NOTICE DATE: May 23, 2025

NOTICE TYPE: M-A052325-01 Operations

SHORT DESCRIPTION: Proposed Revision to Maximum Daily Resource Planned Outage Capacity Methodology

INTENDED AUDIENCE: ERCOT Market Participants

DAYS AFFECTED: May 23, 2025

LONG DESCRIPTION: ERCOT is proposing revisions to the methodology used to calculate the Maximum Daily Resource Planned Outage Capacity (MDRPOC) and intends to request the ERCOT Board of Directors' approval of the revised methodology at its June 2025 meeting.  ERCOT's proposed revisions to the methodology are attached to this Market Notice. ERCOT requests comments on these revisions by June 9, 2025. Comments should be submitted to ERCOT via email to OCSupv@ercot.com.

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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