Topic:"Energy Efficiency" in M12249

1. INTRODUCTION Over the last two and a half years, EfficiencyOne (E1) has been successful in implementing its 2023-2025 Demand-Side Management ("DSM") Plan. The important work entrusted to E1 pursuant to the DSM Plan has achieved measurab...

AI summary EfficiencyOne (E1) has successfully implemented its 2023-2025 Demand-Side Management (DSM) Plan, achieving significant energy and demand savings. E1 seeks Energy Board approval for a 2026 DSM extension and amendments to the DSM Purchase Agreement, aligning with new legislative changes and the Energy Board's expanded mandate focused on sustainability and emissions reduction.

1.6 PROGRAM CONTINUITY - Consistent with the concept of an extension to the existing Board approved DSM Plan, there are no new - programs contemplated under the 2026 DSM Extension. The three residential energy efficiency programs - categor...

AI summary The 2026 DSM Extension continues existing programs without new initiatives, maintaining residential and BNI energy efficiency categories, retiring some components like New Home Construction, and retaining demand response programs. E1 monitors and adjusts programs as needed.

2.1 DEVELOPMENTS IN LAW AND POLICY - Nova Scotia's electricity sector is in an era of significant change. Driven by ambitious federal and provincial - environmental goals, NS Power is phasing out its coal fleet by 2030, with a target to ac...

AI summary Nova Scotia's electricity sector is undergoing significant changes, driven by environmental goals. The province created the Clean Electricity Solutions Task Force, which recommended the creation of an independent energy system operator and a standalone energy regulator. These recommendations were implemented through the Energy Reform (2024) Act, which amended several existing statutes, including the Public Utilities Act.

- following factors in relation to regulatory decision-making function: 1 2 3 4 5 6 (2) In approving or fixing rates, tolls, charges, tariffs, capital applications and all other matters over which the Energy Board has authority, the Board...

AI summary The document outlines factors the Energy Board must consider when approving rates and other matters, including competitive procurement practices, support for energy efficiency and climate goals, and transitioning to an independent system operator. Definitions of sustainable development and prosperity are aligned with provincial legislation.

8 3.3 MODEL INPUTS AND ASSUMPTIONS - 9 In collaboration with its consultant Guidehouse, E1 developed a set of inputs to use in the modelling - 10 process for the 2026 DSM Extension for both the Energy Efficiency Model and the Demand Respon...

AI summary E1, in collaboration with Guidehouse, developed model inputs for the 2026 DSM Extension, including line losses, avoided costs, discount rates, annual energy savings, peak demand savings, incremental costs, and incentives for both the Energy Efficiency and Demand Response Models.

22 Table 3: Program Modifications and Retirements in the 2026 DSM Extension Program Program Component Changes and Enhancements in the 2026 DSM Extension as compared to the 2023-2025 Plan Continued/Modified/ Retired Residential Energy Effic...

AI summary The 2026 DSM Extension includes the retirement of the Appliance Retirement program, which was ended on January 8, 2025. This decision was influenced by rising delivery costs, declining savings from retiring newer and more efficient units, and a lack of service providers in Canada.

- 3 In the demand-side management sector, it is typical for the simpler and lower cost energy efficiency - 4 opportunities to be undertaken first. These opportunities often require less investment, and are easier to - 5 implement, which ma...

AI summary The text discusses the progression of demand-side management (DSM) programs, emphasizing that simpler, lower-cost energy efficiency measures are typically implemented first. As these measures are exhausted, more complex and expensive projects become a larger part of the DSM portfolio, leading to higher unit costs. This progression explains the multi-year planning approach and cumulative performance targets in DSM plans, such as the 2023-2025 DSM Plan, which showed overachievement in certain components.

l results from years 2023 and 2024 demonstrate overachievement. Of particular note were the overachievement levels under E1's residential Home Energy Assessment and Instant Savings program components. E1 has closely reviewed the actual res...

AI summary E1's 2023 and 2024 results show overachievement in residential programs like Home Energy Assessment and Instant Savings. However, 2025 and 2026 are expected to see lower energy savings due to factors such as the exhaustion of the Canada Greener Homes grant and reduced demand response adoption.

8 Table 4: Program Component Comparison of 2025 Forecast and 2026 DSM Extension Year Program Component Comparison of 2025 Forecast and 2026 DSM Extension Year Instant Savings • Further reduction in energy savings and increase in unit cost...

AI summary The document compares energy savings and costs for various program components between the 2025 forecast and the 2026 DSM extension year. Key factors include the removal of LED lighting, changes in provincial rebates, budget constraints, and program restructuring.

4 5 • diminishing returns: the most cost-effective and easiest measures are typically implemented first, 6 such as upgrading lighting. As these opportunities are completed, the remaining measures tend to 7 be more complex and expensive; 8...

AI summary The text discusses the increasing unit cost of energy efficiency programs from 2023 to 2026, driven by diminishing returns, increased complexity, and market maturity. The 2026 unit cost is $0.49/kWh, with a shift in program mix between residential and BNI sectors impacting savings and costs.

1. INTRODUCTION On March 26, 2025, the Nova Scotia government passed legislation to extend EfficiencyOne's (E1) current approved 2023-2025 DSM Plan by an additional year with a prescribed investment level of $63,750,000 for the 2026 one-ye...

AI summary The Nova Scotia government passed legislation extending E1's 2023-2025 DSM Plan by one year to 2026 with a prescribed investment of $63.75 million. The extension includes targets for energy savings, demand savings, and demand response capacity, and requires E1 to submit these targets for approval. The 2026 DSM Extension passes the Total Resource Cost test for cost effectiveness.

2.2 2023-2025 DSM RESOURCE PLAN - E1 developed the 2023-2025 Plan based on a full resource modelling approach with a comprehensive - stakeholder engagement process. On November 8, 2022, the Nova Scotia Utility and Review Board - (NSUARB) a...

AI summary E1's 2023-2025 DSM Resource Plan, approved by NSUARB with $173M investment, includes performance targets and programs. The plan covers energy efficiency and demand response initiatives, with progress made in 2023-2024.

le capacity results from the 2024/25 peak period season will not be available until mid-2025, therefore the 2025 forecast reflects E1's projected 2024/25 peak period season available capacity results. In 2025, the total DSM investment is f...

AI summary The 2025 forecast for DSM investment is slightly lower than in 2024 due to market maturity and shifting opportunities. Economic and geopolitical factors, including U.S. tariffs, may impact program delivery and participation. E1 plans to adjust its DSM portfolio to focus on more complex markets and projects in 2026.

20 Table 2: Key Global Model Input & Assumptions in 2026 DSM Extension Development Item Description of Key Global Model Inputs & Assumptions EE DR • Avoided cost of carbon are embedded in the avoided costs of energy that NS Power calculate...

AI summary The document outlines key input assumptions for the 2026 DSM Extension Development, including avoided costs of carbon, line loss factors, and incentive development for energy efficiency and demand response programs. It references the Evergreen IRP, NS Power's 2014 Cost of Service Study, and E1's Incentive Setting Methodology.

7 Table 3: 2023-2026 DSM Extension Portfolio Level Insights Insights 2023-2025 Plan as Approved 2026 DSM Extension 2023-2026 Carbon Emissions Avoided First-Year CO₂e Savings (kt) 326 26 352 Lifetime CO₂e Savings (kt) 1,742 134 1,877 Portfo...

AI summary Table 3 provides insights into the 2023-2026 DSM Extension Portfolio, including carbon emissions avoided, energy and demand savings, investment breakdowns, and cost and benefit analyses. It highlights the split of investments between residential and BNI programs and the net benefits of energy efficiency and demand response initiatives.

3.1 PORTFOLIO SAVINGS & INVESTMENT 8 In 2026, E1 will invest $63.75 million (in nominal dollars) to achieve 116.0 GWh of incremental annual net energy savings, 18.9 MW of incremental annual net peak demand savings for energy efficiency, an...

AI summary In 2026, E1 plans to invest $63.75 million to achieve energy savings, peak demand savings, and available capacity through energy efficiency and demand response initiatives. The investment aligns with the 2026 DSM Extension and the approved 2023-2025 Plan.

Table 4: 2026 DSM Extension Portfolio Savings & Investment Year Investment a ($ million) Lifetime Benefits b ($ million) First- Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak EE Demand Savings (MW) Available Capacity (MW) Low...

AI summary Table 4 outlines the 2026 DSM Extension Portfolio Savings & Investment, showing investment amounts, energy savings, and other metrics for various years, including 2023-2025 and 2026. It includes metrics such as lifetime benefits, energy savings, and the Total Resource Cost Test (TRC).

3.4 PROGRAMS SAVINGS, INVESTMENT & PARTICIPATION - Programs for the 2026 DSM Extension remain largely the same as the approved 2023-2025 Plan, with - some changes and enhancements noted below[. Table 5](#page-56-0) provides investment budg...

AI summary The 2026 DSM Extension programs largely mirror the approved 2023-2025 Plan with some updates. Table 5 details investment budgets and savings targets by program component, focusing on demand-side management and efficiency initiatives.

5 Table 6: Program Changes and Enhancements in the 2026 DSM Extension Program Program Component Changes and Enhancements in the 2026 DSM Extension as compared to the 2023-2025 Plan Residential Energy Efficiency Appliance Retirement • E1 en...

AI summary The 2026 DSM Extension introduces changes to residential energy efficiency programs, including the discontinuation of the Appliance Retirement program, a shift to year-round rebates for efficient products, and the alignment of affordable housing programs with new appliance retirement policies.

1 Table 7: 2026 DSM Extension Cost Effectiveness Results Programs Total Resource Cost (TRC) Test a 2026 Program Administrator Cost (PAC) Test b 2026 Residential Energy Efficiency (EE) Programs Efficient Product Rebates 1.0 2.0 Instant Savi...

AI summary Table 7 presents the 2026 cost effectiveness results for the DSM extension, including both the Total Resource Cost (TRC) and Program Administrator Cost (PAC) tests for various energy efficiency and demand response programs in Nova Scotia. The results vary across residential, business, and institutional programs.

Table 8: 2026 DSM Extension Rate Class Expenditures Rate Class 2026 ($ million) Residential/Charitable (2,3,4) 33.9 Small General (10) 3.1 General Demand (11) 17.0 Large General (12) 1.6 Small Industrial (21) 1.4 Medium Industrial (22) 2.4...

AI summary Table 8 outlines the 2026 DSM Extension Rate Class Expenditures, showing the distribution of costs across various rate classes, including investments in Energy Efficiency (EE) and Demand Response (DR) programs, as well as Enabling Strategies.

4. 2026 DSM PROGRAMS - The 2026 DSM Extension establishes the programs and components for delivery of the 2026 portfolio. The - 2026 portfolio consists of Residential and BNI energy efficiency programs, and a demand response - program.

AI summary The 2026 DSM Extension outlines programs for the 2026 portfolio, including Residential and BNI energy efficiency initiatives, and a demand response program. These components aim to deliver the DSM program's objectives through targeted efficiency and demand management strategies.

5. ENERGY EFFICIENCY The 2026 DSM Extension continues to deliver cost-effective energy savings benefits for Nova Scotia's residential and BNI customers. In the program sections that follow, E1 has highlighted changes, modifications or enha...

AI summary The 2026 DSM Extension continues to deliver cost-effective energy savings for residential and BNI customers, with E1 highlighting changes compared to the 2023-2025 Plan.

RESID EN TIAL ENERGY EFFICIEN CY PROGRAM S

AI summary The document outlines residential energy efficiency programs under Nova Scotia's regulatory framework, involving entities like NSUARB and NSP. It references DSM, DCRR, and related acronyms for cost recovery and benefit analysis, with legislative context from the PUA.

5.1 RESIDENTIAL EFFICIENT PRODUCT REBATES The Residential Efficient Product Rebates program offers residential customers financial incentives for consumer products through retail channels. In the 2023-2025 DSM Plan, the program included tw...

AI summary The Residential Efficient Product Rebates program, part of the DSM Plan, initially had two components: Instant Savings and Appliance Retirement. E1 terminated Appliance Retirement in 2025 due to rising costs and declining savings, leaving only Instant Savings in the 2026 DSM Extension.

5 5.1.1 IN STANT SAVIN GS - 6 Instant Savings offers year-round, point-of-sale rebates to retail customers who purchase eligible energy - 7 efficient products. [Table 9](#page-65-1) provides a summary of the Instant Savings program compone...

AI summary The Instant Savings program provides year-round, point-of-sale rebates to retail customers purchasing eligible energy-efficient products. Table 9 summarizes the program's component for the 2026 DSM Extension.

10 Table 9: 2026 Summary of the Instant Savings Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (products) 2026 Total 2.5 4.8 0.5 33,682 Program Component Changes • an LED baseline in 2025...

AI summary The 2026 Instant Savings Program Component under the DSM Extension offers year-round rebates on qualifying energy-efficient products, including ENERGY STAR® certified appliances and smart thermostats. The program transitioned from seasonal campaigns in 2025, with changes in eligible products such as the removal of certain LED bulbs and the inclusion of motion sensor fixtures.

4 5.2 EXISTING RESIDENTIAL - 5 The Existing Residential program provides residential customers with access to information, technical - 6 support, and financial assistance to identify, assess and implement energy efficiency behaviours and -...

AI summary The Existing Residential program, part of the 2023-2025 Plan, will transition from seven to six components by 2026, removing Green Heat due to declining participation. The 2026 DSM Extension includes six components, such as Home Energy Assessments and Mi'kmaw initiatives, while E1 cites reduced savings as the reason for ending Green Heat.

17 5.2.2 AFFORD ABLE SIN GLE -FAM ILY HOM ES - 18 Affordable Single-Family Homes, marketed as HomeWarming, provides a fully project managed, whole- - home retrofit service at no-cost to income-qualified Nova Scotians.[30](#page-67-3) 19 Up...

AI summary The Affordable Single-Family Homes program, known as HomeWarming, offers no-cost whole-home retrofits for income-qualified Nova Scotians. It includes energy assessments, building upgrades, heating improvements, and ventilation. Funding comes from provincial, federal, and DSM sources depending on the type of home.

5 Table 11: 2026 Summary of Affordable Single-Family Homes Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (homes) 2026 Total 7.7 2.7 1.4 800 • • DSM Extension as outlined in the approved...

AI summary Table 11 outlines the 2026 Affordable Single-Family Homes Program Component, including a budget of $7.7M, energy savings of 2.7 GWh, and 800 participating homes. Key changes include the removal of appliance replacement offerings, enhancements in service delivery, and the use of automated customer journey emails to improve satisfaction.

10 5.2.3 EFFICIENT PROD UCT IN STALLATION Efficient Product Installation conducts energy efficient upgrades for homeowners and renters, at no-cost. During a home visit, qualified installers provide free installation of energy efficient pro...

AI summary Efficient Product Installation offers free energy upgrades, including smart devices and efficiency measures, to homeowners and renters. Customers are auto-enrolled in Eco Shift (E1's Demand Response program), enhancing capacity and promoting energy savings through direct engagement and education during home visits.

4 Table 12: 2026 Summary of Efficient Product Installation Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (products) 2026 Total 5.3 10.5 0.6 49,338

AI summary Table 12 summarizes the 2026 Efficient Product Installation Program Component, showing a total investment of $5.3 million, energy savings of 10.5 GWh, demand savings of 0.6 MW, and participation of 49,338 products.

4 5.2.4 HOM E ENERGY ASSESSM EN T Home Energy Assessment helps homeowners make informed choices about energy efficient and deep savings upgrades to their homes. Home energy assessments performed by Natural Resources Canada (NRCan) register...

AI summary The Home Energy Assessment program assists homeowners in identifying energy-efficient upgrades through assessments conducted by registered Energy Advisors. The program includes rebates to help overcome financial barriers to implementing retrofits, as outlined in Table 13 for the 2026 DSM Extension.

16 Table 13: 2026 Summary of Home Energy Assessment Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (homes) 2026 Total 5.0 3.8 1.7 1,900 Program Component Changes • • upgrade recommendatio...

AI summary The 2026 Home Energy Assessment Program Component includes a total investment of $5M, aiming for 3.8 GWh of energy savings and 1.7 MW of demand savings across 1,900 homes. The program will streamline its approach, end the Green Heat component, and include remote assessments and omnichannel marketing.

1 5.2.5 M I'KM AW HOME ENERGY EFFICIEN CY PROJECT Mi'kmaw Home Energy Efficiency Project is a whole-home retrofit service offered to customers at no-cost, available to band-owned homes and privately-owned homes in Mi'kmaw communities. It p...

AI summary The Mi'kmaw Home Energy Efficiency Project offers no-cost whole-home retrofits to Mi'kmaw communities, including energy assessments and improvements to building envelopes and heating systems. The program aims to improve energy efficiency and comfort while prioritizing local employment.

11 Table 14: 2026 Summary of Mi'kmaw Home Energy Efficiency Project Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (homes) 2026 Total 1.1 0.4 0.2 180 Program Component Changes • • • impac...

AI summary The Mi'kmaw Home Energy Efficiency Project is being extended in 2026 with a total investment of $1.1 million, aiming to achieve 0.4 GWh in energy savings and 0.2 MW in demand savings across 180 homes. Appliance replacements are no longer offered, aligning with the Appliance Retirement program changes. Eligibility has been expanded to include Mi'kmaw homeowners in 2024, and marketing efforts include educational materials and community engagement.

10 BN I EN ERGY EFFICIEN CY PROGRAM S

AI summary The document discusses Nova Scotia's Energy Efficiency Programs under the NSUARB's regulatory proceeding. It references DSM, DCRR, and related initiatives, involving NSP, IESO, and NRCan. Key themes include program evaluation, cost recovery, and regulatory oversight.

11 5.3 EFFICIENT PRODUCT REBATES - 12 The Efficient Product Rebates program provides BNI customers with financial incentives, in the form of - 13 prescriptive rebates or financing for the installation of energy efficient and system-peak de...

AI summary The Efficient Product Rebates program offers BNI customers financial incentives for installing energy-efficient and demand-reducing equipment. It targets non-profit, commercial, industrial, and institutional customers, with a focus on predictable savings. The program includes a single component: Business Energy Rebates.

15 5.4 CUSTOM INCENTIVES - 16 The Custom Incentives program provides financial incentives and technical assistance to help non-profit, 17 institutional, commercial, and industrial customers reduce their electrical energy consumption and 18...

AI summary The Custom Incentives program offers tailored financial and technical support to non-profit, institutional, commercial, and industrial customers to reduce energy consumption and peak demand. It includes two components: Custom and Strategic Energy Management (SEM), with E1 collaborating directly on projects not covered by other programs.

1 5.4.1 CUSTOM 6 8 11 - 2 Custom provides large business, non-profit and institutional participants with technical assistance and - 3 financial incentives to help reduce electricity consumption and demand and includes four services: - 4 Re...

