E-22024 DSM Programs Evaluation Reports
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Jurisdictional Scan The Evaluator conducted a jurisdictional scan across other jurisdictions throughout Canada and the United States (US) to identify other measures that could be installed by electricians under Efficient Product Installati...
AI summary The Evaluator conducted a jurisdictional scan to identify measures installable by electricians under Efficient Product Installation (EPI) and examined characteristics of new construction programs across North America, focusing on applicable practices and standards.
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.
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.
Table 12: Evaluated Net Electrical Energy Savings at the Generator, 2020-2024 Energy Savings (GWh) Energy Savings (%) DSM Program Program Component 2020 2021 2022 2023 2024 2020 2021 2022 2023 2024 Residential Residential Appliance Retirem...
AI summary Table 12 presents evaluated net electrical energy savings from various DSM programs in Nova Scotia from 2020 to 2024, highlighting contributions from residential, BNI, and overall portfolio programs, with significant energy savings percentages and GWh values reported for each category and year.
6 Market Evaluation Results For the 2024 evaluation, the Evaluator conducted two market evaluations. The first was for Efficient Product Installation and was focused on electrician-installed measures, and the second was for Business Energy...
AI summary The 2024 market evaluations focused on Efficient Product Installation (electrician-installed measures) and Business Energy Rebates – Instant Rebates (BNI lighting market). These assessments aimed to analyze program effectiveness and market dynamics for energy efficiency initiatives.
Efficient Product Installation: Electrician-installed Measures To identify opportunities for other measures that could be installed by electricians under the program component, the Evaluator performed a jurisdictional scan across 15 jurisd...
AI summary A jurisdictional scan identified electrician-installed measures for the Efficient Product Installation program, including advanced heat recovery ventilator controls, bathroom fans, block heater timers, and heat reflector panels or rolls, based on analysis across 15 Canadian and US jurisdictions.
Free-ridership Level Margin of Error The Evaluator used the margin of error calculation of the free-ridership level for EPI LED lighting in 2024 as an example. Below are the steps followed to calculate this margin of error. The same calcul...
AI summary The Evaluator demonstrated the margin of error calculation for EPI LED lighting's free-ridership level in 2024, noting the same method applies to installation rates and adjustment ratios for non-stratified samples by substituting relevant variables.
EPI Findings and Recommendations This section provides the Evaluator's key findings and recommendations in relation to the above objectives. 2024 EPI-Finding: Participants are highly satisfied with the overall program component. 2024 EPI-F...
AI summary The 2024 EPI program achieved high participant satisfaction but fell 15% and 22% short of energy and peak demand savings targets. Savings per participant declined due to DSM MA updates reducing smart thermostat and LED savings assumptions. Installation rates for smart thermostats with MSHPs dropped 16%, prompting recommendations for improved participant education and follow-up. NTGR stability masked product-specific fluctuations, while jurisdictional scans identified new potential EPI measures.
Figure 15: ASFH Participation Process Summary Interested participants can apply to E1 directly or be referred by Housing Nova Scotia. - DAs, Housing Nova Scotia, or staff from other E1 programs identify potential participants. - Following...
AI summary The ASFH program enables eligible participants to access energy efficiency retrofits through E1 and DAs, with eligibility for EPI and OHPA programs. Process steps include application, assessment, retrofit scheduling, and cost approval. Energy savings targets for 2024 are 2.825 GWh and 1.046 MW.
Installation of Upgrades Once a project is approved, the DA informs the modelled participant and organizes and completes the approved upgrade installations. This step mostly occurs without any major hitches. As illustrated in [Figure](#pag...
AI summary Installation of upgrades generally proceeds smoothly with high participant satisfaction, but challenges include disruptions during large projects, rescheduling delays, cost-sharing frustrations, and occasional participant dissatisfaction leading to discontinuation. DAs report good collaboration with E1 but note challenges in managing expectations and administrative issues.
11 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, its evaluation follow-ups, and historical participation data. It emphasizes program oversight and implementation tracking as part of regulatory accountability.
11.1 EPI Description 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 energy-efficient products more af...
AI summary EPI provides free direct installations of energy-efficient products, transforming the residential lighting market by making energy-efficient products more affordable. As LEDs become the baseline, EPI will phase out lighting measures and focus on electrician-installed products, which are key for Residential Demand Response activities. E1 contracts service providers to deliver EPI across the province, available to both homeowners and renters.
Table 25: 2024 EPI List of Eligible Products Products Electrical Savings Non-electrical Savings Lighting Products LED Lamps Including A-types, Reflectors, and Chandeliers X - LED Nightlights X - Solar Security Fixtures X - Motion Sensors X...
AI summary Table 25 outlines the 2024 EPI list of eligible products, categorizing them under electrical and non-electrical savings. It includes items such as LED lamps, smart thermostats, air sealing products, and others, with some requiring electrician installation. Certain products were introduced in previous years with limited scope.
Jurisdictional Scan In the fall of 2024, the Evaluator performed a scan across 15 jurisdictions throughout Canada and the United States (US) to identify other measures that could be installed by electricians under EPI. The jurisdictional s...
AI summary In fall 2024, the Evaluator conducted a jurisdictional scan across 15 Canadian and US jurisdictions to identify measures installable by electricians under EPI. Findings are detailed in Appendix XIX and discussed in Subsection 15.1.
13 EPI Participant Perspectives This section summarizes the findings obtained through the EPI participant survey. A survey of 100 participating households was conducted as part of the 2024 EPI evaluation. Surveyed participants were asked q...
AI summary A survey of 100 EPI participants revealed high satisfaction (9.4/10) with the program, driven by motivations like energy cost savings (61%) and efficiency upgrades (26%). Most learned about EPI via word-of-mouth (22%) or online ads (16%), with 65% having no concerns. Recommendations included more product options (12%) and improved installation service (6%).
2024 EPI Participant Perspective Highlights - › Participants learned about EPI mainly through word of mouth followed by online advertisements and social media. - › Satisfaction with the service overall is very high as is satisfaction with...
