NOTICE DATE: December 30, 2022

NOTICE TYPE: M-C113022-02 Operations

SHORT DESCRIPTION:  Reliability analysis determination for Mountain Creek Power LLC (MCSES_UNIT8)


DAY AFFECTED:  March 1, 2023

LONG DESCRIPTION:  On November 30, 2022, ERCOT received a Notification of Suspension of Operations (NSO) for the following Generation Resource:


The NSO indicated that the Generation Resource will be seasonally mothballed beginning March 1, 2023.

Pursuant to ERCOT Protocols Section, ERCOT Evaluation of Seasonal Mothball Status, ERCOT has completed its reliability analysis and has determined that this Generation Resource is not required to support ERCOT transmission system reliability and may suspend operations according to the schedule in the NSO.

ADDITIONAL INFORMATION:  ERCOT has posted the analysis it performed to reach this determination on the Generation page of the Market Information System (MIS) Secure Area. An ERCOT Digital Certificate is required to access the MIS.

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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