AI summary The Custom program, part of Nova Scotia Power's Demand-Side Management (DSM) initiative, offers technical assistance and financial incentives to large businesses, non-profits, and institutions to reduce electricity consumption. It includes four services: Retrofit, Building Optimization, Pay-for-Performance, and New Construction. Table 17 summarizes the program's components for the 2026 DSM Extension.

7 Table 17: 2026 Summary of Custom Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (projects) 2026 Total 9.8 34.0 7.0 172 Program Component Changes • approved 2023-2025 Plan. • Efficiency...

AI summary Table 17 outlines the 2026 DSM Extension with $9.8M investment, 34GWh energy savings, 7MW demand savings, and 172 participating projects. The 2023-2025 Plan was approved, and the 2026 strategy includes targeted marketing, AMI data use, and engagement with professionals. Attachment 3 provides detailed measure-level data.

12 5.4.2 STRATEGIC EN ERGY M AN AGEM EN T Strategic Energy Management focuses on operational and procedural changes companies can make to reduce their energy usage. The goal of Strategic Energy Management is to help develop an energy manag...

AI summary Strategic Energy Management aims to reduce energy usage through operational and procedural changes, focusing on long-term energy performance and continuous savings. Participants collaborate with service providers to identify opportunities and implement a 12-month action plan. Table 18 summarizes the program component for the 2026 DSM Extension.

1 Table 18: 2026 Summary of Strategic Energy Management Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (participants) 2026 Total 0.9 4.0 0.4 11 Program Component Changes • • tool to Strat...

AI summary Table 18 outlines the 2026 Summary of Strategic Energy Management Program Component, including investment, energy savings, demand savings, and participation numbers. The program will follow the same approach as the approved 2023-2025 Plan and includes marketing strategies such as business development engagement and industry events.

6 5.5 DIRECT INSTALLATION - 7 Direct Installation provides small businesses with access to financial incentives and technical assistance - 8 for the installation of energy efficient equipment upgrades in their facilities. The program consi...

AI summary The Direct Installation program offers small businesses financial incentives and technical assistance for energy-efficient equipment upgrades through the Small Business Energy Solutions component, aiming to promote energy efficiency in Nova Scotia.

11 5.5.1 SM ALL BUSIN ESS ENERGY SOLUTION S - 12 Small Business Energy Solutions provides small business customers with access to technical assistance and - 13 financial incentives for the installation of energy efficient equipment. A smal...

AI summary The Small Business Energy Solutions program offers technical assistance and financial incentives for energy-efficient equipment installation, including a pilot for free installation of select products. Table 19 summarizes the program's 2026 DSM Extension components.

1 Table 19: 2026 Small Business Energy Solutions Program Component Extension Investment ($M) Energy Savings (GWh) Demand Savings (MW) Participation (products) 2026 Total 5.8 6.1 1.5 42,096 Program Component Changes • • • o o • Extension as...

AI summary Table 19 outlines the 2026 Small Business Energy Solutions Program, including a total investment of $5.8M, energy savings of 6.1 GWh, and 42,096 participating products. The program includes enhancements such as extending the preapproval window, increasing eligibility caps, and improving marketing strategies.

Program Component Changes • • o enrolled devices. o o o • Extension as outlined in the approved 2023-2025 Plan. participate in DR events. incentive payment for participating. to participate in DR events. Residential Demand Response will fo...

AI summary The 2026 Residential Demand Response Program Component outlines changes and extensions based on the approved 2023-2025 Plan. It includes DR pathways such as Direct Load Control (DLC) smart thermostats, DLC water heaters, and DLC Electric Vehicle Managed Charging. Customers receive annual payments for participation, and direct installation options are available with upfront incentives.

7 Table 21: 2026 Summary of the BNI Demand Response Program Component Extension Investment ($M) New Capacity (MW)a Available Capacity (MW) Participation (participants) Program Component Changes • • o o o o o o o outlined in the approved 20...

AI summary The BNI Demand Response Program Component for 2026 includes various pathways such as load reduction during DR events, battery discharging, and participation in the Eco Shift pilot. The program will follow a similar approach to BNI Curtailment, with annual payments based on performance, and includes options like DLC smart thermostats and electric vehicle managed charging.

3 7. ENABLING STRATEGIES - 4 The Enabling Strategies program has been a component of E1's DSM Plans since 2012. Historically, E1 has - invested an average of 10% of its total DSM portfolio investment in Enabling Strategies.[32](#page-80-2)...

AI summary The Enabling Strategies program, part of E1's DSM Plans since 2012, includes Education and Outreach, Development and Research, and Other Enabling Strategies. Investment in this program for the 2026 DSM Extension is $7.0 million, with increased funding for Development and Research to support market transformation pilots and the development of the 2027-2031 DSM Plan.

21 Table 22: 2026 DSM Extension Enabling Strategies Enabling Strategy Category 2026 Investment ($ million) 2026 Areas of Focus Education & Outreach $1.6 • Areas of focus for 2026 Education & Outreach activities align with the approved 2023...

AI summary The 2026 DSM Extension Enabling Strategies outline investment areas for education and outreach, as well as development and research, aligning with the 2023-2025 Plan. Key focus areas include community outreach, equity-seeking communities, innovation, and green schools.

Table 24: 2023-2026 Performance Indicators Approved 2023-2025 Performance Indicators 2026 2023-2026 • Annual incremental energy savings (reported by program and rate class) (GWh) ✓ ✓ • Cumulative annual energy savings (reported by program...

AI summary Table 24 outlines 2023-2026 performance indicators for energy savings, demand response, and customer satisfaction. Key metrics include annual and cumulative energy savings (GWh), system-peak demand savings (MW), ratepayer benefits, and low-income program impacts. The table emphasizes reporting by program, rate class, and equity considerations.

1 Table 25: 2026 Low-income and Equity Performance Indicators - Non-Targeted Program Components 2026 Investment ($) First-Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak Demand Savings (MW) Participation Unit Efficient Product...

AI summary Table 25 outlines 2026 performance indicators for low-income and equity programs in Nova Scotia, including investments, energy savings, and participation numbers for various initiatives like Efficient Product Installation and Residential Behaviour.

18 Cost Effectiveness Screening : - 19 A. For modelling of the 2026 DSM Extension, the Total Resource Cost (TRC) test, and Program 20 Administrator Cost (PAC) test, have been provided. - 21 B. Cost effectiveness testing has been performed...

AI summary The 2026 DSM Extension uses TRC and PAC tests for cost effectiveness screening. Energy efficiency and demand response programs underwent testing, with E1 noting some avoided cost streams are non-material to models.

A. Energy Efficiency Process Model - For the 2026 DSM Extension modelling, E1 used seasonal avoided costs of energy as calculated by NS - Power. More specifically, E1 used the following three streams of avoided costs of energy as calculate...

AI summary The 2026 DSM Extension modelling uses seasonal avoided costs of energy calculated by NS Power for the Evergreen IRP No Atlantic Loop Base Scenario, as provided to the DSMAG on August 23, 2024. Three streams of avoided costs are considered: On-Peak Winter, Off-Peak Winter, and Non-Winter Actual Annual AVC-Energy.

A. Energy Efficiency ProCESS Model In the 2026 DSM Extension modelling, E1 used the system wide avoided costs of T&D as calculated by NS Power (circulated to the DSMAG on August 23, 2024) for energy efficiency. These values are provided in...

AI summary The 2026 DSM Extension modelling uses system-wide avoided costs of T&D calculated by NS Power, as shared with the DSMAG on August 23, 2024. These values are presented in Table 5 as nominal figures.

The calculations use the general term "savings". The same calculations are applied to energy savings, peak demand savings, and program expenditures. Program Component Assumptions Calculation for 2026 DSM Extension Efficient Product Install...

AI summary The text outlines assumptions and calculations for the 2026 DSM Extension, focusing on how low-income and equity impacts are scaled for energy and demand savings, as well as expenditures, in the Efficient Product Installation (EPI) and Residential Behaviour (RB) programs.

5 Table 3: DSM Reporting: Incidental Low-Income Impacts for Non-Targeted Program Components Program Component Assumptions Calculation for DSM Reporting Efficient Product Installation (EPI) • Income disclosure is optional for this program c...

AI summary Table 3 outlines the methodology for calculating incidental low-income impacts in the Efficient Product Installation (EPI) program under Demand-Side Management (DSM). It includes assumptions about income disclosure and uses the 14.9% prevalence of low-income Nova Scotians from the 2021 Census to estimate savings from undisclosed income groups.

Filed Electronically

AI summary The document is an electronically filed submission in a Nova Scotia regulatory proceeding involving Demand-Side Management (DSM) programs, cost recovery mechanisms, and utility rate structures. Key entities include Nova Scotia Power (NSP), the Nova Scotia Utility and Review Board (NSUARB), and EfficiencyOne (E1). Topics focus on DSM cost recovery, energy efficiency, and regulatory analysis.

Appendix A Attachment 3: 2026 DSM Extension Measure-level Energy Efficiency Technical Tables

AI summary Appendix A includes Attachment 3, which outlines technical tables for 2026 DSM (Demand-Side Management) Extension Measure-level Energy Efficiency. The document is part of a regulatory proceeding involving energy efficiency programs and cost recovery mechanisms.

Filed Electronically

AI summary The document is an electronically filed submission in a Nova Scotia regulatory proceeding involving Demand-Side Management (DSM) programs, cost recovery mechanisms, and utility rate structures. Key entities include Nova Scotia Power (NSP), the Nova Scotia Utility and Review Board (NSUARB), and EfficiencyOne (E1). Topics focus on DSM cost recovery, energy efficiency, and regulatory analysis.

1. EXECUTIVE SUMMARY EfficiencyOne (E1) delivers demand side management (DSM) programs that offer benefits to customers and the electric utility. While DSM is a key resource option for delivering clean, affordable, reliable and safe energy...

AI summary EfficiencyOne (E1) implements demand-side management (DSM) programs that reduce customer bills despite potential rate increases, addressing equity concerns. E1's Rate and Bill Impact Analysis (RBIA) evaluates long-term rate and bill impacts of DSM activities, providing insights for balancing benefits across customers.

2. INTRODUCTION The forward-looking RBIA is an analysis of the rate and bill impacts associated with the proposed DSM investment only. The forward-looking rate and bill impact analysis associated with a DSM Plan or Extension Application co...

AI summary The document discusses forward-looking and historical Rate and Bill Impact Analysis (RBIA) for Demand-Side Management (DSM) investments. It outlines E1's proposed elimination of historical RBIA filings except during DSM Plan Application years, with the NSUARB accepting this approach. The next historical RBIA is scheduled for the 2027-2031 DSM Resource Plan Application.

3. 2026 DSM EXTENSION RBIA RESULTS - The results in this section are for the 2026 DSM Extension. All impacts are calculated relative to a scenario - where no DSM is conducted in 2026. Results are summarized in Attachment 1, and have been p...

AI summary This section presents the 2026 DSM Extension RBIA results, comparing scenarios with and without DSM implementation. Impacts are calculated relative to a no-DSM baseline, with energy efficiency and demand response analyzed separately and combined. Attachments 1 and 2 summarize results, including rate and bill impacts by rate class, and model outputs.

3.1 OVERALL RATE IMPACTS - DSM can lower rates by avoiding different types of electricity system costs (avoided energy, capacity, - transmission and distribution). DSM may also increase rates, a result of recovering program costs as well -...

AI summary The 2026 DSM Extension RBIA analyzes rate impacts of Demand-Side Management (DSM) programs, showing average rate changes ranging from +0.08% to +0.45% over 2026-2041. Initial cost recovery in 2026 causes higher impacts (+2.1% to +4.9%), but long-term effects (2027-2041) show smaller or negative impacts (-0.14% to +0.15%). These figures reflect long-term trends, not annual fluctuations.

3.2 OVERALL BILL IMPACTS Generally speaking, ratepayers that participate in DSM programs directly benefit by reducing their electricity consumption and thereby lowering their electricity bills. Together, the level of reduced consumption (o...

AI summary DSM programs reduce electricity bills for participants by 0.1-8.8% (2026-2041), while non-participants see minimal increases (+0.1-0.4%). Total customer savings range from -1.1 to -0.1%. Net savings for Nova Scotia ratepayers are $74 million due to reduced revenue requirements from DSM programs implemented in 2026.

3.3.4 LARGE GENERAL - As modelled, the Large General class includes Rate Code 12 only. - The average rate impact over the study period is an increase of 0.1 percent, or 0.01 cents/kWh. - Participants in the Large General class see an avera...

AI summary The Large General rate class experiences a 0.1% rate increase and 0.9% average bill decrease for participants over the study period. Non-participants see a 0.1% bill increase, though all customers are assumed to participate in BER-IR by 2026. This results in total customer bill reductions despite non-participant line inclusion.

3.3.5 SM ALL IN D USTRIAL - As modelled, the Small Industrial class includes Rate Code 21 only. - The average rate impact over the study period is an increase of 0.3 percent, or 0.05 cents/kWh. - Participants in the Small Industrial class...

AI summary The analysis details rate and bill impacts for Small, Medium, and Large Industrial classes under Nova Scotia's regulatory proceeding. Small Industrial sees a 0.3% rate increase but 5.8% lower bills for participants. Medium Industrial has a 0.1% rate increase with 0.7% lower participant bills. Large Industrial shows a 0.1% rate increase and 0.9% lower participant bills, with all customers assumed to participate in BER-IR by 2026.

4. UPDATE ON MODEL EVOLUTION - In 2024-2025, E1 worked with Elenchus, its RBIA consultant, to update the E1 RBIA model and NS Power rate model. Updates include the following: - Integration of historical and forward-looking RBIA models. Bot...

AI summary In 2024-2025, E1 and NS Power updated their RBIA and rate models with historical/forward-looking integration, expanded resource options (including strategic electrification), refined participation methodology, revised data display, added change logs, and enhanced transparency through new model tabs. These updates support the 2026 DSM Extension RBIA and future DSM planning.

4.3 PARTICIPATION

AI summary The section titled '4.3 PARTICIPATION' outlines regulatory considerations related to stakeholder involvement in Nova Scotia utility proceedings, referencing acronyms and entities involved in energy efficiency, demand response, and regulatory analysis.

or "Energy Efficiency") is calculated by adding avoided costs to the DSM Benchmark. This methodology is consistent with the methodology used in the NS Power rate model used in the 2023- 2025 DSM Plan. The DSM Benchmark includes all histori...

AI summary NS Power's rate model calculates DSM Benchmark by adding avoided costs to historical and planned DSM savings. The model prorates 2023 GRA revenue requirements using cost drivers like consumption and peak demand. The E1 Data Inputs tab allows users to select DSM resources, though only Energy Efficiency and Demand Response are included in the 2026 DSM Extension. Avoided Cost Scenarios can be adjusted to 75%, 100%, or 125% of estimated avoided costs.

2. RESOURCES AND SCENARIOS - The 2026 DSM Extension Analysis includes the NS Power rate model and the E1 RBIA model, filed - in Attachments 5 and 6 respectively. The analysis compares two scenarios: a DSM scenario and a - no-DSM scenario....

AI summary The 2026 DSM Extension Analysis compares DSM and no-DSM scenarios using NS Power's rate model and E1's RBIA model. It evaluates energy efficiency and demand response impacts, isolating 2026 DSM effects on rates and bills. Alternative scenarios include Energy Efficiency Only and Demand Response Only, with results summarized in Attachment 1.

2.1 ENERGY EFFICIENCY INPUTS - For 2026, first-year energy, lifetime energy and demand savings developed at the program - component level were allocated to rate classes in proportion with the actual rate class allocation - of energy and de...

AI summary The document outlines methods for allocating 2026 energy and demand savings to rate classes based on 2022-2024 program component data. Weighted-average measure lives (WAMLs) are calculated using ratios of lifetime to first-year energy savings per rate class.

2.2 DEMAND RESPONSE INPUTS - Demand response costs, savings, measure life, and customer incentives are calculated and - entered separately in the model from energy efficiency inputs. Demand response inputs are - determined separately from...

AI summary Demand response (DR) inputs are modeled separately from energy efficiency (EE) to enable scenario analysis, including DSM, EE-only, and DR-only cases. DR programs affect demand, not energy, with one-year measure life and continuous participant engagement. Data for the 2026 DSM Extension RBIA comes from Guidehouse's DRSim™ model and historical forecasts.

7.1 PARTICIPATION COUNTS BY CLASS Participation estimates used in the RBIA model are different than participation estimates used in development of DSM plans, since the RBIA tracks participating accounts , rather than the number of products...

AI summary The document explains how the RBIA model calculates participation counts by distinguishing between annual and active participants, using de-duplicated account data across programs and years. It details three participant categories: tracked, untracked, and Residential Behaviour participants, with totals capped at the number of customers in each rate class.

7.2 TRACKED ENERGY EFFICIENCY PARTICIPATION The RBIA estimates the number of annual energy efficiency participants and active energy efficiency participants for each rate class in each year of the study period. - Annual participants repres...

AI summary The RBIA estimates annual and active energy efficiency participants for each rate class. Annual participants are unique customers in DSM programs yearly, while active participants are those still experiencing savings based on weighted-average measure life.

7.2.1 ANN UAL TRACKED EN ERGY EFFICIEN CY PARTICIPA TION - For 2026, annual tracked participation was first estimated at the program component level. For - some program components this was done directly using inputs to Guidehouse's ProCESS...

AI summary The 2026 annual tracked participation for energy efficiency programs was estimated using Guidehouse's ProCESS model and scaled 2023 RBIA data with energy and unit factors. Results were allocated to rate classes based on historical 2023 participation patterns.

7.2.2 ACTIVE TRACKED ENERGY EFFICIEN C Y PARTICIPATION - For 2026, in the forward-looking RBIA, all annual participants are considered to be active - participants, as the forward-looking RBIA does not account for any impacts prior to 2026....

AI summary The forward-looking RBIA assumes all annual participants are active in 2026 and remains flat until their energy savings expire, after which participation drops to zero. This approach does not account for pre-2026 impacts.

8. CALCULATION OF RATE IMPACTS - Rate impacts are calculated in NS Power's Rate Model (Attachment 5) to reflect NS Power's Cost - of Service in a more precise manner. NS Power's Rate Model methodology is described in - Attachment 4. - to a...

AI summary NS Power's Rate Model calculates rate impacts by blending DSM energy and demand effects into a single energy rate, while E1's RBIA Model uses these inputs. Demand charges are excluded from bill savings calculations as they are already incorporated into the blended rate. All rate effects are assumed to apply to energy rates, with customer and demand charges remaining unchanged between DSM scenarios.

9. CALCULATION OF BILL IMPACTS This section describes key elements of the bill impact calculations.

AI summary This section outlines the methodology for calculating bill impacts as part of the Nova Scotia Utility and Review Board (NSUARB) proceeding. It focuses on the Rate and Bill Impact Analysis (RBIA) process, which evaluates the financial effects of demand-side management programs on customer bills.

3.2.2 Classification of System Costs Costs within each area are classified into appropriate services. Generation and transmission costs are classified into energy and demand. Distribution costs are classified between demand and customer. R...