AI summary Participants in the 2024 EPI program primarily learned about it through word-of-mouth, online ads, and social media. Overall satisfaction with the service and its specific aspects is very high, with most participants having no recommendations for improvement.
14 EPI Impact Evaluation The objectives of the 2024 EPI impact evaluation were to determine gross and net electrical energy and peak demand savings.
AI summary The 2024 EPI impact evaluation aims to assess gross and net electrical energy and peak demand savings, focusing on the outcomes of the Efficient Product Installation program.
ors, outdoor motion sensors, and humidity sensors, the Evaluator assumed an installation rate of 100% given the nature of the program component and because they are all electrician-installed measures. [Table](#page-85-0) 27 lists the insta...
AI summary The Evaluator assumed a 100% installation rate for certain measures, including outdoor motion sensors and humidity sensors, due to their nature and being electrician-installed. Table 27 outlines the installation rates applied to gross savings.
Table 27: EPI Product Installation Rates Product Installation Rate Applied to Gross Savings Margin of Error Reference Lighting Products LED Lamps 94% 3.0% 2024 EPI on-site visits LED Nightlights 94% 3.0% 2024 EPI on-site visits Dimmer Swit...
AI summary Table 27 provides installation rates and margins of error for various energy efficiency products under the Efficient Product Installation (EPI) program. The data includes both on-site visits and assumptions, with some products having no margin of error or based on external references like the National Renewable Energy Laboratory.
For EPI, E1 establishes separate unitary savings values for single-family homes and apartments. For the 2024 evaluation, the Evaluator used the unitary savings values from the 2024-2025 DSM MA. That document provides a detailed description...
AI summary The text discusses the unitary energy savings values for products installed through the Efficient Product Installation (EPI) program, noting that they were updated in the 2024-2025 Demand-Side Management Measure Assessment (DSM MA) document. Table 28 summarizes the changes to these savings values.
Table 28: 2024 EPI Updated Tracked and Evaluated Unitary Energy Savings EPI – Single-family Homes EPI – Apartments Product Tracked Savings [kWh/yr] Evaluated Savings [kWh/yr] Tracked Savings [kWh/yr] Evaluated Savings [kWh/yr] LED Lamps 9...
AI summary Table 28 presents the 2024 EPI updated tracked and evaluated unitary energy savings for various LED lamp replacements in single-family homes and apartments. The data includes tracked and evaluated savings in kWh/yr for different wattage replacements, with a note that EPI now offers 4.5 W G25 lamps instead of 7 W lamps.
2024 EPI Tracked and Evaluated Unitary Energy Savings (Continued) EPI – Single-family Homes EPI – Apartments Product Tracked Savings [kWh/yr] Evaluated Savings [kWh/yr] Tracked Savings [kWh/yr] Evaluated Savings [kWh/yr] Other Lighting Pro...
AI summary The document presents tracked and evaluated unitary energy savings for various products under the Efficient Product Installation (EPI) program in single-family homes and apartments in 2024. It includes energy savings data for lighting products, air sealing products, smart thermostats, and other items, with notes on how tracked and evaluated savings are calculated.
Table 29: 2024 EPI Updated Tracked and Evaluated Unitary Peak Demand Savings Values EPI – Single-family Homes EPI – Apartments Product Tracked Savings [W/yr] Evaluated Savings [W/yr] Tracked Savings [W/yr] Evaluated Savings [W/yr] LED Lamp...
AI summary Table 29 presents the 2024 EPI updated tracked and evaluated unitary peak demand savings values for various products in single-family homes and apartments. The table details the savings for different lighting products, air sealing products, and thermostats, measured in watts per year.
[Table](#page-109-0) 33 combines total EPI results for single-family homes and apartments.
AI summary Table 33 presents aggregated EPI results for single-family homes and apartments, combining data to provide an overview of installation outcomes for energy-efficient products.
Table 33: Evaluated 2024 EPI Gross Electrical Energy and Peak Demand Savings Total for Single family Homes Total for Apartments Grand Total Number of Units Number of Units 144,145 6,577 150,722 Installation Rate (%) 91% 92% 91% Number of U...
AI summary Table 33 presents the evaluated 2024 EPI gross electrical energy and peak demand savings, including data on the number of units installed, energy savings at the meter and generator, and peak demand savings. It also includes factors like line loss and effective useful life for different housing types.
Table 36: 2024 EPI Participant Spillover Levels Average Participant Spillover Level Margin of Error Low-income Participants All Products 0% N/A Non-low-income Participants All Products 8% 3.8% In comparison, the 8% spillover level establis...
AI summary Table 36 presents the 2024 EPI Participant Spillover Levels, showing 0% for low-income participants and 8% for non-low-income participants, with a margin of error of 3.8%. This spillover level is comparable to the 10% established in the 2021 evaluation.
Evaluated 2024 EPI Net Electrical Energy and Peak Demand Savings per Measure (Continued) LED Lamps Foam Gaskets Door Sweeps Window Air Sealing Window Film Kits Door Weather Stripping Energy Savings 0.035 0.002 0.012 0.140 0.023 0.98 0.98 0...
AI summary The document presents a continuation of the 2024 EPI Net Electrical Energy and Peak Demand Savings per Measure evaluation, detailing energy savings for various efficiency measures such as LED lamps, foam gaskets, door sweeps, and window air sealing.
15 EPI Market Evaluation
AI summary The evaluation of the Efficient Product Installation (EPI) market focuses on assessing its effectiveness, market penetration, and impact on energy efficiency initiatives in Nova Scotia. Key considerations include program performance, participant engagement, and alignment with broader energy efficiency goals.
n EPI or outside the category of electrician-installed measures (e.g. appliances). Globally, the scan revealed only a few measures to be considered for the EPI electrician-installed offer as follows: - › Advanced heat recovery ventilator (...
AI summary The jurisdictional scan identifies specific energy efficiency measures for EPI, including advanced HRV controls, efficient bathroom fans, block heater timers, and heat reflector panels. These measures offer energy savings through reduced runtime, improved efficiency, or heat retention, with varying applicability and installation requirements.
