NOTICE DATE: July 18, 2024

NOTICE TYPE: M-A121923-02 NPRR

SHORT DESCRIPTION: Partial Implementation Details of PGRR098, Consideration of Load Shed in Transmission Planning Criteria (remaining language)

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: August 1, 2024

LONG DESCRIPTION: On August 1, 2024, remaining Planning Guide language associated with Planning Guide Revision Request (PGRR) 098, Consideration of Load Shed in Transmission Planning Criteria, will be implemented. Specifically, PGRR098-related changes in the following Sections will be implemented:

• Paragraph (7) of Section 4.1.1.1, Planning Assumptions
• Paragraph (1) of Section 6.10, Contingency Filing Requirements

PGRR098 adds language to the existing reliability performance criteria to allow a corrective action plan to be developed under certain outage scenarios.

ADDITIONAL INFORMATION: Pursuant to Planning Guide Section 1.2.5, Planning Guide Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later than ten days prior to implementation.

PGRR098 and associated documents can be found on the ERCOT website.

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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