Topic:"Rate Base" in M12780

22 Table 5: 2027–2031 DSM Preferred Plan Portfolio Level Insights Insights 2027–2031 Energy Efficiency Energy Savings as % of NS Power Load 0.8% Energy Savings (EE) Split (RES/BNI) 29/71 Demand Savings (EE) Split (RES/BNI) 44/56 Dedicated...

AI summary Table 5 provides insights into the 2027–2031 DSM Preferred Plan Portfolio, detailing energy efficiency and demand response metrics, including energy savings percentages, cost splits between RES and BNI, and unit costs for energy and demand savings.

ayers (forward looking) are shown below in [Figure 1.](#page-234-0) DATE FILED: March 31, 2026 Page 3 of 23 9 2 PAC net lifetime benefits of the DSM Portfolio. Discounted using WACC. 1 Key highlights of the 2026 historical RBIA include: -...

AI summary The 2026 historical Rate and Bill Impact Analysis (RBIA) highlights the impact of Demand Side Management (DSM) programs on electricity bills in Nova Scotia. Participants in DSM programs experienced average annual bill reductions ranging from 2.8% to 12.7%, while non-participants saw bill increases of 0.5% to 2.9%. Overall, ratepayers will save over $3.2 billion between 2011 and 2041 due to energy and demand reductions from DSM programs.

4 [Table 1](#page-243-1) highlights results in more detail by individual rate class for the 2027–2031 forward looking RBIA. 6 Table 1: Rate and Bill Impacts by Rate Class as a Result of 2027-2031 DSM Preferred Plan Activities Preferred Pla...

AI summary Table 1 presents the rate and bill impacts by rate class resulting from the 2027–2031 DSM Preferred Plan activities. The data shows the average rate impact, average bill impact for participants and non-participants, and total class average bill impact across various rate classes.

- 3 In 2024–2025, E1 worked with Elenchus, its RBIA consultant, to update the E1 RBIA model and NS Power 4 rate model. Updates include the following: - 5 Integration of historical and forward-looking RBIA models. Both the NS Power and E1 m...

AI summary E1 and NS Power updated their RBIA and rate models in 2024–2025, incorporating new resources like solar-PV and batteries, refining participation methodologies, and enhancing model transparency. These changes were detailed in the 2026 DSM Extension RBIA and further updated with a Renewable to Retail adjustment and revised avoided costs.

DATE FILED: March 31, 2026 Page 8 of 8 Attachment 4: Results by Rate Class 2026 Historical Line# Rate and Bill Impacts of DSM on the Residential Class 1 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2...

AI summary The document presents historical data on the rate and bill impacts of Demand Side Management (DSM) on the residential class from 2011 to 2055. It includes metrics such as net incremental energy savings, total annual energy savings, DSM expenditures, and participant activity over time.

DATE FILED: March 31, 2026 Page 2 of 8 Line# Rate and Bill Impacts of DSM on the General Class 1 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 20...

AI summary The table presents the rate and bill impacts of Demand Side Management (DSM) on the General Class over time, including energy savings, expenditures, and participant numbers. It highlights trends in energy savings and participant engagement from 2011 to 2055.

DATE FILED: March 31, 2026 Page 4 of 8 Line# Rate and Bill Impacts of DSM on the Small Industrial Class 1 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 203...

AI summary The document presents a detailed table showing the rate and bill impacts of Demand Side Management (DSM) on the small industrial class over several years, including energy savings, expenditures, number of participants, and average energy savings per participant. The data spans from 2011 to 2055 and includes metrics such as net incremental and total annual energy savings in gigawatt-hours, DSM expenditures in millions of dollars, and participant numbers.

11 5. AVOIDED COSTS Avoided costs are calculated at the system level using evaluated DSM savings and avoided cost rates in four categories: generation, transmission, distribution, and energy. Avoided costs used for the 2027–2031 DSM Plan a...

AI summary Avoided costs are calculated at the system level across four categories: generation, transmission, distribution, and energy. These costs are used for the 2027–2031 DSM Plan and its RBIA, with details provided in Appendix A and a table for historical years.

The figure below identifies the Contract Price to be paid by NSPI allocated for each year of the Term. 2023 2027 2024 2028 2025 2029 2030 2031 Total UARB NSEB Approved Investment Amount Refund2023-2026 DSM Resource Plan Underspend Net Cont...

