NOTICE DATE: July 26, 2011 NOTICE TYPE: W-A070111-02 Operations SHORT DESCRIPTION: Initial determination of RMR status for NRG Texas Power LLC, Greens Bayou Unit 5 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: July 26, 2011 LONG DESCRIPTION: ERCOT received a Notification of Suspension of Operations (NSO) on June 30, 2011 for the following Generation Resource: * NRG Texas Power LLC - GBY_GBY_5 ERCOT has completed its preliminary review and is issuing its initial determination that this Resource may be needed for Reliability Must-Run (RMR) Service. ERCOT will issue its final determination by August 29, 2011. ADDITIONAL INFORMATION: ERCOT has posted its initial determination on the Market Information System (MIS) Secure Area on the Grid/Generation page under Reliability Must Run at https://mis.ercot.com/pps/tibco/mis/Pages/Grid+Information/Generation. 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 [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<http://lists.ercot.com/>. cy ############################ To unsubscribe from the NOTICE_CRR list: write to: mailto:[log in to unmask] or click the following link: http://lists.ercot.com/SCRIPTS/WA-ERCOT.EXE?SUBED1=NOTICE_CRR&A=1