Topic:"Tariff Design" in M12749

Small General and General Service TOU The TOU off-peak rates for the Small General and General Service customers are higher than the respective standard offer rates for these classes. NS Power proposed leaving these customers at the higher...

AI summary The TOU off-peak rates for Small General and General Service customers exceed standard offer rates. NS Power proposed maintaining these higher rates during the suspended TVP program, with a requirement to amend the tariff to notify customers 15 days before resuming on/off-peak rates if systems are restored by February 15, 2026.

Small General and General Service CPP Like the Domestic CPP Tariffs, under NS Power's proposal, the Small General and General Service CPP customers would have a lower off-peak CPP rate than the standard offer rates. • The Board directs tha...

AI summary NS Power proposes lower off-peak CPP rates for Small General and General Service customers, mirroring Domestic CPP Tariff amendments. The Board mandates identical amendments to these tariffs, mutatis mutandis .

REDACTED Lisa Wallace Chief Clerk of the Board Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor Halifax, NS B3J 3S3 Re: M12749 – DRO Appeal – Christine Cameron Dear Ms. Wallace: On March 16, 2026 Christine Cameron contacted the...

AI summary Christine Cameron appeals a DRO decision regarding her participation in the TVP CPP program and billing issues. The Nova Scotia Energy Board directs NS Power to respond by April 1, 2026, addressing billing cycle timing, disputed consumption, and TVP CPP program participation. The appeal references prior DRO correspondence, account documentation, and meter test results.

3. Participation in the Critical Peak Pricing (CPP) Tariff Program - November 30, 2023 Ms. Cameron applied for and was accepted in NS Power's Domestic CPP Tariff program. This is referenced on page 1 of 2 in Confidential Attachment 4 . - O...

AI summary NS Power's CPP Tariff program was temporarily paused in 2025 due to a cyber incident, leading to a regulatory directive to revert participants to standard rates. Ms. Cameron disputed the rate increase, arguing she did not consent to higher charges. The NSEB and Board approved adjustments, allowing immediate CPP resumption post-system recovery with a 15-day grace period.

Summary NS Power agrees with the DRO's decision that Ms. Cameron has been appropriately billed for her energy consumption. 1 The TVP initial pilot project application filed in 2020 was approved by the NSEB on June 22, 2021 in M09777 2021 N...

AI summary NS Power agrees with the DRO's decision regarding Ms. Cameron's billing. The TVP pilot project was approved by the NSEB in 2021 and extended in 2024. The CPP Tariff includes provisions for limiting customer enrollment. Confidential attachments are omitted from the appeal.

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. (NSP) applied to extend 2025/26 Time Varying Pricing (TVP) tariffs, delayed by a cybersecurity incident impacting data extraction and billing systems. NSP proposed maintaining TVP with suspended on-peak billing (Option A) or pausing the program (Option B). Option B risks program viability and customer disruption, per NSP.

Multi-Unit Residential Building (MURB) TOU The Board is satisfied that there are no changes required to this Tariff since NS Power was able to implement manual processes to continue the program for that sector. The Board will issue its Ord...

AI summary The NSEB approves the MURB TOU tariff without changes due to NS Power's manual processes. The Board will approve the 2025/26 TVP Tariffs upon compliance filing. NS Power will update the Board on its Year Four Evaluation Report by December 31, 2025.

This means your savings will add up when you're paying a lower rate and there are no peak events. Through this Critical Peak Pricing Rate Pilot, we are looking to examine how shifts in the time of day that energy is used can benefit both c...

AI summary Nova Scotia Power Inc. (NSP) applied to extend Time Varying Pricing (TVP) Tariffs, effective November 1, 2025. The application was delayed due to a cybersecurity incident impacting data analysis. The Board panel includes Roland A. Deveau, Richard J. Melanson, and Steven M. Murphy.

t that NS Power incurred in the spring of this year. The cybersecurity breach has impacted NS Power’s ability to extract data from its systems to analyze its customers’ energy usage under the tariffs. NS Power stated that the impact of the...

AI summary NS Power faces operational challenges due to a cybersecurity breach, impacting its ability to manage TVP billing and critical peak events. It proposes two options for the 2025/26 season: maintaining TVP with suspended billing (Option A) or pausing the program (Option B). NS Power argues Option B risks the program's viability and customer experience, favoring Option A as the viable path forward.

NS Power submits that Option A is the only “viable path forward” because it “preserves customer enrollment, supports longer-term continuity of the TVP program, and minimizes disruption for customers”. Due to the delay in filing its TVP app...

AI summary NS Power advocates for Option A as the only viable path forward for the TVP program, emphasizing continuity and minimizing customer disruption. The Board raised concerns about revenue neutrality and system benefits, noting a potential $500,000 revenue shortfall if TVP tariffs are adopted. Expedited processing was requested to implement rates by November 2025, with stakeholder submissions received by October 2025.

rates. • The Board directs that the same amendments be made to these CPP Tariffs as were made to the Domestic CPP Tariff, mutatis mutandis. Multi-Unit Residential Building (MURB) TOU The Board is satisfied that there are no changes require...

AI summary The Nova Scotia Energy Board (NSEB) approves tariff amendments for CPP Tariffs, confirms no changes to MURB TOU due to NS Power's manual processes, and awaits compliance filings for 2025/26 TVP Tariffs. NS Power will update the Board by December 31, 2025, on its evaluation report. A cyber incident led to billing customers at standard rates instead of TVP rates until system recovery.