2024 EPI Jurisdictional Scan Highlights - › The EPI offering includes most measures found in direct install programs that have some potential for the EPI electrician-installed offer. - › Advanced heat recovery ventilator controls, bathroom...
AI summary The EPI program's electrician-installed offerings include measures like heat recovery ventilator controls and smart devices, with potential for future expansion. Tune-ups require installer certification, and studies are needed to validate energy savings for smart technologies.
16 EPI Key Findings and Recommendations As mentioned previously, the main objectives of the 2024 EPI evaluation were as follows: - › Collect information on participant perspectives - › Calculate gross and net EPI results, namely electrical...
AI summary The 2024 EPI evaluation aimed to collect participant perspectives, calculate energy and GHG savings, and analyze market opportunities. This section outlines key findings and recommendations related to these objectives.
2024 EPI-Finding: Participants are highly satisfied with the overall program component. During the 2024 participant survey, participants rated the overall program component a 9.4 out of 10 and also provided high ratings on the time taken t...
AI summary The 2024 EPI-Finding highlights high participant satisfaction with the program component, scoring 9.4/10. Participants praised work quality, time efficiency, and information on energy-efficient products. The finding emphasizes positive feedback on installation quality and product efficiency.
2024 EPI-Finding: EPI net electrical energy savings and peak demand savings fell short of targets. EPI achieved 8.948 GWh in net electrical energy savings and 0.880 MW in net peak demand savings at the generator in 2024, thus falling short...
AI summary EPI achieved 8.948 GWh in net electrical energy savings and 0.880 MW in peak demand savings in 2024, falling short of targets of 10.569 GWh and 1.127 MW respectively. The shortfall indicates underperformance relative to planned outcomes.
2024 EPI-Finding: Participation slightly increased in 2024, although not enough to increase savings compared to 2023. While participation increased by 2% in 2024, average electrical energy savings per participant decreased by 6.3%. This re...
AI summary Participation in the 2024 EPI program increased by 2%, but average electrical energy savings per participant fell by 6.3%. This decline was driven by updates to the 2024-2025 DSM MA, including reduced savings estimates for smart thermostats (28%) and LED lamps (39%) in EPI gross savings.
2024 EPI-Finding: Installation rates for most products remained relatively stable, while those of smart thermostats for MSHPs were reduced. For the most part, installation rates measured during the 2024 on-site visits varied by less than 1...
AI summary Installation rates for most products under EPI remained stable (±10% vs. 2023), but smart thermostats for MSHPs dropped from 100% to 84% due to participant dissatisfaction and disconnections. The recommendation emphasizes improving engagement through follow-ups, installer education, and better product communication.
2024 EPI-Finding: The overall NTGR for EPI value remained stable although per-product NTGR values varied more significantly. An overall NTGR of 0.98 was established for EPI in 2024 for both the evaluated electrical energy and peak demand s...
AI summary The 2024 EPI-Finding reports that the overall NTGR for EPI remained stable at 0.98, matching 2023 levels. Variations in per-product NTGR values were offset: LED lighting's increase balanced smart thermostats for MSHPs' decrease, maintaining stability in overall savings metrics.
2024 EPI-Finding: The jurisdictional scan revealed several appropriate products to be considered for the EPI electrician-installed measure offer. The 2024 EPI jurisdictional scan allowed the Evaluator to identify several measures that woul...
AI summary The 2024 EPI jurisdictional scan identified advanced heat recovery ventilator controls, bathroom fans, block heater timers, and heat reflector panels/rolls as suitable for EPI's electrician-installed measure offer, supporting the program's focus on energy-efficient product installation.
Efficient Product Installation Appendix XIII: EPI Tracking Sheet Audit Appendix XIV: EPI Participant Survey Questionnaire Appendix XV: EPI Participant Survey Results Appendix XVI: EPI On-site Visit Sampling Methodology and Protocol Appendi...
AI summary The document outlines appendices related to Efficient Product Installation (EPI), including audit processes, participant surveys, free-ridership/spillover calculation algorithms, jurisdictional findings, and 2024 recommendations. These materials support program evaluation and implementation methodologies.
APPENDIX XIV EPI Participant Survey Questionnaire
AI summary Appendix XIV presents the EPI Participant Survey Questionnaire, part of a regulatory proceeding in Nova Scotia. It focuses on gathering data related to Efficient Product Installation (EPI) programs and participant experiences.
Introduction Could I speak with [INSERT NAME]? - 1. Yes [CONTINUE] - 2. No [SAY "PERHAPS YOU CAN HELP ME ANYWAY." CONTINUE] Hello, my name is _________ and I am with Narrative Research, and we are performing an evaluation of energy efficie...
AI summary Narrative Research is conducting an evaluation of energy efficiency services provided by Efficiency Nova Scotia. They are contacting individuals who participated in the Efficient Product Installation Service to gather feedback on their experience with the service.
A. Verification - A1. I am going to read you a list of energy-efficient products that, according to our records, were installed in your home by the Efficient Product Installation Service. For each one, can you please confirm that this prod...
AI summary This section outlines a verification process to confirm installation of energy-efficient products (e.g., LED bulbs, insulation, smart thermostats) via the Efficient Product Installation Service. Respondents are asked to validate each item, with options to confirm, deny, or indicate uncertainty. The process includes instructions for data recording and termination if all responses are negative.
D1. When you initially thought about participating in the Efficient Product Installation Service, what were your concerns, if any? RECORD VERBATIM: [VOLUNTEERED]
AI summary The question asks about concerns individuals had when considering participation in the Efficient Product Installation Service. No direct responses or concerns are provided in the text.
[VOLUNTEERED] - 98. Don't know - 99. Refused - E2. [IF [E1=](#page-106-0)YES] Just to confirm: Have I understood correctly that you had already made the decision to purchase and install LED bulbs in your home before you learned about the E...
AI summary The text presents a survey question (E2) confirming whether respondents decided to purchase LED bulbs before learning about the Efficient Product Installation Service (EPI). It seeks to determine if prior decisions were made independently of EPI's influence.
