E-22024 DSM Programs Evaluation Reports
38 passages
Program Components Bibliographic References NREL, The Uniform Methods Project: Methods for Determining Energy Efficiency Savings for Specific Measures. Chapter 7: Refrigerator Recycling Evaluation Protocol, prepared by the Cadmus Group, Se...
AI summary The document contains a table listing program components and their corresponding bibliographic references, including citations to studies, reports, and regulatory matters related to energy efficiency and emissions in Nova Scotia. Key references include studies by the National Renewable Energy Laboratory and regulatory filings from the Nova Scotia Utility and Review Board.
Table 2: Overall 2024 Existing Residential Participation and Evaluated Savings Participation Level Gross Savings NTGR Net Savings Value Unit Value Unit Value Value Unit AMH Energy Savings 83 Projects 1.159 GWh 1.00 1.159 GWh Lifetime Energ...
AI summary Table 2 presents the 2024 participation levels and evaluated savings for various residential programs, including energy savings, peak demand savings, GHG emission reductions, and energy efficiency measures. The data includes metrics like gross and net savings, as well as program-specific participation numbers.
Table 12: Evaluated 2024 AMH Gross GHG Emission Reductions Total Gross Energy Savings – at the Generator (GWh) 1.159 Nova Scotia-specific GHG Emissions Factor for Electricity Production (tonnes of CO2 eq/GWh) 472.2 Gross Annual GHG Emissio...
AI summary This table evaluates the 2024 GHG emission reductions from Affordable Multifamily Housing (AMH) in Nova Scotia. It shows gross energy savings, the Nova Scotia-specific GHG emissions factor for electricity production, and the resulting gross annual GHG emission reductions. The data is based on Nova Scotia Power's 2023 emissions and generation figures.
Table 14: 2024 ASFH Evaluation Approach Evaluation Objectives Research Questions Methodology Collect information on program staff, partner, and participant perspectives › How did participants become aware of ASFH? › What are the participan...
AI summary This chunk outlines the evaluation approach for the 2024 Affordable Single-family Homes (ASFH) program, focusing on collecting participant perspectives and calculating gross and net results. It includes survey and interview methods for program evaluation and outlines the use of tools like HOT2000 and the net-to-gross ratio (NTGR) for calculating savings and GHG emission reductions.
Table 23: Evaluated 2024 ASFH Gross GHG Emission Reductions Total Gross Energy Savings – at the Generator (GWh) 3.719 Nova Scotia-specific GHG Emissions Factor for Electricity Production (tonnes of CO2 eq/GWh) 472.2 Gross Annual GHG Emissi...
AI summary Table 23 evaluates the 2024 gross GHG emission reductions from Affordable Single-Family Housing (ASFH) programs in Nova Scotia. It calculates these reductions using energy savings and a Nova Scotia-specific GHG emissions factor for electricity production, based on data from Nova Scotia Power and Emera Inc.
17.1 Green Heat Description The Green Heat component of the Existing Residential program is aimed at encouraging the installation of energy efficient heating systems as well as heating systems for which fuel is provided from renewable reso...
AI summary The Green Heat component of the Existing Residential program encourages the installation of energy-efficient heating systems in Nova Scotia homes, offering financial incentives for high-efficiency heat pumps, biomass heating systems, solar heating systems, and demand reduction measures. Incentives were updated in February 2024 and a pilot program for three-element water heaters was discontinued in March 2024.
Table 40: 2024 Green Heat Incentives Measure Incentive Heat Pumps Ductless Mini-split Heat Pumps $300/refrigeration tonne Centrally Ducted Air-source Heat Pumps $500/refrigeration tonne Air-to-water Heat Pumps $2,000/refrigeration tonne Gr...
AI summary Table 40 outlines the 2024 Green Heat Incentives, which include rebates for various heating measures such as heat pumps, biomass, solar thermal, and demand reduction. The program has been funded by the federal Low Carbon Economy Fund and provincial Green Fund since 2018. The report evaluates electrical savings from these measures, excluding those that displace non-electrical energy consumption.
In 2024, the number of Green Heat measures installed decreased by 21% compared to 2023 levels primarily due to a 19% drop in the number of installed MSHPs and a 36% drop in the number of installed demand reduction measures, as illustrated...
AI summary Green Heat participation and savings dropped significantly in 2024, with a 21% decrease in installed measures and a 70% drop in gross savings compared to 2023. This decline is attributed to a shift in participant enrollment to federal programs like the Canada Greener Homes Grant (CGH Grant) and reduced savings claims for certain technologies.
Figure 45: 2024 Green Heat Tracked and Evaluated Gross Electrical Energy Savings at the Generator (GWh) [Figure](#page-141-1) 46 below compares tracked gross peak demand savings to evaluated gross peak demand savings at the generator. A si...
