Topic:"Rate Design" in M12247

Thermal Plant Depreciation Study Action Plan Item 3b - The GRA Settlement Agreement submitted to the UARB in 2023 recommended a Decarbonization Deferral Account (DDA) to recover undepreciated thermal asset net book values (NBV) and unrecov...

AI summary The GRA Settlement Agreement proposed a Decarbonization Deferral Account (DDA) to recover costs from thermal assets. NS Power will conduct a depreciation study to align depreciation rates with updated asset lifetimes, to be filed with the next GRA.

2025 Evergreen IRP Action Plan and Roadmap Update (NSEB M12247) NSPI Responses to Consumer Advocate Information Requests 1 Request IR-7: 2 3 The Consumer Advocate would be interested in an update on the relative rate impact 4 comparison (2...

AI summary The Consumer Advocate requested an update on the rate impact comparison between the 2020 IRP and NS Power's current forecast, particularly regarding changes in resource plan components and policy shifts. NS Power responded that the next general rate application in 2025 will reflect the near-term impact of The Path to 2030 resource plan, and that an updated IRP from the NSIESO will provide more accurate comparative rate assessments beyond 2030.

1 Request IR-1: 2 3 Regarding NS Power's plans regarding the addition of thermal combustion turbines. 4 5 (a) Has NS Power had any conversations with CT suppliers to collect updated pricing and 6 timelines for new thermal resources? 7 8 (b...

AI summary The document contains two requests and responses related to NS Power's procurement plans and rate impact analysis. Request IR-1 asks about conversations with CT suppliers regarding thermal combustion turbines, and the response indicates that NS Power has not engaged with suppliers since the NSIESO took over procurement. Request IR-2 asks for an updated rate impact analysis based on the Evergreen IRP, with a reference to another part of the document.

77), but it agrees the findings and recommendations in that matter are appropriate to the IRP process. NS Power has stated it expects to file the final DER Integration Roadmap report by year-end 2025. The Consumer Advocate's consultant, Gr...

AI summary NS Power agrees with findings from a prior proceeding (M12217) and plans to file a DER Integration Roadmap by 2025. GridStrategies and the Small Business Advocate recommend studying Phase 2 of the NS-NB Reliability Intertie in the Evergreen IRP Update and conducting a post-IRP rate impact evaluation, which the Board endorses.

Request IR-2: Please provide an updated rate impact analysis for the resource portfolio derived from the Evergreen IRP.

AI summary The document requests an updated rate impact analysis for the resource portfolio derived from the Evergreen Integrated Resource Plan (IRP), as part of a Nova Scotia regulatory proceeding. This analysis is required to evaluate the implications of the resource strategies outlined in the Evergreen IRP.

- 6 (a) If there is a scope of work that has been prepared, please provide. Did 7 NSPI have any input into the scope? If not, is NSPI satisfied that the work 8 will meet the needs of the utility and its ratepayers for planning purposes? -...

AI summary The text includes questions regarding the scope of work for a committee, the involvement of NSPI, the schedule for deliverables, and whether NSPI has updated the Relative Rate Effect Model appended to the 2020 IRP Final Report.

4. Relative Rate Impact Evaluation The last relative rate impact evaluation was provided in the 2020 IRP. In any direction the Board makes to the NSIESO, it should identify an update to the relative rate impact evaluation as an important c...

AI summary The 2020 Integrated Resource Plan (IRP) included a relative rate impact evaluation, which the Board should update in future reports to the NSIESO. NS Power has no current plans to conduct such an analysis, though the evaluation's context remains relevant for IRP model updates every five years.

CA Submission, Re: M12247 – Nova Scotia Power Inc. – 2025 Evergreen IRP Action Plan and Roadmap Update, August 19, 2025, page 2. CA Submission, Re: M12247 – Nova Scotia Power Inc. – 2025 Evergreen IRP Action Plan and Roadmap Update, August...

AI summary The Consumer Advocate (CA) submission discusses the need for updated Integrated Resource Plan (IRP) modeling by Nova Scotia Power (NSP) and the Nova Scotia Independent Energy System Operator (NSIESO) to ensure efficient resource procurement decisions. NSP indicates that a general rate application (GRA) will be filed in 2025, which will reflect the impact of The Path to 2030 resource plan on rates. NSP also states that it will not update the relative rate impact comparison document from the 2020 IRP at this time, contingent on an updated IRP from the NSIESO.

77), but it agrees the findings and recommendations in that matter are appropriate to the IRP process. NS Power has stated it expects to file the final DER Integration Roadmap report by year-end 2025. The Consumer Advocate's consultant, Gr...

AI summary NS Power plans to file its final DER Integration Roadmap by 2025. GridStrategies, acting for the Consumer Advocate, urges studying Phase 2 of the NS-NB Reliability Intertie in the Evergreen IRP Update. The Board agrees, referencing its prior approval of the Reliability Intertie Project (M12217). It also supports updating rate impact evaluations post-IRP completion unless NSIESO requires earlier action.