NOTICE DATE:  June 10, 2010

NOTICE TYPE:  W-A052010-02 Operations

SHORT DESCRIPTION:  Initial and Final determination of RMR status for NRG Texas Power LLC, S.R. Bertron Unit 2

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  June 10, 2010

LONG DESCRIPTION: NRG Texas Power LLC submitted a Notice of Suspension of Operations (NSO) for S.R. Bertron Unit 2 on May 17, 2010. ERCOT has completed its preliminary review and is issuing its initial determination that this Resource is not required to support ERCOT System reliability. Pursuant to Section 6.5.9.1(6), this Notice will also serve as the final determination, and the Resource may cease or suspend operations according to the schedule in its NSO.

ADDITIONAL INFORMATION:  ERCOT has posted the analysis performed to arrive at its determination at the following link: https://tmlretail.ercot.com/ercot/Participants/PublicMarketInfo/RMR.htm. You must have an ERCOT digital certificate to access this site.

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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