Topic:"System Reliability" in M12717

BEFORE THE NOVA SCOTIA ENERGY BOARD OF THE PROVINCE OF NOVA SCOTIA North American Electric Reliability ) Corporation ) FOURTH QUARTER 2025 APPLICATION FOR APPROVAL OF DEFINITIONS USED IN RELIABILITY STANDARDS OF THE NORTH AMERICAN ELECTRIC...

AI summary This document is an application for the approval of definitions used in reliability standards by the North American Electric Reliability Corporation (NERC) during the fourth quarter of 2025.

February 25, 2026 I. NOTICE AND COMMUNICATIONS 3 II. REQUEST FOR APPROVAL OF DEFINITIONS USED IN RELIABILITY STANDARDS 3 A. B. C. 1. BACKGROUND: NERC QUARTERLY FILING OF PROPOSED RELIABILITY STANDARDS 3 OVERVIEW OF NERC RELIABILITY STANDAR...

AI summary This document outlines an application for the approval of definitions used in reliability standards by the North American Electric Reliability Corporation (NERC) for the Fourth Quarter of 2025. It includes background on NERC, the reliability standards development process, and revised definitions related to generator owner and generator operator.

II. REQUEST FOR APPROVAL OF DEFINITIONS USED IN RELIABILITY STANDARDS

AI summary The document presents a request for approval of definitions used in reliability standards, involving entities such as NERC, FERC, NSEB, and BPS. It seeks regulatory validation of terminology critical to ensuring bulk-power system reliability under Nova Scotia's energy governance framework.

C Glossary to the NSUARB, and on July 20, 2011, the NSUARB issued a decision approving these documents. [7](#page-4-2) In that decision, the NSUARB approved a quarterly review process for considering 5 See Memorandum of Understanding betwe...

AI summary The NSUARB approved a quarterly review process for NERC reliability standards, requiring FERC approval before processing applications. The NSUARB does not require approval for Violation Risk Factors and Severity Levels but accepts them as guidance. Key documents include a 2006 and 2010 Memorandum of Understanding and a 2011 NSUARB decision.

cedure, Appendix 5B, Statement of Compliance Registry Criteria, available at https://www.nerc.com/AboutNERC/RulesOfProcedure/Appendix%205B%20eff%2020240627_signed.pdf [hereinafter Registry Criteria]. 16 Order Approving Revisions to North A...

AI summary The document revises definitions of Generator Owner and Generator Operator under NERC's Registry Criteria, requiring registration for non-BES Inverter-Based Resources with ≥20 MVA capacity at ≥60 kV. This aligns with FERC-approved changes, impacting eight Reliability Standards without further revisions.

Glossary of Terms Used in NERC Reliability Standards Updated February 17, 2026 This Glossary lists each term that was defined for use in one or more of NERC's continent-wide or Regional Reliability Standards and adopted by the NERC Board o...

AI summary The document is a glossary of terms defined in NERC's continent-wide and regional reliability standards from 2005 to 2026. It is organized into sections such as 'Subjectto Enforcement' and 'Retired Terms,' reflecting the evolution and regulatory status of these definitions.

Any comments regarding this glossary should be reported to the NERC Help Desk. Select "Standards" from the "Service" drop-down menu and "Other" from the Standards Subcategory drop-down menu. Subject to Enforcement 001 when frequency is gre...

AI summary The text provides definitions related to frequency control and time error correction in the context of bulk power systems. It outlines terms such as frequency thresholds, binary indicators for interconnected systems, and adjustments for time error corrections.

3 FERC approved the WECC Tier One Reliability Standards in the Order Approving Regional Reliability Standards for the Western Interconnection and Directing Modifications, 119 FERC ¶ 61,260 (June 8, 2007). In that Order, FERC directed WECC...

AI summary The text discusses the approval of WECC Tier One Reliability Standards by FERC in 2007 and the subsequent development of replacement standards to address inconsistencies with NERC Glossary definitions. These replacement standards were filed with FERC in 2009.

M12717 – North American Electric Reliability Corporation – Quarterly Application for Approval of Reliability Standards – Fourth Quarter 2025 This will acknowledge receipt of the North American Electric Reliability Corporation (NERC) Fourth...

