NOTICE DATE: May 25, 2023

NOTICE TYPE: M-B052523-01 Operations

SHORT DESCRIPTION: Notification of Change of Generation Resource Designation (NCGRD) for Petra Nova Power I LLC - PNPI_GT2

INTENDED AUDIENCE: ERCOT Market Participants

DAY AFFECTED: June 28, 2023

LONG DESCRIPTION: On May 25, 2023 ERCOT received a NCGRD for the following Generation Resource:

• Petra Nova Power I LLC – PNPI_GT2

The NCGRD indicates that as of June 28, 2023, the Generation Resource, which is currently mothballed, will return to year-round service.

ADDITIONAL INFORMATION: Pursuant to ERCOT Protocols Section 3.14.1.9(2), ERCOT has posted the notification in the list titled “Notice of Change of Generation Resource Designation” 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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mm