AI summary The text outlines the allocation of the contract price to be paid by NSPI over the term of the agreement, referencing the refund of a 2019 surplus and the revision of the 2024 net contract amount based on the 2020-2022 DSM Plan. EfficiencyOne is required to report and refund any surplus realized at the end of the term to NSPI unless directed otherwise.

31 2027 2028 2029 2030 2031 Total NSEB Approved Investment Amount 2023-2026 DSM Resource Plan Underspend Net Contract Amount to be Paid by NSPI 32

AI summary The table outlines the NSEB Approved Investment Amount and the 2023-2026 DSM Resource Plan Underspend, with columns for years 2027 to 2031 and a total column. The Net Contract Amount to be Paid by NSPI is also listed but lacks specific values.

EfficiencyOne (E1), an independent, non-profit organization, is responsible for helping Nova Scotians improve the energy efficiency of their homes and workplaces by designing, marketing, and delivering demand-side management (DSM) for Nova...

AI summary EfficiencyOne (E1), a non-profit organization, delivers demand-side management (DSM) programs through the Efficiency Nova Scotia (ENS) franchise. E1's 2025 DSM program portfolio achieved significant energy and demand savings, including 129.444 GWh in net electrical energy savings and 60,748 tonnes of CO2 eq in avoided emissions. Econoler, along with other evaluators, conducted the evaluation of these programs.

3.2.5 Evaluated Gross Savings The gross electrical energy and peak demand savings resulting from the retirement of appliances through ARet are listed in [Table](#page-93-0) 6 below. The line loss factors were updated in 2019 and correspond...

AI summary This section discusses the gross electrical energy and peak demand savings from appliance retirements through ARet. Line loss factors were updated in 2019 and submitted to the Nova Scotia Energy Board as part of the 2014 Cost of Service Study Progress Update. Savings are estimated using specific line loss factors for residential and commercial participants.

15.4 Evaluated Gross Savings The annual gross savings for each category of measure installed through Green Heat in 2025 are listed in [Table](#page-32-0) 34 below. Gross savings at the generator were estimated by using the line loss factor...

AI summary The document discusses the evaluation of gross savings from Green Heat measures installed in 2025, estimating savings using line loss factors submitted to the Nova Scotia Energy Board as part of a 2014 study. Line loss factors were updated in 2019 and applied based on rate codes for participants.

(b) The Other Enabling Strategies category encompasses all regulatory costs associated with the development and execution of DSM Plans and E1's participation in regulatory matters and proceedings. As a public utility regulated by the Nova...

AI summary The Other Enabling Strategies category includes regulatory costs related to DSM Plans and E1's participation in regulatory proceedings. These costs are allocated to rate classes based on their share of total program costs. E1 has improved its reporting on Enabling Strategies, including forecast and year-to-date spending, and will continue this during the 2027–2031 Plan period.

A. Definitions Mid-Course Adjustment –The Mid-Course Adjustment (MCA) is a mechanism that provides E1 with an opportunity to reallocate savings and investments by program for any given DSM Plan year to allow for changes that occur during t...

AI summary The text defines various mechanisms related to the DSM Plan, including the Mid-Course Adjustment (MCA), Balance Adjustment (BA), and DSM Cost Recovery Rider (DCRR). These mechanisms allow for reallocation of spending and savings, true-up of rate class spending, and recovery of DSM costs from ratepayers.

age - 2 incentives when excluding these lower cost projects (e.g., compressed air leak audits) and - 3 increased future incentives to those amounts. DATE FILED: May 28, 2026 E1 (IG) IR-19 Page 8 of 8 Request IR-20: Reference: Exhibit E-1,...

AI summary The request seeks analysis of rate and bill impacts for an alternate scenario, assumptions behind lower bill impacts for industrial customers, and whether a 4% average bill impact is considered sufficient for participation in energy efficiency programs.

17 Table 1: Rate and Bill Impacts by Rate Class as a Result of 2027 - 2031 DSM Alternate Scenario Activities. Rate Class Rate Codes Average Rate Impact (%) Average Rate Impact (cents/kWh) Participant Average Bill Impact Non Participant Ave...