AI summary Figures 45 and 46 compare tracked and evaluated gross electrical energy and peak demand savings from Green Heat initiatives in 2024, showing lower evaluated savings for biomass and MSHPs. Table 47 outlines GHG emission reductions calculated using a Nova Scotia-specific factor applied to electrical energy savings.
Table 49: 2024 Green Heat NTGRs Measure Free-ridership NTGR MSHPs 48% 0.52 Biomass and Solar Measures 47% 0.53 Demand Reduction Measures 9% 0.91 CASHPs and AWHPs 33% 0.67 19.3.3 Evaluated Net Savings
AI summary Table 49 presents the 2024 Green Heat NTGRs for various measures, including MSHPs, Biomass and Solar Measures, Demand Reduction Measures, and CASHPs and AWHPs. The table shows free-ridership percentages and corresponding NTGR values for each measure. Section 19.3.3 discusses the evaluated net savings related to these measures.
Table 50: Evaluated 2024 Green Heat Net Electrical Energy and Peak Demand Savings MSHPs Effective Useful Life (years) 18 18 18 18 18 Net Lifetime Energy Savings – at the Generator (GWh) 2.243 0.397 0.031 0.005 0.144 Peak Demand Savings Gro...
AI summary Table 50 evaluates the net electrical energy and peak demand savings from the 2024 Green Heat program, including metrics for MSHPs and other measures like Solar DHW and Electric Thermal Storage. It includes values for net lifetime energy savings, peak demand savings, and factors such as NTGR and line loss.
22 HEA Evaluation Approach The 2024 HEA evaluation comprised a comprehensive impact evaluation. The main objectives of the 2024 HEA evaluation were to: › Calculate gross and net results, namely electrical first-year and lifetime energy sav...
AI summary The 2024 HEA evaluation aimed to calculate gross and net results, including energy savings, peak demand savings, and avoided GHG emissions. The evaluation involved research questions, methods, and sample sizes outlined in Table 53.
Table 60: Evaluated 2024 HEA Gross Energy and Peak Demand Savings Measure Category HOT2000 Modelled Measures Wood Burning Equipment HPWHs Electrical Thermal Storage Energy Efficiency Measure Subtotal Solar PV Measures Total Number of Parti...
AI summary Table 60 presents evaluated 2024 Home Energy Assessment (HEA) gross energy and peak demand savings, including data on the number of participants, installed capacity, energy savings with and without adjustment ratios, and peak demand savings across various measures and technologies.
Table 62: 2024 HEA Free-ridership Levels Measure Average Free-ridership Level Sample Size Population Size Margin of Error Energy Efficiency Measures 17% 77 3,995 4.20% Solar PV Measures 26% 29 1,520 6.50% 61 At the time of writing, 2023 da...
AI summary Table 62 presents free-ridership levels for energy efficiency and solar PV measures in 2024 HEA. The data shows 17% free-ridership for energy efficiency measures and 26% for solar PV measures. The Nova Scotia-specific factor was derived from Nova Scotia Power's 2022 emissions and electricity generation data.
Table 87: Overall 2024 Existing Residential Participation and Evaluated Savings Particip ation Level Gross Savings NTGR Net S Savings Value Unit Value Unit Value Value Unit AMH • Energy Savings 83 Projects 1.159 GWh 1.00 1.159 GWh Lifetime...
AI summary Table 87 presents data on residential participation and evaluated savings for 2024, including energy savings, GHG emission reductions, and EUL for various programs like AMH, ASFH, EPI, Green Heat, HEA, MHEEP, and Residential Behaviour. The table also includes net savings ratios (NTGR) for each program component.
Table 2: Overall 2024 Efficient Product Rebates Participation and Evaluated Savings Participation Level Gross Gross Savings Net Savings Value Unit Value Unit Value Value Unit Application Rebates Energy Savings 262 Projects 15.526 GWh 0.74...
AI summary Table 2 presents the 2024 participation levels and evaluated savings from efficient product rebates, including energy savings, peak demand savings, GHG emission reductions, and effective useful life. The data is categorized into Application Rebates and Instant Rebates, with overall totals and net-to-gross ratios (NTGR) provided for each category.
Table 11: Evaluated 2024 Application Rebates Gross GHG Emission Reductions Total Gross Energy Savings – at the Generator (GWh) 15.526 Nova Scotia-specific GHG Emissions Factor for Electricity Production (tonnes of CO2 eq/GWh) 472.2 Gross A...
AI summary Table 11 presents the gross GHG emission reductions from the evaluated 2024 rebate applications, showing 7,331 tonnes of CO2 eq reduction based on energy savings and a specific emissions factor for Nova Scotia.
Table 14: Evaluated 2024 Application Rebates Net Energy and Peak Demand Savings Measure Category Agriculture Commercial Kitchen HVAC Lighting Motors Pumping Energy Savings Gross Energy Savings – at the Meter (GWh) 0.082 0.017 1.818 7.955 3...