FR – SMART THERMOSTAT [ASK IF YES IN [A1](#page-101-0)[96.99.M]](#page-101-2) The next questions will be about the smart thermostat you had installed through the service. - E7. Before learning about the Efficient Product Installation Servi...
AI summary The document asks respondents if they decided to purchase smart thermostats before learning about the Efficient Product Installation Service (EPI). The question focuses on installation through EPI, a program under Nova Scotia's demand-side management initiatives.
FR – DOMESTIC HOT WATER MEASURES [ASK IF NO IN A1M AND IF YES IN [A1](#page-101-0)[96.99.C,](#page-101-3) [A1](#page-101-0)[96.99.D,](#page-101-4) [A1](#page-101-0)[96.99.E,](#page-101-5) [A1](#page-101-0)[96.99.F,](#page-101-6) OR [A1](#p...
AI summary The text outlines a question (E13) regarding whether respondents decided to install a domestic hot water (DHW) measure before learning about the Efficient Product Installation Service (EPI). It directs to specific sections in the regulatory document for further details.
[ASK [E16,](#page-110-0) [E17,](#page-110-1) [E18](#page-111-1) SEQUENCE IN ORDER/DO NOT RANDOMIZE] - E16. Without the efficient product installation service, how likely would you have been to take the initiative to purchase at a store and...
AI summary This survey question (E16) asks respondents about their likelihood of purchasing and installing a domestic hot water (DHW) measure without the Efficient Product Installation Service (EPI), with response options ranging from 'definitely would have' to 'definitely would not have'.
[ASK [E19](#page-111-0) ONCE AT THE END OF SECTION E FOR EVERYONE, WHATEVER THEIR MEASURE, NOT FOR EACH PRODUCT] E19. How influential were the following two factors in your decision to have energy-efficient products installed in your home?...
AI summary The text presents a survey question (E19) asking respondents about the influence of two factors—free installation of energy-efficient products and advice from service staff—on their decision to install such products in their homes. It includes response options and a section titled 'Cross-Influence' that is not detailed in the provided text.
INSTRUCTION: CROSS-INFLUENCE SERIES SHOULD BE ASKED ONLY TO RESPONDENTS WHO INDICATED "YES" IN [A1](#page-101-0)[A](#page-101-1) (LED BULBS) AND/OR "YES" IN [A1](#page-101-0)[96.99.M](#page-101-2) (SMART THERMOSTAT) AND/OR "YES" IN EITHER...
AI summary The text outlines instructions for a proceeding related to energy efficiency programs, specifically focusing on participation in the efficient product installation service. It includes questions about prior participation in Efficiency Nova Scotia programs and whether that influenced the decision to install energy-efficient products.
G. Spillover - G1. [ASK ALL] Since participating in the Efficient Product Installation Service, have you installed any additional energy-efficient products in your home? - 1. Yes - 2. No [GO TO [G5]](#page-116-0) - 98. Don't know/Don't rec...
AI summary The document presents survey questions assessing spillover effects from the Efficient Product Installation Service (EPI), inquiring about additional energy-efficient product installations and quantities. It focuses on customer behavior and program impact evaluation.
H. Recommendations for Program Improvements H1. Do you have any recommendations to help improve the Efficient Product Installation Service? PROBE : Anything else? [DO NOT READ, RECORD VERBATIM] - 97. None - 98. Don't know - 99. Refused
AI summary The section asks for recommendations to improve the Efficient Product Installation Service but does not provide specific suggestions, only the probing question and response options (None, Don't know, Refused).
APPENDIX XV EPI Participant Survey Results The participant survey results are presented in the following tables.
AI summary This section presents the results of the EPI Participant Survey in tabular format, providing insights into participant experiences and feedback related to the Efficient Product Installation program.
C4. Using a scale from 1 to 10, where 1 is "not at all satisfied" and 10 is "completely satisfied," how satisfied are you with each of the following aspects of the Efficient Product Installation Service? \
AI summary The text asks for customer satisfaction ratings on a scale from 1 to 10 for the Efficient Product Installation Service, focusing on various aspects of the service.
E4. Without the Efficient Product Installation Service, how likely would you have been to take the initiative to purchase LED bulbs at a store and install them yourself in your home? \ If No EPI, Likelihood of Taking Initiative to Purchase...
AI summary The text presents survey results on customer behavior related to LED bulb and smart thermostat installation. It asks respondents how likely they would have been to purchase and install LED bulbs themselves if the Efficient Product Installation Service (EPI) was not available. The data shows that most respondents would not have taken the initiative without EPI.
E14. Just to confirm: Have I understood correctly that you had already made the decision to purchase and install in your home before you learned about the Efficient Product Installation Service?
AI summary The text confirms that the individual had already decided to purchase and install a domestic hot water measure before learning about the Efficient Product Installation Service.
To Confirm: Already Decided to Purchase and Install 2021 (#) 2024 (#) Before Learning About EPI Sample Size Yes No Don't know Sample Size Yes No Don't know Pipe insulation - - - - 3 2 1 - Hot water tank wrap - - - - 2 2 - - Low-flow shower...
AI summary The table presents data on respondents who had already decided to purchase and install specific energy efficiency measures through EPI before learning about the service. It shows the sample size and responses for different measures in 2021 and 2024.
E15. Without the Efficient Product Installation Service, what is the likelihood you would have paid for the knowing that the cost is about… If No EPI, Likelihood of Paying For The 2024 (# or %) 2024 (# or %) MEASURE> Knowing The Cost is Ab...
AI summary This table explores the likelihood that respondents would have paid for specific domestic hot water (DHW) measures without the Efficient Product Installation (EPI) service, based on cost and sample size. The data shows varying responses depending on the measure and its associated cost.
E16. Without the Efficient Product Installation Service, how likely would you have been to take the initiative to purchase at a store and install them in your home … If No EPI, Likelihood of Taking Initiative to 2024 (# or %) Purchase and...
AI summary This question explores the likelihood of customers taking initiative to purchase and install specific domestic hot water (DHW) measures without the Efficient Product Installation (EPI) service. The data shows varying responses across different measures, with some showing higher likelihoods of purchase and installation, while others show lower probabilities.
