E-22021 DSM Evaluation Reports
102 passages
Table 1: 2021 Portfolio Evaluation Plan DSM Program Program Components Impact Process Market Residential Residential Efficient Appliance Retirement (ARet) Condensed Products Rebates Instant Savings Comprehensive X Efficient Product Install...
AI summary The 2021 Portfolio Evaluation Plan outlines various energy efficiency programs, including appliance retirement, efficient product installation, and business energy rebates, with different levels of impact and market evaluation themes. Selected program components are highlighted for additional evaluation activities.
Measure Assessment Document The impact evaluation scope for 2021 also included an update of the Measure Assessment (MA) document. The MA was updated with a new edition to include new products added to program offerings or new savings param...
AI summary The 2021 Measure Assessment (MA) document was updated to include new products, parameters, and annual updates for LED lighting, heat pumps, appliance retirements, and solar air heating. EUL values were added for new measures, while other measures retained 2020 data.
Site Visits The Evaluator performed a total of 106 on-site visits during the summer and fall of 2021. For Business Energy Rebates, the objective of on-site visits was to collect data to establish or validate some of the parameters used in...
AI summary The Evaluator conducted 106 on-site visits in 2021 to validate data and parameters for various programs, including Business Energy Rebates, Affordable Multifamily Housing, and Efficient Product Installation. These visits aimed to ensure accuracy in savings calculations and model simulations.
Table 6: Comparison of 2021 Evaluated and Tracked Energy Savings at the Generator Portfolio Total 141.346 111.047 138.896 0.79 109.418 1,548.786 99% BNI Subtotal 90.978 71.663 88.668 0.77 68.142 970.670 95% Direct Installation Small Busine...
AI summary Table 6 compares the 2021 evaluated and tracked energy savings across different programs and portfolios, including BNI, residential, and DSM initiatives. It highlights energy savings metrics such as annual gross and net savings, NTGR, and lifetime net energy savings for various programs like Small Business Energy Solutions, Strategic Energy Management, and the Mi'kmaw Home Energy Efficiency Project.
Table 14: Evaluated Net Peak Demand Savings at the Generator, 2017-2021 Peak Demand Savings (MW) Peak Demand Savings (%) DSM Program Program Component 2017 2018 2019 2020 2021 2017 2018 2019 2020 2021 Residential Residential Appliance Reti...
AI summary Table 14 presents evaluated net peak demand savings from various demand-side management (DSM) programs in Nova Scotia from 2017 to 2021, highlighting the contributions of residential, BNI, and overall portfolio programs in terms of megawatts (MW) and percentage savings.
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 provides an overview of the Efficient Product Installation (EPI) program, including its participation history and follow-up on past evaluation recommendations.
11.1 EPI Description EPI provides participants with free-of-charge direct installations of energy efficient products. EOne contracts service providers to provide this service across the province. EPI is available to both homeowners and ren...
AI summary The Efficient Product Installation (EPI) program offers free direct installation of energy-efficient products to homeowners and renters. Energy Efficiency Nova Scotia (EOne) contracts service providers to deliver this service province-wide, and Table 44 outlines the products available in 2021 and their energy-saving focus.
Table 44: 2021 EPI List of Eligible Products Products Electrical Savings Non-electrical Savings LED lamps including A-types, reflectors, and chandeliers X - LED nightlights X - Faucet aerators28 X X Low-flow showerheads29 X X Thermostatic...
AI summary Table 44 lists eligible products for the 2021 Efficient Product Installation (EPI) program, including LED lamps, faucet aerators, low-flow showerheads, and air sealing kits, with details on their electrical and non-electrical savings. Some products are eligible for both types of savings, while others are limited to one.
30 Thermostatic shower valves were removed in August 2019 and reintroduced in 2020. 31 Ibid. 32 Ibid. 33 Since July 2019, smart thermostats are offered to all non-electrically heated households; prior to 2019, they were only offered to low...
AI summary The document discusses the implementation and funding of the Efficient Product Installation (EPI) program, including its suspension due to the COVID-19 pandemic and its energy-saving targets. EPI is funded through electricity ratepayer contributions and the Low Carbon Economy Fund (LCEF), with a focus on reducing electricity consumption and peak demand.
2021 EPI Participant Perspective Highlights - › Participants learned about EPI mainly through word-of-mouth, followed by social media or through the mail. - › Satisfaction with EPI overall is very high among participants with an average ra...
AI summary Participants in the 2021 Efficient Product Installation (EPI) program primarily learned about it through word-of-mouth, followed by social media and mail. Overall satisfaction with EPI was very high, with participants praising the installer, information provided, and the quality and timeliness of the work.
14.2 Gross Savings For EPI, gross savings correspond to the change in energy consumption resulting from installing energy efficient products in participants' homes regardless of why they participated. 40 While the Evaluator relied on infor...
AI summary The document discusses the calculation of gross savings for the Efficient Product Installation (EPI) program, including updates to installation rates, assumptions, and energy use values based on evaluations and on-site visits.
Table 47: 2021 EPI Product Installation Rates Product Installation Rate Applied to Gross Savings Margin of Error Source LED Lamps 94% 2.1% 2021 EPI on-site visits LED Nightlights 94% 2.1% 2021 EPI on-site visits Faucet Aerators 85% 6.8% 20...
