NOTICE DATE: November 16, 2023

NOTICE TYPE: M-A111623-01 Operations

SHORT DESCRIPTION: Updated data specifications and mapping document for NERC Reliability Standards IRO-010-4 and TOP-003-5

INTENDED AUDIENCE: NERC-registered Generator Owners, Generator Operators, Transmission Operators, Transmission Owners, and Distribution Providers

DAYS AFFECTED: November 16, 2023

LONG DESCRIPTION: ERCOT maintains a mapping document of its data specifications necessary to perform its Operational Planning Analyses, Real-Time Monitoring, and Real-Time Assessments pursuant to North American Electric Reliability Corporation (NERC) Reliability Standards IRO-010-4 and TOP-003-5. ERCOT has revised its NERC IRO-010 and TOP-003 Mapping Document as of November 16, 2023. Changes from the prior version of the mapping document were discussed at the Texas RE NERC Standards Review Forum (NSRF) meeting on November 16, 2023.

ADDITIONAL INFORMATION: The NERC IRO-010 and TOP-003 Mapping Document is posted under Key Documents on the Compliance page of the ERCOT website. As of November 16, 2023, the current version is v.12.

CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask].

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