E17. Without the Efficient Product Installation Service, what is the likelihood you would have postponed replacing your by at least one year? If no EPI, Likelihood of Postponing 2024 (# or %) Replacement of by at Least One Year Sample Size...
AI summary This question explores the likelihood that respondents would have postponed replacing specific domestic hot water (DHW) measures by at least one year without the Efficient Product Installation (EPI) service. The data shows varying responses across different measures, with low-flow showerheads having the highest percentage of respondents who would have postponed the replacement.
E18. Without the Efficient Product Installation Service, which of the following scenarios would have most likely occurred? You would have purchased and installed… If No EPI, Likelihood of Purchasing and 2024 (# or %) Installing Same, Less...
AI summary This question explores the impact of the Efficient Product Installation (EPI) service on customer behavior. It asks what would have happened if EPI was not available, focusing on the likelihood of customers purchasing and installing energy-efficient products themselves.
E19. How influential were the following two factors in your decision to have energy-efficient products installed in your home? 2024 Influence of Factors in Decision to Have Energy-Efficient Products Installed in Home Sample Size Very/Somew...
AI summary The survey explores the influence of free installation and service staff advice on the decision to install energy-efficient products in homes. It also examines prior participation in Efficiency Nova Scotia (ENS) programs before joining the Efficient Product Installation (EPI) service.
\ Wording change in 2024 F5. Before participating in the Efficient Product Installation Service in , had you at any time in the past seen Efficiency Nova Scotia advertisements or information discussing the benefits of energy efficiency?
AI summary The text asks if individuals had seen Efficiency Nova Scotia advertisements or information about energy efficiency benefits before participating in the Efficient Product Installation Service in a specific month and year.
F7. Do you agree or disagree that the promotion of energy efficiency by Efficiency Nova Scotia prompted you to ask for the installation of energy-efficient products at no cost in your home? \ Promotion of Energy Efficiency Carried Out by E...
AI summary A survey shows that 96% of respondents in both 2021 and 2024 agreed that Efficiency Nova Scotia's promotion of energy efficiency prompted them to install energy-efficient products at no cost in their homes. The sample included individuals who had installed various energy-efficient products through EPI and had previously seen ENS advertisements or information about energy efficiency.
G3. How many did you purchase and install? 2021 2024 Number of Energy Efficient Products Installed Since Participating in EPI Sample Size Mean Sample Size Mean LED bulbs 9 8.9 5 9.4 LED fixtures 1 3.0 2 5.5 Dehumidifiers 1 1.0 1 1.0 Faucet...
AI summary The table details the number of energy-efficient products installed by participants in the Efficient Product Installation (EPI) program in 2021 and 2024, including LED bulbs, fixtures, dehumidifiers, and others. The data includes sample sizes and mean values per respondent.
G4. Did you receive an instant rebate at the cashier for the [energy efficient product] you purchased? Received Instant Rebate at Cashier for Energy Efficient 2021 (#) 2024 (#) Products Installed Since Participating in EPI Sample Size Yes...
AI summary The text discusses customer experiences with receiving instant rebates at the cashier for energy-efficient products purchased through the Efficient Product Installation (EPI) program. It includes survey data from 2021 and 2024 on product types, sample sizes, and customer feedback on the program's influence and potential improvements.
1) General Information Date of Visit: Tracking Number: Delivery Agent ID: Address: Contact Name: Telephone: Type of Dwelling: Owner or Tenant: From Tracking Sheet Confirmed On-site Main Heat Type: Secondary Heat Type: AC Used in Home Yes ...
AI summary This section provides general information and product installation details for a home energy efficiency program. It includes placeholders for data collection such as visit date, delivery agent information, dwelling type, and heating system details. The second section focuses on product installation specifics.
Lighting Products Product Quantity in Tracking Sheet Quantity On Site Explanation, If Different Indoors or Outdoors 9 W LED 18 W LED 7 W PAR20 LED 15 W PAR38 LED 7 W GU10 LED 7 W G25 LED Globe 5 W E12 LED Chandelier LED Nightlight Notes: D...
AI summary The document contains tables detailing various lighting and domestic hot water (DHW) products, including quantities in tracking sheets and on site, along with notes and explanations. It also includes a section on thermostats and power strips. An appendix discusses EPI algorithms for free-ridership calculation.
Table 1: Spillover (for Electrical Savings) 2021 Algorithm 2024 Algorithm G7 How many [INSERT RESPONSE IN G6] have you retired? each retired appliance) Question discontinued 00 Did you receive a rebate or assistance from a program for the...
AI summary Table 1 presents a framework for calculating spillover effects related to electrical savings, including questions about appliance retirement, rebate receipt, and the influence of the Efficient Product Installation Service on customer decisions.
APPENDIX XIX EPI Jurisdictional Scan Findings Econoler performed a scan across various jurisdictions throughout Canada and the United States (US) to identify other measures that could be installed by electricians under EPI. This appendix p...
AI summary Econoler conducted a jurisdictional scan to identify measures that can be installed by electricians under the Efficient Product Installation (EPI) program. The appendix categorizes measures already included in EPI, those not suited for EPI, and potential additions to the program.
Table 1: Jurisdictional Scan Findings Jurisdiction Program Entity Offering the Program Energy Efficiency Measures Source Cold climate air source heat pump Energy Savings Kit LED light bulbs Weather stripping Handheld showerhead Retractable...
AI summary Table 1 presents a jurisdictional scan of energy efficiency programs, listing various measures such as cold climate air source heat pumps, LED light bulbs, and weather stripping. The table is incomplete, with some fields left empty, and focuses on direct-install programs in the U.S.
This appendix summarizes all the recommendations made by the Evaluator as part of the 2024 EPI evaluation. Section Recommendations Executive Summary Recommendation #1: To improve the smart thermostat installation rate, explore and implemen...
AI summary This appendix summarizes recommendations from the 2024 EPI evaluation, focusing on improving smart thermostat installation rates by reducing participant dissatisfaction through follow-up calls, installer education, and additional educational materials.