AI summary Table 47 presents 2021 EPI product installation rates, including installation rates and margins of error for various energy-efficient products. The data is sourced from EPI on-site visits and assumptions made for products with higher margins of error.
14.2.2 Unitary Energy Savings For EPI, EOne establishes separate unitary savings values for single-family homes and apartments. The Evaluator used the unitary savings values from the 2020-2022 Measure Assessment and revised them where nece...
AI summary The Evaluator adjusted unitary savings values for EPI products, such as DHW products and blackout bulbs, based on 2021 on-site visit findings. The document details changes made to unitary savings calculations and provides a summary of tracked and evaluated energy savings for each product installed through EPI in 2021.
Table 48: 2021 EPI 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 W Replac...
AI summary Table 48 presents the tracked and evaluated unitary energy savings for the Efficient Product Installation (EPI) program in 2021, focusing on LED lamps and other products in single-family homes and apartments. The data shows no changes in energy savings across various product replacements.
2021 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] Air Sealing Produc...
AI summary The document details the energy savings tracked and evaluated for the Efficient Product Installation (EPI) program in 2021, covering various products used in single-family homes and apartments. It shows that most products had no change in evaluated savings compared to tracked savings, with the exception of some showerhead and faucet aerator products.
Table 49: 2021 EPI 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 Lamps 9 W Re...
AI summary Table 49 presents the 2021 EPI tracked and evaluated unitary peak demand savings values for various LED lamp replacements in single-family homes and apartments, showing no changes in evaluated savings across all products.
14.2.4 Interactive Effects In a home, interactive effects occur when the implementation of energy efficiency products has an impact on the energy consumption of other elements such as heating and cooling. In the case of EPI, replacing ligh...
AI summary The text discusses interactive effects in homes due to energy efficiency products, such as LED lighting and hot water insulation, which influence heating and cooling loads. Updates to interactive effects factors for LED A-type lamps and assumptions about PAR38 lamp installations are noted based on the 2021 EPI tracking sheet and site visits.
[Table](#page-166-1) 50 and [Table](#page-167-2) 51 below list the interactive effects factors for LED products installed indoors and hot water insulation products respectively. Table 50: 2021 EPI Interactive Effects Calculation Results fo...
AI summary The tables show the interactive effects factors for LED products installed indoors and hot water insulation products. The data indicates significant energy and peak demand reductions for various home heating and cooling configurations, with the most substantial impacts observed in homes with electrical heating and air conditioning.
Table 51: 2021 EPI Interactive Effects Factors for Pipe Insulation and Hot Water Tank Wraps Parameter Total Energy Interactive Effects Peak Demand Interactive Effects Heat Pump Heating -13.0% -90% Single-family Homes Electrical Heating No...
AI summary Table 51 presents the 2021 EPI interactive effects factors for pipe insulation and hot water tank wraps, showing energy and peak demand reductions across different heating and cooling scenarios in single-family homes and apartments. The data highlights significant energy savings and demand reductions, with peak demand reductions reaching up to -90% in several cases.
Table 53: Evaluated 2021 EPI Gross Energy and Peak Demand Savings - Single-family Homes LED Lamps Product Category 9 W Replacing 25 W 29 W 40 W 43 W 60 W 72 W 100 W 150 W Number of Units Number of Units 359 847 7,652 670 59,700 110 5,414 6...
AI summary Table 53 evaluates the 2021 EPI gross energy and peak demand savings for single-family homes, detailing metrics such as unitary energy savings, installation rates, and gross energy savings at the meter and generator. It also includes factors like energy interactive effects and line loss for different wattage LED lamps.
14.3.2 Participant Spillover For EPI, participant spillover occurs when participants purchase and install additional energy efficient products due to the influence of having participated in the program component without receiving any addit...
AI summary Participant spillover for EPI occurs when participants install additional energy-efficient products due to program influence without additional support. The spillover level was assessed via participant surveys, with results detailed in Table 56 for the 2021 evaluation.
Table 57: 2021 EPI Net-to-gross Ratios by Product Category LED Lamps Low-flow Showerheads Other Products Non-low income Participants Low-income Participants Non-low income Participants Low-income Participants Non-low income Participants Lo...
AI summary Table 57 presents the 2021 Net-to-gross Ratios (NTGR) for the Efficient Product Installation (EPI) program by product category and participant type. The table shows that low-income participants had higher NTGR values for LED lamps and other products, while non-low-income participants had a higher proportion of gross savings. A footnote explains that 2019 owner values were used for comparison due to lack of differentiation between owners and tenants in 2021.
Table 58: Evaluated 2021 EPI Net Energy and Peak Demand Savings LED Lamps Product Category 9 W Replacing 25 W 29 W 40 W 43 W 60 W 72 W 100 W 150 W Energy Savings Gross Energy Savings – at the Meter (GWh) 0.004 0.013 0.183 0.018 2.353 0.005...
AI summary Table 58 presents the evaluated 2021 EPI (Efficient Product Installation) net energy and peak demand savings for LED lamps across various wattages. It details gross and net energy savings at the meter and generator, line loss factors, and lifetime energy savings. The table provides data on energy efficiency and demand reduction for different lighting products.
2021 EPI-Finding: Overall satisfaction with EPI is high among participants. Using a 10-point scale, participants provided an average score of 8.7 for their satisfaction with EPI. Participants were mainly satisfied with the installer (26%),...
