NOTICE DATE:  September 1, 2023

NOTICE TYPE:  W-A090123-01 Operations

SHORT DESCRIPTION:  Notice of Probability of Return for Mothballed and RMR Units

INTENDED AUDIENCE:  Resource Entities with Mothballed Generation Resources or RMR Units

DAY AFFECTED:  October 1, 2023

LONG DESCRIPTION:  This is a reminder that ERCOT Protocol Section 3.14.1.9, Generation Resource Status Updates, requires that, by April 1 and October 1 of each year, Resource Entities that own or control Mothballed Generation Resources or Reliability Must-Run (RMR) Units are required to report to ERCOT, on a unit-specific basis, the estimated lead time required for each Resource to be capable of returning to service and, in percentage terms, report probable generation capacity from each Resource that the Resource Entity expects to return to service in each Season of each of the next ten years.

ACTION REQUIRED:  ERCOT requests that Resource Entities comply with the above requirement by submitting their updates by October 1, 2023 using the attached form.

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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