AI summary System costs are classified into energy and demand categories, with DSM affecting reclassification. NS Power uses a linear equation to estimate generation cost classifications based on load factors. Transmission costs align with load factors, while distribution and retail costs remain static except for inflation. Peaking units and environmental investments are classified differently.

FAM-related Costs The FAM-related costs are allocated to rate classes using the following two-step process: • Annual class energy usage is multiplied by the benchmark unit cost $/MWh - o In the "With DSM" case the benchmark unit costs come...

AI summary FAM-related costs are allocated to rate classes using a two-step process involving benchmark unit costs from past rate cases. The method does not differentiate between energy and demand-related costs due to historical insignificance of demand costs, though recent Maritime Link Costs have increased demand-related costs to 15% of FAM totals. This allocation method may be remodeled in future RBIA applications.

Overview of Spreadsheet Calculations

AI summary The document outlines spreadsheet calculations related to Demand-Side Management (DSM) programs, involving the Nova Scotia Utility and Review Board (NSUARB) and EfficiencyOne (E1). Key considerations include benefit/cost ratios (TRC, PAC), regulatory frameworks (PUA), and cost recovery mechanisms (DCRR). The analysis supports NSUARB's evaluation of DSM initiatives under the Public Utilities Act.

Data Inputs

AI summary The 'Data Inputs' section lists acronyms and their expansions relevant to a Nova Scotia regulatory proceeding, including organizations, legislation, and programs involved in energy efficiency, demand-side management, and utility regulation.

Savings in energy and demand usage by rate class Savings in energy and demand usage arising from DSM programs for each class are tracked in the following class tabs: R-Savings, SG-Savings, G-Savings, LG-savings, SI-Savings, MI-Savings, LI-...

AI summary The document outlines how energy and demand savings from DSM programs are tracked by rate class, using data from 2011 to 2022. Savings are calculated by E1's RBIA Reports and adjusted using COSS data on energy and demand losses.

"No DSM" tab The "No DSM" tab provides annual cost allocation to rate classes absent DSM. The FAM-related costs in years 2011–2035 are calculated using the following process: - Annual FAM costs for each class are calculated by multiplying...

AI summary The 'No DSM' tab calculates annual Fuel Adjustment Mechanism (FAM) costs for rate classes without Demand-Side Management (DSM) savings. It uses blended unit FAM costs from the 'With DSM' case, scales costs to match total annual estimates, and applies a formula incorporating energy requirement deltas and avoided FAM costs, as detailed in tables 'Before External Effect' and 'After External Effect'.

Comments The applied process is a simplification of a more elaborate cost allocation process where some FAM costs, such as fuel costs, are allocated to rate classes based on their shares in monthly energy requirements; some other FAM costs...

AI summary The document details a simplified cost allocation process for FAM and non-FAM costs, differentiating allocation methods based on energy requirements, system peaks, and load factors. Non-FAM costs are calculated using 'With DSM' case data, adjusted by load factors and prorated across rate classes. Inflation adjustments for 2023–2035 and unit cost calculations at the generator's gate are also outlined.

"NSPI Inputs into RBIA" tab "NSPI Inputs into RBIA" provides pricing inputs requested by E1. It includes the following annual class data in years 201-2035 broken out by "With DSM" and "No DSM" scenarios: - Forecast Unit Revenues Before DSM...

AI summary The 'NSPI Inputs into RBIA' tab provides annual pricing data from 201-2035, comparing 'With DSM' and 'No DSM' scenarios, including revenue forecasts, DSM program charges, sales forecasts, demand forecasts, and customer counts, submitted by E1 for the Rate and Bill Impact Analysis.

Filed Electronically

AI summary The document is an electronically filed submission in a Nova Scotia regulatory proceeding involving Demand-Side Management (DSM) programs, cost recovery mechanisms, and utility rate structures. Key entities include Nova Scotia Power (NSP), the Nova Scotia Utility and Review Board (NSUARB), and EfficiencyOne (E1). Topics focus on DSM cost recovery, energy efficiency, and regulatory analysis.

Filed Electronically

AI summary The document is an electronically filed submission in a Nova Scotia regulatory proceeding involving Demand-Side Management (DSM) programs, cost recovery mechanisms, and utility rate structures. Key entities include Nova Scotia Power (NSP), the Nova Scotia Utility and Review Board (NSUARB), and EfficiencyOne (E1). Topics focus on DSM cost recovery, energy efficiency, and regulatory analysis.

4 ELECTRICITY EFFICIENCY AND CONSERVATION ACTIVITIES

AI summary The document section titled 'Electricity Efficiency and Conservation Activities' is referenced, but no further content or analysis is provided in the text. Key regulatory and program-related acronyms are listed in the context but not elaborated upon in the provided text.

5 Schedule A 6 Electricity Efficiency and Conservation Activities 7 The figure below identifies the scope of savings (4 year Cumulative Annual Energy Savings, Cumulative Annual Peak Demand Savings, Cumulative Annual Energy Savings from Low...

AI summary This section outlines the scope of electricity efficiency and conservation activities, including cumulative annual energy and peak demand savings over a four-year period, with a focus on low-income and equity programs, as well as available demand response capacity.

14 15 Performance Targets Cumulative Annual Net Energy Savings at Generator over the Term (GWh) Cumulative Annual Net Peak Demand Savings at Generator over the Term (MW) Cumulative Annual Energy Savings – Low Income & Equity (GWh) Availabl...

AI summary The table presents performance targets for energy savings and demand response capacity from 2023 to 2026, including cumulative annual net energy savings, peak demand savings, low-income and equity energy savings, and available demand response capacity.

4 ELECTRICITY EFFICIENCY AND CONSERVATION ACTIVITIES

AI summary The document section titled 'Electricity Efficiency and Conservation Activities' is referenced, but no further content or analysis is provided in the text. Key regulatory and program-related acronyms are listed in the context but not elaborated upon in the provided text.

6 Electricity Efficiency and Conservation Activities The figure below identifies the scope of savings (3 4 year Cumulative Annual Energy Savings, Cumulative Annual Peak Demand Savings, Cumulative Annual Energy Savings from Low Income & Equ...

AI summary The text outlines the scope of savings from electricity efficiency and conservation activities over a three-to-four-year plan, including cumulative annual energy and peak demand savings, as well as demand response capacity, with a focus on low-income and equity programs.

13 14 Performance Targets Cumulative Annual Net Energy Savings at Generator over the Term (GWh) Cumulative Annual Net Peak Demand Savings at Generator over the Term (MW) Cumulative Annual Energy Savings – Low Income & Equity (GWh) Availabl...

AI summary The table outlines performance targets for energy savings and demand response capacity from 2023 to 2026, including cumulative annual net energy savings, peak demand savings, and available demand response capacity.

Schedule B (Page 1 of 2)

AI summary Schedule B of a Nova Scotia regulatory proceeding outlines a document involving energy efficiency, demand response, and cost recovery mechanisms. Key entities include Nova Scotia Power, EfficiencyOne, and regulatory bodies like the NSUARB. Topics focus on DSM programs, benefit/cost ratios, and compliance with the Public Utilities Act.

SAVINGS VERIFICATION REVIEW Of Efficiency Nova Scotia Program Year 2024 Evaluation Results Report for the Nova Scotia Energy Board 06/04/2025 H. Gil Peach & Associates LLC H. Gil Peach, PhD John Mitchell, BS Yvonne J. Whitelaw, MA Marty Ku...

AI summary This document presents the 2024 evaluation results of the Efficiency Nova Scotia Program, submitted to the Nova Scotia Energy Board by H. Gil Peach & Associates LLC. The report details program year outcomes and is authored by a team of experts in energy efficiency and related fields.

II. How Savings Verification fits in the Policy, Planning, Program Cycle It can be useful in approaching evaluation to review how the Policy, Planning and Program cycle works and where evaluation and savings verification fit.[2](#page-7-3)...

AI summary This section explains how Savings Verification is integrated into the Policy, Planning, and Program cycle for Demand Side Management (DSM). It outlines the role of Efficiency Nova Scotia and Econoler in evaluation and verification, noting the Residential Behavior Program as new in 2024. The cycle includes steps like Independent Evaluation and Savings Verification, which feed into program planning.

III. Resource Acquisition and Other Evaluation Frameworks Efficiency Nova Scotia programs are almost entirely resource acquisition programs that treat saved energy as equivalent to generated energy. This is the original framework for the e...

AI summary Efficiency Nova Scotia's energy efficiency programs are evaluated under a resource acquisition framework, equating saved energy to generated energy. Econoler's approach is highlighted, with mentions of evolving evaluation frameworks and market transformation. DSM evaluation types (impact, process, market) are discussed.

V. Summary of Evaluated Savings Results Evaluation of demand savings, first year energy savings, and lifetime net energy savings at the generator as reported by the Evaluator are summarized in this section.

AI summary This section summarizes the evaluation of demand savings, first-year energy savings, and lifetime net energy savings at the generator level, as reported by the Evaluator. These metrics are central to assessing the effectiveness of energy efficiency initiatives.

Table 1: Net Demand Reduction at the Generator. Residential Demand Reduction (MW) Appliance Retirement 0.337 Rebate Programs Instant Savings 2.428 2.765 Affordable Multifamily Housing 0.570 Affordable Single-Family Housing 2.089 Existing R...

AI summary This table presents net demand reduction at the generator for various residential and business programs in Nova Scotia. It includes contributions from rebate programs, appliance retirement, and energy efficiency initiatives, with a total demand reduction of 30.689 MW.

8 15 Although Efficiency Nova Scotia does work to support Codes and Standards, direction in this area is seen as coming primarily from the federal or provincial levels, so energy savings from Codes and Standards are treated as outside coun...

AI summary The text discusses how demand reductions from physical measures in Efficiency Nova Scotia programs, such as Home Energy Assessment and Business Energy Rebates, produce long-term reductions in peak demand, unlike temporary behavioral changes. It also highlights the contribution of separate DR programs, such as Residential Demand Response and BNI Demand Response, to overall demand reduction.

2. Evaluated Net First-Year Energy Savings at the Generator Table 2 presents first-year savings, and lifetime energy savings from the Econoler evaluations

AI summary This section discusses the evaluation of net first-year energy savings at the generator level, with Table 2 presenting first-year and lifetime energy savings based on Econoler evaluations.

Table 2: First Year and Lifetime Net Energy Savings at the Generator. 2024 Net Evaluated Energy Savings (at Generator) Program Residential Annual Evaluated Net Savings (GWh) Lifetime E ifetime Evaluated Net Savings (GWh) Residential Effici...

AI summary Table 2 presents the first-year and lifetime net energy savings at the generator for various residential and business programs, including the Appliance Retirement Program, Instant Savings, and Strategic Energy Management. The data highlights the contributions of different initiatives to overall energy efficiency and savings.

3. Sector Contributions In Figure 4, BNI contributes net peak demand savings at the generator of about 45%; about 55% is contributed from the Residential sector. 19 The whole numbers shown on the bars in [Figure 3](#page-17-1) can be consi...

AI summary The text discusses sector contributions to net demand reduction and energy savings. BNI contributes approximately 45-55% of peak demand savings, first-year, and lifetime net energy savings, with the residential sector contributing the remaining percentage.

Table 3: Planned Evaluations for 2024 Programs. 2024 Portfolio Evaluation Plan D Impact Ev Impact Evaluation Market Program Component Comprehensive Condensed Evaluation Evaluation Residential Appliance Retirement Х Instant Savings Х Afford...

AI summary Table 3 outlines the planned evaluations for 2024 programs, including various residential and business energy efficiency initiatives. It includes evaluations such as the Appliance Retirement Program, Instant Savings, and Strategic Energy Management. The table also references supporting reports from Econoler and Efficiency One.

VII. Savings Verification Approach The savings verification review was conducted as follows: - We focus on the "installed" annual energy savings and demand reductions. These are the annualized value of savings and demand reductions from th...

AI summary The savings verification process focuses on annualized energy savings from installed measures, not actual yearly savings. The review checked methodologies for interaction, free-ridership, and other approaches, and included 93 site visits for the 2024 program year.

IX. General Recommendations SVR24-G-1. The Savings Verification study recommends acceptance of the 2024 evaluation estimates for energy savings and demand reduction except for four programs . These are the Residential Behavior program (6.2...

AI summary The Savings Verification study recommends accepting 2024 energy savings estimates for most programs but excludes four due to evaluation issues. Key concerns include lack of independent evaluation for compressed air projects, insufficient practical significance of savings for residential and demand response programs, and protocol limitations. Recommendations include flagging low-impact programs, improving evaluation transparency, and emphasizing practical significance over statistical significance.

small refrigerator $10 for small freezer Rule Changes. Since 2016 Efficiency Nova Scotia has adjusted the retirement criteria to increase program participation and maintain cost effectiveness: - In 2016 appliance age criteria changed from...

AI summary Efficiency Nova Scotia's Appliance Retirement Program (ARet) has evolved since 2016, with criteria adjustments to boost participation and cost-effectiveness. In 2024, 5,941 appliances were retired, yielding 39% higher energy savings (4.195 GWh) and peak demand reduction (0.598 MW) compared to 2023. Evaluations focused on calculating savings, avoided GHG emissions, and program impact.

B. Instant Savings (IS) The Instant Savings program is one of two components of the Residential Efficient Product Rebates program. Instant Savings is an instant cash rebate program offered to purchasers of energy efficient products, delive...

AI summary The Instant Savings (IS) program, part of the Residential Efficient Product Rebates, offers instant cash rebates for energy-efficient products via retailers and online platforms. In 2024, 395,472 products were sold, with Energy Start LED Fixtures leading sales. Energy savings rose 73% to 26.884 GWh, and peak demand savings reached 2.955 MW. A 2025 phase-out of LED rebates was announced. The program's evaluation focuses on energy savings, GHG reductions, and market impact.

Evaluator Findings. The Evaluator reported the following key Instant Savings findings: - Instant Savings exceeded both 2024 planned net electrical energy and peak demand savings of 12.544 GWh and 1.680 MW, respectively. - 2024 net electric...

AI summary The Evaluator found that Instant Savings exceeded 2024 energy and peak demand targets by 77% and 45%, respectively, with LED products driving 69% of savings. Non-lighting product savings rose 17% YoY, and free ridership for LEDs dropped to 39%. Evaluated savings were 16-10% higher than Efficiency Nova Scotia's tracked values. No new recommendations were provided.

C. Home Energy Assessment (HEA) Home Energy Assessment (HEA) is a component of the Existing Residential Programs. This program encourages homeowners to increase the efficiency and comfort of their homes by providing rebates for qualified e...

AI summary The Home Energy Assessment (HEA) program offers rebates for energy efficiency retrofits and equipment. It uses 'test-in/test-out' audits and blower door testing to measure performance. A 2024 marketing campaign focused on promoting heat pumps for electricity-saving homes, though the program also serves non-electric homes since 2018. The 2024 evaluation included surveys, audit reviews, energy savings calculations, and AMI data analysis.

the Canada Greener Homes Grant (CGH) rather than the Green Heat program. This shift began in May 2021 to access higher federal incentive levels which were not available through the Green Heat program. Nova Scotia homeowners enrolled in HEA...

AI summary Nova Scotia shifted from the Green Heat program to the Canada Greener Homes Grant (CGH) in 2021 for higher federal incentives. HEA, linked to CGH, outperformed Green Heat in installing Mini-split Heat Pumps (MSHPs) until CGH closed in 2024. Green Heat's 2024 performance dropped significantly, with 70% lower savings attributed to fewer installations, reduced MSHP efficiency, and updated billing analysis.

E. Residential Efficient Product Installation (EPI)

AI summary The section discusses Residential Efficient Product Installation (EPI), outlining key programs and acronyms relevant to energy efficiency initiatives in Nova Scotia. It lists abbreviations for programs, grants, and infrastructure related to residential energy management and demand-side strategies.

Potential measures highlighted include: - Advance heat recovery ventilator controls consuming 67% less energy. - Bathroom fans -efficient models saving up to 35.4 kWh per year. - Block heater timers with unitary savings of 122 kWh/year. -...

AI summary Potential energy efficiency measures include advanced heat recovery ventilators (67% energy reduction), efficient bathroom fans (35.4 kWh/year savings), block heater timers (122 kWh/year savings), and heat reflector panels (143 m3 natural gas/year savings). These measures aim to reduce energy consumption through technological upgrades.

EPI's two funding sources are: - 1. Electricity ratepayers to fund upgrades to reduce electricity consumption. - 2. Government of Nova Scotia and the federal Low Carbon Economy Fund funds upgrades that reduce the use of other fuels. The Ev...

AI summary EPI's funding comes from electricity ratepayers and the federal Low Carbon Economy Fund. 2024 saw a 2.4% increase in participation (9,993 vs. 9,763) and 150,722 efficient products installed, but average savings per participant fell 6.3%. LED lamps dominated (74% of installations), though smart thermostat installation rates dropped 16% due to dissatisfaction. The Evaluator recommends improving installer education and follow-up to address issues.

F. Mi'kmaw Home Energy Efficiency Program (MHEEP) MHEEP is a component of the Existing Residential Programs. Initiated in June 2018 as the First Nations Home Energy Efficiency Pilot, MHEEP began operations in 2019 as a residential energy e...

AI summary The Mi'kmaw Home Energy Efficiency Program (MHEEP) provides no-cost energy efficiency upgrades to band-owned homes in 13 Mi'kmaw communities in Nova Scotia. Initiated in 2018 as a pilot, it operates through collaboration with E1 Program Staff, community housing managers, and delivery agents. Upgrades include building envelope improvements, heating equipment, and appliance replacements, assessed via EnerGuide audits. Funding sources are not fully detailed in the text.

G. Affordable Multifamily Housing (AMH) The Affordable Multifamily Housing (AMH) program provides affordable-housing owners and nonprofit organizations, including rehabilitation and transition housing, with incentives for building-wide ene...

AI summary The Affordable Multifamily Housing (AMH) program offers incentives for energy retrofits in affordable housing, funded by electric ratepayers and the Province of Nova Scotia. Since 2021, the Green Fund increased incentives to 80% for electrical projects and 100% for shelters. Participation rose from 79 to 83 projects between 2023-2024, with comprehensive projects increasing by 70% and prescriptive projects decreasing slightly. The Evaluator noted lower savings per prescriptive project and outlined evaluation objectives including energy savings and GHG emission reductions.

The Evaluator conducted: - Interviews with program staff, participants, and Energy Advisors. - Interviews with dropped-out participants and non-participants to analyze barriers to participation and operating agreement design. To determine...

AI summary The Evaluator assessed the Affordable Multifamily Housing (AMH) program, noting high participant satisfaction but challenges with incentive clarity, project delays, and audit templates. Energy savings fell short of targets, though participation increased. Recommendations include revising incentives, providing technical support, and improving audit templates. The evaluation method was deemed appropriate.

H. [Affordable Single-Family Homes (ASFH)](bookmark://_Toc170668323/) The Affordable Single-Family Housing (ASFH) program began in 2023 and provides energy efficiency retrofits and heat pump installations at no cost to income qualified hom...

