Topic:"Regulatory Approval Processes" in M12499

October 1, 2025 Crystal Henwood Regulatory Affairs Officer/Clerk Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor P.O. Box 1692, Unit "M" Halifax, NS B3J 3S3 Re: Year Four (2024/25) Evaluation Report Update and Proposed Approach...

AI summary Nova Scotia Power (NS Power) requested an extension for the Year Four (2024/25) Time Varying Pricing (TVP) Evaluation Report due to a cyber incident. The Nova Scotia Energy Board (NSEB) agreed to defer the filing and requested further specifics regarding the report and the proposed 2025/26 TVP Tariffs. NS Power is now submitting an update and the proposed approach for the 2025/26 TVP Tariffs.

Relief Sought While the need for temporary modificationsto the TVP pilot is disappointing – particularly in light of the significant progress and momentum achieved to date – it reflects the only viable path forward under current system con...

AI summary NS Power acknowledges the need for temporary modifications to the TVP pilot but remains committed to its long-term success. The company plans to reschedule a technical session and provide updates from previous proceedings. It also seeks relief from the NSEB and intends to continue stakeholder engagement.

December 8, 2025 Crystal Henwood Regulatory Affairs Officer/Clerk Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor P.O. Box 1692, Unit "M" Halifax, NS B3J 3S3 Re: M12499 Proposed Approach for the 2025/26 Time-Varying Pricing (TV...

AI summary Nova Scotia Power submitted a compliance filing in response to the Nova Scotia Energy Board's decision regarding the 2025/26 Time-Varying Pricing (TVP) Tariffs. The Board directed NS Power to amend TVP Time-of-Use (TOU) and Critical Peak Pricing (CPP) Tariffs to align with standard offer rates during system unavailability and to notify customers once functionality is restored.

n revised Tariffs. The redline Tariffs appended to this correspondence are the current approved version of these Tariffs, rather than those proposed in the 2026-2027 General Rate Application (M12451). To assist the Board's review of this c...

AI summary The document provides revised tariffs approved by the NSEB, referencing the M12499 Board Decision. It includes a table summarizing the revisions and implementation details, aiding the Board's review of the compliance filing.

Schedule B) amended to 17.567 cents per kWh (first 200 kWh) and 15.841 cents per kWh (all additional kWh), plus applicable riders. General CPP rates (Schedule C) amended to 14.287 cents per kWh (first 200 kWh per kW demand) and 10.990 cent...

AI summary The document outlines adjustments to Time-Varying Pricing (TVP) rates, including General CPP and TOU rates, following a cybersecurity breach. It emphasizes communication with TVP participants, ensuring no re-enrollment is required once systems are restored. NS Power will provide an update on the Year Four Evaluation Report by December 31, 2025, as per NSEB's directive.

M12499 – Board Decision, 325286, page 5. October 28, 2025.

AI summary The document references a Board Decision numbered M12499, dated October 28, 2025, and includes page 5 of a proceeding related to case number 325286. It provides context for a regulatory proceeding in Nova Scotia.

October 28, 2025 Regulatory Counsel Nova Scotia Power Inc. 1223 Lower Water St Halifax, NS B3J 3S8 Kathleen Murray [[email protected]](mailto:[email protected]) Dear Ms. Murray:

AI summary A letter dated October 28, 2025, from Regulatory Counsel at Nova Scotia Power Inc. to Kathleen Murray, addressing a regulatory proceeding. The letter includes contact information and is likely related to a formal communication in a regulatory process.

m is effectively suspended, no load shifting can occur and, under NS Power's proposal, customers would be paying different rates but receiving the same service as customers under the standard tariffs. The issue of a pilot and the applicati...

AI summary The document discusses the suspension of load shifting under NS Power's proposal, where customers would pay different rates but receive the same service. It references a previous pilot program (M12171) that waived interest charges for customers in arrears, noting that the Board approved it due to minimal financial impact. In contrast, the current matter involves potential lost revenues of up to $500,000, which is significantly higher and not offset by other considerations.

October 9, 2025 Crystal Henwood Regulatory Affairs Officer/Clerk Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor Halifax, NS B3J 3S3 Re: M12499 – Nova Scotia Power Inc. – Proposed Approach for the 2025/26 Time Varying Pricing T...