AI summary Participants in the 2021 EPI program expressed high satisfaction, with an average score of 8.7 on a 10-point scale. They were particularly satisfied with the installer, information received, and overall service. The differences between evaluated net energy and peak demand savings by the Evaluator and EOne were minimal, with a 3% variation attributed to adjustments in NTGR values and updated installation rates.
B. Awareness and Motivations for Participating B1. How did you first learn about the Efficient Product Installation Service? [ACCEPT ONE RESPONSE] [DO NOT READ] - 1. TV ads
AI summary The text discusses how participants first learned about the Efficient Product Installation Service, with one response indicating that TV ads were the source of awareness.
C. Satisfaction C1. Using a scale from 1 to 10 where 1 is "not at all satisfied" and 10 is "completely satisfied," how satisfied are you with the Efficient Product Installation Service overall? [DO NOT ACCEPT A RANGE] 1-10 SCALE WITH END P...
AI summary This section asks participants to rate their satisfaction with the Efficient Product Installation Service on a scale from 1 to 10, with specific instructions not to provide a range.
D1. When you initially thought about participating in the Efficient Product Installation Service, what were your concerns, if any? RECORD VERBATIM: [VOLUNTEERED] 97. No concerns 98. Don't know
AI summary The respondent had no concerns when initially considering participation in the Efficient Product Installation Service, as indicated by their response of 'No concerns'.
FR - LED BULBS [ASK IF YES IN [A1A](#page-110-0)] The next questions will be about the LED bulbs that were installed through the service, excluding night lights. - E1. Had you already decided to purchase and install the LED bulbs that were...
AI summary This section of the regulatory proceeding document asks whether the respondent had already decided to purchase and install LED bulbs before learning about the Efficient Product Installation Service, excluding night lights.
[VOLUNTEERED] - 98. Don't know - 99. Refused - E2. [IF [E1=](#page-115-0)YES] Just to confirm: before you learned about the Efficient Product Installation Service, you had already made the decision to purchase and install LED bulbs in your...
AI summary This section of the document includes a question about whether respondents had already decided to purchase and install LED bulbs before learning about the Efficient Product Installation Service, with options for 'Yes' or 'No' and a 'Don't know' or 'Refused' option.
[VOLUNTEERED] - 98. Don't know - 99. Refused - E3. If Efficiency Nova Scotia had not installed these LED bulbs at no charge as part of the Efficient Product Installation Service, how likely would you have been to purchase and pay for those...
AI summary The question asks respondents to rate how likely they would have been to purchase LED bulbs at a cost of about $4 per bulb if Efficiency Nova Scotia had not installed them for free through the Efficient Product Installation Service, using a scale from 0 to 10.
[VOLUNTEERED] - 98. Don't know - 99. Refused E5. [IF [E4>](#page-116-0)=5] If there was no Efficient Product Installation Service, how likely would you have been to postpone by at least one year replacing your bulbs with LEDs? 0-10 SCALE W...
AI summary This section presents a question from a survey regarding the likelihood of postponing LED bulb replacement if the Efficient Product Installation Service was not available, using a 0-10 scale. It includes response options such as 'Don't know' and 'Refused'.
FR - LOW FLOW SHOWERHEADS [ASK IF YES IN [A1E](#page-110-0)] The next questions will be about the Low flow showerheads you had installed through the service. - E7. Had you already decided to purchase and install the low flow showerheads th...
AI summary The text asks whether the respondent had already decided to purchase and install low flow showerheads before learning about the Efficient Product Installation Service. The question is part of a survey related to the service.
[VOLUNTEERED] - 98. Don't know - 99. Refused E11. [IF [E10>](#page-118-0)=5] If there was no EFFICIENT PRODUCT INSTALLATION SERVICE , how likely would you have been to delay by at least one year replacing your showerheads? 0-10 SCALE WITH...
AI summary This section of the document presents a question related to the likelihood of delaying the replacement of showerheads if an Efficient Product Installation Service was not available, using a 0-10 scale for response.
G. Spillover - G1. [ASK ALL] Since participating in the Efficient Product Installation Service, have you installed any additional efficient products in your home? - 1. Yes - 2. No [GO TO [0]](#page-163-0)
AI summary This section asks participants if they have installed additional efficient products in their home since joining the Efficient Product Installation Service, with options to indicate a 'Yes' or 'No' response.
[VOLUNTEERED] - 98. Don't know/Don't recall [GO TO [0]](#page-163-0) - 99. Refused [GO TO [0]](#page-163-0) - G2. [IF [G1=](#page-122-2) YES] What energy-efficient products have you installed in your home since participating in the Efficie...
AI summary This section of the document contains a questionnaire for participants in the Efficient Product Installation Service, asking about the energy-efficient products they have installed and the quantities purchased. It includes options for various products and instructions for recording the number of items or feet of pipe insulation.
[VOLUNTEERED] - 98. Don't know - 99. Refused - G5. [ASK ALL] Since participating in the Efficient Product Installation Service, have you retired any old appliances in your home? - 1. Yes - 2. No
AI summary This section asks participants if they have retired any old appliances in their home since joining the Efficient Product Installation Service. It provides options for 'Yes' or 'No', with additional options for 'Don't know' or 'Refused'.
G6. What appliances have you retired since participating in the Efficient Product Installation [IF 0=1] Service? [DO NOT READ, ALLOW MULTIPLE KEEPING CODE 97 AND 98 EXCLUSIVE] Probe: Any others? - 1. Refrigerators
AI summary The text includes a question about appliances retired since participating in the Efficient Product Installation Service, with a response indicating that refrigerators have been retired.