3.4 Service Influence on Distributors Similar to 2022, distributors of LED linear fixtures, LED linear lamps, and LED outdoor fixtures were questioned about the different strategies employed to sell each of these product categories in 2024...
AI summary Distributors in 2024 promoted LED products through strategies such as Instant Rebates, discounts, and training workshops, particularly for LED fixtures. These efforts were more common for LED fixtures than for LED lamps. Distributors noted limited availability of non-LED alternatives, which influenced their strategies.
LIST OF APPENDICES The following are presented in the Direct Installation Program – Appendices document.
AI summary The document lists appendices related to the Direct Installation Program. It serves as a reference for program-specific documentation, though no detailed content or analysis is provided in the excerpt.
ABBREVIATIONS ADL Average number of dried loads AHRI Air-Conditioning, Heating, and Refrigeration Institute AHRI Air-Conditioning, Heating, and Refrigeration Institute AMH Affordable Multi-family Homes (program component) ARet Appliance Re...
AI summary This document provides a comprehensive list of abbreviations and their expansions relevant to Nova Scotia's regulatory proceedings, covering energy efficiency programs, technologies, and metrics.
Table 1: Measure Assessment Change Log Change Type Section Description Date Update 1.1.1(7) Pipe Insulation Update EUL value 2023-03-09 New Measure 1.1.1(10) Smart Thermostats for Electrical Heating Systems Renamed from the smart thermosta...
AI summary This table outlines changes made to energy efficiency measures, including updates to existing measures and the addition of new ones, such as smart thermostats for electrical heating systems and solar fixtures, with modifications to energy use levels and savings values.
Table 4: Proportion of Lighting Products Used Indoors Type of Product Program Component % Indoor Source A-type LED Lamps 6 97% 2021, 2022 and 2023 EPI Tracking Sheets Reflector and Decorative LED Lamps 7 (Except PAR38) 100% 2024 EPI Evalua...
AI summary Table 4 outlines the proportion of various lighting products used indoors, based on data from EPI tracking sheets, evaluations, and assumptions. The table highlights that products like A-type LED lamps, reflector and decorative LED lamps (except PAR38), and dimmer switches are predominantly used indoors, while outdoor motion sensors and solar fixtures are not.
Table 5: Overall Interactive Effects Factors for Residential Lighting Measures Interactive Effects Factors Measure Type of Home Energy Savings Peak Demand Savings EPI LED A-type Lamps10 Heat Pump Heating and Air Conditioning -25.8% x 97% =...
AI summary Table 5 presents the overall interactive effects factors for residential lighting measures, including energy and peak demand savings for various lighting technologies and installation methods. The data shows significant energy savings from LED lamps and other efficiency measures across different home heating and cooling configurations.
Table 7: LED Lamp Measure Summary Parameter EPI Instant Savings Reference Measure Description and Identification Measure LED lamps (A-type, Reflector, and Decorative) with direct installation ENERGY STAR Certified LED non-A-type Lamps (R,...
AI summary Table 7 summarizes the LED lamp measure, including parameters such as installation rates, energy savings, and interactive effects. It compares different programs like EPI and Instant Savings, providing details on baseline lamps, energy savings in kWh/year, and peak demand-to-energy ratios.
Displaced Wattage For Efficient Product Installation (EPI), displaced wattage is defined as the difference between the real wattage value of the old lamp and that of the new LED lamp. Both these values are available in the EPI tracking she...
AI summary Displaced wattage for EPI is calculated as the difference between old and new LED lamp wattages. For Instant Savings, average displaced wattage values are established using two baselines: early replacement and replace-on-burn-out. The UMP methodology is referenced to ensure accurate baseline wattage representation for LED lamps.
Table 22: 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 22 presents the electrical unitary savings values for LED nightlights, including old and new wattage, average displaced wattage, hours of operation, and annual energy savings. The table is based on assumptions and calculations related to the installation of LED nightlights through the Efficient Product Installation (EPI) program.
Table 35: Low-flow Showerhead Measure Summary Parameter EPI Reference Measure Description and Identification Measure Low-flow showerheads for electric DHW heating with direct installation - Baseline Standard showerhead with a flow rate of...
AI summary Table 35 summarizes the low-flow showerhead measure, including parameters such as flow rate reductions, installation rates, effective useful life, and energy savings. The table details different subcategories and provides references for further information.
Table 36: 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 36 presents electrical unitary energy savings values for low-flow showerheads, including parameters such as baseline flow rate, low-flow rate, number of people per household, average shower time, and efficiency of water heaters. The data is sourced from various studies and references, including the EPI Program Manual and technical reports.
Table 37: Electrical Unitary Energy Savings Values for Low-flow Showerheads (Continued) EPI Parameter Symbol Single-family Homes Apartments Reference Unit Conversion #2 [ft3 /gal] UC2 0.1337 Convention Share of Participants with Electrical...
AI summary Table 37 provides electrical unitary energy savings values for low-flow showerheads in single-family homes and apartments. The table includes parameters such as unit conversion, share of participants with electrical water heaters, and energy savings based on flow rate reductions. Installation rates for EPI low-flow showerheads are referenced in Table 38.
Table 38: EPI Low-flow Showerhead Installation Rate Installation Rate Margin of Error Source 95% 4.7% 2024 EPI evaluation (on-site visits) (5) Faucet Aerators
AI summary Table 38 presents the EPI Low-flow Showerhead Installation Rate at 95% with a margin of error of 4.7%, sourced from the 2024 EPI evaluation. The document also references Faucet Aerators on page 125.
Table 39: Faucet Aerator Measure Summary Parameter EPI Reference Measure Description and Identification Measure Faucet aerators for heating with direct i 0.000 - Baseline Standard faucet wit h no aerator Application Single-family homes Apa...
AI summary Table 39 provides a summary of the Faucet Aerator Measure, including parameters such as installation rates, energy savings, and peak demand savings. The table outlines the measure description, baseline, application, and various energy efficiency metrics related to faucet aerators in single-family homes and apartments.
Installation Rates [Table](#page-127-1) 41 lists the installation rate for EPI faucet aerators.
