Topic:"Wholesale Market Operation" in M12725

2025 Wholesale and Renewable to Retail Market Report Nova Scotia Power System Operator March 2, 2026 NON-CONFIDENTIAL

AI summary The 2025 Wholesale and Renewable to Retail Market Report, prepared by Nova Scotia Power System Operator on March 2, 2026, is a non-confidential document outlining market conditions and operations in the wholesale and renewable energy sectors.

1.0 INTRODUCTION The Nova Scotia Wholesale Electricity Market (Wholesale Market) was opened to competition effective February 1, 2007. At that time, the Nova Scotia Wholesale Electricity Market Rules, which define the rights and obligation...

AI summary The document outlines the history and structure of the Nova Scotia Wholesale Electricity Market and the Renewable to Retail (RTR) Market, including regulatory changes and reporting requirements directed by the Nova Scotia Utility and Review Board (NSUARB) and its successor, the Nova Scotia Energy Board (NSEB). It references specific Market Rules and Board letters that define the scope and operation of the markets.

M07951, Nova Scotia Power Inc. System Operator 2016 Wholesale Market Report, NSUARB Letter, June 29, 2017. 1 dispute and whether settled or still outstanding. 2 3 9. A general description of activities under Chapter 3 of the Market Rules -...

AI summary The document outlines the NSPSO's 2016 Wholesale Market Report, including questions about reliability audits, outage management systems, and implementation of market rules. It also references a Board order requiring the inclusion of an RTR market report and semi-annual updates starting in 2018. A later filing in 2026 notes the discontinuation of the last annual report filed in 2025.

4 M09851, NSUARB letter, October 2, 2020. 1 2.0 OATT STANDARDS OF CONDUCT REVIEW 26 Redline versions of the SoC documents (001 and 006) are provided in Appendix 1. Additionally, 27 all OATT documents SoC-001 through 006 are posted on the O...

AI summary The document references a review of the OATT Standards of Conduct (SoC) documents and discusses eligibility criteria for participation in the wholesale and Renewable to Retail electricity markets under the Nova Scotia Wholesale and Renewable to Retail Electricity Market Rules.

131415 16 17 The following is a description of the inquiries responded to in relation to the Wholesale Market between January 1, 2025, and December 31, 2025, providing an indication of the level of market activity: 1819 • Nine requests for...

AI summary The document outlines inquiries related to the Wholesale Market between January 1, 2025, and December 31, 2025, noting that nine requests for the Transmission Information Package were fulfilled and referencing the OATT Transmission Service Queued System Impact Studies on OASIS.

4 Applicant Application Date Class/Classes of Market Participation (Market Rules 2.1.2) There were no applicants as of December 31, 2025 12 Licensed Retail Supplier Customer 1 6.0 WHOLESALE AND RENEWABLE TO RETAIL MARKET ADVISORY 2 COMMITT...

AI summary The document outlines the structure and history of the Wholesale and Renewable to Retail Market Advisory Committee (WRTRMAC), including its activation in 2013, rebranding in 2016, and its current membership composition, which includes representatives from various entities such as NSPSO, NS Power, and independent generators.

14.0 ITEMS NOT FULLY IMPLEMENTED - Items previously identified include the posting of Market Procedure MP-03, which is not required - under the present Wholesale Market structure. Under the Wholesale Electricity Market, credit - requiremen...

AI summary The posting of Market Procedure MP-03 is not required under the current Wholesale Market structure. Credit requirements are managed by the Ontario Energy Board (OATT) within the Wholesale Electricity Market, leading to the indefinite non-implementation of this item.

15.0 ADDITIONAL ITEMS - The function of System Operator for Nova Scotia is in the process of transitioning from NS Power - to the Nova Scotia Independent Electricity System Operator (IESO-Nova Scotia). As transition - plans are finalized a...

AI summary The System Operator function in Nova Scotia is transitioning from NS Power to IESO-Nova Scotia, potentially impacting wholesale and renewable-to-retail electricity markets. However, as of December 31, 2025, no additional items require reporting to aid the NSEB in understanding these markets.

16.0 RENEWABLE TO RETAIL MARKET PROGRESS The RTR Market opened in June 2016. In its Decision dated March 23, 2016, the NSUARB directed as follows: The Board will require regular reporting from NSPI as this market develops. NSPI is to inclu...

AI summary The Renewable to Retail (RTR) Market, established in June 2016, has seen limited customer participation, with no activity as of December 31, 2025. The NSUARB directed regular reporting on the RTR Market, which was later discontinued in 2020. NS Power provided a sample unbundled rates illustration and agreed to post segregated cost information for stakeholder review.

2.0 Scope 2.1 OASIS is intended to be the primary information link between the Transmission Operator and Transmission Customer (those involved in the Wholesale Marketing Function). OASIS should not be used to communicate with other System...