AI summary Nova Scotia Power (NS Power) submitted an update on the systems required for the 2024/25 Time Varying Pricing (TVP) Evaluation Report and proposed an approach for the 2025/26 TVP Season. The Nova Scotia Energy Board (NSEB) raised questions about the proposal and provided an expedited timeline for review, to which NS Power responded with clarifications.

2 M12499 – NSEB Letter, 324825, page 2. Question/Comment as stated in the NSEB's October 7, 2025 Letter2 NS Power's Response/Clarification Question/Comment as stated in the NSEB's October 7, 2025 Letter2 NS Power's Response/Clarification

AI summary The document presents a table from a regulatory proceeding, listing questions or comments from the Nova Scotia Energy Board (NSEB) and corresponding responses or clarifications from NS Power. It includes a reference to a specific matter number (M12499) and page number from the NSEB's letter dated October 7, 2025.

8 th Floor - 1690 Hollis Street PO Box 7 Halifax, NS B3J 1T0 Phone: 902-266-4255 Fax: 902-424-1730 Daniel Boyle Barrister & Solicitor October 16, 2025 Ms. Crystal Henwood Regulatory Affairs Officer/Clerk of the Board Nova Scotia Energy Boa...

AI summary The Department of Energy provides comments and questions for the Board's consideration regarding the first question/response on page 3 of NS Power's letter of October 9, 2025, in the context of the application for approval of 2025/26 Time Varying Pricing Tariffs.

- a) When did NS Power first learn that they would not have the capability to measure TVP loads? Has there been any changes in the participants, either joining or leaving, since the cyber security incident? - b) Should service to customers...

AI summary The document includes a series of questions directed at NS Power regarding TVP and CPP programs, including concerns about customer enrollment, equity, cost recovery, and the impact of a cyber security incident. It also explores potential modifications to the proposed rates and the implications of not deriving load impacts analytically.

ason. At the current scale, TVP has a relatively modest impact on system 10 SBA Comments, page 3. 11 SBA Comments, page 5. 12 The TVP Tariff Pilot was established following significant stakeholder engagement and input through M09777 result...

AI summary The SBA comments on the impact of Time-Varying Pricing (TVP) on the system, noting its modest effect on peak load. The TVP Tariff Pilot was established through stakeholder engagement and consensus agreements, with updates in the 2024/25 application. The Company continues to coordinate with EfficiencyOne on demand response events, separate from the TVP program.

M12499 – Nova Scotia Power Inc. – Application for Approval of 2025/26 Time Varying Pricing Tariffs Nova Scotia Power Inc. applied on October 1, 2025, to extend the Time Varying Pricing (TVP) Tariffs, effective November 1, 2025. The Board p...

AI summary Nova Scotia Power Inc. applied to extend Time Varying Pricing (TVP) Tariffs for 2025/26, delayed by a cybersecurity incident. The application proposes either suspending on-peak and critical peak billing or fully pausing the TVP program. NS Power argues Option A is the only viable path to preserve program continuity and customer experience. The Board requested stakeholder input and received submissions from multiple parties.

are now well underway. The Company has made every effort to regain all systems in a timely manner and expects the remaining datasets required to initiate TVP EM&V to be available by mid-January 2026. - 2. Step 2 Control Group Selection & B...

AI summary NS Power is updating the Board on the progress of the TVP EM&V process, including data collection and report preparation. The Company requested relief to defer certain Board directives and Consensus Agreement commitments, but this was not granted. NS Power is requesting approval for continued program continuity.

his relief was not included as part of the Board's Decision or Order. The Company has provided Attachment 1 for the Board's review. In summary, NS Power respectfully requests the Board's approval to: - 1. File the Year 4 Report in Q2 2026,...

AI summary NS Power requests the NSEB's approval to file the Year 4 Report in Q2 2026 and to defer certain Board directives and Consensus Agreement commitments to future sessions or the Year Four Report. The Company has provided Attachment 1 for review.

em and data availability following the cyber incident, additional time is required to complete the report. NS Power proposed to file its Year Four Report in Q2 2026, or earlier if it is able to do so. In its present request, NS Power also...

AI summary NS Power requested an extension for filing its Year Four EM&V report and deferral of certain directives. The Board approved the extension to June 30, 2026, and the deferral, requiring NS Power to report on the status of these directives in its report.