AI summary The table shows rate and bill impacts by rate class due to DSM activities from 2027 to 2031. E1 corrected an error in the Municipal rate class and emphasized the significance of savings in industrial customers, attributing lower percentage bill reductions to the concentration of industrial electricity use in complex processes.

3. Savings opportunities are concentrated in ancillary systems Energy efficiency programs can achieve savings through non-process and support systems (e.g., compressed air, pumping, refrigeration). However, these systems typically represen...

AI summary Energy efficiency programs can achieve savings through non-process systems, but these systems represent a smaller share of total energy use in industrial facilities. E1 concludes that lower percentage bill impacts for Medium and Large Industrial customers are consistent with their energy use profile. The RBIA confirms that energy savings offset rate impacts associated with DSM for these customers.

DATE FILED: May 28, 2026 E1 (IG) IR-24 Page 2 of 4 1 Response IR-24: 2 3 (a) The Rate and Bill Impact Analysis (RBIA) estimates a Large Industrial rate impact of 6.26 4 percent in 2027 and 6.02 percent in 2028. 5 i) The following context h...

AI summary The Rate and Bill Impact Analysis (RBIA) estimates a Large Industrial rate impact of 6.26% in 2027 and 6.02% in 2028. These impacts are relative to a No DSM scenario and reflect combined effects of program cost recovery, lost revenue, and avoided costs. The RBIA assumes these effects are fully incorporated into rates each year, though this may not hold outside of a General Rate Application (GRA).

BIA) for the same 2 purpose, to convert impacts between at meter and at generator. 5 14 3 i) Line losses are a direct input to the modelling software and are applied within the 4 modelling process. (b) Table 1 of this IR response provides...

AI summary The document discusses the impact of line losses on the 2026 General Rate Application (GRA) and the 2027–2031 DSM Plan. It notes that the estimated impact was calculated manually by EfficiencyOne using line loss factors from the 2014 COSS and the 2026 GRA, rather than through the Guidehouse ProCESS or DRSim model. This method is described as an approximation.

15 The following selections must be made in the 'Inter-class Outputs' tab 16 starting at cell C1 for the scenario to match the Historical RBIA (2011 – 2026 17 activities): Base Scenario Alt. Scenario Energy Efficiency No Yes Demand Respons...

AI summary The document outlines two scenarios for the 'Inter-class Outputs' tab in a regulatory proceeding, with the 'Base Scenario' excluding Energy Efficiency and Demand Response, while the 'Alt. Scenario' includes these. Both scenarios use the same historical period (2011-2026) and cost scenario (1).

Electricity Market The following entities are the key players in the electricity system in Ontario. - Ontario Government Ministry of Energy - Ontario Energy Board (OEB) - Independent Electricity System Operator (IESO) - 72 Local Distributi...

AI summary The document outlines key players and responsibilities in Ontario's electricity market, including the Ministry of Energy, Ontario Energy Board (OEB), Independent Electricity System Operator (IESO), and Local Distribution Companies (LDCs). The IESO manages conservation efforts, sets savings targets, and oversees program delivery, while the OEB regulates LDCs and reviews rate applications.

Ca teg Su bs ati nd da tio mm ary o erv on s a re co mm en ns Mo de rat e y 2. Mi nim al Re vie of Te lat e C lai Da tes Th lai da te wit hin th e d ist rib uto r te lat e i ot ntl iew ed du rin the P S cia list 's Q A w mp m : e c m mp s...

AI summary The text discusses the minimal review of late claim dates within the distributor late claims process, highlighting the need for proper identification and handling of late claims, including claim dates and submission ranges.

- 12 This attachment provides a summary of the rate and bill impacts results as taken from the 13 E1 RBIA models filed as Appendix B, Attachments 9 and 10. It is meant to be assistive in 14 the access and review of the RBIA results. - 15 A...

AI summary This text discusses the submission of Rate Base Impact Assessment (RBIA) models by EfficiencyOne (E1) as part of a regulatory proceeding. It notes that Attachments 7 and 8 were re-filed with macros removed to improve accessibility for intervenors, while Attachments 9 and 10 remain unchanged.

E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 providing the NSEB with an objective, independently verified basis on which to assess E1's 2 compliance with its mandate. E1 respectfully submits that...