AI summary Table 41 provides the installation rate for EPI faucet aerators, which is part of the discussion on efficient product installation programs.
Table 41: EPI Faucet Aerator Installation Rate Installation Rate Margin of Error Reference 92% 7.0% 2024 EPI evaluation (on-site visits) (6) Thermostatic Shower Valves
AI summary Table 41 presents the EPI Faucet Aerator Installation Rate at 92% with a margin of error of 7.0%, based on the 2024 EPI evaluation. The section following the table discusses thermostatic shower valves.
Table 42: Thermostatic Shower Valve Measure Summary Parameter EPI Reference Measure Description and Identification Measure Thermostatic shower valves for electric DHW heating with direct installation - Baseline Showerheads with a flow rate...
AI summary Table 42 summarizes the energy savings parameters for thermostatic shower valves installed in single-family homes and apartments. It includes details such as installation rates, useful life, unitary energy savings, and peak demand-to-energy ratios, referencing various subsections for further information.
Table 43: Electrical Unitary Energy Savings Values for Thermostatic Shower Valves Parameter Symbol Value for Single- family Homes Value for Apartments Reference Flow Rate [gpm] q 2.5 gp m EPI 2024 Program Manual Number of People per Househ...
AI summary Table 43 presents electrical unitary energy savings values for thermostatic shower valves in single-family homes and apartments. It includes parameters such as flow rate, number of people per household, average number of showers, and energy efficiency metrics. The values are calculated based on conventions, references, and program manuals.
Table 44: Thermostatic Shower Valve Installation Rate Installation Rate Margin of Error Reference 89% 17.6% 2024 EPI evaluation (on-site visits) (7) Pipe Insulation
AI summary Table 44 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 section also mentions pipe insulation as a related topic.
Table 46: Unitary Savings Value for Pipe Insulation Parameter EPI Unitary Energy Savings (per ft) [kWh/year] 12.7
AI summary Table 46 presents the unitary energy savings value for pipe insulation, showing a value of 12.7 kWh/year per foot. This data is part of an analysis related to energy efficiency measures, specifically under the Efficient Product Installation (EPI) program.
Table 47: EPI Pipe Insulation Installation Rate Installation Rate Margin of Error Reference 100% 0.0% 2024 EPI evaluation (on-site visits) (8) Hot Water Tank Wraps
AI summary Table 47 presents the EPI Pipe Insulation Installation Rate at 100% with a 0.0% margin of error, referencing the 2024 EPI evaluation. The section also introduces a discussion on hot water tank wraps.
Table 49: Electrical Unitary Savings Values for Hot Water Tank Wraps Parameter Symbol Value for Single-family Homes Value for Apartments Reference Layer 1: Interior Insulation of Tank External Radius of the Layer [m] re 0.300 0.280 Giant76...
AI summary Table 49 provides electrical unitary savings values for hot water tank wraps, including parameters such as thermal resistance, heat transfer, and energy savings. The table differentiates between single-family homes and apartments and includes references to various sources and calculations.
Table 50: EPI Hot Water Tank Wrap Installation Rate Installation Rate Margin of Error Source 100% 0.0% 2024 EPI evaluation (on-site visits) 2.3 Space Heating
AI summary Table 50 presents the EPI Hot Water Tank Wrap Installation Rate at 100% with no margin of error, sourced from the 2024 EPI evaluation. The section also introduces a discussion on space heating.
Table 59: Electrical Unitary Savings Values for Ground-source Heat Pumps in Green Heat Parameter Symbol Value Reference Rated heating capacity of the new heat pump [Btu/h] 𝐻𝐶 Specification data for each installed system AHRI certified valu...
AI summary Table 59 presents electrical unitary savings values for ground-source heat pumps in the Green Heat program, including parameters such as heating and cooling capacities, performance factors, and load hours, with references to AHRI certified values and technical reference manuals.
Table 68: EPI Air Sealing Product Installation Rate Measure Description Installation Rate Margin of Error Reference Foam Gasket 29% - 2024 EPI evaluation Door Sweep 100% - Assumption Window Air Sealing 84% 11.2% 2021 EPI evaluation (on-sit...
AI summary Table 68 provides installation rates for various air sealing products under the Efficient Product Installation (EPI) program, including foam gaskets, door sweeps, window air sealing, and door weather stripping. The data includes margin of error and references to evaluations conducted in 2021 and 2024.
Table 76: EPI Smart Thermostat for MSHP Installation Rate Measure Description Installation Rate Margin of Error Reference Smart Thermostats for MSHPs 84% 12.3% 2024 EPI evaluation (on-site visits) (11) Advanced Learning Thermostat for Cent...
AI summary Table 76 presents the installation rate of EPI Smart Thermostats for Multi-Split Heat Pumps (MSHPs) at 84% with a margin of error of 12.3%, based on the 2024 EPI evaluation. This data provides insight into the adoption rate of smart thermostats for MSHP installations.
Table 77: Advanced Learning Thermostat for Central Heating System Measure Summary Parameter EPI Reference Measure Description and Identification Measure Wi-Fi enabled advanced thermostats with 7-day or learning-based scheduling and remote...
AI summary Table 77 provides a summary of the Advanced Learning Thermostat for Central Heating System measure, including details on the measure description, baseline, subcategory, installation rate, effective useful life, and energy savings parameters. The table outlines energy savings, peak demand savings, and interactive effects factors.
Table 108: ENERGY STAR Certified Room Air Purifier Measure Summary Parameter Instant Savings Reference Measure Description and Identification Measure ENERGY STAR certified room air purifiers, rebated in store - Baseline New Non-ENERGY STAR...
AI summary Table 108 provides a summary of the ENERGY STAR certified room air purifier measure, including parameters such as installation rate, effective useful life, energy savings, and peak demand savings. The table includes details on unitary energy savings and peak demand-to-energy ratio.
Table 118: Smart Power Controllers for Audiovisual Equipment Measure Summary Parameter EPI Instant Savings Reference Measure Description and Identification Measure Smart power controllers for audiovisual equipment with direct installation...
