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NOTICE DATE: April 13, 2021

NOTICE TYPE: W-A050420-04 Operations

SHORT DESCRIPTION: Updates to the Generic Limits for the Nelson Sharpe - Rio Hondo, North Edinburg – Lobo and Valley Export Generic Transmission Constraints (GTCs)


DAY AFFECTED: April 15, 2021

LONG DESCRIPTION: Based on the results of the Quarterly Stability Assessment (QSA) for Q2 of 2021, performed pursuant to Planning Guide Section 5.9, Quarterly Stability Assessment, ERCOT has identified updates to the Generic Transmission Constraints (GTC) in the Nelson Sharpe - Rio Hondo, North Edinburg – Lobo, and Valley Export areas. These updates result from the installation of new Generation Resources in the region.

The purpose of this notice is to provide contemporaneous notification to all ERCOT Market Participants of this updates to the Nelson Sharpe - Rio Hondo, North Edinburg – Lobo, and Valley Export GTCs. ERCOT will begin enforcing the updated limits for these GTCs on April 15, 2021.

Details associated with all GTCs (EMIL ID NP3-766-M, Report ID 11424) can be found on the ERCOT Market Information System (MIS) Grid Transmission page under the Generic Transmission Limits Secured Area. A Digital Certificate is required to access the MIS Secure Area.

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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