AI summary E1 submits that the proposed Performance Targets are appropriate for the NSEB's oversight, and that Performance Indicators should remain supplemental rather than being elevated to formal targets. E1 argues that the scale of its DSM investment is proportionate to its mandate and that additional targets would impose unnecessary costs on ratepayers.

E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL 1 Request IR-45: 2 3 Appendix A - Preferred Plan pp. 1-112 (Attach. 1-5) 4 5 Exhibit E-1, Appendix A, page 108 of 112 (pdf pg. 196): 6 7 E1 discusses fur...

AI summary Nova Scotia Power (E1) responds to information requests from the Nova Scotia Energy Board (NSEB) regarding mid-course adjustments to demand-side management plans and cost assumptions in the General Rate Application. E1 references prior responses and states it is not aware of required updates to avoided costs.

1 Table 1: Rate and Bill Impacts by Rate Class as a Result of 2027-2031 DSM Preferred Plan Activities (100% 2 Rate Class Cost Allocation) Rate Class Rate Codes Average Rate Impact (%) Average Rate Impact (cents/kWh) Participant Average Bil...

AI summary The table presents the rate and bill impacts by rate class as a result of the 2027-2031 DSM Preferred Plan Activities. It shows the average rate impact percentage and cents per kWh, as well as the average bill impact for participants and non-participants across various rate classes.

8 Table 2: Correction of Appendix B Table 1 - Rate and Bill Impacts by Rate Class as a Result of 2027-2031 DSM 9 Preferred Plan Activities Rate Class Rate Codes Average Rate Impact (%) Average Rate Impact (cents/kWh) Participant Average Bi...

AI summary The document discusses the correction of Appendix B Table 1 in Table 2, focusing on the 2027-2031 DSM 9 Preferred Plan Activities. It explains why the Average Participant Bill Impact for Solar PV is 0% in 2027, noting that the Solar-PV resource is not proposed to launch until 2028.

Table 1: STANDARDIZED FILING FRAMEWORK ITEM DESCRIPTION - Forward-Looking RBIA: This will consist of a detailed description of the forward-looking rate and bill impact analysis of the proposed DSM Resource pPlan.12 This will include a deta...

AI summary The document outlines the standardized filing framework for DSM Resource Plans, including forward-looking and historical Rate and Bill Impact Analyses (RBIA). The forward-looking RBIA details the rate and bill impact of proposed DSM activities, while the historical RBIA estimates the long-term impact of past DSM activities on rates and bills.

4.5.64.6.6 RATE AND BILL IMPACT ANALYSIS ENS E1 will file its historical Rate and Bill Impact Analysis (RBIA) by October 31st of each yearas part of each DSM Resource Plan. 33 The historical RBIA estimates the high-level, longterm impact t...

AI summary ENS E1 is required to file both historical and forward-looking Rate and Bill Impact Analysis (RBIA) as part of each DSM Resource Plan. The historical RBIA covers DSM activities up to the previous calendar year, while the forward-looking RBIA estimates the impact of proposed DSM activities.

Table 1: STANDARDIZED FILING FRAMEWORK ITEM DESCRIPTION 6.1 Rate and Bill Impact Analysis (RBIA) This includes the following: - Forward-Looking RBIA: This will consist of a detailed description of the forward-looking rate and bill impact a...

AI summary The document outlines the requirements for the Rate and Bill Impact Analysis (RBIA) as part of the DSM Resource Plan filing. It specifies the need for both forward-looking and historical RBIA, with a breakdown by rate classes and the exclusion of certain customer classes due to data limitations.

4.6.6 RATE AND BILL IMPACT ANALYSIS E1 will file its historical Rate and Bill Impact Analysis (RBIA) as part of each DSM Resource Plan. [31](#page-71-2)The historical RBIA estimates the high-level, long-term impact to rates and bills of al...

AI summary E1 will file both historical and forward-looking Rate and Bill Impact Analysis (RBIA) as part of each DSM Resource Plan. The historical RBIA estimates the impact of past DSM activities, while the forward-looking RBIA estimates the impact of proposed DSM activities on rates and bills.

7. RATE CLASS ALLOCATION [Table 16,](#page-90-2) below, provides a breakdown of the 2027-2031 DSM Plan expenditures by rate class for each resource scenario modelled in Round 2. Resource Scenario Residential/ Charitable (2,3,4) Small Gener...