[VOLUNTEERED] - 98. Don't know - 99. Refused G9. [ASK IFANY OF [G3A](#page-124-0)-T AND/OR ANY OF [G7A](#page-126-0)-D > 0] How influential was your experience with the Efficient Product Installation Service in your decision to install the...
AI summary The text asks respondents to rate how influential their experience with the Efficient Product Installation Service was in their decision to install additional energy-efficient products or retire appliances, using a scale from 0 to 10. It also provides options for refusal or not knowing.
H1. Do you have any recommendations to help improve the Efficient Product Installation Service? PROBE: Anything else? [DO NOT READ, RECORD VERBATIM] RECORD VERBATIM: 97. None 98. Don't know 99. Refused
AI summary The respondent was asked for recommendations to improve the Efficient Product Installation Service but provided no specific suggestions, stating 'None' as their response.
B1. How did you first learn about the Efficient Product Installation Service? First Learned About EPI Service 2021 Sample Size 100 Word-of-mouth 32% Social media (e.g., Facebook, Twitter, Instagram, Snapchat, TikTok, Youtube, etc.) 13% Thr...
AI summary The Efficient Product Installation Service was first learned about primarily through word-of-mouth (32%), followed by social media (13%) and mail (11%). Other methods included online advertisements, third-party contractors, and the Efficiency Nova Scotia website. A small percentage of respondents indicated they did not know how they first learned about the service.
- B2. What was the SINGLE most important reason you were interested in participating in the Efficient Product Installation Service? \
AI summary The question asks respondents to identify the single most important reason they were interested in participating in the Efficient Product Installation Service.
B5. Did you receive information about these energy efficient products during the visit from the installer? \ Received Information from Installer 2018 2021 Sample Size 92 91 Yes, received some information 62% 84% No, did not receive any inf...
AI summary The data shows that in 2018, 62% of respondents received some information about energy-efficient products from installers, increasing to 84% in 2021. Satisfaction with the Efficient Product Installation Service was high in 2018 (mean 9.3) but slightly lower in 2021 (mean 8.7).
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 respondents to rate their satisfaction with the Efficient Product Installation Service on a scale from 1 to 10, where 1 is 'not at all satisfied' and 10 is 'completely satisfied.'
2018 2021 Satisfaction with Aspects of EPI Sample Size Mean Sample Size Mean The time required to complete work 92 9.5 91 9.4 The quality of the work completed 100 9.5 100 9.3 Energy efficient products installed 99 8.9 99 9.0 The informati...
AI summary The table presents survey data on customer satisfaction with aspects of the Efficient Product Installation (EPI) program in 2018 and 2021, including the time required to complete work, quality of work, energy-efficient products installed, and information received about energy-efficient products.
D1. When you initially thought about participating in the Efficiency product Installation Service, what were your concerns, if any? \ Concerns About the Service 2018 2021 Sample Size 100 100 Wouldn't save money/reduce energy bill - 9% Prod...
AI summary The text presents data on concerns about the Efficiency Product Installation Service in 2018 and 2021. The majority of respondents had no concerns, but some worried about cost, product efficiency, and service quality. The data highlights a slight shift in concerns over time.
E1. Had you already decided to purchase and install the LED bulbs that were installed through the Efficient Product Installation Service before learning about this Service? Already Decided to Purchase and Install LED Bulbs Installed Throug...
AI summary The text presents survey results regarding whether respondents had already decided to purchase and install LED bulbs through the Efficient Product Installation Service before learning about it. Approximately 64% of respondents had already made this decision prior to learning about the service.
E3. If Efficiency Nova Scotia had not installed these LED bulbs at no charge as part of the Efficient Product Installation Service, how likely would you have been to purchase and pay for those LED bulbs, knowing that the cost is about $4 p...
AI summary The question asks how likely the respondent would have been to purchase LED bulbs at a cost of about $4 per bulb if Efficiency Nova Scotia had not installed them at no charge as part of the Efficient Product Installation Service, using a scale from 0 to 10.
If ENS Had Not Installed LED Bulbs at No Charge as Part of EPI, Likelihood of Purchasing LED Bulbs at $4 per Bulb 2021 Sample Size 91 Mean 7.0 Base: Respondents who had LED bulbs installed through EPI Don't know and Refused excluded from c...
AI summary The text presents survey data on customer behavior regarding LED bulb installation if the Efficient Product Installation (EPI) service was not available. Respondents indicate a moderate likelihood of purchasing and installing LED bulbs themselves or delaying replacement, suggesting the EPI service influenced their decisions.
E7. Had you already decided to purchase and install the low flow showerheads that were installed through the Efficient Product Installation Service before learning about this Service? Already Decided to Purchase and Install Low-flow Shower...
AI summary The text discusses survey responses regarding whether respondents had already decided to install low flow showerheads through the Efficient Product Installation Service before learning about it, with 18% indicating they had already decided. It also asks about the likelihood of purchasing the showerheads at a cost of $30 per unit if the service had not been available.
E10. If there was no Efficient Product Installation Service, how likely would you have been to take the initiative to purchase low flow showerheads at a store and install them yourself, or have them installed by someone else, in your home?
AI summary This question asks respondents to consider how likely they would have been to purchase and install low flow showerheads without the Efficient Product Installation Service.