AI summary The Affordable Single-Family Homes (ASFH) program, launched in 2023, offers free energy efficiency retrofits and heat pump installations to income-qualified homeowners. It partners with Efficiency Nova Scotia's Appliance Retirement and Efficient Product Installation programs. In 2024, 1,210 homes participated, achieving 3.719 GWh in energy savings, up from 1.444 GWh in 2023. Evaluations focused on program impact, savings calculations, and GHG emission reductions.

The Evaluator: - Developed participant survey. - Conducted interviews with program staff, heat pump contractors, and delivery agents (DAs) To determine the gross and net electrical energy and peak demand savings and avoided annual GHG emis...

AI summary The evaluator assessed the Affordable Single-Family Homes (ASFH) program, noting high participant satisfaction but identifying issues like long wait times and insufficient information. The program exceeded energy and demand reduction targets, achieving 3.719 GWh net savings and 2.089 MW peak demand reduction. Adjustments reduced tracked savings by 21% and 3%. Recommendations focus on improving delivery processes, communication, and training.

I. Residential Behavioral Program (Efficiency Insights) The Residential Behaviour program, "Efficiency Insights", is new for Program Year 2024, and follows a similar previous residential behaviour program, administered by Efficiency Nova S...

AI summary Efficiency Insights, a new 2024 residential behavioral program, provides bi-monthly Home Energy Reports to participants, comparing their energy use with similar homes and promoting energy-saving behaviors. It differs from other DSM programs by focusing solely on behavioral change without physical measures, aiming to drive participation in measure-based efficiency initiatives.

emonstrates the equivalence of the treatment and control groups on these variables for each usage group. For completion, there should be an overall comparison of Treatment vs. Control.[36](#page-49-1) Effective Useful Life. The evaluator p...

AI summary The text discusses the Effective Useful Life (EUL) for the Efficiency Insights program, noting that it is counted as one year due to the lack of physical measures and the focus on behavioral energy savings. It references the Uniform Methods Project's assumption that behavioral savings do not persist beyond the first year.

participation in the measure-based programs[.42](#page-52-1) Out of nine similar analyses of possible effect, the Evaluator only claims a (very tiny) effect for three of the nine analyses (one-third). The three claims include for Green Hea...

AI summary The analysis of measure-based programs shows minimal effectiveness, with only three out of nine analyses claiming a very small effect (0.1% for Green Heat and 0.4% for Efficient Products Installation). The Home Energy Assessment program had no claimed effect. The Evaluator emphasizes the importance of including opt-out subjects in energy savings analysis to avoid bias.

Table 7: Evaluation Claimed Influence on Participation in Other Programs. Measure-Based Program Encouragement Results (Difference of Means) Subgroup Treatment Control (Size of) Difference (Is There a) Claimed Effect High Energy Use HEA 1.6...

AI summary Table 7 evaluates the influence of participation in energy efficiency programs on other programs, showing mixed results. Green Heat and EPI showed claimed effects in some subgroups, while HEA did not. The table also includes references to statistical methodologies and academic sources discussing significance testing.

2. Recommendations SVR2024-Behaviour-5. Overall, we recommend that the program be continued, but not as a direct energy savings program. Rather, it should be redesigned and evaluated as a marketing and promotional program designed to (1) s...

AI summary The document recommends redesigning the program as a marketing tool rather than a direct energy savings initiative, emphasizing the need for process evaluation to improve household-level energy savings. It highlights the lack of systematic data on effective energy-saving behaviors and the need to analyze high-impact households to identify practical measures.

Recommendations SVR2024-BNI Efficient Products – 8. Change baselines for BER and IR rebates to reflect current market practices that have indoor DesignLights Consortium-Standard products as the new baseline with incentives offered for comp...

AI summary The recommendations propose updating BER and IR rebate baselines to use DesignLights Consortium-Standard products as the new benchmark, offering incentives for Premium products. A study on multi-wattage LED lighting products is suggested if existing data is unavailable, focusing on popular products and market regions.

K. BNI Custom Incentives Program (Custom Component) For 2024, the BNI Custom Incentives Program consists of two components, Custom and Strategic Energy Management (SEM). The Custom program is comprised of four parts: Retrofit, New Construc...

AI summary The BNI Custom Incentives Program's Retrofit component in 2024 provides technical and financial support for efficiency improvements. Rooftop solar contributed 10% of savings, while compressed air leak audits accounted for 42%, with two sites contributing 69.6% of total savings. Audit savings increased by 522% compared to 2023, driven by these sites.

L. BNI Strategic Energy Management (SEM) Strategic Energy Management (SEM) is an approach for integrating energy management into business practice – so that a focus on continually advancing energyefficiency becomes an integral aspect of wo...

AI summary Strategic Energy Management (SEM) integrates energy efficiency into workplace practices, inspired by Japanese Kaizen. In 2024, SEM saw a 32.4% increase in tracked savings, driven by two major participants, with 53% of savings from compressed air leak repairs. The program exceeded 2024 targets by 6% in energy savings (4.478 GWh) and 14% in peak demand reduction (0.537 MW).

M. BNI Small Business Energy Solutions Program (SBES) Small Business Energy Solutions (SBES). SBES is available to businesses that use less than 350,000 kWh annually. There are two paths within the program, the audit path, and the do-it-yo...

AI summary The SBES program in Nova Scotia serves small businesses with annual usage under 350,000 kWh, offering audit and DIY paths. In 2024, 493 projects were completed, with 89% on the DIY path. Energy savings increased by 46% (10.854 GWh) and demand reduction by 45% (2.155 MW). Evaluation methods included audits, desk reviews, and a non-participant spillover survey, which found no significant results, suggesting a need for larger samples.

B. Program Specific Recommendations There are recommendations for only five of the program evaluations, Residential Behavior, BNI Efficient Product Rebates, the compressed air leak detection part of BNI Custom Incentives, and the two Deman...

AI summary Recommendations are provided for five programs: Residential Behavior, BNI Efficient Product Rebates, BNI Custom Incentives (compressed air leak detection), and two Demand Programs (Residential and BNI). Other programs lack evaluation issues. Key focus areas include program-specific evaluations and demand-side initiatives.

XII. References American Statistical Association, Statement on Statistical Significance and P-Values, Provides Principles to Improve the Conduct and Interpretation of Quantitative Science, March 7, 2016 [(www.amstat.org/asa/files/pdfs/p-va...

AI summary The references include academic and industry sources on statistical methods, energy efficiency programs, and policy evaluation. Key entities are organizations like the American Statistical Association, the Consortium for Energy Efficiency, and reports on thermostat programs and energy sufficiency.

Table 10: Evaluation Questions - Summary Table. Asked and Answered for Program Year 2024 General Questions to Ask of Energy Efficiency Program Evaluations 9 Does the evaluator engage with program administration and program technical staff...

AI summary The table summarizes responses to evaluation questions for the Energy Efficiency Program in 2024. It confirms that evaluators engaged with program staff, used literature reviews, reported issues promptly, followed up on recommendations, and included method explanations and statistical reporting in their evaluations.

XV. Appendix 3: Statistical vs. Practical Significance Statistical significance is a measure of the probability that a result in an analysis could have occurred by chance alone, out of many (theoretical) repetitions of a test. It can be re...

AI summary The text distinguishes between statistical significance (probability of results occurring by chance) and practical significance (real-world relevance). It argues that large samples can produce statistically significant but trivial results, emphasizing the need to prioritize practical significance for meaningful program evaluation, particularly in energy savings contexts.

(d) Please refer to part (b) of this IR response. (e) The residential DR program component was introduced in the 2023-2025 DSM Plan. Delivering programs in 2023-2025 has provided E1 valuable insights into the actual costs and capacity from...

AI summary EfficiencyOne (E1) has introduced a residential demand response (DR) program as part of the 2023-2025 DSM Plan, acknowledging early cost-effectiveness challenges but emphasizing its role in equity and alignment with provincial clean energy goals, including the 2030 Clean Power Plan and decarbonization targets.

& lt;sup>c Weighted average measure life for Q1 2025 actuals was calculated by dividing the lifetime energy savings by the first year energy savings. 1 Request IR-14: Program component Expenditures $ (million) Energy savings (GWh) Demand s...

AI summary The text provides data on program expenditures and energy savings for various energy efficiency initiatives in Q1 2025. It includes details on Business Energy Rebates, Custom programs, Strategic Energy Management, and BNI Demand Response, with metrics such as energy savings (GWh) and demand savings (MW).

Date Filed: June 25, 2025 E1 (IG) IR-19 Page 2 of 2 1 Request IR-20: 2 3 Reference: Appendix A, Page 45, Section 7. Enabling Strategies. 4 5 (a) Please expand Table 22 to include the investment for each year from 2023, 2024 and 2025 6 (sep...

AI summary The response to Request IR-20 provides an overview of the breakdown of Enabling Strategies costs for the 2023-2025 DSM Plan, noting that these costs are estimates and some staff costs have shifted between programs during implementation. The total costs remain the same as approved.

Enabling Strategies - Development & Research Activities 2023 Plan 2023 Actual 2024 Plan 2024 Actual 2025 Plan 2025 Forecast 2026 Plan Information & Analytics Research & Data Analytics $ 210,000 $ 230,000 $ 210,000 $ 95,000 $ 210,000 $ 220,...

AI summary The document outlines the budget and actual spending for Enabling Strategies under Development & Research, including Information & Analytics, Engineering & Planning, and Market Transformation activities from 2023 to 2026. It provides financial data for various initiatives and their projected costs.

Date Filed: June 25, 2025 E1 (IG) IR-20 Page 3 of 3 1 Request IR-21: 2 3 Reference: In Appendix A, page 51 it refers to increased rebates in the spring and fall campaigns 4 for LED lighting. 5 6 (a) What percentage of the cost of the produ...

AI summary The document includes a request for information regarding LED lighting rebate campaigns in 2024, specifically the percentage of product costs covered by incentives, the rationale behind LED baseline changes in 2025, and whether E1 had data indicating consumer reluctance to purchase LEDs without higher incentives. The response indicates that rebates were up to 70% and 80% in the spring and fall campaigns, respectively, and that the LED baseline change was due to market trends moving away from compact fluorescent lamps.

Rebates were raised and promoted during 2024 spring and fall campaigns to increase customer awareness that this would be the final year that rebates would be offered on these product categories. As part of the 2024 program evaluation, cust...

AI summary The document discusses the 2024 rebate campaigns by E1, highlighting a decrease in free-ridership for LED products compared to 2022 and increased rebate amounts. Customer satisfaction with Business Energy Rebates was 8.8 on a 10-point scale, though some customers felt the rebate amounts were too small.

Date Filed: June 25, 2025 E1 (IG) IR-23 Page 3 of 3 1 Request IR-24: 20 over the 2026 DSM Extension period compared to the rate impacts from the 2023-2025 Plan 21 RBIA.1 1 Request IR-26: 2 3 Reference: Appendix B, page 13 of 24, and pages...

AI summary The document outlines requests related to the 2026 DSM Extension period and non-participant bill impacts, focusing on participation rates in EE and DR programs across various industrial rate classes. It emphasizes the broad reach of E1's rebate programs and the assumption that participation is widespread.

16 Table 1: Industrial Rate Class Unique Customers Participating in Energy Efficiency in 2023-2025 by Rate Class and 17 Program Component Rate Class 2023 2024 2025 Program Component Participating Customers % of Total Rate Class Customers P...

AI summary The table presents data on the participation of unique customers in energy efficiency programs across different industrial rate classes from 2023 to 2025. It shows the number of participating customers and their percentage of the total rate class customers for each program component.

Program costs by participating rate classes Program Efficient Product Rebates RES Energy Savings (GWh) Demand Savings (MW) Existing Residential Energy Savings (GWh) Demand Savings (MW) New Residential Energy Savings (GWh) Demand Savings (M...

AI summary The text presents a table detailing program costs and energy and demand savings across various rate classes in Nova Scotia. It includes data for different programs such as Efficient Product Rebates, Custom Incentives, and Direct Installation, along with their associated costs and savings in both residential and non-residential categories.

Program costs by participating rate classes Program Efficient Product Rebates RES Energy Savings (GWh) Demand Savings (MW) Existing Residential Energy Savings (GWh) Demand Savings (MW) New Residential Energy Savings (GWh) Demand Savings (M...

AI summary The document presents a table detailing program costs and energy and demand savings by rate class for various energy efficiency programs in Nova Scotia. It includes data for different programs such as Efficient Product Rebates, Custom Incentives, and Direct Installation, along with their respective savings and costs.

M12249 – EfficiencyOne (E1) Application for Approval of the 2026 DSM Extension 1 Request IR-13: 2 3 Page 45 of 51 of Appendix A of the Application states: "Investment for Development and 4 Research has increased in 2026 compared to 2023-20...

AI summary The document discusses E1's request for additional funding of $0.9 million in 2026 for the heat pump water heater market transformation pilot and related research activities. E1 explains that the increased investment is not only for the pilot but also for broader development and research initiatives aligned with the approved DSM Plan.

E1 does not have enough information to draw firm conclusions about the basis for, or implications of these differences on avoided costs; however, we expect there could be material impacts on the avoided costs. These results warrant a more...

AI summary E1 lacks sufficient information to determine the basis or implications of differences in avoided costs between scenarios. Questions are raised about resolution levels, assumption differences, documentation of results, resource selection changes, revenue requirements, and steps to reduce emissions in the Base DSM scenario.

Observations: • In 2026, the embedded avoided cost of carbon represents 67% of the total avoided cost of energy, leaving 33% ($45/MWh) for the non-carbon avoided cost of energy component. The percentage steadily declines until we see negat...

AI summary In 2026, 67% of the total avoided cost of energy is attributed to carbon, with 33% ($45/MWh) for non-carbon components. By 2031-2033, carbon avoided costs become negative, indicating higher emissions in the DSM scenario. This percentage later recovers to 30-34%.

E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 • Updates to measure characterizations and cost assumptions for the Affordable Multi 2 Family Housing and Home Energy Assessment program components in...

AI summary E1 notes that updates to residential energy efficiency programs, including Affordable Multi-Family Housing and Home Energy Assessment, have reduced TRC results for 2026. The removal of Appliance Retirement and Green Heat programs, which had higher TRC results in prior plans, further contributed to this reduction. Some measures show reduced energy savings or increased costs.

E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 indicating that the measure provides net benefits to the utility system and 2 ratepayers. o Energy audit measures have a TRC ratio of 0 due to a lack o...

AI summary E1 argues that energy audit measures, despite a TRC ratio of 0, drive customer awareness and support program participation. Instant Savings measures with TRC ratio 1.0 are justified by customer satisfaction, market needs, and PAC Test results exceeding 1.0, indicating net benefits to the utility system and ratepayers. New measures are evaluated for long-term impacts under the 2026 DSM Plan.

2026 DSM Extension Application to the Energy Board Date Filed: June 25, 2025 REDACTED Synapse IR-04, Attachment 1, Page 4 of 19 - In E1's 2026 Extension Application we plan to request Energy Board approval of 2026 targets. These targets ar...

AI summary E1's 2026 DSM Extension Application seeks Energy Board approval for targets aligning with UARB's 2023-2025 approvals, including 116.0 GWh annual energy savings, 18.9 MW demand savings, and 4.0 GWh from low-income programs. No new performance targets are proposed.

Carbon Emissions Avoided REDACTED Synapse IR-04, Attachment 1, Page 5 of 1 First-Year CO 2 e Savings (kt) 26.1 Lifetime CO 2 e Savings (kt) 134.3 Portfolio Summary (2026) First-Year Energy Savings (GWh) 116.0 E Peak Demand Savings (MW) 18....

AI summary The table presents key metrics related to carbon emissions avoided and energy efficiency programs, including first-year and lifetime CO2e savings, energy and demand savings, investment figures, and cost-benefit analysis for a portfolio summary in 2026.

Mikmaw Home Energy Efficiency Project - Mi'kmaw Home Energy Efficiency Project will largely follow the same approach for the 2026 DSM Extension as outlined in the approved 2023-2025 Plan. - Appliance replacements will no longer be offered,...

AI summary The Mi'kmaw Home Energy Efficiency Project will follow the 2023-2025 Plan approach for 2026, excluding appliance replacements due to the Appliance Retirement program's wind-up. A $1.1 million investment will support 180 Mi'kmaw homes in 2026.

Support for Business Customers – Business Energy Rebates The Business Energy Rebates program component offers two pathways: Instant Rebates and Application Rebates. - For Instant Rebates, customers have access to prescriptive rebates on a...

AI summary The Business Energy Rebates program offers two pathways: Instant Rebates via point-of-purchase discounts and Application Rebates through project applications to E1. A 2026 investment of $8.1 million aims to install over 160,000 energy-efficient products, managed by EfficiencyOne.

Support for Business Customers – Custom & Strategic Energy Management - Custom provides large business, non-profit and institutional participants with technical assistance and financial incentives to help reduce electricity consumption and...

AI summary The document outlines Custom and Strategic Energy Management (SEM) programs by EfficiencyOne (E1) to help businesses reduce energy use. Custom offers technical and financial support for projects, while SEM focuses on operational changes. E1 also continues industrial management. In 2026, $9.8M will support 170+ Custom projects and $0.9M for SEM.

Support for Business Customers – Demand Response (con't) - Eco Shift pilot, including: - DLC smart thermostats: utility control of smart thermostats (mini-split heat pumps, central heat pumps, and electric baseboards). E1 has included a br...

AI summary The Eco Shift pilot under E1 includes demand response initiatives like smart thermostats, water heater controllers, EV managed charging, and battery control. Participants receive annual payments and upfront incentives. A 2026 investment of $2.6 million aims to support over 400 customers through these programs.

E1 Responses to Synapse Energy Economics (Synapse) Information Requests NON-CONFIDENTIAL Request IR-05: Page 15 of the Evidence states, "In its decision approving the 2023-2025 DSM Plan, the NSUARB (as it then was) made note of the fact th...

AI summary The document discusses E1's response to Synapse's request regarding avoided cost calculations for the DSM Plan. It notes that the 2022 Evergreen IRP results were incorporated into the 2026 DSM Extension, with carbon costs now embedded in energy avoided costs, unlike in the 2023-2025 Plan. The Board directed the DSMAG to address climate goals in avoided cost calculations for the 2026-2028 Plan.

M12249 – EfficiencyOne (E1) Application for Approval of the 2026 DSM Extension 1 includes the avoided cost of carbon applied in the 2023-2025 Plan. Please show the 2 breakout of the avoided cost of carbon and the other avoided energy and c...

AI summary The document discusses the 2026 DSM Extension application by EfficiencyOne (E1), including questions about avoided costs of carbon and energy, and the source of these costs. E1 responds that NS Power provided avoided costs from the 2022 Evergreen IRP, but did not break down the carbon component separately.

E1 Responses to Synapse Energy Economics (Synapse) Information Requests NON-CONFIDENTIAL 1 Request IR-06: Page 17 of the Evidence states, "Starting in 2025, the program component transitioned to year-round set rebates on all qualifying pro...