AI summary The text presents a table detailing the 2027-2031 DSM Plan expenditures by rate class for various resource scenarios modeled in Round 2, including residential, industrial, and municipal categories.

Appendix 1 ITEM DESCRIPTION - Forward-Looking RBIA: This will consist of a detailed description of the forward-looking rate and bill impact analysis of the proposed DSM Resource pPlan.18 This will include a detailed breakdown between the r...

AI summary This document outlines the requirements for submitting a forward-looking and historical Rate and Bill Impact Analysis (RBIA) for the proposed DSM Resource Plan, including payback period considerations and justifications for measure inclusion. It also mentions additional items such as cost allocation and HST updates.

16 M12282, Nova Scotia Energy Board Order, December 10, 2025. In the Board's Decision on the Benefit-Cost-Analysis Test (BCA), E1 was directed to use the Program Administrator Cost (PAC) test for screening the cost effectiveness of its pro...

AI summary The Nova Scotia Energy Board Order M12282 from December 10, 2025, directed E1 to use the Program Administrator Cost (PAC) test for evaluating the cost effectiveness of its proposed DSM Plan and to apply NS Power's Weighted Average Cost of Capital.

4.7 DEMAND SIDE MANAGEMENT ADVISORY GROUP The DSM Advisory Group is a forum to provide strategic or directional advice and stakeholder perspectives on current or emerging DSM issues including, but not limited to, issues identified in NSEB...

AI summary The Demand Side Management Advisory Group (DSMAG) serves as a forum for providing strategic advice and stakeholder perspectives on DSM issues, including those outlined in NSEB Orders. The text references a letter from the NSUARB and an RBIA prepared by EfficiencyOne.

3.1 Glossary of Terms Term Definition Strategic Electrification DSM activities that shift end‑uses from fossil fuels to electricity while reducing both GHG emissions and electricity costs for customers. RBIA Rate and Bill Impact Analysis....

AI summary The glossary defines 'Strategic Electrification' as DSM activities shifting end-uses from fossil fuels to electricity, reducing GHG emissions and costs. It also defines 'RBIA' as Rate and Bill Impact Analysis, distinguishing between forward-looking and historical assessments.

4.6.5 Rate and Bill Impact Analysis Each DSM Resource Plan filing will include: - a historical RBIA summarizing the long-term impact to rates and bills of all DSM activities up to and including those of the previous calendar year; [11](#pa...

AI summary The document outlines the requirements for Rate and Bill Impact Analysis (RBIA) in each DSM Resource Plan filing, including both historical and forward-looking analyses to assess the long-term impact of DSM activities on rates and bills.

Operations NSPI's earnings are most directly impacted by the range of ROE and capital structure approved by the NSEB, the prudent management and approved recovery of operating costs, electric sales volumes, weather, the approved recovery o...

AI summary NSPI's earnings in 2026 are expected to be at the low end of its allowed ROE range, with higher sales volumes and increased capital investment of approximately $720 million. These projections are based on the assumption that new base rates are approved by the NSEB in the GRA and are consistent with the settlement agreement.

Significant changes in the Consolidated Balance Sheets between December 31, 2025 and December 31, 2024 include: Increase millions of dollars (Decrease) Explanation Assets Receivables, net $ 140 Increased due to timing of billing and receip...

AI summary The Consolidated Balance Sheets show significant changes between 2024 and 2025, including increases in receivables, income taxes, and regulatory assets, as well as changes in debt and equity positions. The changes are attributed to factors such as timing of billing, investment returns, capital investments, and tax-related adjustments.

Energy Consumption Risk NSPI is affected by demand for energy based on changing customer patterns due to fluctuations in a number of factors including general economic conditions, weather events, customers' focus on energy efficiency, chan...

AI summary NSPI faces energy consumption risk due to fluctuating customer demand influenced by economic conditions, weather, energy efficiency, and new technologies like solar and electric vehicles. Government policies promoting energy efficiency and distributed generation may also impact electricity demand, load, and revenue, potentially leading to a Material Adverse Effect on NSPI's operations and financials.

Nova Scotia Energy Reform Act: On February 25, 2026, NSPI was directed by the NSEB to pay a monthly assessment of $1 million to the Independent Energy System Operator Nova Scotia ("IESO Nova Scotia"), effective from February 1, 2026, to th...