AI summary The Board acknowledges receipt of NERC's Q4 2025 reliability standards application, available as Exhibit N-1 under Matter M12717. Comments are due by March 25, 2026, with the Board considering factors under the More Access to Energy Act, including reliability impacts, costs, and public interest. NS Power may address cost implications.

March 25, 2026 Crystal Henwood Clerk of the Board Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor Halifax, NS B3J 3S3 Re: North American Electric Reliability Corporation – Quarterly Application for Approval of Reliability Stand...

AI summary NS Power confirms no comments on NERC's Fourth Quarter 2025 reliability standards application. The Nova Scotia Energy Board invited stakeholder input, with a deadline of March 25, 2026. NS Power's submission indicates neutrality on the proposed standards.

- transitioning to the Independent Energy System Operator of Nova Scotia (IESO-NS). Accordingly, 32 implementation of and compliance with applicable NERC reliability standards related to those 33 roles and adopted in Nova Scotia will becom...

AI summary The document discusses the transition of system operator functions from NS Power to IESO Nova Scotia, including compliance with NERC reliability standards and the statutory mandate of IESO Nova Scotia under the More Access to Energy Act. It outlines the timeline of NERC reliability standards and the transition of regulatory oversight from the NSUARB to the NSEB.

- NSEB. However, NERC's Applications usually contain a table showing the NERC effective dates - in the United States for each of the applicable Reliability Standards (such as the table from NERC's - Q3 2025 application reproduced above). W...

AI summary The NSEB is requested to confirm effective dates for NERC's reliability standards in Nova Scotia. NERC applied for revised definitions with a retroactive effective date, but the IESO does not anticipate negative impacts and is open to a future effective date.

3.0 CONCLUSION In summary, IESO Nova Scotia has reviewed the Q4 NERC Reliability Standards application and recommends the NSEB approve the revised definitions of Generator Owner and Generator Operator. The IESO does not foresee negative im...

AI summary IESO Nova Scotia recommends NSEB approve revised definitions of Generator Owner and Generator Operator under Q4 NERC Reliability Standards. The IESO does not anticipate negative impacts from a retroactive effective date of January 1, 2026, and does not oppose a future effective date determined by NSEB.

M12717 – North American Electric Reliability Corporation – Quarterly Application for Approval of Reliability Standards – Fourth Quarter 2025 The Board Member assigned to this matter is Richard J. Melanson, LL.B. The Board has reviewed the...

AI summary The Board reviews NERC's application to revise glossary definitions for Generator Owner (GO) and Generator Operator (GOP) with an effective date of January 1, 2026. The IESO notes no anticipated negative impacts but does not object to a future effective date. The Board seeks information to avoid unintended consequences, considering the transition of system operator functions from NS Power to IESO.

NOVA SCOTIA ENERGY BOARD IN THE MATTER OF: THE PUBLIC UTILITIES ACT - and - IN THE MATTER OF: AN APPLICATION by NORTH AMERICAN ELECTRIC RELIABILITY CORPORATION for Approval of Reliability Standards - Fourth Quarter 2025

AI summary The Nova Scotia Energy Board is considering an application by North American Electric Reliability Corporation (NAERC) under the Public Utilities Act for approval of reliability standards for the fourth quarter of 2025. The proceeding involves regulatory review of reliability requirements in the electricity sector.

Several existing IBRs that might be subject to NERC reliability standards are not owned or operated by either NS Power or the IESO-Nova Scotia. That will also be the case for most of the planned IBRs. Non-public utility entities, who are n...

AI summary The Board notes that many IBRs are not owned by NS Power or the IESO-Nova Scotia and may fall under new reliability standards. This could affect non-utility entities not currently registered with NERC. The Board plans to seek input from affected entities but acknowledges the lack of current communication with many of them.

PO Box 910 Halifax, Nova Scotia Canada B3J 2W5 August 7, 2026 REDACTED Crystal Henwood Clerk of the Board Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor Halifax, NS B3J 3S3 Re: North American Electric Reliability Corporation –...

AI summary The Nova Scotia Energy Board (NSEB) is processing an application from the North American Electric Reliability Corporation (NERC) regarding reliability standards for the Fourth Quarter of 2025 and the First Quarter of 2026. The Board notes that some entities may be subject to new reliability standards, but acknowledges that the regulatory framework for these entities is not yet finalized under the More Access to Energy Act.