If No EPI, Likelihood of Taking Initiative to Purchase and Install Low-flow Showerheads in Home 2021 Sample Size 39 Mean 3.3 Base: Respondents who had low flow showerheads installed through EPI Don't know and Refused excluded from calculat...
AI summary The text presents survey data on the likelihood of respondents purchasing and installing low-flow showerheads without the Efficient Product Installation (EPI) service. It includes sample sizes, mean responses, and context about participants who had showerheads installed through EPI.
Don't know and Refused excluded from calculations If No EPI, Likelihood of Purchasing and Installing the Same Quantity of Low-flow Showerheads Installed Through EPI 2021 Sample Size 11 Mean 3.3 Base: Respondents who had >1 low flow showerh...
AI summary The text presents survey results evaluating the influence of Efficiency Nova Scotia's EPI program on the installation of energy-efficient products, such as low-flow showerheads and LED bulbs. Respondents rated the influence of factors like free installation and advice from service staff, with high mean scores indicating strong influence.
F7. The promotion of energy efficiency carried out 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 ENS Prompted to Ask f...
AI summary The promotion of energy efficiency by Efficiency Nova Scotia (ENS) significantly influenced respondents to request the installation of energy-efficient products at no cost and consider energy bill savings when evaluating such products. A majority of participants also installed additional efficient products after participating in the Efficient Product Installation Service.
G2. What energy efficient products have you installed in your home since participating in the Efficient Product Installation Service? Any others? Energy Efficient Products Installed in Home Since Participating in EPI 2021 Sample Size 32 LE...
AI summary The text asks respondents about energy-efficient products installed in their homes since participating in the Efficient Product Installation Service. The table shows a sample size of 32, with LED bulbs being the most commonly installed product at 28%, followed by heat pumps at 19%.
G3. How many did you purchase and install? Number of Energy Efficient Products Installed 2021 Since Participating in EPI Sample Size Mean LED bulbs 9 8.9 Door weather stripping kits 4 1.8 Air source heat pump hot water heaters 2 2.0 LED fi...
AI summary The document provides data on the number of energy-efficient products installed by participants in the Efficient Product Installation Service (EPI) in 2021, including LED bulbs, door weather stripping kits, and air source heat pump hot water heaters. It also includes information on rebate receipt and appliance retirement.
G6. What appliances have you retired since participating in the Efficient Product Installation Service? Any others? Appliances Retired Since Participating in EPI 2021 Sample Size 30 Refrigerators 47% Laundry machines/Washer/Dryer 20% Dishw...
AI summary The text presents data on appliances retired by participants in the Efficient Product Installation Service (EPI) in 2021, including the types of appliances retired, the number of appliances retired, and whether participants received rebates or assistance for retiring these appliances.
G9. How influential was your experience with the Efficient Product Installation Service in your decision to install these additional energy efficient products or retire these appliances in your home? Use a scale of 0 to 10, where 0 means t...
AI summary The question asks about the influence of the Efficient Product Installation Service on a customer's decision to install additional energy-efficient products or retire appliances, using a scale from 0 to 10.
Influence of EPI Experience on Decision to Install Additional Energy Efficient Products or Retire Appliances in Home 2021 Sample Size 29 Mean 6.6 Base: Respondents who installed additional energy efficient products or retired appliances in...
AI summary The document discusses a survey of 29 respondents regarding their experiences with the Efficient Product Installation Service (EPI) and their decision to install additional energy-efficient products or retire appliances. The majority of participants (66%) had no recommendations for improving EPI, while others suggested offering more products, better information, and improved communication.
APPENDIX XII EPI: TRACKING SHEET AUDIT This appendix presents the results of the tracking sheet audit performed by the Evaluator, which was aimed at: - Verifying that all data fields required for the evaluation were included and filled out...
AI summary This appendix outlines the results of an audit of the tracking sheet used for the Efficient Product Installation Service (EPI) program. The audit aimed to verify the completeness and accuracy of data submitted by EOne, including the consistency of parameters used for calculating program results. The format of the tracking sheet changed in 2021 with the implementation of EOne's new Integrated Customer Information System.
Data Accuracy Table 1 lists all the parameters required for the EPI evaluation. The Evaluator validated whether the data contained in the tracking sheet submitted by EOne were accurate based on previous evaluation results as well as whethe...
AI summary The document discusses the validation of data accuracy for the EPI evaluation, focusing on the parameters required and the actions taken by the Evaluator to adjust data when necessary.
Table 1: Verification of 2021 EPI Data Field Completeness and Accuracy Data Fields Complete (Y/N/Partial) Consistent with Previous Evaluation If Incomplete or Inconsistent, Action Taken by the Evaluator Data for Each Proje ct or Particip a...
AI summary Table 1 verifies the completeness and accuracy of 2021 EPI data fields. It highlights incomplete entries for gross energy and peak demand savings at the meter, with some inconsistencies in heating sources and systems. The evaluator took action to calculate missing savings and identified discrepancies.
The second step of the tracking sheet audit involved recreating calculations and comparing related tracking sheet data fields to identify any potential inconsistencies. Table 2 lists the data fields of the EPI tracking sheet that were comp...
AI summary The second step of the tracking sheet audit involved recreating calculations and comparing related tracking sheet data fields to identify any potential inconsistencies. Table 2 lists the data fields of the EPI tracking sheet that were compared to ensure consistency.
