NOTICE DATE: March 5, 2025

NOTICE TYPE: M-B030525-01 Operations

SHORT DESCRIPTION: ERCOT manual action for Day-Ahead Market (DAM) for Operating Day (OD) March 5, 2025

INTENDED AUDIENCE: Qualified Scheduling Entities

DAYS AFFECTED: DAM for Operating Day (OD) March 5, 2025

LONG DESCRIPTION: On March 4, 2025, ERCOT took a manual action in accordance with Protocol 4.1.2 (2), Day-Ahead Process and Timing Deviations. An internal character data precision error required ERCOT to manually remove twelve (12) capacitor-related outages from the DAM optimization engine for OD March 5, 2025.

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 ClientServices@ercot.com.

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dg/mm