NOTICE DATE:  September 29, 2011

NOTICE TYPE:  W-A070111-04 Operations

SHORT DESCRIPTION:  Additional analysis related to the RMR status for NRG Texas Power LLC, Greens Bayou Unit 5

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  October 1, 2011

LONG DESCRIPTION:  On August 30, 2011, ERCOT issued a final determination that the following Generation Resource was needed for Reliability Must-Run (RMR) Service to support ERCOT System reliability, based on the Notification of Suspension of Operations (NSO) received from NRG Texas Power LLC on June 30, 2011:

• NRG Texas Power LLC – GBY_GBY_5.

ERCOT has performed additional analysis and has determined that Greens Bayou Unit 5 is not needed for RMR Service and can proceed to mothball status, effective October 1, 2011.

ADDITIONAL INFORMATION:  The Notification of Suspension of Operations is posted on the ERCOT 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].

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