AI summary The document discusses changes in E1's rebate program starting in 2025, including the transition to year-round rebates and the discontinuation of point-of-sale rebates for LED lamps and fixtures. These changes are expected to reduce energy savings and increase unit costs.

(a) Please provide the Investment, Lifetime Benefits (TRC), Lifetime Benefits (PAC), First Year Energy Savings, Lifetime Energy Savings, Peak EE Demand Savings, Total Resource Cost Test (TRC), and Program Administrator Cost Test (PAC) for...

AI summary The text requests detailed financial and energy performance data for lighting measures in the Instant Savings and Efficiency Product Installation program components, including investment, energy savings, and cost tests, across multiple years. It also asks for information on other program components affected by the phase-out of lighting measures.

E1 Responses to Synapse Energy Economics (Synapse) Information Requests NON-CONFIDENTIAL Energy Savings, Lifetime Energy Savings, Peak EE Demand Savings, Total Resource Cost Test (TRC), and Program Administrator Cost Test (PAC) for lightin...

AI summary The document provides responses to information requests from Synapse Energy Economics regarding energy savings, peak demand savings, and cost tests for lighting measures in various programs. It includes data for 2023, 2024, and 2025 forecasts.

and 2026 Plan Extension. - date = motant dating = grang Instant Savings - Lighting 2023 Actuals 2024 Actuals 2025 Forecast 2026 Exter Investment ($M) $1.0 $3.10 $0.20 N/A Lifetime Benefits ($M) a $ 1.23 $ 2.12 $ 0.16 N/A First Year Energy...

AI summary The table provides financial and performance data for the Instant Savings - Lighting program under the 2026 Plan Extension, including investment, benefits, energy savings, and demand savings across years 2023 to 2026.

Table 2: Efficient Products Installation – Lighting Efficient Product Installation - Lighting 2023 Actuals 2024 Actuals 2025 Forecast 2026 Extension Investment ($M) $0.9 $0.9 $0.7 N/A Lifetime Benefits ($M) a $ 1.85 $ 0.67 $ 0.27 N/A Light...

AI summary Table 2 outlines the Efficient Products Installation – Lighting program's investment, benefits, and energy savings for the years 2023 to 2026. It also notes that EfficiencyOne cannot retroactively perform cost-effectiveness testing due to a lack of verified customer and utility avoided costs.

E1 Responses to Synapse Energy Economics (Synapse) Information Requests NON-CONFIDENTIAL Efficient Product Installation - Lighting 2023 Actuals 2024 Actuals 2025 2026 2023 Actuals 2024 Actuals Forecast Extension Program Administrator Cost...

AI summary The document provides a table related to the Efficient Product Installation - Lighting program, including data on the Program Administrator Cost Test (PAC) and the Lighting Weighted Average Measure Life for the years 2023 to 2026. It mentions the net present value of avoided costs from the 2023-2025 DSM Plan.

Table 1: Breakout of 2026 Residential Low-income and Equity Subtotal - 40010 21 21 24 04 10 41 0 0 20 20 11001 G = 9 G. 1 C / C 2026 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savin...

AI summary The table provides a detailed breakdown of the 2026 residential low-income and equity programs, including investments, lifetime benefits, energy savings, and cost tests. The data highlights the financial and energy efficiency impacts of various initiatives aimed at supporting low-income households and promoting equity.

Table 2: Breakout of 2026 BNI Low-income & Equity 2026 Investment ($ million) Lifetime Benefits ($ million) First Year Energy Savings (GWh) Lifetime Energy Savings (GWh) Peak EE Demand Savings (MW) Available Capacity (MW) Total Resource Co...

AI summary Table 2 provides a financial and performance breakdown of the 2026 BNI Low-income & Equity program, including investments, energy savings, and cost tests. The data highlights the program's impact on energy efficiency, savings, and resource costs.

E1 Responses to Synapse Energy Economics (Synapse) Information Requests NON-CONFIDENTIAL - 1 (d) Has a similar evaluation been conducted for the Home Energy Assessment program 2 component? If so, did the evaluation find similar results? If...

AI summary This section of the document contains a series of questions and a partial response related to the evaluation of the Home Energy Assessment program component under the 2026 Plan Extension. The response is incomplete and lacks specific details regarding whether an evaluation was conducted, its findings, or future plans.

14 Table 2: Home Energy Assessment - Heat Pumps Home Energy Assessment - Heat Pumps 2023 Actuals 2024 Actuals 2025 Forecast 2026 Extension Investment ($M)a $0.6 $1.3 $1.7 $1.0 First Year Energy Savings (GWh) 3.9 4.5 4.7 3.2 Lifetime Benefi...

AI summary Table 2 provides data on investment, energy savings, and lifetime benefits for heat pumps under the Home Energy Assessment program. The table includes figures for 2023, 2024, 2025, and 2026, with investments and savings decreasing in the latter years. The data is modeled using HOT2000 software, and E1 has estimated the isolated heat pump investment and savings.

6 (b) E1 has not finalized whether remote energy assessments with heating system upgrade 7 recommendation reports will be a component of a streamlined offering. E1 will be 8 reviewing the Green Heat results for the remainder of 2025 compar...

AI summary E1 is evaluating whether remote energy assessments with heating system upgrade recommendations will be part of a streamlined offering. They will compare Green Heat results from 2025 with 2026 projections to determine if this approach will meet desired outcomes.

M12249 – EfficiencyOne (E1) Application for Approval of the 2026 DSM Extension 1 E1 has established a six-year evaluation plan to evaluate these changes (which include 2 market actor interviews, surveys and sales data) at set intervals (i....

AI summary EfficiencyOne (E1) has proposed a six-year evaluation plan for the 2026 DSM Extension, including market assessments and evaluation of household installations of heat pump water heaters (HPWHs). The response to Request IR-28 outlines a proposed budget of $3.0 million for 2026 activities, including development of the 2027-2031 DSM Resource Plan and engagement with the DSMAG.

4 Table 1: Low-income and Equity Incidental 2023 and 2024 Energy Savings by Program Component Program Component 2023 Low income & Equity Energy Savings (GWh) 2023 Total Program Energy Savings (GWh) 2023 Proportion of Low income & Equity (%...

AI summary Table 1 presents energy savings data for low-income and equity programs in 2023 and 2024, showing the contribution of various program components. Efficient Product Installation had the highest savings in both years, while Residential Behaviour and Business Energy Rebates showed varying levels of impact.

6 Table 2: Low-income and Equity Incidental 2023 and 2024 Demand Savings by Program Component Program Component 2023 Low income & Equity Demand Savings (MW) 2023 Total Program Demand Savings 2023 (MW) 2023 Proportion of Low income & Equity...

AI summary Table 2 provides data on low-income and equity incidental demand savings by program component for 2023 and 2024. It highlights the contribution of various programs such as Efficient Product Installation and Business Energy Rebates to overall demand savings, with varying proportions of low-income and equity savings.

8 Table 3: Low-income and Equity Incidental 2023 and 2024 Expenditures by Program Component 2023 Low 2023 2024 Low 2024 income & 2023 Total Proportion income & 2024 Total Proportion Program Equity Expenditures of Low Equity Expenditures of...

AI summary Table 3 outlines the low-income and equity incidental expenditures for 2023 and 2024 by program component. The data shows expenditures for various programs such as Efficient Product Installation and Residential Behaviour, along with their proportions of low-income and equity expenditures.

EfficiencyOne (E1) Responses to Industrial Group (IG) Information Requests NON-CONFIDENTIAL 1 Request IR-03: 2 3 Reference: E-2 Verification Report, Section I. Residential Behavioural Program (Efficiency 4 Insights). 5 6 Preamble: In the V...

AI summary EfficiencyOne (E1) disagrees with certain recommendations from the Verification Report regarding the Residential Behavioural Program, particularly those suggesting the program should be reclassified as a marketing initiative. E1 acknowledges the correct evaluation of the program's 6.27 GWh energy savings but is awaiting a decision from the Nova Scotia Energy Board (NSEB) before implementing changes.

Methods Project: Methods for Determining Energy Efficiency Savings for Specific Measures, section 3.2.1 Quantifying the Compressed-Air Leakage, page 17. (E1) and the Evaluator (Econoler) to allow industrial participants to identify leaks w...

AI summary EfficiencyOne (E1) and Econoler argue that industrial facilities should not be required to perform impractical system leak-down tests for compressed-air leakage, as outlined in the Uniform Methods Project (UMP). The current UMP method requires shutting down production and compressors, which is operationally challenging.

In 2024 for business, non-profit and institutional (BNI) customers, E1 continued with the Commercial and Industrial Aggregator and introduced domestic hot water direct load control, smart thermostat direct load control, and EV telematics a...

AI summary In 2024, E1 introduced new demand response and energy efficiency programs for BNI customers. However, Mr. Peach's recommendation regarding the practicality of demand response savings may lead to the elimination of these programs in the 2026 DSM Extension, affecting E1's ability to support NS Power in managing demand.

Date Filed: July 3, 2025 E1 (IG) IR-05 Page 4 of 4 1 Request IR-06: 2 3 Reference: E-2 Verification Report, page 72. 4 5 SVR24-G-1. The Savings Verification study recommends acceptance of the 6 2024 evaluation estimates for energy savings...

AI summary The document discusses the Savings Verification Study's recommendations for energy savings and demand reduction, excluding certain programs such as the Residential Behavior program and parts of the BNI Custom Incentive Program. It requests a restatement of energy savings, performance targets, unit costs, and program delivery approaches for 2024 and 2025.

11 Table 2: Cumulative 2023-2024 period Evaluated 2023 2024 Adjusted Total 2023-2024 Savings2 Savings Savings Net Electrical Energy Savings (GWh) 131.6 157.7 289.3 Net Peak Demand Savings (MW) 27.6 29.7 57.3 Net Available Capacity (MW) 2.4...

AI summary Table 2 presents cumulative energy savings and capacity data for the 2023-2024 period, showing increases in both net electrical energy savings and net peak demand savings, with no change in net available capacity for 2024.

13 Table 3: 2023-2025 (with adjusted 2025 forecast) Evaluated 2023 Savings3 2024 Adjusted Savings 2025 Forecast Savings with Adjustments4 2023-2025 Savings Net Electrical Energy Savings (GWh) 131.6 157.7 108.6 397.9 Net Peak Demand Savings...

AI summary The table provides energy savings data from 2023 to 2025, including net electrical energy savings, peak demand savings, and available capacity. Adjustments to the 2025 forecast are noted, such as the removal of certain savings due to recommendations from the Savings Verification Review report. E1's results are restated with and without adjustments, while low-income and equity programs remain unaffected.

7 Table 4: Restated 2023-2025 results without and with Mr. Peach's adjustments as compared to the Approved 8 2023-2025 Performance Targets 2023-2025 Savings Without Adjustments 2023-2025 Savings With Adjustments 2023- 2025 UARB Approved Ta...

AI summary Table 4 compares 2023-2025 energy savings results with and without Mr. Peach's adjustments against approved targets. The results show significant variances, and accepting the Savings Verification Review report recommendations could impact the 2026 DSM Extension performance targets.

1 Table 5: Energy Efficiency Overall Unit Cost In 2023, 2024 and the 2023-2024 Cumulative Period 2023 First-Year Unit Cost 2024 First-Year Unit Cost 2023-2024 Cumulative First-Year Unit Cost 2023 Plan as Approved ($/kWh) 2023 Results ($/kW...

AI summary Table 5 presents the energy efficiency overall unit cost for 2023, 2024, and the cumulative period of 2023-2024, showing approved plans and results, including revised results assuming savings verification review recommendations are accepted by the NSEB.

1 Request IR-07: 2 3 Reference: E-2 Verification Report Program-Specific Recommendations pages 73-75. 4 5 Please discuss qualitatively and quantitatively, what actions E1 is taking to reflect and respond 6 to each of these recommendations:...

AI summary The document outlines EfficiencyOne's (E1) responses to the Industrial Group's (IG) information requests regarding Program-Specific Recommendations from the E-2 Verification Report. E1 refers to previous responses and indicates that some recommendations will be addressed in the 2025 evaluation, while others require further clarification or resource assessment.

correctly followed the relevant protocols, but a problem with the protocols is that they do not take into account the very large sample size problem. For very large sample sizes statistical significance loses meaning and it is necessary to...

AI summary The text discusses the importance of practical significance over statistical significance in program evaluation, particularly in the context of large sample sizes. It raises questions about the roles of the verifier and evaluator, and the definition of practical value in energy savings and demand reduction.

Below is the printout of the results of this test for the high users (wave 1), medium users (wave 2) and low users (wave 3). The test provides multiple results, but, for the purpose of our analysis, the Evaluator analyzed the p-values high...

AI summary The analysis examines participation levels in energy efficiency programs (GH, HEA, EPI) using p-values from a two-tailed test with a 10% significance level. Statistically significant differences were found for GH and EPI, but not for HEA, indicating varying effectiveness across programs.

Wave 2 – Medium users Two Sample Test for Proportions 2 3 Refer to M12249, Exhibit E-2, 2024 Peach Report, Section X, Individual Program Component 4 Review, subsection B. Instant Savings (IS), pages 21-22, under Evaluator Findings on p. 22...

AI summary The text discusses the Instant Savings (IS) program's performance in 2024, highlighting that it exceeded planned energy and peak demand savings targets. It also notes a decrease in free ridership for LED lamps and fixtures and a discrepancy between evaluated and tracked savings values. A question is posed regarding the cause of the difference in net energy and peak demand savings.

EfficiencyOne (E1) Responses to Small Business Advocate (SBA) Information Requests NON-CONFIDENTIAL - 1 resulted in a change to unitary energy savings for LED lighting measures and updated the - 2 free-ridership level for LED lamps and fix...

AI summary EfficiencyOne (E1) applied 2024 evaluation findings to adjust 2025 tracked energy savings, noting a 7.7% decline in BER evaluated savings due to reduced LED Linear Lamp sales. The 2024 Peach Report recommended updating BER baselines to reflect current DesignLights Consortium standards, with no further study deemed necessary.

1 Response IR-1-c: - 2 For Green Heat, the evaluation found that the medium user treatment group had a 0.2% - 3 participation rate compared to the 0.1% participation rate for the control group (a difference of one - 4 tenth of one percent)...

AI summary The evaluation of Green Heat's medium user group showed a 0.2% participation rate versus 0.1% in the control group (a 50% relative difference), but the response argues this is not practically significant. The program is deemed to have minimal energy savings per household, functioning mainly as a marketing tool. Redesigning the program to focus on marketing and measure-based bill reductions is recommended.

14 Response IR-2-b: - 15 No, we do not believe that an average or mean value is fully representative of participant outcomes. - 16 Instead, the combination of the two questions (dispersion and measures of central value) should - 17 capture...

AI summary The response argues that using an average or mean value is not sufficient to represent participant outcomes in energy efficiency programs. It suggests using graphs to identify subgroups, clusters, or anomalies in energy savings data and highlights concerns about the small average savings from behavioral programs possibly being skewed by physical energy-saving measures in some homes.

1 Request IR-3: 2 3 Reference: 2024 Savings Verification, p. 53: 4 5 "… we have only the metered (AMI) based result, which is a black box …" 6 7 a. What do the authors mean that AMI data is a "black box"? 8 b. Do the author's consider engi...

AI summary The text discusses concerns about the use of AMI data in energy savings verification, referring to it as a 'black box.' The authors argue that while AMI data is useful, it lacks transparency in identifying the physical causes of energy savings. They emphasize the value of combining engineering calculations with meter data for better understanding and verification of energy savings.

7 1 Request IR-4: 2 3 Reference: 2024 Savings Verification, p. 54: 4 5 "Currently, behavioural RCTs, of which the current program is an example, are black boxes. There 6 is no coherent specification of the mechanism or warrant, either of s...

AI summary The response discusses the effectiveness of Home Energy Reports (HERs) in residential behavioral programs, noting they provide standard energy-saving recommendations but have minimal impact at the household level. At the system level, the program's energy savings are calculated as 6.270 GWh, which is a very small percentage of the total system requirement, suggesting limited utility in utility planning.

8 Response IR-5: 9 We do not have a specific number for real energy savings. Here is why: Our role is to flag 10 problems, so that they can be discussed and considered. This is how our role contributes to policy 11 development and planning...

AI summary The respondent explains that real energy savings cannot be quantified specifically, as savings depend on utility system planning, customer type, and subjective customer perceptions of effort and cost. They emphasize the need for discussions with customers during site visits to understand residential perceptions of meaningful savings.

- Refer to M12249, Exhibit E-2, Savings Verification Review of Program Year 2024 Evaluation - Results, Report for the Nova Scotia Energy Board (2024 Peach Report), June 4, 2025, authored by - H. Gil Peach & Associates, (Peach). Section IX....

AI summary The Savings Verification Review (SVR24-G-1) recommends accepting 2024 evaluation estimates for energy savings and demand reduction, except for four programs. These include the Residential Behavior Program and three Demand Response programs, which are noted for not producing practical energy savings or demand reduction. The report highlights a limitation in evaluation protocols regarding very large sample sizes and the need for practical significance over statistical significance.

Response IR-1-b: - Yes, the role of the verifier is applied science. In science a commitment to the goal of truth is one - of the most basic of science community norms. It is a norm that often requires proactive assertion. - "Defining the...

AI summary The response emphasizes the verifier's role in ensuring scientific integrity by identifying program flaws and prioritizing practical significance over statistical significance. It highlights issues with weak energy savings results in 2024 evaluations and ethical obligations to report problems to Efficiency Nova Scotia and NSEB. The shift toward practical significance reflects the American Statistical Association's 2016 guidance.

Request IR-2: - Refer to M12249, Exhibit E-2, 2024 Peach Report, Section IX, General Recommendations, - including Recommendation SVR24-G-2, which states, at page 17: SVR24-G-2. The Evaluator should flag programs which the evaluation demons...

AI summary Request IR-2 seeks clarification on programs with minimal savings under the DSM Plan, asking which should be closed, their cost percentage, funds freed by closure, and the meaning of 'spend available energy efficiency dollars more effectively' as per Peach Report Recommendation SVR24-G-2.

Response IR-2-a: - We are not recommending the evaluation consultant flag any of the programs for closing. We are - recommending the flagging of any exceptionally weak program that appears not to be returning - practical value at the custo...

AI summary The response outlines a framework for evaluating demand-side management programs, stating that only exceptionally weak programs with insufficient energy savings or demand reduction should be flagged for closure. Programs below a reasonable performance threshold should be improved or cancelled to enhance productivity relative to investment.

Paired Samples 9 Statistics Mean N Std. Devia ition Std. Er ror Mean ir 1 V1 44952.9043 30758 108.56 204 .61901 V2 11923.6974 30758 13877.49 449 7 79.12833 Paired Sar nples Cor relations S ignificance N Correlation One-Side dp Two-Si ded p...