AI summary On February 25, 2026, NSPI was ordered by the NSEB to pay a monthly assessment of $1 million to IESO Nova Scotia, to be deferred as a 'Regulatory asset' with interest accrued at NSPI's weighted average cost of capital, until a permanent fee recovery mechanism is established.

Significant changes in the Condensed Consolidated Balance Sheets between March 31, 2026 and December 31, 2025 include: Increase millions of dollars (Decrease) Explanation Assets Receivables, net $ 84 Increased due to seasonality of sales v...

AI summary The condensed consolidated balance sheets show increases in assets such as receivables, inventory, and regulatory assets, primarily due to factors like seasonality, commodity prices, and the FAM. Liabilities and equity also show changes, including increased debt and retained earnings, while some accounts like accounts payable decreased.

The Company generates internally sourced cash primarily through the generation, transmission and distribution of electricity. NSPI's customer base is diversified by both sales volumes and rates among customer classes. Circumstances that co...

AI summary Nova Scotia Power Inc. (NSPI) generates cash through electricity generation, transmission, and distribution. Its liquidity and capital needs are driven by working capital, rate base investment, and debt servicing. NSPI expects to invest approximately $700 million in 2026, supported by a $1.3 billion credit facility. Factors affecting cash generation include macroeconomic conditions, regulatory decisions, and environmental legislation.

• Assumptions for Tables 1 and 2: Participation eligibility assumptions reflect those of EfficiencyOne's (E1) rate and bill impact analysis (RBIA), found in E1's 2027–2031 DSM Plan Application, Appendix B, Attachment 5. • Each participant...

AI summary The text outlines assumptions and definitions used in EfficiencyOne's (E1) rate and bill impact analysis (RBIA) for the 2027–2031 DSM Plan Application. It includes details on participant definitions, exclusions, and references to other sections of the application.

1 Request IR-81: 2 3 Please refer to the table titled Rate and Bill Impacts of DSM on the Large General Class on page 4 4 of Appendix B - Attachment 2: Results by Rate Class (2027 - 2031 Preferred Plan), which shows 5 Active Participants a...

AI summary The response explains that Annual Participants refer to unique participants in a given year, while Active Participants refer to those currently experiencing savings from DSM programs. Active Participants are capped at the total number of NS Power participants by rate class, and annual participation declines over time based on the DSM Plan's program design.

3 NSP has projected 354 MW of net additional firm supply capacity coming online over the 4 next ten years. However, this includes 234 MW of cumulative peak reductions from 5 DSM. This value aligns with the IRP projection, and not with the...

AI summary NSP projects 354 MW of new firm supply capacity over the next decade, but this includes 234 MW of peak demand reductions from DSM. However, there is a 73 MW gap between the DSM savings planned and the IRP projection, which could require more expensive firm supply capacity if DSM savings do not meet IRP levels.

5 Q. DID E1 PERFORM ANY RATE AND BILL ANALYSIS OF THE IRP 6 SCENARIO? 7 A. Yes. E1 provided the IRP scenario RBIA as Attachment 2 – Appendix K, Scenario 3 in 8 its response to Synapse IR-02. Similar to the Preferred Scenario, both particip...

AI summary E1 conducted a rate and bill impact analysis (RBIA) for the Integrated Resource Plan (IRP) scenario, showing bill reductions for participants and minimal impacts on non-participants. The analysis assumes a counterfactual of no demand-side management (DSM) and compares the preferred scenario to a baseline with continued DSM.

Testimony and Proceeding Participation Forum On Behalf Of Docket/Matter Date Issues Addressed California Public Utility Commission Small Business Utility Advocates R. 21-02-014. Rulemaking to Address Energy Utility Customer Bill Debt Accum...

AI summary This section outlines various regulatory proceedings and testimony related to energy utility issues, including demand-side management plans, energy efficiency programs, and customer bill debt during the pandemic. It highlights involvement from entities such as the Consumer Advocate of Nova Scotia and Small Business Utility Advocates.

INNOVATIVE RATE DESIGN AND IMPACT EVALUATION STUDIES - Develop a technical brief in collaboration with DOE and Lawrence National Berkeley Lab on "Electricity Rate Designs for Large Loads: Evolving Practices and Opportunities". - For a larg...

