NOTICE DATE: November 17, 2023

NOTICE TYPE: M-C102023-03 Operations

SHORT DESCRIPTION:  Reliability analysis determination for Chisholm Grid LLC (CHISMGRD_BES1, CHISMGRD_LD1)

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  November 1, 2024

LONG DESCRIPTION:  On October 20, 2023, ERCOT received a Notification of Suspension of Operations (NSO) for the following Generation Resources:

• Chisholm Grid LLC (CHISMGRD_BES1, CHISMGRD_LD1)

The NSO indicated that Chisholm Grid LLC would temporarily suspend operation of the Generation Resources for a period of not less than 14 months and not greater than 18 months due to some reason other than a Forced Outage, as of November 1, 2024. The NSO further stated that the Generation Resources have a summer Seasonal Net Max Sustainable Rating of 101.7 MW and a summer Seasonal Net Minimum Sustainable Rating of 0 MW.

Pursuant to ERCOT Protocols Section 3.14.1.2, ERCOT completed its reliability analysis and determined that the Generation Resources are 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 reliability analysis it performed to reach the determination that the Generation Resources are not required to support ERCOT transmission system reliability 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 ClientServices@ercot.com.

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