Customers are made aware of this potential through both the Tariff sheet The document lists the program as “Domestic Service Critical Peak Pricing Tariff”, no mention of a pilot program. 2. The document submitted “Tariffs 2025” clearly sta...

AI summary Customer argues that NS Power's approval email for Critical Peak Pricing (CPP) did not disclose the program's pilot status or potential permanence, contradicting NS Power's reliance on a 2025 NS Energy Board letter to equate CPP rates with standard residential rates. The customer emphasizes the email's lack of clarity on program terms.

13 Attachment Contents Relevant Details 1 Domestic Critical Peak Pricing (CPP) Tariff Approved in M11267; effective November 1, 2023 2 Enrolment materials and customer-facing documentation for 2023/24 Season (including December 2023) Provi...

AI summary This document outlines various attachments related to the Domestic Critical Peak Pricing (CPP) tariff and the Time-Varying Pricing (TVP) Pilot Program for the 2023/24 Season, including enrolment materials, customer communications, and program details. The CPP tariff was approved in M11267 and became effective on November 1, 2023.

NON-CONFIDENTIAL 1 2 tariffs as a pilot program ("TOU Tariff Pilot" and "CPP Tariff Pilot", respectively). 3 4 5 6 7 8 9 (b) The TOU Tariff Pilot and CPP Tariff Pilot will run from November 1, 2021 to October 31, 2023 and would include, in...

AI summary The document outlines the implementation of two pilot programs: the TOU Tariff Pilot and the CPP Tariff Pilot, which will run from November 1, 2021, to October 31, 2023. These programs have specific enrollment targets and reporting requirements, with participants allowed to switch between programs by a specified deadline.

DOMESTIC SERVICE CRITICAL PEAK PRICING TARIFF Page 1 of 3

AI summary The document introduces a Domestic Service Critical Peak Pricing (CPP) Tariff, a rate structure designed to manage demand during peak periods. It references Time Varying Pricing (TVP) as a related concept, though no detailed analysis or stakeholder positions are provided in the excerpt.

PURPOSE This is an optional tariff designed to promote the shifting of load from peak to off-peak periods. This tariff is available to customers who are eligible for service under the Domestic Service Tariff.

AI summary This optional tariff, known as Time Varying Pricing (TVP) or Critical Peak Pricing (CPP), aims to shift customer load from peak to off-peak periods. It is available to domestic service tariff customers, promoting demand management through time-based pricing structures.

CRITICAL PEAK EVENT PROCEDURE - 1. In the Winter Period, Critical Peak Events exclude all hours on the following holidays: January 1, Nova Scotia Heritage Day, Good Friday, Easter Monday, November 11, December 25 and December 26. If Januar...

AI summary The document outlines procedures for Critical Peak Events during winter, excluding holidays and weekends, with NSPI scheduling events based on high energy usage or outages. Customers are notified in advance, and charges apply during these periods. Limits restrict events to 18 per winter season and three per week.

HOW CAN YOU SHIFT YOUR ENERGY USE? Find out how you can save with these helpful tips on our website! [ENERGY SAVING TIPS](https://www.nspower.ca/time-of-day-rate-plans-residential#energy-tips)

AI summary The document promotes energy-saving strategies through time-varying pricing (TVP) and critical peak pricing (CPP), directing users to Nova Scotia Power's website for detailed tips on shifting energy use.

NON-CONFIDENTIAL Request IR-2: - Please explain in detail the methodology used to allocate the customer's consumption for the - November 14, 2025, to January 29, 2026, billing period across: - (a) The Critical Peak Pricing (CPP) pilot rate...

AI summary The request asks for a detailed explanation of the methodology used to allocate a customer's energy consumption during the billing period from November 14, 2025, to January 29, 2026, across three different rate periods: the Critical Peak Pricing (CPP) pilot, the 2025 standard domestic rate, and the 2026 standard domestic rate.

Request IR-1 Please provide the complete tariff provisions, customer terms and conditions, program rules, enrollment materials, FAQs, and any other customer-facing documentation applicable to the Time Varying Pricing / Critical Peak Pricin...

AI summary The customer is requesting documentation related to the Time Varying Pricing / Critical Peak Pricing (TVP/CPP) pilot program, including terms, conditions, and the Board's authority. The response indicates that while attachments were provided, they were not necessarily customer-facing and did not include terms or conditions presented to the customer.

Request IR-2 Please explain in detail the methodology used to allocate the customer's consumption for the November 14, 2025, to January 29, 2026, billing period across: (a) The Critical Peak Pricing (CPP) pilot rate period; (b) The 2025 st...

AI summary The document requests a detailed explanation of the methodology used to allocate a customer's energy consumption across three distinct billing periods: the Critical Peak Pricing (CPP) pilot rate period, the 2025 standard domestic rate period, and the 2026 standard domestic rate period.

Issued at Halifax, Nova Scotia, this 27th day of May 2026. Lisa Wallace, Chief Clerk of the Board Document: 330387 Date Filed: 05/27/26 Page 1 1 Request IR-1: 2 Please provide the complete tariff provisions, customer terms and conditions,...

AI summary The document contains five requests related to Nova Scotia Power Inc.'s Time Varying Pricing/Critical Peak Pricing (TVP/CPP) pilot program, including documentation, allocation methodology, communication about program suspension due to a cyber incident, invoicing practices, and estimation methods. The requests focus on rate design, tariff provisions, and program governance.