Table 2: Verification of 2021 EPI Data Field Consistency Data Field 1 Data Field 2 Consistent (Y/N) If Not, Action Taken by the Evaluator Calculated Line Loss Factor (Gross Energy Savings at the Generator / Gross Energy Savings at the Mete...
AI summary Table 2 verifies the consistency of 2021 EPI data fields, identifying inconsistencies in line loss factors due to rounding differences and duplicate projects. The evaluator excluded 25 confirmed duplicate projects from the evaluation results.
Once the correct values were established (as per Table 1), the Evaluator validated that the equations in the tracking sheet correctly calculated each of the main program component results, the results of which are presented in Table 3.
AI summary The Evaluator confirmed that the equations in the tracking sheet accurately calculated the main program component results after the correct values were established, as presented in Table 3.
Table 3: Verification of 2021 EPI Savings Compilation Service Result Valid Equation? (Y/N) If Not, Action Taken by the Evaluator Gross Energy Savings at the Generator Partial Multiple rows had nil or empty gross energy and/or peak demand s...
AI summary Table 3 verifies the 2021 EPI savings compilation, highlighting inconsistencies in the calculation of gross energy and peak demand savings at the generator. Issues included missing values, incorrect COP application, and discrepancies between EOne's calculations and the 2020 DSM MA document. The Evaluator recalculated savings using corrected data and line loss factors.
Table 4: 2021 EPI Corrected Tracked Savings Program Component Result Value Tracked by EOne Corrected Tracked Value Relative Difference Value Unit Value Unit Value EPI Gross Energy Savings at the Generator 7.833 GWh 8.347 GWh 6.6% Gross Pea...
AI summary Table 4 shows corrected tracked savings for the 2021 EPI program, with increases in energy and peak demand savings compared to initial tracked values. The differences are attributed to missing data entries where EOne did not track savings, but the Evaluator calculated them.
Sampling Methodology For the 2021 EPI evaluation, the Evaluator visited 63 EPI participants based on the July 2021 tracking sheet. To improve the chances that all products could be observed in a large enough number of houses and that relia...
AI summary The 2021 EPI evaluation involved visiting 63 participants with at least five different products installed to ensure a representative sample and reliable installation rates. The sample aimed to reflect the population within ±10% of the proportion of participants served by delivery agents and included a diverse mix of product installations.
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 N...
AI summary The document contains a table for collecting general information and product installation details during a home visit, including fields for contact information, dwelling type, heating systems, and AC usage. It is part of a process for assessing energy efficiency measures.
DHW Heat Type: Product Quantity in Tracking Sheet Quantity On Site Explanation, If Different Indoors or Outdoors 9 W LED 9.5 W LED 18 W LED 7 W PAR20 LED 8 W PAR30 LED 15 W PAR38 LED 7 W GU10 LED 7 W G25 LED 5 W E12 LED Chandelier LED Nigh...
AI summary The text presents a table listing various LED lighting products with columns for quantity tracking, on-site quantity, explanation, and location (indoor or outdoor). The table is empty, suggesting it may be used for inventory or tracking purposes related to energy efficiency programs.
= ECONOLER Switch and Plug Insulator Notes: Domestic Hot Water (DHW) Related Products Total number of faucets in the house: Total number of showerheads in the house: Product Quantity in Tracking Sheet Quantity On Site Explanation, If Diffe...
AI summary The document contains a table with information related to energy efficiency measures, including hot water tank wraps, pipe insulation, faucet aerators, low-flow showerheads, thermostatic shower valves, air sealing kits, door sweeps, and window air sealing. It includes fields for quantities in a tracking sheet, quantities on site, explanations, and installation details.
APPENDIX XVI EPI: 2021 RECOMMENDATIONS The Evaluator has no specific recommendation for EPI. This appendix summarizes the past evaluation recommendations that were not fully implemented or deferred at the time of the 2021 evaluation. Secti...
AI summary The Evaluator has no specific recommendation for EPI. This appendix summarizes past evaluation recommendations that were not fully implemented or deferred at the time of the 2021 evaluation, including a 2019 recommendation to evaluate the market for EPI to quantify residual potential for direct installations.
Table 2: Verification of 2021 MHEEP Data Field Consistency Data Field 1 Data Field 2 Consistent (Y/N) If Not, Action Taken by the Evaluator Calculated Line Loss Factor (Gross Energy Savings at the Generator / Gross Energy Savings at the Me...
AI summary The text presents Table 2, which verifies the consistency of 2021 MHEEP data fields, including the calculated line loss factor and verification of duplicate IDs or projects. It also mentions equations and compilation, though no details are provided.
Table 98: EPI Smart Power Controller for Audiovisual Equipment Installation Rate 101 Table 99: Power Bars with Integrated Timer Measure Summary 102 Table 100: Electrical Unitary Savings Value for Power Bars with Integrated Timers 103 Table...
AI summary The document contains a series of tables detailing energy efficiency measures, including savings values for various lighting, heating, and water heating technologies. These tables are part of an analysis of energy efficiency programs and their impact on energy consumption and savings.
Table 3: Included Measures Program Components Residential Lighting EPI LED Lamps Instant Savings LED Fixtures Instant Savings Dimmer Switches Instant Savings Motion Sensors Instant Savings LED Nightlights EPI Water Heating HEA Drain Water...