AI summary The text discusses the development of a technical brief on electricity rate designs for large loads, in collaboration with DOE and Lawrence National Berkeley Lab. It also mentions Dr. Sergici's evaluation of a large southeastern utility's tariff offerings for large customers, developed based on marginal pricing principles.

Grid, Mr. Shetty is currently leading an engagement to study the utility's practices on allocating transmission costs across customer Sai P. Shetty brattle.com 5 of 7 - classes and propose appropriate alternatives that align with economic...

AI summary The text outlines Sai P. Shetty's consulting experience, including work on transmission cost allocation, FERC tests, rate assessments, and cost allocation reviews for various utilities. The focus is on rate design, cost allocation, and regulatory compliance.

Request IR-2: 2 Reference: E-23, Pages 11-13. 3 Preamble: Synapse concludes E1's Preferred Plan will deliver approximately 215 GWh 4 less in annual energy efficiency savings than the IRP assumes by 2031, and approximately 5 9 MW less in pe...

AI summary The document requests clarification from Synapse regarding the assumptions in the IRP's DSM savings, whether a RBIA was conducted to close the energy efficiency savings gap, and the methodology for allocating incremental investment. It also asks why NSPI's EE contributions were excluded from the comparison in Table 1.

(e) Where an updated IRP is currently underway by IESO-NS, please explain how Synapse proposes that any changes to the IRP's DSM savings assumptions during the 2027–2031 Plan period should be addressed, including whether those changes woul...

AI summary The response discusses the Integrated Resource Plan (IRP) and Demand Side Management (DSM) savings assumptions, noting that the IRP's DSM savings are not binding targets. The response highlights concerns about potential gaps in energy efficiency savings and mentions that no Rate and Bill Impact Analysis (RBIA) was conducted for closing these gaps. It also notes the absence of NS Power-administered energy efficiency programs.

- 2 (ii) Addition of SE for low-income customers who heat with oil 3 to E1's Preferred Plan: I did not recommend or estimate 4 annual investment levels for this option. - 5 (b) I have not independently calculated the quantified impact on e...

AI summary The text discusses the lack of independent calculations regarding the impact of E1's proposed spending levels on electricity costs and the RBIA for different investment levels. It also mentions reliance on E1's BCA calculations and NS Power's avoided cost inputs.

- 12 (i) Addition of SE Round 2 Modelling to E1's Preferred Plan: 13 E1 estimated the RBIA to each rate class of the $12.2 million 14 for SE in the Round 2 modelling. Please see my response 1 to IG IR-5 for these results. 2 (ii) Addition o...

AI summary The text discusses the addition of SE Round 2 Modelling to E1's Preferred Plan, focusing on the estimation of RBIA for a $12.2 million investment in SE. It also mentions the exclusion of SE for low-income oil-heating customers due to lack of investment level estimates.

Request IR-5: - (a) Did Synapse conduct a RBIA for the Round 2 SE results? If so, please provide the disaggregated rate class impacts. If not, please explain why not. - (b) Please confirm whether the Round 2 SE modelling used hourly load-s...

AI summary The document contains two questions related to Synapse's analysis of Round 2 SE results. The first asks whether a RBIA was conducted and requests disaggregated rate class impacts. The second inquires about the use of hourly load-shape data or annual averages in Round 2 SE modelling and its effect on the modified PAC calculation.

Response IR-5: (a) Synapse did not conduct a RBIA for the Round 2 SE results. However, E1 conducted a RBIA for the Round 2 SE results and provided this RBIA in response to Synapse IR-02 as Attachment 2, Appendix K: RBIA Round 2 – Scenario...

AI summary Synapse did not conduct a Rate and Bill Impact Analysis (RBIA) for the Round 2 SE results, but E1 did and provided it as Attachment 2, Appendix K. A snapshot of the disaggregated average rate impacts by rate class is presented in the table and figure.

M12780 - In the Matter of EfficiencyOne's (E1) 2027–2031 Demand Side Management (DSM) Resource Plan Application Customer Average Bill Impacts Residential Small General General Large General Small Industrial Medium Industrial Large Industri...

AI summary The document presents the customer average bill impacts for EfficiencyOne's 2027–2031 Demand Side Management (DSM) Resource Plan Application, showing percentage changes across various customer categories, including Strategic Electrification (SE) impacts.

