***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. *****

NOTICE DATE:  March 4, 2019

NOTICE TYPE:  W-X030419-01 Operations

SHORT DESCRIPTION:  Update to the Generic Limits for the McCamey Generic Transmission Constraint

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  March 6, 2019

LONG DESCRIPTION:  Based on the results of the Quarterly Stability Assessment (QSA) for Q1 of 2019, performed pursuant to Planning Guide Section 5.9, Quarterly Stability Assessment, ERCOT has identified updates to the Generic Transmission Constraint (GTC) in the McCamey area. The updates result from the installation of new Generation Resources in the region. The GTC was established in March 2018 to address instability issues in the McCamey area.

The purpose of this notice is to provide contemporaneous notification to all ERCOT Market Participants of this update to the McCamey GTC. ERCOT will begin enforcing the updated limits for this GTC on March 6, 2019.

Details associated with all existing GTCs can be found on the ERCOT Market Information System (MIS) Secure Area in the "Generic Transmission Limits" portlet.

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]<mailto:[log in to unmask]>.

If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.







sa