AI summary Table 3 lists various program components and measures included in energy efficiency initiatives, such as lighting, water heating, space heating, and appliances. These components are associated with different programs like EPI, HEA, and MHEEP, and include items like LED lamps, heat pump water heaters, and appliance replacements.
Combining the values presented in Table 4 and Table 5, Table 6 summarizes the interactive effects factor established for each lighting measure. & lt;sup>10 Including 9 W, 9.5 W, 10 W, 18 W, and 7 W black-out bulb LED lamps installed throug...
AI summary Table 6 summarizes the interactive effects factor for various lighting measures, combining data from Table 4 and Table 5. Specific examples include LED lamps installed through EPI and ENERGY STAR certified lamps rebated through Instant Savings, with references to studies conducted by Corporate Research Associates Inc.
Displaced Wattage For 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 sheet. Previous evaluations confirme...
AI summary The document explains the concept of displaced wattage in the context of the Efficient Product Installation (EPI) program and the Instant Savings program. It outlines how wattage differences between old and new lamps are calculated and how baselines are established for different replacement scenarios, including early replacement and replace-on-burn-out, with reference to the Uniform Methods Project (UMP).
Hours of Operation The daily hours of operation value is based on the Northeast Residential Lighting Hours-of-use (NERHOU) 20 study, which found that the average runtime is 2.7 hours/day for all types of bulbs and 2.9 hours per day for eff...
AI summary The document discusses the determination of hours of operation (HOU) for lighting in Nova Scotia, using data from the NERHOU study and a metering study. It considers the impact of efficient bulbs and addresses theories like differential socket selection, shifting usage, and the snapback effect on HOU. The HOU for Instant Savings and EPI programs are adjusted based on these considerations.
Installation Rates [Table](#page-167-1) 11 lists the installation rate for EPI LED Lamps.
AI summary The text references a table that lists the installation rate for EPI LED Lamps, indicating a focus on the deployment of energy-efficient lighting products.
Table 11: EPI LED Lamp Installation Rate Installation Rate Margin of Error Source 94% 2.1% 2021 EPI evaluation (on-site visits) For upstream programs like Instant Savings, the UMP makes the following recommendation:
AI summary Table 11 presents the EPI LED lamp installation rate at 94% with a margin of error of 2.1%, based on the 2021 EPI evaluation. The UMP provides a recommendation for upstream programs like Instant Savings.
Table 32: Electrical Unitary Energy Savings Values for Low-flow Showerheads Value fo or EPI Value for Parameter Symbol Single-family Homes Apartments Instant Savings Source Baseline Flow Rate [gpm] Q base Variable (2.0 gpm, 2.25 gpm, or 2....
AI summary Table 32 presents electrical unitary energy savings values for low-flow showerheads, detailing parameters like baseline and low-flow rates, number of people per household, average shower time, and other relevant factors. The data sources include EPI tracking sheets, Instant Savings evaluations, and statistical references.
Table 33 lists the installation rate for EPI low-flow showerheads.
AI summary Table 33 provides the installation rate for EPI low-flow showerheads, which is a part of energy efficiency programs aimed at reducing water usage and promoting energy conservation.
Table 33: EPI Low-flow Showerhead Installation Rate Installation Rate Margin of Error Source 96% 5.1% 2021 EPI Evaluation (on-site visits) For Instant Savings, the installation rate is assumed to be 100%.
AI summary Table 33 presents the EPI Low-flow Showerhead Installation Rate, reporting a 96% installation rate with a 5.1% margin of error based on the 2021 EPI Evaluation. The installation rate for Instant Savings is assumed to be 100%.
Table 38 below lists the parameters and corresponding values applied to the two equations above and the resulting unitary savings values for thermostatic shower valves. Table 38: Electrical Unitary Energy Savings Values for Thermostatic Sh...
AI summary Table 38 provides parameters and values used to calculate electrical unitary energy savings for thermostatic shower valves, including flow rates, number of showerheads, and behavioral factors influencing water usage.
[Table](#page-195-1) 39 lists the installation rate for thermostatic shower valves.
AI summary The document references a table that lists the installation rate for thermostatic shower valves, which may be relevant to efficiency programs or customer-related initiatives.
Table 39: Thermostatic Shower Valve Installation Rate Installation Rate Margin of Error Source 88% 13.2% 2021 EPI Evaluation (on-site visits) (7) Pipe Insulation
AI summary Table 39 presents the installation rate of thermostatic shower valves at 88% with a margin of error of 13.2%, sourced from the 2021 EPI Evaluation. The section also references pipe insulation as a topic for further discussion.
Table 41: Unitary Savings Value for Pipe Insulation Parameter EPI Unitary Energy Savings (per ft) [kWh/year] 12.7 Installation Rates
AI summary Table 41 presents the unitary energy savings value for pipe insulation, showing 12.7 kWh/year per foot. The table also includes a section on installation rates, though specific data is not provided in the excerpt.
Table 42 lists the installation rate for EPI pipe insulation.
AI summary Table 42 provides the installation rate for EPI pipe insulation, which is part of the Efficient Product Installation program.
[Table](#page-0-0) 45 lists the installation rate for EPI hot water tank wraps.
AI summary Table 45 provides the installation rate for EPI hot water tank wraps, which is part of the energy efficiency programs in Nova Scotia.