AI summary Table 14 presents the evaluated 2024 application rebates net energy and peak demand savings across various measure categories, including agriculture, commercial kitchen, HVAC, lighting, motors, pumping, refrigeration, and solar PV. The table includes gross and net energy savings, line loss factors, effective useful life, and peak demand savings at both the meter and generator levels.
Modeller Interviews To collect information on program awareness, motivations, barriers, and views on NECB 2020 and electrification, the Evaluator conducted phone interviews with three non-participant energy modellers and two newly particip...
AI summary The Evaluator conducted phone interviews with five energy modellers (three non-participants and two new participants) between November 2024 and January 2025 to assess program awareness, motivations, barriers, and views on NECB 2020 and electrification. The interview guide is detailed in Appendix IX.
Table 9: 2024 Retrofit Adjustment Ratios per Project Category Retrofit Project Category Adjustment Ratio on Energy Savings (Margin of Error) Adjustment Ratio on Demand Savings (Margin of Error) Regular Retrofit 1.021 (±4.9%) 1.001 (±0.2%)...
AI summary Table 9 presents 2024 Retrofit Adjustment Ratios for various project categories, including Regular Retrofit, Solar PV systems using different modeling tools, and Compressed Air Leak Audits. The table highlights the adjustment ratios for energy and demand savings, along with associated margins of error.
4.6.2 Decarbonization and Electrification Program participants and non-participating and new energy modellers were also asked about the importance of reducing GHG emissions and the electrification in building design. Six of the eight parti...
AI summary Participants emphasized the importance of GHG emission reduction and electrification in building design, citing financial incentives from E1. Builders expressed concerns about upfront costs, grid reliability, and regulatory complexity. Electrification challenges include long lead times for specific equipment and grid reliability risks for critical facilities.
C. GHG Emissions & Electrification - C1. Have you had discussions with your builder clients about reducing GHG emissions or about electrification? - 1. Yes, reducing GHG emissions - 2. Yes, electrification - 3. No - 98. Don't know - 99. Re...
AI summary The section includes survey questions targeting builders and industry professionals about discussions with clients on reducing GHG emissions and electrification. It explores clients' concerns and how these issues influence their decisions regarding building energy performance, including fuel choice between electric and gas heating.
Table 12: Evaluated 2024 SBES GHG Gross Emission Reductions Total Gross Energy Savings – at the Generator (GWh) 13.459 Nova Scotia-specific GHG Emissions Factor for Electricity Production (tonnes of CO2 eq/GWh) 472.2 Gross Annual GHG Emiss...
AI summary Table 12 presents evaluated 2024 SBES GHG gross emission reductions, showing 13.459 GWh of gross energy savings, a 472.2 tonnes of CO2 eq/GWh emissions factor, and 6,356 tonnes of CO2 eq annual emission reductions.
Summary [Table](#page-110-1) 24 presents a summary of the values used to calculate the savings for solar fixtures. The detailed methodology follows.
AI summary Table 24 summarizes the values used to calculate savings for solar fixtures, with a detailed methodology provided subsequently.
2.7.3 Renewable Measures
AI summary Section 2.7.3 discusses Renewable Measures within Nova Scotia's regulatory proceedings, likely focusing on programs, technologies, or policies related to renewable energy adoption and integration.
Table 132: Solar Photovoltaic System Measure Summary Parameter HEA Reference Measure Description and Identification Measure Solar PV systems of a maximum of 100 kW, rebated after installation - Baseline No solar PV systems General Paramete...
AI summary Table 132 outlines the Solar Photovoltaic System Measure under HEA, including parameters such as installation rate, useful life, and energy savings calculations. Savings are based on SolarHomes projects, using PV Watts with predefined loss factors.
Table 133: Electrical Savings Values for SolarHomes Parameter Symbol Value Reference Modelled Energy Production [kWh] - Varies per project Project documentation, using PV Watts Snow Loss Factor [%] - For panel tilt angles ≥ 25°: 1% Norther...
AI summary Table 133 outlines the electrical savings values for the SolarHomes program, including parameters such as modelled energy production, snow loss factors, adjustment ratios, and unitary energy savings. Savings are calculated by multiplying system capacity in kW by a factor of 1,086 kWh/kW, derived from calibrated data.
Table 147: Linear LED Fixture Baseline Wattages for BER-IR Subcategory Lumens Output (lm) Baseline Wattage (W) 1 x 4 Luminaires 1,500 – 3,500 61.0 ≥ 3,500 83.3 2 x 2 Luminaires & Retrofit Kits 1,500 – 4,500 61.0 ≥ 4,500 84.0 2 x 4 Luminair...