AI summary This table provides a summary of the Smart Power Controllers for Audiovisual Equipment Measure, including details on installation rates, effective useful life, and energy savings parameters for two programs: EPI and Instant Savings. It outlines the baseline, measure subcategories, and references for further information.
Smart power bars rebated under EPI are classified as Tier 2, while those rebated under Instant Savings are classified as Tier 1. Tier 1 smart power bars have a master outlet that switches off other outlets when the master device is turned...
AI summary The document discusses the classification of smart power bars under two rebate programs, EPI and Instant Savings, with Tier 1 and Tier 2 having different functionalities and energy savings. The energy savings values are based on a 2019 study conducted in Massachusetts.
For EPI, [Table](#page-197-1) 120 lists the installation rate for smart power controllers for audiovisual equipment.
AI summary The document references a table that lists the installation rate for smart power controllers for audiovisual equipment under the Efficient Product Installation (EPI) program.
Table 120: EPI Smart Power Controller for Audiovisual Equipment Installation Rate Installation Rate Margin of Error Reference 100% 0.0% 2024 EPI on-site visits183 For Instant Savings, the installation rate is 86% is based on the impact eva...
AI summary Table 120 presents an installation rate of 100% with no margin of error, referencing 2024 EPI on-site visits. The 86% installation rate for Instant Savings is based on an impact evaluation from 2018, conducted in parallel to the 2019 Massachusetts metering study.
Table 124: Electrical Unitary Savings Values of Heavy-duty Outdoor Timers Parameter Value Source Unitary Energy Savings [kWh/year] 122 OPA, 2012188 Installation Rates
AI summary Table 124 presents the electrical unitary savings values of heavy-duty outdoor timers, with a unitary energy savings value of 122 kWh/year, sourced from the Ontario Power Authority in 2012188. The table also includes a section on installation rates.
3.1 LED Lamps and Fixtures To establish lifetime energy savings for LED lamps and fixtures, the equipment life is determined using rated lifetimes identified in product specification sheets and annual HOU, as described in the equation belo...
AI summary The document discusses the calculation of equipment life for LED lamps and fixtures using rated lifetimes and annual HOU, and the need to adjust equivalent EUL values annually due to regulatory changes affecting baseline energy use over time.
Table 134: EUL Values for Residential LED Lamps and Fixtures Measure Program Component Average Rated Lifetime (hours) Annual HOU (hours/year) Equipment Life (years) 2024 Equivalent EUL (years) LED A19 Lamps 9 W Replacing 25 W EPI 25,000 94...
AI summary Table 134 presents EUL (Effective Useful Life) values for various residential LED lamps and fixtures, including details on average rated lifetime, annual HOU (hours of use), equipment life, and 2024 equivalent EUL. The table includes data for different wattage replacements, types of lamps, and programs such as EPI and Instant Savings.
Table 135: EUL Values and Sources for Non-LED Lighting Residential Measures Measure Name Advanced Learning Thermostat for Central Heating Systems EPI 10 Various EUL values are used among jurisdictions. The common practice is to use the sam...
AI summary Table 135 outlines the Energy Use Life (EUL) values and sources for various non-LED lighting residential measures, including advanced learning thermostats, smart power controllers, and heavy-duty outdoor timers. These values are sourced from different studies and programs, with some measures having similar EUL values to other related technologies.
Table 136: Commercial Measure Assessment Change Log Change Type Section Description Date Update Lighting Measures For LED Linear Fixtures, LED Linear Lamps, LED Outdoor Fixtures, and LED Directional and Architectural Fixtures, the HOU for...
AI summary Table 136 outlines updates and new measures in commercial energy efficiency programs, including changes to lighting measures, occupancy sensors, LED nightlights, and the addition of horticultural lighting. It also includes updates to air-source heat pumps, water heating interactive effects, and various water heating efficiency measures, all effective March 19, 2025.
Summary Table 142 presents a summary of the values used to calculate A-type, reflector, and decorative LED lamp savings. These measures are only offered through the Commercial Direct Install (CDI) Pilot and use unitary savings values rathe...
AI summary Table 142 summarizes the values used to calculate savings for A-type, reflector, and decorative LED lamps. These measures are only available through the Commercial Direct Install (CDI) Pilot and use unitary savings values instead of measure-specific calculations.
APPENDIX II Detailed Calculations of 2024 Equivalent EUL Values for LED Lamps and Fixtures This appendix presents how the equivalent effective useful life (EUL) of LED lamps and fixtures were calculated for applicable measures in the EPI a...
AI summary This appendix explains the calculation of the equivalent effective useful life (EUL) for LED lamps and fixtures in the EPI and Instant Savings programs. The EUL is determined by comparing the manufacturer-rated lifetime of the equipment with annual HOU values used to calculate unitary savings.
EPI
AI summary The text refers to EPI (Efficient Product Installation) but contains no further information or discussion beyond the heading.
Since non-recessed LED downlight fixtures replace fixtures using A-type lamps, the methodology for establishing their equivalent EUL is similar to that of A-type lamps in Efficient Product Installation (EPI). The equivalent EUL calculation...
AI summary The text discusses the methodology for calculating the equivalent EUL of non-recessed LED downlight fixtures, comparing them to A-type lamps in the Efficient Product Installation (EPI) program. The calculation takes into account the rated life of LED lamps and a regulatory change in 2025 that affects the baseline for energy savings.
Final Report 341 Current A lgorithm Adjuste d Algorithm Since participating in the Efficient Product Installation Service, have you 1) Yes 2) No CONTINUE Since participating in the Efficient Product Installation Service, have 1) Yes 2) No...
AI summary The text presents a survey form related to the Efficient Product Installation Service, asking participants about additional energy-efficient products installed in their homes and the number of items purchased and installed.
Table 373: Instant Rebates Distributor Influence Level Algorithm Current Algorithm Adjusted Algorithm Current Algorithm Adju sted Algorithm
AI summary The text presents a table comparing the current and adjusted algorithms for the Instant Rebates Distributor Influence Level, which is part of the efficiency and rebate programs in Nova Scotia.