****************************************************************************************** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials ****************************************************************************************** NOTICE DATE: March 27, 2014 NOTICE TYPE: M-A032714-01 CRR SHORT DESCRIPTION: Update to the CRR Network Model for the May 2014 Monthly Auction INTENDED AUDIENCE: CRR Account Holders DAY AFFECTED: March 27, 2014 LONG DESCRIPTION: ERCOT has posted an updated Congestion Revenue Right (CRR) Auction Network Model for the May 2014 Monthly Auction to reflect the below changes. * The Non-Thermal Constraints file was updated to lower the Valley import limit (VALIMP) from 924 MW to 774 MW to reflect operational limits and practices. * The Monitored Lines and Transformers file was updated to revert back from Emergency Rating = 9999 MW to Emergency Rating = 750 MW or 758 MW for facilities protected by the Collin Switch SPS. This SPS will be temporarily disabled on March 28, 2014, due to project-related construction (further details were provided in the operations Market Notice M-A031814-01, sent on March 18, 2014). The updated model for the May 2014 Monthly Auction is available through the CRR application and on the Market Information System (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]<mailto:[log in to unmask]>. If you are receiving email from an 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