AI summary Table 147 outlines baseline wattages for linear LED fixtures under the Building Energy Retrofit - Instant Rebate (BER-IR) program. It categorizes luminaires by subcategory, lumens output, and corresponding baseline wattage, providing data for energy efficiency assessments and rebate calculations.
Table 157: Directional and Architectural LED Fixture Baseline Wattages for BER-IR Category Lumens Baseline Wattage (W) Track or Mono-point Directional Luminaires ≥ 250 60.4 Wall-wash Luminaires 517 - 1199 50.0 ≥ 1,200 100 In-service Rate
AI summary Table 157 provides baseline wattages for directional and architectural LED fixtures under the Building Energy Retrofit - Instant Rebate (BER-IR) program, categorizing luminaires by type and lumens. The table includes specific wattage values for different fixture categories.
Table 165: Horticultural Lighting Measure Summary В ER-AR
AI summary The text presents a table titled 'Horticultural Lighting Measure Summary,' which includes columns labeled 'В,' 'ER-AR,' and an empty column. The content of the table is not visible, but it likely contains information related to horticultural lighting measures.
Summary [Table](#page-101-0) 234 presents a summary of the values used to calculate savings for solar PV projects. The detailed methodology follows.
AI summary Table 234 summarizes the values used to calculate savings for solar PV projects, with the detailed methodology provided in the proceeding document.
Table 234: Solar PV Measure Summary Parameter Custom Retrofit, BER-AR Reference Measure Description and Identification Measure Solar PV systems for commercial, industrial, and agricultural facilities rebated after installation - Baseline F...
AI summary Table 234 outlines a Solar PV Measure Summary, focusing on the rebate program for commercial, industrial, and agricultural facilities. The table includes parameters such as installation rate, effective useful life, and energy savings calculations. The document provides details on energy savings and peak demand savings, with references to subsections for further information.
The electrical unitary energy savings for solar PV systems installed in commercial, industrial, and agricultural applications are calculated using the variables defined and listed in the equations and tables below. For each solar PV projec...
AI summary The document outlines the methodology for calculating electrical unitary energy savings for solar PV systems in commercial, industrial, and agricultural applications, emphasizing the use of specific modeling tools and accounting for losses and inverter capacity limitations.
Table 235: Electrical Unitary Energy Savings Values for Solar PV Systems Parameter Symbol Value Reference Modelled Energy Production [kWh] - Actual Project documentation Snow Loss Factor [%] - For panel tilt angles ≥ 25°: 1% Northern Alber...
AI summary Table 235 presents electrical unitary energy savings values for solar PV systems, including parameters such as modelled energy production, snow loss factors, adjustment ratios, and unitary energy savings. It references various models and studies for calculating these values.
Table 284: Electrical Unitary Energy Savings Values for Agriculture Heat Pads Parameter Symbol BER-AR, SBES Reference Wattage of Inefficient Heat Lamps Pb Actual or 175 Use information in TS Default: IESO Prescriptive Measures and Assumpti...
AI summary Table 284 outlines the parameters used to calculate electrical unitary energy savings values for agriculture heat pads, including wattage, quantity, and hours of use. It references default assumptions from the IESO Prescriptive Measures and Assumptions document.
Rationale for Using an Equivalent EUL The LED market is evolving rapidly, driven in part by government regulations. LED products installed today are likely to become the baseline before the end of their rated lifetime since LED technologie...
AI summary The text discusses the evolving LED market and the rationale for using an equivalent EUL (Energy Use Life) in light of government regulations and market trends. It notes that LED technologies are rapidly improving and becoming the baseline, with U.S. and Canadian regulations influencing the adoption of higher efficiency standards. The Evaluator expects LED to become the standard by 2025, making 2024 the last year with savings before the new baseline is applied.
Table 350: Equivalent EUL Calculation for Solar Fixtures Average Replaced Average Wattage of Efficient Lamp Halogen Incandescent Baseline – Canadian Legislation 1 Year (2024) LED Equivalent Baseline – American Legislation369 9 Years (2025-...
AI summary Table 350 provides an Equivalent Useful Life (EUL) calculation for solar fixtures, comparing halogen incandescent and LED baseline wattages. The table highlights the displaced wattage from replacing traditional lamps with more efficient alternatives, such as LED, and notes the significant difference in EUL between Canadian and American legislation standards.
Table 359: Baseline Evolution During the Effective Useful Life of LED Reflector Lamps in Downlight Fixtures Typical Replaced Typical Efficient Baseline (2024) LED Equivale American Le 12.9 Years ( gislation 383 Equivalent EUL Lamp (W) Lamp...
AI summary Table 359 outlines the baseline evolution of LED reflector lamps in downlight fixtures, comparing typical replaced and efficient lamps, their wattage, and the equivalent useful life (EUL) based on U.S. federal legislation, specifically the Energy Independence and Security Act (EISA) 2007.