Table 45: EPI Hot Water Tank Wrap Installation Rate Installation Rate Margin of Error Source 100% 0% 2021 EPI Evaluation (on-site visits) 2.3 Space Heating
AI summary Table 45 presents the EPI Hot Water Tank Wrap Installation Rate at 100% with no margin of error, sourced from the 2021 EPI Evaluation. The section '2.3 Space Heating' introduces the topic of space heating, likely discussing related programs or policies.
[Table](#page-21-1) 64 lists the installation rate for EPI air sealing kits.
AI summary Table 64 outlines the installation rate for EPI air sealing kits, providing data relevant to energy efficiency programs.
Table 64: EPI Air Sealing Kit Installation Rate Measure Description Installation Rate Margin of Error Source Foam Gasket 31% N/A 2021 EPI Evaluation (on-site visits) Door Sweep 100% 0% 2021 EPI Evaluation (on-site visits) Window Air Sealin...
AI summary Table 64 presents the installation rates for various EPI air sealing kits, including foam gaskets, door sweeps, window air sealing, and door weather stripping, based on the 2021 EPI Evaluation. The data shows varying levels of installation rates with some measures having a margin of error.
For EPI, [Table](#page-29-1) 74 lists the installation rate for clotheslines and outdoor drying racks.
AI summary The document mentions that Table 74 on page 29-1 lists the installation rate for clotheslines and outdoor drying racks under the Efficient Product Installation (EPI) program.
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 outlines the classification and energy savings associated with Tier 1 and Tier 2 smart power bars under the Efficient Product Installation (EPI) and Instant Savings programs. It references studies and technical manuals to support the defined unitary savings values for these devices.
Table 97: Electrical Unitary Savings Values for Smart Power Controller Audiovisual Equipment Parameter EPI Instant Savings Source Unitary Energy Savings [kWh/year] 207 53.8 EPI: NMR Group, 2019139 Instant Savings: Pennsylvania TRM140 Insta...
AI summary Table 97 provides electrical unitary savings values for Smart Power Controller Audiovisual Equipment, including Unitary Energy Savings and sources from EPI and Pennsylvania TRM. The section also mentions 'Installation Rates' but does not elaborate further.
For EPI, [Table](#page-51-1) 98 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 98: EPI Smart Power Controller for Audiovisual Equipment Installation Rate Installation Rate Margin of Error Source 57% 10.6% 2017 EPI on-site visits141 For Instant Savings, the installation rate is assumed to be 100%.
AI summary Table 98 presents the installation rate for EPI Smart Power Controllers for audiovisual equipment, reporting a 57% rate with a 10.6% margin of error based on 2017 EPI on-site visits. The installation rate for Instant Savings is assumed to be 100%.
Table 102: Electrical Unitary Savings Values of Heavy-duty Outdoor Timers Parameter Value Source Unitary Energy Savings [kWh/year] 122 OPA, 2012144 Installation Rates
AI summary Table 102 presents the electrical unitary savings values of heavy-duty outdoor timers, with a unitary energy savings value of 122 kWh/year, sourced from OPA in 2012144. The text also mentions installation rates, indicating a focus on energy efficiency and product installation.
Table 108: Domestic Water Heater Load Control Measure Summary Parameter EPI Reference Measure Description and Identification Measure Description Direct load control for domestic water heaters N/A Additional Notes - General Parameters Insta...
AI summary Table 108 summarizes the Domestic Water Heater Load Control Measure, focusing on parameters such as installation rate, effective useful life, and peak demand savings. The table outlines details related to energy and demand savings, including a unitary peak demand savings of 545 W and zero interactive effects factors for both energy and peak demand savings.
Table 148: EPI Low-flow Showerhead Installation Rate Installation Rate Source 100% Assumption (2) Faucet Aerators
AI summary Table 148 presents the EPI Low-flow Showerhead Installation Rate as 100%, based on an assumption. The document also mentions Faucet Aerators in section (2), though no details are provided.
Table 163: EUL Values for BNI LED Lamps and Fixtures 1 9 W Replacing 40 W 1 2.7 9 W Replacing 43 W CDEC 05.000 0.000 0.0 4.0 9 W Replacing 60 W SBES 25,000 3,600 6.9 3.0 9 W Replacing 72 W 4.7 9 W Replacing 100 W 3.5 9 W Replacing 150 W 3....
AI summary Table 163 presents Equivalent Uniform Load (EUL) values for BNI LED lamps and fixtures, including details such as average rated lifetime, annual hours of use, and equipment life for various replacements. The table highlights different programs and components, such as SBES and BER, associated with these energy-efficient products.
LED A19 Lamps LED A19 lamps installed under EPI replace incandescent lamps. The calculation is based on 9 W lamps because they are the most common A19 type installed through EPI and the first baseline increase occurs one year following the...
AI summary The document discusses the replacement of incandescent lamps with LED A19 lamps under the Efficient Product Installation (EPI) program. It explains that the baseline calculation for energy use is based on 9 W lamps and accounts for a regulatory change in 2024, which shifts the baseline to CFL equivalent lamps over the remaining 22-year lifespan of the LED lamps.
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 EPI. The equivalent EUL calculation is based on the typical case of...
AI summary The text discusses the methodology for calculating the equivalent Energy Use Label (EUL) for non-recessed LED downlight fixtures, comparing them to halogen incandescent and CFL lamps, with a baseline adjustment due to regulatory changes in 2024. The calculation considers the rated life of LED lamps and the impact of the 2024 regulation change.