AI summary The document references a request for clarification regarding 'savings at the generator' in the context of Instant Savings (IS) program findings and asks for an explanation of the difference between savings at the generator and savings on a customer's bill. It also requests an explanation of the fifth bullet point regarding the discrepancy between evaluated savings and those tracked by Efficiency Nova Scotia.

exact understanding of the differences. 1 Request IR-5: 2 Refer to M12249, Exhibit E-2, 2024 Peach Report, Section X, Individual Program Component 3 Review, subsection J. BNI Efficient Products Rebates (BER), pages 58-60, which states, at...

AI summary The 2024 Peach Report discusses a 7.7% decline in evaluated savings for the BNI Efficient Products Rebates (BER) program compared to 2023, primarily due to a 41% decline in LED Linear Lamps incentives. Despite this, the Net to Gross Ratio (NTGR) for instant rebates slightly improved from 81% to 84%, reducing year-on-year declines. The report recommends updating baselines for BER and IR rebates to align with current market practices.

Response IR-5-b: - The BNI Efficient Products Rebates (BER) evaluation slightly increases the Net to Gross Ratio - (NTGR) from 81% in 2023 to 84% in 2024, but this does not fully offset the decline in savings. - However, this is not relate...

AI summary The BNI Efficient Products Rebates (BER) evaluation slightly increases the Net to Gross Ratio (NTGR) from 81% in 2023 to 84% in 2024, but this does not offset declining savings. Changing BER and IR rebate baselines is unrelated to NTGR and instead reflects market transformation in indoor lighting efficiency, requiring the evaluator to use the market transformation paradigm to explain program changes.

ell as other countries. The diagram we use for NSEB today comes from that varied and direct experience. The diagrams are "living documents" that change over time, since policy and planning, as well as understandings of statistics and metho...

AI summary The text discusses the origin of DSM diagrams used by NSEB, created by Clark Gellings at the Electric Power Research Institute. It references a 1988 meeting in Paris with OECD and highlights the Hood River Conservation Project as a demonstration of residential energy conservation efforts.

5 Response IR-05: 4 13 6 Figure 3, from Page 11 of the 2024 Verification Report is reproduced below. The purpose of the 7 Figure is to show the contrast in effective for the programs. Each of the programs shown in the 8 figure has a lifeti...

AI summary The text discusses Figure 3 from the 2024 Verification Report, highlighting varying lifetimes of energy savings for programs (20–27 years vs. 1 year). It notes that not all program components achieve net savings and excludes two Demand Response (DR) programs, as they focus on reducing demand rather than energy savings.

1 Request IR-06: - 2 Please confirm whether the methodology used in quantifying net lifetime energy savings was - 3 consistent with current methodological guidance for evaluating energy efficiency programs.

AI summary Request IR-06 seeks confirmation on whether the methodology for quantifying net lifetime energy savings in energy efficiency programs aligns with current methodological guidance. The focus is on ensuring consistency in evaluating program effectiveness.

5 Response IR-06: 4 11 - 6 The method for quantifying net lifetime energy savings was selected by the evaluation consultant - 7 and the numbers used in Verification report are provided in Table 5 on Page 16 of the evaluator's - 8 Overall E...

AI summary The response details the evaluator's methodology for quantifying net lifetime energy savings in the DSM MA update, including revised EUL values based on literature reviews and alignment with ACEEE guidelines. The approach accounts for baseline evolution over time and calculates adjusted EUL by dividing lifetime savings by first-year savings.

Response IR-9: 6 " Practical value " is used to indicate a test of the magnitude of program results (energy savings 7 or demand reduction), which is separate from statistical significance. For any test of the 8 magnitude of program results...

AI summary Discusses the distinction between practical and statistical significance in evaluating energy efficiency programs, citing the 2016 American Statistical Association's shift towards practical significance. Highlights that large sample sizes in residential programs can lead to statistically significant results with minimal practical value.

Request IR-10: - 2 Reference: page 52 of the 2024 Verification Report: (Section I. Residential Behavioral Program - 3 (Efficiency Insights): Because significance and confidence are driven by number of cases and the cases are joined physica...

AI summary The document challenges the methodology used to determine that system-level energy savings of 6.27 GWh are not meaningful compared to Nova Scotia Power's (NSP) total system requirements of 11,326 GWh. It questions whether savings from small household-level reductions, without physical measures, have practical impact on power plant decisions.

Request IR-12: - 2 Reference: page 64-65 of the 2024 Verification Report (Section X.-K., Evaluation Issue 3-a), the - 3 following was stated: "Observations of total claimed savings for the two locations showed that the cumulative annual cl...

AI summary The evaluation found that the cumulative annual claimed savings for compressed air systems were a substantial portion of total energy demand, which is inconsistent with other sites that have minimal leak detection. The leakage rate is deemed too high and not decreasing as expected.

Request IR12-b: - Please provide calculations along with relevant data used to establish the leak rate at these - locations, and to support the statement that savings at these locations were a substantial portion - of total energy demand f...

AI summary The request asks for calculations and data to determine leak rates at specific locations and to substantiate the claim that energy savings from these locations were a significant portion of total compressed air demand.

- Advocate in assessing the impacts of utility energy efficiency plans and delivery 1 strategies on customers. I have also evaluated DSM program efforts in New 24 offerings (such as the phase out of lighting and the end of the Green Heat a...

AI summary The text discusses the evaluation of energy efficiency programs, noting that while the 2026 energy efficiency portfolio remains cost-effective, the demand response portion is not. The document highlights issues with NSPI's response to E1's recommendations and the lack of targeting constrained areas in DSM efforts. It recommends the NSEB approve the 2026 DSM Extension.

The design objectives for investment in low-income and equity efforts decreased to 15% to 20% of total energy efficiency portfolio investment from 17% to 22% in the 2023-2025 Plan. 2 A. Yes. I have a concern about the current construction...

AI summary The design objectives for low-income and equity investments in energy efficiency have decreased from 17% to 22% in the 2023-2025 Plan to 15% to 20% in the 2026 DSM Extension. Concerns were raised regarding the imbalance in the TRC test and lack of responsiveness from E1 in providing data for cost-effectiveness analysis.

Energy Efficiency Program Cost-Effectiveness

AI summary The document discusses the cost-effectiveness of energy efficiency programs in Nova Scotia, involving organizations like NSPI and EEC. Key acronyms include DSM, E1, PAC, TRC, and NSPI. The analysis focuses on regulatory proceedings related to demand-side management and program administration costs.

1 result, the cost-effectiveness of the energy efficiency portion of the portfolio is 2 declining over time. 3 Table 1. Energy Efficiency Cost, Energy Savings, Benefits, and Cost-Effectiveness from 4 2023 to 2026 2023 Actuals 2024 Actuals...

AI summary The cost-effectiveness of the energy efficiency portion of the portfolio is declining over time, as shown in Table 1, which details energy efficiency investment, savings, benefits, and cost-effectiveness from 2023 to 2026.

11 Q. Why have energy savings decreased for energy efficiency measures from 12 2024 to 2026? A. First-year energy savings decreased by 56.8 GWh from 2024 to 2026. There are several reasons for this decrease, including: 1) the phase out of...

AI summary Energy savings from energy efficiency measures decreased by 56.8 GWh between 2024 and 2026 due to the phase-out of residential lighting measures, the end of the Green Heat and Appliance Retirement program, and updates to measure characterizations.

A. The decrease in benefits is due to lower savings and lower avoided costs.[12](#page-9-1) 19 12 In response to NSEB IR-14, E1 provided a comparison of the avoided costs used in the calculation of benefits and cost-effectiveness for the 2...

AI summary The decrease in benefits is attributed to lower savings and avoided costs. E1 states that the energy efficiency portfolio remains cost-effective in 2026, with benefit-cost ratios of 2.4 (PAC) and 1.6 (TRC).

12 Table 3. Cost-Effectiveness by Energy Efficiency Program Component for 2026 DSM 13 Extension Sector Program Component PAC TRC Residential Energy Efficiency Instant Savings 2.0 1.0 Affordable Multi-Family Housing 1.1 0.6 Affordable Singl...

AI summary Table 3 provides a breakdown of the cost-effectiveness of various energy efficiency program components under the 2026 DSM Extension, including metrics such as Program Administrator Cost (PAC) and Total Resource Cost (TRC) across residential, business, and institutional sectors.

17 A. In its response to Synapse IR-08, E1 provided 2023 and 2024 actual lifetime 18 benefits and 2025 forecasted lifetime benefits for the energy efficiency portfolio 1 as a whole. However, E1 did not break out actual and forecasted lifet...

AI summary E1 provided actual and forecasted lifetime benefits for the energy efficiency portfolio but did not break them down by program component, making it difficult to calculate Program Administrator Costs (PACs) by component. A comparison of PACs by program component for the 2023, 2024, and 2025 plans to the 2026 DSM Extension is provided in Table 4, showing similar planned PACs for certain program components.

Table 8. Comparison of Peak Demand Reductions from Demand Response to Other Jurisdictions (2023 Reduction as a percent of Annual Peak Demand) Note: U.S. Potential is the resource available through enrolled customers. U.S. Actual is the act...

AI summary Table 8 compares peak demand reductions from demand response in 2023 across jurisdictions, noting U.S. potential versus actual reductions. The source is Efficiency Canada's report on demand flexibility in Canada.

3 Q. Did E1 apply the updated avoided T&D costs for the constrained system in 4 the 2026 DSM Extension? - 5 A. No. E1 did not propose to target energy efficiency efforts to the constrained 6 system in the 2026 DSM Extension. As a result, E...

AI summary E1 did not apply updated avoided T&D costs for the constrained system in the 2026 DSM Extension, using system-wide costs instead. Concerns were raised about not targeting DSM efforts to the constrained system, given the high avoided T&D costs there.

13 Q. What do you recommend? - 14 A. NSPI should provide E1 with sufficient detail about location of the constrained 15 system as of the August 2024 avoided cost update to facilitate this targeting (if 16 NSPI has not already provided this...

AI summary NSPI is advised to provide E1 with detailed information on constrained system locations to inform targeting in the 2027-2031 DSM Plan. E1 should develop energy efficiency and demand response strategies for these areas, incorporating their benefits into the plan's analysis. The Standardized Filing Framework should be updated to align with new DSM activities and potential BCA tests.

4. CONCLUSIONS - Q. Please describe your conclusions regarding the 2026 DSM Extension. - A. My conclusions are as follows: Canadian and leading U.S. jurisdictions. • Investment, first-year energy savings, and lifetime benefits reached thei...

AI summary The 2026 DSM Extension remains cost-effective despite declining energy savings and benefits. However, demand response is not cost-effective in 2026. NSPI has not responded to E1's questions regarding avoided costs.

PROFESSIONAL EXPERIENCE Synapse Energy Economics, Inc. , Cambridge, MA. Principal Associate , April 2023 – Present; Senior Associate , June 2013 – April 2023; Associate, July 2008 – June 2013; Research Associate , January 2007 – July 2008....

AI summary The document outlines 18 years of professional experience in demand-side management (DSM) analysis, including work with jurisdictions across the US and Canada. Key activities include evaluating utility energy efficiency plans, assessing DSM program effectiveness, and conducting cost-effectiveness and rate impact analyses. The individual has provided testimony in New Brunswick, Rhode Island, and New Mexico, and supported the Rhode Island Division of Ratepayer Advocate since 2012.

Jeffers, K. Jones, M. DeMenno. 2021. Application of a Standard Approach to Benefit-Cost Analysis for Electric Grid Resilience Investments. Synapse Energy Economics for Sandia National Laboratories. Kallay, J., A. Napoleon, B. Havumaki, J....

AI summary The text lists publications related to energy resilience, infrastructure inequities, climate change impacts, and utility efficiency. Key organizations include Synapse Energy Economics, Sandia National Laboratories, and the Natural Resources Defense Council. Topics focus on grid resilience, energy efficiency, and policy solutions.

TESTIMONY New Brunswick Energy and Utilities Board (Matter No. 552). Evidence regarding review of New Brunswick Power's 2024/25 to 2026/27 DSM Program Initiatives Update. On behalf of the New Brunswick Energy and Utilities Board Staff. Mar...

AI summary The document outlines multiple testimonies from regulatory proceedings in New Brunswick, Rhode Island, and New Mexico regarding energy efficiency programs and utility company initiatives. Each entry details docket numbers, entities involved, and the nature of the testimony provided by regulatory staff and legal offices.

Over three years, the residential sector will see unit costs for first year savings go up nearly three times higher, and lifetime savings unit costs rise over five times higher. In that same time span, low-income savings are projected to b...

AI summary The residential sector's unit costs for first-year and lifetime energy savings are projected to increase significantly over three years, with low-income savings rising over four times higher. These rapid increases raise concerns about affordability and equity in energy efficiency programs.

1 Q. WHAT IS DRIVING THIS INCREASED COST TO ACQUIRE SAVINGS? - 2 A. There are many factors driving this change. One of the main drivers is the retiring of - 3 LED savings from the residential sector, with the effects of this starting in 20...

AI summary The increased cost to acquire savings is driven by retiring residential LED savings starting in 2025, alongside rising program costs and declining savings per participant. Program design and viability require thorough examination in future filings.

17 Q. WHAT DO YOU RECOMMEND REGARDING THE RESIDENTIAL - 18 PROGRAMS ? - 19 A. I recommend that the extension be approved with the modifications discussed further in - 20 my testimony. However, a deep and detailed look should be taken at th...

AI summary Recommends approving the extension with modifications and emphasizes the need for a detailed evaluation of residential energy efficiency programs to ensure cost-effective savings for ratepayers.

20 A. In EfficiencyOne's response to CA IR-02 they give the following for the reason for 21 decreasing the GWh savings for Affordable Multi-Family Housing program: "A decline 1 in energy savings and increase in unit cost is expected as a r...

AI summary EfficiencyOne explains that the Affordable Multi-Family Housing program's energy savings are expected to decrease by 48.7% in 2026 due to the loss of provincial rebate top-up funding. Despite a 36% increase in funding, it is insufficient to offset the loss. Low-income savings are also declining by 23%, and EfficiencyOne recommends allocating an additional $2.1 million to the residential sector to maintain the 55% budget allocation from the 2025 plan.

Measure-Based Program Encouragement Results (Difference of Means) Subgroup Treatment Control (Size of) Difference (Is There a) Claimed Effect н ligh Energy Use HEA 1.6% 1.7% -0.1% No Green Heat 0.4% 0.3% 0.1% Yes EPI 2.0% 1.6% 0.4% Yes Me...

AI summary The table presents measure-based program encouragement results comparing treatment and control groups across different energy use subgroups. Programs such as HEA, Green Heat, and EPI show varying levels of effectiveness, with some programs showing a claimed effect and others not. The results are presented as differences in means.

14 The following table provides the relative increase in participation for customers in the 15 various programs that had observable effects. In the case of high energy users that 16 received Efficiency Insights, there was a 33% increase in...

AI summary The text discusses increased participation in energy efficiency programs, such as the Green Heat and EPI programs, among high and medium energy users who received Efficiency Insights. The data comes from the 2024 Savings Verification Report, page 47, Table 7.

4 Table 4. Relative Effect of Influence on Other Programs Program Cohort Control Treatment % Difference Green Heat High Energy User 0.3% 0.4% 33% Green Heat Medium Energy Use 0.1% 0.2% 100% EPI High Energy Use 1.6% 2.0% 25% 6 When asked ab...

AI summary The text discusses the relative effect of influence on energy efficiency programs, referencing a table that shows differences in participation rates between control and treatment groups. It also includes a discussion between Mr. Peach and another party regarding the practical impact of a 0.1% difference in participation, with the latter arguing that it could be significant given the scale of the Residential Behavioral Program.

1 Q. DO THE SAVINGS FOUND FOR THE EFFICIENCY INSIGHTS PROGRAM 2 HAVE VALUE AT THE SYSTEM LEVEL? - 3 A. Yes, and EfficiencyOne specifically calculates that value as part of its cost benefit 4 analysis. This is done by taking the load shape...

AI summary The Efficiency Insights Program's savings are valued at the system level through EfficiencyOne's cost-benefit analysis, which considers avoided capacity, generation costs, and emissions. This approach goes beyond what was implied in the 2024 Savings Verification Report.

17 Q. DO YOU AGREE WITH THIS RECOMMENDATION? - 18 A. No. The goal of the Efficiency Insights Program was never to achieve very significant 19 savings per household, but to achieve a smaller average amount of savings across a large 20 popul...

AI summary The respondent disagrees with the recommendation, stating that the Efficiency Insights Program aimed for smaller average savings across a large population rather than significant savings per household. They also reject the claim that these savings have no value, citing previous evidence. The question then asks if there is room for improvement in the program's outcomes.

- 24 A. Yes. Average savings are below the projected values assumed by EfficiencyOne, and 25 there should be effort put into improving average savings value and increasing 1 conversion rates to other programs. Mr. Peach's recommendation fo...

AI summary The testimony highlights that average energy savings are below projected values by EfficiencyOne, recommending efforts to improve savings and increase conversion rates. The witness suggests reallocation of funds, adjustments to low-income allocations, and continuation of savings from the Efficiency Insights program.

- Providing regulatory support to the Massachusetts Office of the Attorney General on the Mass Save portfolio of programs and review of Eversource's geothermal network pilot. - Providing regulatory and policy analysis assistance to the Sma...

AI summary The text outlines professional experience in providing regulatory and policy analysis for energy efficiency programs across multiple jurisdictions, including Massachusetts, California, Ontario, Nova Scotia, and New Jersey. It highlights work with various organizations and utilities on energy efficiency initiatives and regulatory support.

Development and Implementation of Energy Efficiency and Conservation Plans UGI Utilities, Inc. – Pennsylvania (June 2015 – Present) Assist UGI Utilities, Inc. and PNG with the development and approval of Energy Efficiency and Conservation...

AI summary The text outlines the development and implementation of energy efficiency and conservation plans for UGI Utilities, Inc. and PNG Gas, including the design and submission of testimony for multiple five-year plans with specific funding amounts and docket numbers.

Program Management and Benefit Cost Analysis Expert Public Service Enterprise Group (PSE&G) – New Jersey. (Oct 2021 – Apr 2023, Feb 2024 - present) - Consulted on tracking, forecasting and management of PSE&G's internally run commercial En...

AI summary The expert provided program management and benefit-cost analysis services for PSE&G's energy efficiency programs in New Jersey, including tracking system development, economic test calculations, and training material creation. Work spanned 2021–2023 and 2024, involving collaboration with ANB Enterprises and implementation across seven utilities.

Development and Regulatory Support for DSM Portfolio Columbia Gas of Pennsylvania - Pittsburgh, Pennsylvania (February 2022 – Present) - Successfully developed, provided regulatory support for, and got approval of a three-year voluntary ga...

AI summary Columbia Gas of Pennsylvania developed and secured regulatory approval for a three-year voluntary gas energy efficiency plan under Docket No. P-2014-2459362, later updating it in 2024 under Docket No. R-2024-3046519 as part of a rate case proceeding. Ongoing implementation support is provided for the plan.