AI summary The OASIS system serves as the primary communication tool between the Transmission Operator and Transmission Customers for wholesale marketing functions. It should not be used for inter-system operator communications, such as with the NB Operator. During system emergencies, OASIS messages must be posted to enable curtailment of transactions and other operational adjustments.

2.5 Post an OASIS message following Generation Restrictions This allows the NS Power System Operator to order units to operate out of schedule or shed interruptible loads. The NS Power System Operator may have to contact Marketers directly...

AI summary The NS Power System Operator can direct units to operate out of schedule or shed interruptible loads during generation restrictions. Direct communication with Marketers may be required to convey the severity of the situation, highlighting operational flexibility and stakeholder coordination in grid management.

3.0 NSPI WHOLESALE MARKETING & SALES FUNCTION (YELLOW BOX) Employees who could use this information in their current job function to have a competitive advantage over other market participants.

AI summary The document discusses NSPI's wholesale marketing and sales function, highlighting that employees using specific information in their roles could gain a competitive advantage over other market participants within this function.

4.0 ENERGY DELIVERY (TRANSMISSION) & WHOLESALE MARKETING (WHITE BOX) Employees whose job function require a working knowledge of both Energy Delivery (Transmission) and Wholesale.

AI summary The document section focuses on employees requiring expertise in both Energy Delivery (Transmission) and Wholesale Marketing, highlighting the need for cross-functional knowledge in these areas.

2025 Wholesale and Renewable to Retail Market Report (NSEB M12725) NSPI Responses to NSEB Information Requests

AI summary The document outlines the 2025 Wholesale and Renewable to Retail Market Report (NSEB M12725) and includes NSPI's responses to NSEB information requests, providing insights into market dynamics and regulatory compliance.

2025 Wholesale and Renewable to Retail Market Report (NSEB M12725) NSPI Responses to NSEB Information Requests

AI summary The document outlines the 2025 Wholesale and Renewable to Retail Market Report (NSEB M12725) and includes NSPI's responses to information requests from NSEB. It provides insights into the wholesale and renewable energy markets and how they relate to retail operations.

NON-CONFIDENTIAL 1 2 3 1.1.4, Scope of eligibility for participation in the wholesale electricity market and Renewable to Retail electricity market 4 5 6 7 1.1.4.1, Eligibility for participation in the wholesale and Renewable to Retail ele...

AI summary This document outlines the eligibility criteria for participation in the wholesale and Renewable to Retail electricity markets in Nova Scotia, referencing the Electricity Act and the Transmission Tariff. It defines eligible participants, including wholesale customers, electric utilities, power marketers, and retail customers under specific conditions.

M12725 – Nova Scotia Power Incorporated – 2025 Wholesale and Renewable to Retail Market Report On March 2, 2026, Nova Scotia Power Incorporated filed its 2025 Wholesale and Renewable to Retail Market Report. NS Power provided more informat...

AI summary Nova Scotia Power Incorporated filed its 2025 Wholesale and Renewable to Retail Market Report, including revisions to its Open Access Transmission Tariff Standards of Conduct. The report details market activity, active studies, and the status of accredited market participants. The Board approved confidentiality requests for some information.

NOVA SCOTIA ENERGY BOARD IN THE MATTER OF: THE PUBLIC UTILITIES ACT - and - IN THE MATTER OF: AN APPLICATION by NOVA SCOTIA POWER INCORPORATED's 2025 Wholesale and Renewable to Retail Market Report

AI summary The Nova Scotia Energy Board is considering an application by Nova Scotia Power Incorporated for approval of its 2025 Wholesale and Renewable to Retail Market Report under the Public Utilities Act. The report outlines the company's plans for wholesale energy markets and renewable energy integration.

Request IR-3: - On page 11, Figure 3 lists no applicants for accreditation to become a market participant as of - December 31, 2025. In the recent 2025 10-Year System Outlook report, the report lists several - entities providing various fo...

AI summary The document requests clarification on market participant classifications, noting no applicants for accreditation by 2025 despite existing entities like Port Hawkesbury Paper (Wind) and NS Community Solar. Questions address why new generation isn't listed, criteria for classifying load/generation participants, and when independent producers qualify as market participants.

M12725 – Nova Scotia Power Incorporated – 2025 Wholesale and Renewable to Retail Market Report On March 2, 2026, Nova Scotia Power Incorporated filed its 2025 Wholesale and Renewable to Retail Market Report. NS Power provided more informat...

AI summary Nova Scotia Power Incorporated filed its 2025 Wholesale and Renewable to Retail Market Report, providing updates on tariff standards, market activity, and market participants. The report was filed with some information kept confidential under Board Regulatory Rules. The Board approved the confidentiality requests, and the report highlights ongoing market operations and advisory committee activities.