23 Table 2. Change in Non-participant Bill Impacts (Average from '27-'46), Original vs. U-13 Rate Class U-13 Version Original Diff Residential 0.41% 0.46% -0.05% Small General 0.59% 0.66% -0.07% General 0.58% 0.66% -0.08% Large General 0.2...

AI summary Table 2 compares the average non-participant bill impacts across different rate classes under the U-13 version and the original plan, showing a decrease in bill impacts for most categories. The differences range from -0.05% to -0.12%, indicating a reduction in impact for the U-13 version compared to the original.

23 Green Energy Economics Response: 24 25 Confirmed that none of the utilities listed in exhibit E-21(iv) serve the seven jurisdictions listed in 26 the "Review of EfficiencyOne First-Year Costs and Unit Cost Reasonableness" provided by AP...

AI summary The response confirms that none of the utilities listed in exhibit E-21(iv) serve the seven jurisdictions mentioned in a review of EfficiencyOne's first-year costs and unit cost reasonableness, which was provided by APEX Analytics and included in M12789 as Attachment 2 to E1 response to IG IR-10.

- 2 Reference: Exhibit E-1, Application, page 36/71; and Exhibit E-1, Appendix B, Section 9, 27 2027–2031, representing approximately 64% of the 683.1 GWh savings target in NSPI's 20 to each class over the plan period. 21 (d) If, during th...

AI summary The text outlines a request (IR-6) regarding the process for introducing electrification measures under the modified-PAC test and the allocation of associated costs across rate classes during the 2027–2031 plan period. It also asks whether customers would be consulted and if Board approval would be required for cost allocation.

- 29 (a) Please provide: 1 (i) The complete rate-class allocation methodology, step by 9 (i) Notice period for interruptions; 10 (ii) Maximum number and length of interruptions allowable; 11 (iii) Dollar value of credit (including any capa...

AI summary The document requests detailed information on the rate-class allocation methodology for interruptions and the projected costs of the Smart Synergy program for 2027–2031, specifically for Medium and Large Industrial rate classes. It also raises concerns about the exclusion of Large Industrial Interruptible customers from the program and the justification for cost allocation.

The Industrial Group submitted: …NSPI's ratepayers have an interest in whether NSPI's executives and management team are appropriately compensated (not excessively or inadequately compensated) to attract and retain talent, and they are pro...

AI summary The Industrial Group emphasizes the importance of appropriate executive compensation for NSPI to attract talent and act in ratepayers' best interests, especially within the Emera Group. The Consumer Advocate links NS Power's request for increased ROE and equity thickness to potential executive compensation, arguing that without evidence of reasonableness, ratepayers cannot fully assess the justification for these increases.

Grid, Mr. Shetty is currently leading an engagement to study the utility's practices on allocating transmission costs across customer Sai P. Shetty brattle.com 5 of 7 - classes and propose appropriate alternatives that align with economic...

AI summary Sai P. Shetty is involved in multiple engagements related to utility rate design and cost allocation. These include studying transmission cost allocation practices, assisting with FERC's Seven-Factor and Mansfield Tests, conducting a comprehensive rate assessment for ATCO Electric, reviewing cost allocation for New Brunswick Power, and evaluating large residential rate design for Hydro-Québec.

- 26 (a) Does Synapse consider the IRP's DSM savings assumptions to be a 27 binding target or a directional planning assumption for the purposes of 28 evaluating E1's Preferred Plan? Please explain. 1 (b) Please confirm whether Synapse con...

AI summary The document includes questions about Synapse's evaluation of the Integrated Resource Plan (IRP) DSM savings assumptions, whether they are binding targets or directional planning assumptions, and requests for a Rate and Bill Impact Analysis (RBIA) for scenarios closing the energy efficiency savings gap. It also asks about the impact of lower DSM spending on electricity affordability and the recommended annual DSM investment level for the 2027–2031 Plan.

16 Request IR-5: - 17 (a) Did Synapse conduct a RBIA for the Round 2 SE results? If so, please 18 provide the disaggregated rate class impacts. If not, please explain why 19 not. - 20 (b) Please confirm whether the Round 2 SE modelling use...

AI summary The document requests information regarding Synapse's RBIA for the Round 2 SE results and whether hourly load-shape data or annual averages were used in the modelling for peak-hour capacity costs.