Natural Gas Efficiency Options and EE&C Plan for Peoples Natural Gas Peoples Natural Gas, Inc. – Pennsylvania (September 2017 – February 2019) - Prepared report on program, sector, and portfolio-level cost and savings for 29 natural gas ad...

AI summary Peoples Natural Gas, Inc. prepared a report analyzing natural gas efficiency opportunities across 29 administrators in 11 states, recommending DSM initiatives. They developed a $42 million Energy Efficiency and Conservation (EE&C) Plan and provided ongoing testimony to support its adoption.

Analytic and Technical Support for DSM Tracking Systems PECO Energy Company – Pennsylvania (September 2016 – December 2017) Commonwealth Edison Company – Illinois (August 2017 – August 2018) Companywide (September 2020 – December 2023) - S...

AI summary The text details work on DSM tracking systems from 2016-2023, including roles at PECO Energy and Commonwealth Edison, development of dashboards, automation of reporting, cost effectiveness modules, and audit tools for programs like ComEd's Carbon Free School Assessment Program.

Technical Assistance for Energy Efficiency Program Planning - Developed multivariable regression model and framework to estimate the cost per kW to address a reliability gap in the St. Albans region with targeted energy efficiency. - Revie...

AI summary The text outlines technical assistance efforts related to energy efficiency program planning, including the development of a multivariable regression model, analysis of program proposals for a community energy fund, and preparation of a report on renewable generation benefits.

Analysis of Energy Efficiency in British Columbia BC Sustainable Energy Association & Sierra Club BC, British Columbia (May 2011 – June 2014) - Provided comments and energy efficiency opportunities report for proceedings on FortisBC Gas an...

AI summary The BC Sustainable Energy Association and Sierra Club BC contributed to regulatory proceedings in British Columbia from 2011–2014 by providing energy efficiency analysis, technical support, and testimony on FortisBC and BC Hydro's demand-side management (DSM) plans before the British Columbia Utilities Commission (BCUC).

Energy Efficiency Potential in Oklahoma Sierra Club, Oklahoma (April 2011 – November 2011, December 2013 – January 2014) - Provided updated report for energy efficiency in Oklahoma and additional comments on PUC rulemaking for electric and...

AI summary Sierra Club provided an updated energy efficiency report for Oklahoma, assisted with PUC rulemaking comments, worked on the US regional haze plan, and gave expert testimony for Oklahoma Gas & Electric's rate case before the Corporation Commission of Oklahoma.

Technical Assistance for Energy Efficiency Programs Focus on Energy - Wisconsin (June 2011 – August 2013) - Developed and customized cost-effectiveness calculators for Wisconsin's Focus on Energy portfolio of energy efficiency programs; -...

AI summary Focus on Energy in Wisconsin (2011–2013) developed cost-effectiveness calculators, trained staff, and conducted QA/QC on 14 energy efficiency programs with $160M in spending over two years.

Chicagoland Energy Efficiency Portfolio People's Gas - Chicago, Illinois (September 2008 – January 2013) - Providing ongoing regulatory support; - Provided cost-benefit analysis of various program scenarios and aided in the analysis of con...

AI summary People's Gas provided regulatory support, conducted cost-benefit analyses for energy efficiency programs, evaluated contractor bids, and developed customized Excel tools for portfolio and cost-effectiveness analysis from 2008 to 2013 in Chicago, Illinois.

Testimony Support for Expanding Gas Energy Efficiency in Pennsylvania Citizens for Pennsylvania's Future, Pennsylvania (July 2013 – September 2013) - Provided support on preparation of testimony regarding Peoples Gas of Pennsylvania's DSM...

AI summary Citizens for Pennsylvania's Future supported the preparation of testimony for Peoples Gas of Pennsylvania's DSM plans, including creating a benchmarking report and alternative scenario projections from July 2013 to September 2013.

Energy Efficiency Potential in Texas Sierra Club, Texas (May 2012 – August 2012) - Research and development of alternative energy efficiency potential scenarios for the ten investor owned utilities (IOUs) in Texas; - Development of comment...

AI summary The Sierra Club conducted research on energy efficiency scenarios for Texas's ten investor-owned utilities (IOUs) between May and August 2012. Activities included developing comments for the Public Utility Commission of Texas and preparing a presentation for the Energy Efficiency Incentive Program Committee.

Austin Energy's Energy Efficiency Potential Austin City Council Consumer Advocate, Austin, Texas (April 2012) - Research and development of alternative energy efficiency potential scenarios for Austin Energy.

AI summary Austin Energy is conducting research and development to explore alternative energy efficiency potential scenarios, supported by the Austin City Council Consumer Advocate.

Nevada Power's Energy Efficiency Potential Sierra Club, Nevada (November 2011 – June 2012) - Research on Nevada Power's Integrated Resource Plan (IRP) and development of alternative energy efficiency potential projections.

AI summary Sierra Club conducted research on Nevada Power's Integrated Resource Plan (IRP) and developed alternative energy efficiency potential projections from November 2011 to June 2012.

Comments on EmPower Maryland Programs Sierra Club, Maryland (September 2011 – October 2011) - Research for and development of comments on EmPower Maryland's energy efficiency programs, including the development of alternative energy effici...

AI summary Sierra Club conducted research and developed comments on EmPower Maryland's energy efficiency programs during September–October 2011, focusing on alternative energy efficiency potential projections. The analysis aimed to evaluate and propose modifications to the programs' methodologies.

Ontario Power Authority Field Audit Support Tool Green Communities Canada - Ontario, Canada (January 2011 – May 2011) - Collected and implemented specifications for updating the tool used by Ontario Power Authority's low-income program fie...

AI summary Green Communities Canada worked with the Ontario Power Authority from January to May 2011 to update a field audit support tool for low-income programs. The project involved implementing specifications, adding customer input forms, saving routines, and database import capabilities to improve data collection and net present value calculations.

Energy Efficiency Potential in Arkansas Sierra Club/Audubon Society, Arkansas (September 2009 – March 2010) - Research and drafting assistance for expert testimony on energy efficiency' as an alternative to the White Bluff Steam Electric S...

AI summary The Sierra Club and Audubon Society conducted research and prepared expert testimony promoting energy efficiency as an alternative to the White Bluff Steam Electric Station. This was part of a proceeding before the Public Service Commission of Arkansas (Docket No. 09-024-U) from 2009-2010.

Training for NGOs Working on Energy Efficiency Projects in China ISC and NRDC – United States and China (August 2008 – September 2010) - Developed training materials and provided remote and in-person training sessions on the economic and f...

AI summary This document outlines a training initiative for NGOs working on energy efficiency projects in China, conducted by ISC and NRDC from 2008 to 2010. The initiative focused on economic and financial analysis of industrial retrofit projects and included collaboration with local organizations in Guangdong and Jiangsu Provinces.

Connecticut's Long Term Acquisition Plan Connecticut Office of the Consumer Council – Connecticut (August – October 2008) - Provided research and support for expert testimony regarding long-range energyefficiency procurement plan of the En...

AI summary The Connecticut Office of the Consumer Council provided research and support for expert testimony on the Energy Conservation Management Board's long-range energy efficiency procurement plan from August to October 2008.

Energy Efficiency Plans of BC Hydro and Terasen Gas BC Sustainable Energy Association and The Sierra Club - British Columbia, Canada (October 2008 – March 2009) - Provided research and support for expert testimony and technical support on...

AI summary The BC Sustainable Energy Association and Sierra Club Canada provided research and expert testimony support to assess BC Hydro's DSM plan and Terasen Gas conservation plans before the BCUC from October 2008 to March 2009.

Testimony and Proceeding Participation Forum On Behalf Of Docket/Matter Date Issues Addressed Massachusetts Department of Public Utilities Massachusetts Office of the Attorney General D.P.U. 24-140 through D.P.U. 24-149 - 2025-2027 Three-Y...

AI summary This section lists various regulatory proceedings and testimonies from different states, focusing on energy efficiency plans, rate cases, and wildfire mitigation costs. Key issues addressed include policy design, incentive structures, cost-effectiveness, and plan development.

E1 Response In its response to Synapse IR-08, E1 provided excel spreadsheets showing actual lifetime benefits for energy efficiency, demand response, as well as these two components combined, for the requested years, and explained the limi...

AI summary E1 responded to Synapse's request for actual retroactive benefit-cost data, explaining limitations due to lack of verified customer and utility costs. Synapse recommended including PAC and TRC results in annual reporting, while E1 agreed to report PAC but not TRC due to complexity and cost. E1 proposed reporting PAC results in the 2025 Annual Progress Report.

Synapse Synapse states: NSPI should provide E1 with sufficient detail about location of the constrained system as of the August 2024 avoided cost update to facilitate this targeting (if NSPI has not already provided this information). E1 s...

AI summary Synapse requests NSPI to provide detailed location data on constrained systems by August 2024 to enable E1 to develop energy efficiency and demand response strategies for the 2027-2031 DSM Plan. E1 must also incorporate benefits from constrained systems into the plan's benefit-cost analysis.

development which is extremely helpful, however, E1 would also require that NS Power provide the list of customers mapped to those substation Ibid., page 21, lines 14-20. 1 locations that are the most constrained. This information is requi...

AI summary E1 requests NS Power to provide customer data mapped to constrained substations for designing locational DSM strategies. E1 also discusses updates to the Standardized Filing Framework with DSMAG. Green Energy highlights system-level value of Efficiency Insights Program savings, citing BCA methods. Synapse recommends DSMAG engagement for framework updates.

3.3.2 EFFICIENT PRODUCT INSTALLATION

AI summary Section 3.3.2 discusses efficient product installation in the context of a Nova Scotia regulatory proceeding, though no detailed arguments or data are provided in the extracted text.

E1 Response E1 will carry out, as part of the 2027-2031 DSM Plan development, a comprehensive review of the residential energy efficiency program offerings. E1 plans to work with the Consumer Advocate, Green Energy, and other stakeholders...

AI summary E1 commits to reviewing residential energy efficiency programs as part of its 2027-2031 DSM Plan, ensuring costs are reasonable and aligned with market conditions. Collaboration with stakeholders like the Consumer Advocate and Green Energy is emphasized, along with referencing Quarterly and Annual Reports for cost drivers.

Introduction Econoler was commissioned by E1 to evaluate E1's 2024 DSM program portfolio, including the Residential Behaviour program component. E1's Residential Behaviour program component, publicly branded as Efficiency Insights, constit...

AI summary Econoler evaluated E1's 2024 Residential Behaviour program (Efficiency Insights), which uses NS Power data and Bidgely's algorithms to generate personalized energy reports for customers. The program aims to reduce electricity consumption through behavioral change, with Econoler conducting a randomized controlled trial to assess its impact.

evaluation protocols:[5](#page-22-2) …The evaluator should provide a business case for why the small savings per household or at the utility level justify funding the program as currently designed. Econoler does not agree with this suggest...

AI summary Econoler argues that evaluators should not be responsible for justifying the business case of programs but should instead provide data-driven energy savings estimates. Program Administrators should assess cost-effectiveness and make business decisions, considering factors beyond savings size, such as baseline changes and free-ridership rates.

Econoler Response: Econoler does not agree that due to the effect size at the household level, a savings claim for the program does not make sense. - Behaviour change initiatives are designed to make small, simple changes in how individual...

AI summary Econoler argues that residential behavior programs should claim energy savings if measurable, even with small per-household effects. The program achieved 6.270 GWh savings (0.34%-0.62% annual household consumption), consistent with other jurisdictions. Savings are comparable to E1's LED lamp program (0.113 kWh/day).

Econoler Response: Econoler disagrees that the 2024 evaluated energy savings for Residential Behaviour should not be accepted and that this program should have been flagged for not producing practical energy savings. As explained in detail...

AI summary Econoler argues that the 2024 Residential Behaviour program's energy savings should be accepted, citing industry-wide use of residential behavior as DSM programs and statistically significant metering data. The Peach Report recommends reclassifying the program as a marketing tool rather than a direct energy-saving initiative due to insufficient household-level savings.

Residential DR - › Practical value at the utility system level: The Residential DR program component is not required to generate savings or demand reduction of practical value at the utility system level since it is still in the early stag...

AI summary The Residential DR program is in early stages, focusing on testing new technologies rather than immediate system-level savings. Econoler argues that small household-level reductions aggregate to meaningful capacity, citing examples like thermostats. The Verifier disputes claims of 'very large sample size,' noting only 199 of 272 projects were analyzed, making statistical significance applicable.

Reply Evidence The Savings Verification Review of Efficiency Nova Scotia Program Year 2024 Evaluation Results (the "Peach Report") authored by H. Gil Peach & Associates ("the Verifier") for the Nova Scotia Energy Board, and filed on June 5...

AI summary The Peach Report evaluates two compressed air leak projects under EfficiencyOne's Custom Retrofit service, with Econoler's reply evidence in response, filed as Exhibit E-2 in Matter M12249. The report includes observations and recommendations regarding the projects' evaluation.

Econoler Response: Econoler recognizes that the Uniform Methods Protocol (UMP) recommends ultrasonic leak detectors for leak detection and leak-down tests for leak rate quantification. However, while ultrasonic detectors are not as accurat...

AI summary Econoler supports using ultrasonic leak detectors for compressed air leak projects, citing their sufficient accuracy for energy savings estimation when used by trained technicians. They argue leak-down tests are impractical and costly, noting other jurisdictions do not require them. Training by E1 and past acceptance of ultrasonic methods are highlighted as key reasons.

2. Chain of Events The Peach Report states as follows in relation to the chain of events surrounding the two compressed air leak projects being discussed: [37](#page-43-0) The result of this methodology produces estimates that are unverifi...

AI summary The Peach Report criticizes the methodology for compressed air leak projects, arguing that it produces unverifiable estimates. The approach uses a non-UMP protocol-compliant device to assess leaks, leading to no records of leaks post-repair and inability to verify repair effectiveness.

Econoler Response: Econoler disagrees with this assertion, and specifically disagrees with the statement, that there are no records of the leaks having existed or no way to check how much they were leaking. The participant submitted detail...

AI summary Econoler disputes claims of missing leak records, citing detailed files with leak locations, rates (CFM), and repair data. E1 supported the customer with training and tools for compressed air leak management. Econoler's evaluation process includes reviewing documents with leak details, repair logs, and energy loss metrics.

3. Pattern of Reported Savings The Peach Report states as follows in relation to leakage rates for the two facilities under consideration: [38](#page-43-1) Observations of total claimed savings for the two locations showed that the cumulat...

AI summary The Peach Report notes that cumulative savings claims at two facilities represent a significant portion of compressed air energy demand, with leakage rates far higher than typical. This anomaly, unlike other sites with minimal leak detection, raises concerns about special site conditions. The Evaluator is urged to investigate and explain this discrepancy.

4. Maintenance Issue The Peach Report states as follows in relation to the customer's lack of ongoing maintenance of compressed air leaks: [41](#page-44-2) It is not clear why an organization with multiple similar sites located worldwide w...

AI summary The Peach Report criticizes the customer's failure to maintain compressed air leaks, suggesting that corporate policies and existing standards should have addressed the issue without ongoing DSM funding. It references successful integration of practices in other DSM programs and corporate sectors, emphasizing the need for evaluators to review client policies.

Econoler Response: Based on Econoler's experience, in large industrial facilities similar to both sites under consideration, electricity savings generated by compressed air leak repairs may represent only a small share of facility-wide ann...

AI summary Econoler notes that compressed air leak repairs yield minimal electricity savings (3-4%) and are not a corporate priority without DSM programs. Free-ridership is measured via self-report interviews, confirming the two projects likely wouldn't have occurred without the program.

Econoler Response Econoler disagrees that the M&V requirements for compressed air leak projects submitted through the Custom Retrofit service be adjusted to strictly follow the leak-down method put forth by the UMP, as this method could pr...

AI summary Econoler opposes adjusting M&V requirements for compressed air leak projects under the Custom Retrofit service to strictly follow the UMP's leak-down method, arguing it may be prohibitively costly and limit customer participation. They assert current requirements align with industry standards.

y efficiency programs include: - Efficient Product Rebates - Business Energy Rebates - Custom Incentives - Custom - Strategic Energy Management - Direct Installation - Small Business Energy Solutions [16] The 2026 DSM Extension investment...

AI summary The 2026 DSM Extension investment in energy efficiency programs reflects a shift in focus from lighting to non-lighting measures in residential programs, with BNI sector programs expected to generate a larger share of savings. This change is attributed to the adoption of a residential LED lighting baseline and the closure of the Canada Greener Homes program.

026 DSM Extension Plan, E1 states it plans to expand and build upon these demand response initiatives outlined in the 2023-2025 DSM Plan. [20] E1's Demand Response program consists of two components: - Residential Demand Response - BNI Dem...

AI summary E1 plans to expand its 2023-2025 Demand-Side Management (DSM) initiatives through a 2026 DSM extension. The Demand Response program includes Residential and BNI components, aiming to reduce residential electric load during peak events via financial incentives. Table 20 summarizes the Residential Demand Response program details.

Program Component Changes Extension as outlin E1 will focus on th Direct Loar thermosta baseboard direct insta\nefficiency participate\nupfront fin\nenrolled do DLC water controllers direct insta\nefficiency participate DLC Bettri vehicles...

AI summary The text discusses the extension of a program component (E1) focusing on direct load control (DLC) thermostats, baseboard heaters, and water controllers, along with incentives for participation in demand response (DR) events. It also mentions the inclusion of electric vehicle (EV) managed charging and marketing strategies such as television advertising and targeted outreach.

[23] E1 said it remains steadfast in its commitment, established in the 2023-2025 DSM Plan, to ensure that programs are both designed and delivered on an equitable and non-discriminatory basis. Specifically, the 2026 DSM Extension will con...

AI summary E1 reaffirms its commitment to equitable energy efficiency programs, as outlined in the 2023-2025 DSM Plan, and adjusts the low-income investment range based on updated census data. It also notes an increase in the portfolio unit cost for energy efficiency in 2026 due to changes in program mix and participation.

4.4 Synapse [37] Synapse stated that the 2026 DSM extension of energy efficiency initiatives remains cost-effective at the portfolio level. It stated: "The first-year cost of saved energy falls in the middle of the Canadian and leading U.S...

AI summary Synapse asserts the 2026 DSM extension's energy efficiency initiatives are cost-effective, recommending approval. It also supports demand response approval but urges E1 to ensure future plans meet PAC thresholds and conduct benchmarking studies. Synapse further suggests targeting constrained areas and incorporating avoided transmission costs in benefit analyses.

5.3 Savings and Verification Report Recommended Disallowances [50] Dr. Gil Peach, Board Counsel's consultant, recommended that savings from the residential behavioural program, the residential and BNI demand response programs, and the comp...

AI summary Dr. Gil Peach recommends disallowing savings from residential behavioral, demand response, and compressed air programs due to insufficient independent evaluation. Econoler defends its methodology, arguing it balances accuracy and cost, and notes no other jurisdictions require the disputed test. Disagreement centers on evaluation protocols and reliability of reported savings.

