 'Evaluated 2024 SEM Gross Electrical Energy and Peak Demand Savings' from page 67 of a document (PDF 839/1442).
4.2.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Plan) EPI__DHW_SHEAD_EPI_003__0 Measure ID (Incremental Cost) N/A Common Measure Name Low Flow Showerhead - 1 GPM improvement Sector Residential Program Name Existing Residen...
AI summary This section outlines a specific energy efficiency measure, focusing on the installation of low flow showerheads with a 1 GPM improvement under the Existing Residential program. It includes details such as measure IDs, sector, program name, replacement type, and other defining characteristics.
- is reproduced below. • Parameter EPI Reference Measure Description and Identification Measure Low-flow sho werheads for electric DHW heating with o direct installati on - Baseline Standard sho werhead with a flow rate of a at least 2 gpm...
AI summary The document details the parameters for low-flow showerhead installations under the Efficient Product Installation (EPI) program, including baseline flow rates, energy savings, and installation rates. It also references sections in the document for further details on calculations and useful life.
4.3 EPI__HVAC_HUMS_EPI_001__0 HUMIDITY SENSOR - 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 installations 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 become standard and has introduced new technologies like smart thermostats.
4.3.1 MEASURE IDENTIFIERS & DEFINING CHARACTERISTICS Measure ID (Incremental Cost) N/A Common Measure Name Humidity Sensor Program Name Existing Residential Replacement Type RET Unit Basis Per unit DI Flag 1 Measure ID (Plan) EPI__HVAC_HUM...
AI summary This section outlines the characteristics of a humidity sensor measure under the Existing Residential program, including its measure ID, replacement type, unit basis, and program component. It provides detailed identifiers for tracking and implementation purposes.
- reproduced below. Parameter Instant Savings, EPI Reference Measure Description and Identification Measure Added humidity sensors on existing bathroom exhaust fans with direct installation - Baseline Existing fans with no controls - Gener...
AI summary This section outlines the parameters for a measure involving the addition of humidity sensors on existing bathroom exhaust fans with direct installation, including details on energy savings, peak demand savings, and effective useful life.
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.
Source: This value was drawn from Table 135[45](#page-110-4) of the 2024 DSM Measure Assessment. Smart Thermostats for Electrical Heating Systems Instant Savings, Various EUL values are used among jurisdictions. The common practice is to u...
AI summary The text discusses the use of EUL values for smart thermostats in electrical heating systems, noting that various jurisdictions use different values, with a common practice of aligning them with programmable thermostats. It also references a section on 'Net to Gross' from the 2024 DSM Measure Assessment.
Source: This value was drawn from Table 37 of the 2024 Existing Residential Evaluation. [46](#page-110-5) 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 net-to-gross ratios (NTGR) for various energy efficiency products by participant type in the 2024 Existing Residential Evaluation. It shows differences in savings proportions between low-income and non-low-income participants for different product categories.
4.6.6.1 Energy Savings (kWh) - Value: 265 - Source: This is the deemed unitary energy savings value for the Smart Thermostat for Electrical Heating - Systems Measure in the 2025 Measure Assessment. - Details: Some models of smart thermosta...
AI summary The document discusses the energy savings calculation for smart thermostats used in electrical heating systems, using a formula and referencing studies on Nest thermostats for central heating systems. The savings percentage is based on 12% for central air-source heat pumps, which are considered similar to electric baseboards and MSHPs.
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.
4.10 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.
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.