NOTICE DATE:  April 30, 2009

NOTICE TYPE:  W-A022509-03 Operations – RMR

SHORT DESCRIPTION:  Final determination of RMR status

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  April 30, 2009

LONG DESCRIPTION:  On March 6, 2009, ERCOT System Planning and System Operations issued an initial determination that WB Tuttle-1, WB Tuttle-3, and WB Tuttle-4 were not needed for Reliability Must Run (RMR) Service in 2009.  ERCOT System Planning has completed its review and re-confirmed the initial determination that these Resources will not be needed for RMR Service in 2009. Therefore, ERCOT will not pursue RMR Agreements with these Resources:

• WB Tuttle 1
• WB Tuttle 3
• WB Tuttle 4

ADDITIONAL INFORMATION:  Initial and final determinations will be posted at the following link:  https://tmlretail.ercot.com/ercot/Participants/PublicMarketInfo/RMR.htm.  An ERCOT digital certificate is required 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 e-mail at [log in to unmask].

If you are receiving e-mail 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.

kd