NOVA SCOTIA ENERGY BOARD IN THE MATTER OF: The Public Utilities Act, RSNS 1989, c.380, as amended - and - IN THE MATTER OF: NSEB Matter No. M12249 – EfficiencyOne – 2026 DSM Extension Application

AI summary The Nova Scotia Energy Board (NSEB) is considering an application by EfficiencyOne under the Public Utilities Act (RSNS 1989, c.380) for a DSM (Demand-Side Management) extension. The proceeding references NSEB Matter No. M12249, focusing on regulatory approval for energy efficiency initiatives.

NOTICE OF INTERVENTION of KWILMU'KW MAW-KLUSUAQN NEGOTIATION OFFICE and ASSEMBLY OF NOV A SCOTIA Ml'KMAQ CHIEFS TAKE NOTICE that Kwilmu'kw Maw-klusuaqn Negotiation Office (KMKNO) hereby seeks to intervene in the above Applications and Proc...

AI summary KMKNO and ANSMC intervene in a Nova Scotia Energy Board proceeding supporting EfficiencyOne's 2026 DSM Extension application. They assert Mi'kmaw title to Nova Scotia lands and waters, emphasizing the duty to consult and accommodate. They endorse DSM activities promoting energy efficiency and Mi'kmaw economic opportunities.

Request IR-10: With regards to Table 1 on Page 3 of 25 of E1's Evidence: - a) Under "Energy and Demand Savings", please identify the "% of Energy Non-Lighting Savings" for 2026 and 2023-2026. - b) Under "Energy and Demand Savings", please...

AI summary Request IR-10 seeks clarification on Table 1 from E1's Evidence, specifically asking for data on energy non-lighting savings, demand response as a percentage of NS Power peak load, and the 10-year levelized cost of demand response investments for 2026 and the 2023-2026 period.

Request IR-16: - Regarding the Total Resource Cost (TRC) test, in Table 9 on page 40 of 149 in Appendix A of the - 2023-2025 DSM application (M10473), the TRC for Residential EE Programs is presented as 1.4 Document: 321929 Date Filed: Jun...

AI summary The NSEB requests an explanation for the decline in Total Resource Cost (TRC) values for Residential EE and DR programs from 2023-2025 (1.4/1.1) to 2026 (0.9/0.7), with most components now below TRC 1.0. This discrepancy between application tables (M10473 and M12249) raises concerns about the TRC deterioration.

- Cost Test (TRC), and Program Administrator Cost Test (PAC) for lighting measures in the 1 Efficiency Product Installation program component over time. Please include 2023 2 Actuals, 2024 Actuals, 2025 Forecast, and 2026 Plan Extension. 3...

AI summary The document requests information about the Cost Test (TRC) and Program Administrator Cost Test (PAC) for lighting measures in various program components, including details on investment, energy savings, and costs. It also asks for clarification on the 'commercial direct install offer' and 'main SBES stream' and requests an Excel workbook with data from Table 5 across multiple years.

measure, by program component, and in total. - f. Please add to this table the breakout of the proposed participation in the 2026 Plan Extension for DR, by measure, by program component, and in total. Request IR-14: Page 7 of Appendix A st...

AI summary The text discusses the decline in participation in the Green Heat program, attributing it to higher incentives in the Greener Homes program for heat pump measures. A billing analysis conducted in 2024 found significantly lower unitary savings for heat pumps and wood/pellet burning equipment in both fully and mainly electrically heated participants.

a. Please provide a comparison of the Investment, Lifetime Benefits (TRC), Lifetime Benefits (PAC), TRC, and PAC for heat pump measures in the Green Heat program 1 component to the heat pump measures in the Home Energy Assessment program 2...

AI summary The text requests a comparison of investment and lifetime benefits (TRC and PAC) for heat pump measures in the Green Heat program, including data from 2023 Actuals, 2024 Actuals, 2025 Forecast, and 2026 Plan Extension. It also asks about the evaluation and billing analysis of the Green Heat program and whether similar evaluations have been conducted for the Home Energy Assessment program component.

A states, "Eligibility was extended to support Mi'kmaw homeowners in 2024, in addition to Band owned homes, in Mi'kmaw communities." a. To what extent has the inclusion of homeowners increased demand? b. Please explain if and how the propo...

AI summary The text requests information on the impact of expanding eligibility to Mi'kmaw homeowners in 2024 on demand and how the 2026 Plan Extension addresses this. It also seeks clarification on E1's performance targets for demand response and energy efficiency, including definitions of 'energy efficiency savings targets' and differences between Demand Savings for EE and Available Capacity for DR.

mand Savings in GW? If not, please explain the meaning of this term in this context. - b. Please describe the difference between the definitions of Demand Savings for EE and Available Capacity for DR.

AI summary The text requests clarification on the term 'Demand Savings in GW' and seeks to understand the distinction between Demand Savings for Energy Efficiency (EE) and Available Capacity for Demand Response (DR). These questions pertain to definitions and terminology used in regulatory proceedings related to demand-side management and resource planning.

sponse program), and targeted BNI email campaigns based on electricity use patterns using AMI data." - a. How will E1 leverage data analytics tools including segmentation data, website user behaviour insights, and advanced metering infrast...

AI summary The document outlines information requests to E1 regarding the use of AMI data for marketing strategies, personalized messaging, and identifying high-potential customers. It also inquires about the timeline and success metrics for E1's heat pump water heater pilot program. Questions focus on data analytics, segmentation, and program evaluation.

uation of E1's heat pump water heater market transformation pilot, launched in 2024." - a. When will results from this pilot be available? - b. How does E1 intend to measure the success of this pilot?

AI summary The document requests information about E1's 2024 heat pump water heater market transformation pilot, specifically asking when results will be available and how success will be measured. The pilot aims to transform the market for heat pump water heaters.

emand savings target; • 45% of the available capacity target; and • 55% of the low-income and equity target." Is E1 currently at risk of not achieving any of the 2023-2026 Performance Targets? If so, which one(s)? For each one, please expl...

AI summary The document requests information on E1's risk of missing 2023-2026 performance targets, focusing on low-income and equity metrics. It references tables detailing 2024 Residential Behavior program participation (14.9% energy savings, 0% demand savings) and asks for 2023 vs. 2024 actuals by program component.

equity participation in RB represented: • 14.9% of energy savings a. Please provide the actuals broken out for 2023 versus 2024 by program component. • 0% of demand savings • 14.9% of expenditures"

AI summary The text requests actuals for 2023 vs. 2024 by program component, noting 14.9% energy savings and 0% demand savings. It highlights equity participation in RB with 14.9% of expenditures. The context involves a Nova Scotia regulatory proceeding related to demand-side management and energy efficiency.

for DSM Reporting' for the Small Business Energy Solutions program component states, "Incidental low-income & equity savings = (total savings from residential dedicated low-income & affordable housing projects "Housing\ ")." Please discuss...

AI summary The document contains non-confidential information requests related to DSM reporting methodologies, the 2026 Plan Extension's alignment with future plans, energy and demand savings comparisons, evaluation plans for DSM programs, AMI data agreements, and demand response marketing strategies. Requests focus on low-income savings attribution, program evaluation frameworks, and regulatory compliance.

1 2 3 (a) While the exact timing of project completions can be difficult to predict, what steps has E1 taken to understand and manage project completions (and payout of incentives)? 4 5 6 (b) Does E1 agree that it is good business practice...

AI summary The text includes several questions directed at E1 regarding project completion management, incentive payout processes, and demand response programs. It also references specific sections of a document and requests information on reports and program details.

7 Request IR-26: - 8 Reference: Appendix B, page 13 of 24, and pages 15-16 of 24. - 9 On page 13 of Appendix B, E1 states that: When examining non-participant bill impacts, it is important to note the broad reach of E1's point-of-sale reba...

AI summary Request IR-26 seeks data on participation rates in energy efficiency (EE) and demand response (DR) programs for industrial rate classes under the 2023–2025 and 2026 DSM Plans. It emphasizes that E1's rebate programs (Instant Savings, BER-IR) likely result in near-universal participation, affecting non-participant bill calculations (0.1–0.3% increases).

Refer to M12249, Exhibit E-2, Savings Verification Review of Program Year 2024 Evaluation Results, Report for the Nova Scotia Energy Board (2024 Peach Report) June 4, 2025, authored by H. Gil Peach & Associates, (Peach) Section IX. General...

AI summary The document references a savings verification report evaluating energy efficiency programs in 2024, highlighting concerns about the practical value of savings and demand reduction from specific programs. It raises questions about the roles of the verifier and evaluator, and the definition of practical value in program evaluation.

Request IR-2: Refer to M12249, Exhibit E-2, 2024 Peach Report, Section IX, General Recommendations including Recommendation SVR24-G-2, which states, at page 17: SVR24-G-2. The Evaluator should flag programs which the evaluation demonstrate...

AI summary The document requests EfficiencyOne to confirm inclusion of specific low-impact energy efficiency programs in its 2026 Plan Extension and 2027-2031 DSM Plan, their cost percentages, and their stance on a recommendation to flag such programs. The recommendation suggests closing or explaining programs with statistically significant but impractically small savings.

Request IR-4: Refer to M12249, Exhibit E-2, 2024 Peach Report, Section X, Individual Program Component Review, subsection B. Instant Savings (IS), pages 21-22, under Evaluator Findings on p. 22, which includes the following 5 bullets, at p...

AI summary The document discusses Instant Savings (IS) exceeding 2024 targets by 77% and 45% for energy and peak demand savings, with LED products driving 69% of savings. It also notes a 17% increase in non-lighting savings and a 20% reduction in free ridership. The 5th bullet highlights discrepancies between evaluator and Efficiency Nova Scotia's tracked savings. Additionally, BER rebate program savings declined 7.7% in 2024, with recommendations to update baselines for energy efficiency programs.

Refer to M12249, Exhibit E-2, Savings Verification Review of Program Year 2024 Evaluation Results, Report for the Nova Scotia Energy Board (2024 Peach Report), June 4, 2025, authored by H. Gil Peach & Associates, (Peach). Section IX. Gener...

AI summary The Savings Verification Review of Program Year 2024 highlights that four programs—Residential Behavior, Residential Demand Response, BNI Demand Response, and the compressed air part of the BNI Custom Incentive Program—were not found to deliver significant practical energy savings or demand reduction, despite passing statistical significance tests. The report recommends that these programs be flagged for lack of practical value.

Request IR-2: Refer to M12249, Exhibit E-2, 2024 Peach Report, Section IX, General Recommendations, including Recommendation SVR24-G-2, which states, at page 17: SVR24-G-2. The Evaluator should flag programs which the evaluation demonstrat...

AI summary The document references the 2024 Peach Report's recommendation (SVR24-G-2) to evaluate energy efficiency programs with minimal savings and consider closing them to reallocate funds. Questions are raised about identifying such programs, their cost percentage, potential funds freed, and the meaning of 'spending energy efficiency dollars more effectively.'

Request IR-4: Refer to M12249, Exhibit E-2, 2024 Peach Report, Section X, Individual Program Component Review, subsection B. Instant Savings (IS), pages 21-22, under Evaluator Findings which includes the following 5 bullets, at page 22: Ev...

AI summary Request IR-4 challenges the Peach Report's evaluation of Instant Savings (IS) program results, highlighting discrepancies in savings definitions and metrics. Key issues include unclear 'savings at the generator' terminology, 77% and 45% overachievement of 2024 energy/peak demand targets, and 16% higher evaluator-tracked savings compared to Efficiency Nova Scotia's data. Requests clarification on terminology and recommendations to improve DSM plan cost-benefit.

Request IR-06: - Please confirm whether the methodology used in quantifying net lifetime energy savings was - consistent with current methodological guidance for evaluating energy efficiency programs.

AI summary Request IR-06 seeks confirmation on whether the methodology used to quantify net lifetime energy savings aligns with current methodological guidance for evaluating energy efficiency programs. The request is directed at EfficiencyOne (E1).

Request IR-08: - Please confirm what is meant by the term " practical energy savings or demand reduction ", from - both a qualitative and quantitative perspective, and explain how the use of this term is consistent - with current methodolo...

AI summary The document requests clarification on the term 'practical energy savings or demand reduction' from both qualitative and quantitative perspectives, ensuring alignment with current methodological guidance for evaluating energy efficiency and demand response programs. This is part of E1's application for the 2026 DSM Extension (M12249).

Request IR-09: - Please confirm what is meant by the term " practical value ", from both a qualitative and - quantitative perspective, and explain how the use of this term is consistent with current - methodological guidance for evaluating...

AI summary Request IR-09 seeks clarification on the term 'practical value' in energy efficiency programs, requiring both qualitative and quantitative definitions and an explanation of its alignment with current methodological guidance for program evaluation.

NON-CONFIDENTIAL (a) Please provide leakage rates and claimed savings for the relevant years to support this statement.

AI summary The text requests EfficiencyOne to provide leakage rates and claimed savings data for relevant years to support a statement.

45 "… we have only the metered (AMI) based result, which is a black box …" 1 2 a. What do the authors mean that AMI data is a "black box"? 3 b. Do the author's consider engineering assumptions to be better than meter data? 4 c. Do the auth...

AI summary The text discusses concerns about the use of AMI (Advanced Metering Infrastructure) data being a 'black box' and questions about its usefulness for system planning. It also references a 2024 Savings Verification report, which describes behavioral RCTs as black boxes and questions the effectiveness of Home Energy Reports in providing actionable energy-saving recommendations.

Energy and demand savings targets E1 proposes the following targets to correlate to the 2026 spend: - (a) incremental annual net energy savings: 116 GWh. - (b) incremental annual net demand savings: 18.9 MW. - (c) total available capacity...

AI summary E1 proposes energy and demand savings targets for 2026, including 116 GWh annual net energy savings and 18.9 MW demand savings. The extended DSM Plan under the PUA revises targets for 2023-2026 to 528.7 GWh energy savings and 97.7 MW demand savings, with a total investment of $236.8 million over four years.

Programs There are no new programs contemplated under the 2026 DSM Extension Plan. The three residential energy efficiency programs are: (1) residential efficient product rebates; (2) existing residential; and (3) new residential (the new...

AI summary The 2026 DSM Extension Plan does not introduce new programs. Existing residential and BNI energy efficiency programs continue, with the new home construction component retired. Demand response programs are also proposed to continue.

2026 DSM PROGRAMMING CHANGES On the residential side, E1 ended appliance retirement on January 8, 2025, as delivery costs were rising, savings were declining as units being retired were newer and more efficient already. In addition, starti...

AI summary E1 ended appliance retirement in 2025 due to rising costs and declining savings, replaced seasonal campaigns with year-round rebates, and added electrician-installed measures for 'Eco Shift' demand response. 'Green Heat' was retired due to lower participation from federal grants, while HEA introduced virtual audits and expanded eligibility. BNI programs saw small business measure expansions and commercial battery additions to demand response.

Savings Targets and Costs of DSM The Industrial Group observes that there are two matters which may still affect the forecasted cost of energy efficiency programs in 2025 and in 2026, projected at $0.44/kWh and $0.49/kWh respectively. Firs...

AI summary The Industrial Group challenges concerns raised by Gil Peach about excluding savings from certain DSM programs, arguing inclusion is necessary to avoid increased costs. E1 suspended its residential behavior program due to AMI data issues from NSPI's cybersecurity incident, risking target achievement. The Industrial Group urges E1 to address data gaps and revise programming plans.

Avoided costs of both energy and capacity were based on NS Power's Evergreen IRP and avoided costs of transmission and distribution were provided by NS Power, both provided to the DSMAG on August 23, 2024. Avoided costs of carbon are embed...

AI summary The document discusses avoided costs related to energy, capacity, and carbon, referencing NS Power's Evergreen IRP and E1's approach to calculating these costs. It also outlines cost-effectiveness ratios and provides details about DR and EE programs, including investment requirements, program lifetimes, and participation by low-income and equity customers.

lt;sup>1 Reflects planned participation by low-income & equity customers. Numbers are a subset of Existing Residential, BNI Efficient Product Rebates, Custom Incentives, and Direct Installation. [13] E1 states that marketing for the 2026 D...

AI summary E1 outlines its marketing strategy for the 2026 DSM Plan, emphasizing data-driven approaches to optimize campaigns. The plan includes modifications to existing programs and retirements, but no new programs are introduced. Residential and BNI energy efficiency programs are detailed, covering rebates, assessments, and behavior initiatives.

ity control is. E1 has included both all option through the Eprogram component. Ce in DR events. ic Vehicle Managed Ch: V) either through EV suontrol (telematics). Cuspayment for participating V Control: utility control dispatching to the...

AI summary The text outlines various programs and strategies related to demand-side management, including smart thermostats, electric vehicle charging control, and efficient product installation. It discusses customer incentives, marketing tactics, and partnerships with organizations like EfficiencyOne and Eco Shift.

out of lighting as a low-cost opportunity (Instant Savings and Efficient Product Installation), and the expected decrease in participation in Home Energy Assessment. [Exhibit E-1, Appendix A, p. 19] [27] E1's application highlights the fol...

AI summary E1's 2026 DSM Extension application discusses the cost-effectiveness of energy efficiency and demand response programs. While the overall portfolio passes TRC and PAC tests, low-income programs like Affordable Multi-Family Homes and Mi'kmaw Home Energy Efficiency fail TRC due to lower cost savings. This highlights challenges in balancing equity-focused initiatives with broader cost-effectiveness metrics.

4.2 Consumer Advocate [31] Green Energy Economics Group (Green Energy), the Consumer Advocate's Consultant, recommended the 2026 DSM extension be granted with the following modifications: • To ensure the same sector budget allocation is us...

AI summary The Consumer Advocate recommends granting the 2026 DSM extension with adjustments, including reallocating funds to the residential sector and ensuring proper cost-effectiveness and low-income participation in programs. Green Energy Economics Group supports these recommendations and advises against discontinuing savings verification for the Efficiency Insights program.

4.4 Synapse [37] Synapse stated that the 2026 DSM extension of energy efficiency initiatives remains cost-effective at the portfolio level. It stated: "The first-year cost of saved energy falls in the middle of the Canadian and leading U.S...

AI summary Synapse supports approving the 2026 DSM Extension's energy efficiency and demand response components but recommends specific conditions for the 2027-2031 plan, including a PAC test value ≥1.0, independent benchmarking studies, targeting constrained areas, and incorporating avoided transmission costs. It also urges E1 to leverage Efficiency Canada's research.

5.9 Performance Requirements [81] For the 2026 DSM Extension, E1 proposes to use the same definitions of performance metrics, targets, performance indicators, and thresholds as in the approved 2023-2025 Plan. E1 proposes that its performan...

AI summary E1 proposes extending DSM performance metrics from 2023-2025 to 2026, including targets like 528.7 GWh energy savings, 97.7 MW peak demand reduction, and 16.3 MW winter demand response. E1 also seeks to include low-income programs and estimates a $236.8M investment over four years.