2. BACKGROUND TO 2026 DSM EXTENSION
AI summary The section outlines the background for extending Demand-Side Management (DSM) programs to 2026, involving regulatory considerations by the Nova Scotia Utility and Review Board (NSUARB) under the Public Utilities Act (PUA).
2.4 APPLICATION FOR NEW COST-EFFECTIVENESS TEST E1 is always seeking to maximize value for ratepayers in its DSM planning. As a vital input for DSM planning, how this value is measured is of critical importance. In Q2 of 2025, E1 will be f...
AI summary E1 seeks approval for a new benefit-cost analysis test to enhance DSM planning, ensuring value for ratepayers. The test, to be filed in Q2 2025 with the Energy Board, will inform future DSM activities and the 2027-2031 DSM Plan. Timely resolution is emphasized for logistical planning benefits.
3. MODELLING FOR 2026 DSM EXTENSION
AI summary This section discusses the modelling for the 2026 extension of Demand-Side Management (DSM) programs in Nova Scotia. Key entities involved include the Nova Scotia Utility and Review Board (NSUARB) and the DSM Cost Recovery Rider (DCRR). The analysis involves regulatory considerations under the Public Utilities Act (PUA) and collaboration with the Independent Energy System Operator (IESO).
16 4. 2026 DSM PROGRAMS
AI summary The document outlines the 2026 Demand-Side Management (DSM) Programs under regulatory review by the Nova Scotia Utility and Review Board (NSUARB). Key entities include the DSM Cost Recovery Rider (DCRR) and the Public Utilities Act (PUA), with involvement from the Independent Energy System Operator (IESO) and the Integrated Resource Plan (IRP).
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.
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.
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.
AVOIDED COSTS USED IN 2026 DSM EXTENSION MODELS
AI summary The document discusses the use of avoided costs in 2026 Demand-Side Management (DSM) extension models, focusing on regulatory considerations in Nova Scotia. Key entities include Nova Scotia Utility and Review Board (NSUARB), Nova Scotia Power (NSP), and related programs like DSM Cost Recovery Rider (DCRR).
3. AVOIDED COSTS OF TRANSMISSION & DISTRIBUTION (T&D)
AI summary The section discusses avoided costs related to transmission and distribution, focusing on regulatory considerations and stakeholder analyses. Key entities include Nova Scotia Utility and Review Board (NSUARB) and Demand-Side Management (DSM) programs, with emphasis on cost recovery mechanisms and benefit-cost ratios.
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.
- DSM Resource Plan application.["](#page-116-0) 4 The next historical RBIA will be filed as part of the 2027-2031 DSM - Resource Plan Application, expected to be in February/March 2026. - The analysis provides the reader with a picture of...
AI summary The document discusses the 2027-2031 DSM Resource Plan Application, expected in 2026, and the role of RBIA analyses in assessing equity impacts on participating vs. non-participating ratepayers. It highlights that DSM investments may lower bills for participants but raise them for non-participants, requiring regulators to balance cost-effectiveness and equity trade-offs, as per the National Standard Practice Manual.
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.
3.2 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.
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.
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.
4. TIME PERIOD DEFINITIONS - The following time periods apply to the RBIA analysis: - DSM delivery period: the timeframe over which DSM programs are delivered. - The DSM delivery period included in the 2026 DSM Extension RBIA is 2026. - Co...
AI summary The text defines time periods for the RBIA analysis, including the DSM delivery period (2026), cost recovery period (2026), and study period (2026-2041). The study period ends when all average rate class DSM impacts expire, with impacts modeled over the full timeframe.
Methodology for determination of changes in NS Power's base cost rates as a result of DSM-induced changes in class usage and total system costs November 27, 2020
AI summary The Nova Scotia Utility and Review Board (NSUARB) outlines a methodology to assess changes in Nova Scotia Power's (NSP) base cost rates caused by Demand-Side Management (DSM)-induced shifts in class usage and total system costs. The analysis focuses on evaluating DSM's impact on cost recovery, rate design, and system-wide cost implications.
Revenue Requirement Ordinarily, the base cost rate setting process used in rate case applications requires a great amount of detailed cost inputs to determine revenue requirement. Annual rate base data needs to be collected on a variety of...
AI summary The document explains that the RBIA does not require detailed annual cost data for rate base calculations, as it only assesses DSM-induced changes while keeping other costs constant. This avoids the need for a full rate case analysis, focusing instead on directional and relative rate/bill changes due to DSM programs.
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.
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.
2 Schedule B (Page 2 of 2)
AI summary Schedule B (Page 2 of 2) from a Nova Scotia Utility and Review Board (NSUARB) regulatory proceeding, referencing demand-side management (DSM) and the DSM Cost Recovery Rider (DCRR). Context includes programs like EfficiencyOne (E1) and legislation such as the Public Utilities Act (PUA).
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.
In the 2025 DCRR matter, the Industrial Group raised concerns regarding DSM costs shifts and unexpected cost impacts between rate classes arising from variations in E1's planned and actual DSM program spending by customer class through mid...
AI summary In the 2025 DCRR matter, the Industrial Group raised concerns about DSM cost shifts and unexpected impacts between rate classes due to variations in E1's planned and actual DSM spending. E1 clarifies that actual spending by rate class is reported to NS Power for collection via the DSM Rate Rider, and mid-course adjustments are not used for this purpose. The question asks whether E1 understands how NSPI trues up load variances in the DSM rider on a two-year lag during a multi-year plan.
- 29 (b) What, if any impact to E1's programming and spending does this have? 1 (c) Does E1 understand that at the end of a multi-year plan, mid-course 2 adjustments i.e. program approved budget and spending are trued up in 3 the DSM rider...
AI summary The text raises questions about the impact of a multi-year plan on E1's programming and spending, specifically regarding mid-course adjustments and budget true-ups in the DSM rider. It also asks whether E1's overall budget setting is an inter-class true-up.
4.8 NS POWER AMENDMENTS TO SUPPLY AGREEMENT - 2 The extent to which any modifications to the existing Supply Agreement between E1 and NS Power are - 3 required due to changes to NS Power's DSM Rate Rider recovery period will be informed by...
AI summary NS Power may need to amend its Supply Agreement with E1 based on changes to the DSM Rate Rider recovery period, pending the Nova Scotia Energy Board's (NSEB) decision on the General Rate Application (GRA). E1 will collaborate with NS Power to revise the agreement if required, with the revised version submitted to the NSEB for approval. Until then, the agreement will remain unchanged for 2026 except for specific amendments requested in this application.
Disclaimer: These summaries were generated by AI from the filings they describe. We take care to make them accurate, but errors are possible - and they aren't advice. Only the filings themselves are the record: if you're relying on something here, confirm it against the source documents or the Nova Scotia Energy Board's own record. Full disclaimer →