NOTICE DATE: August 25, 2009 NOTICE TYPE: M-A080409-02 Operations SHORT DESCRIPTION: Eskota Switching Station SPS Proposal INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: December 7, 2009 LONG DESCRIPTION: Per Market Notice M-A080409-01, ERCOT granted approval of the Eskota Switching Station Special Protection System (SPS), proposed by Oncor Electric Delivery. At that time, the expected in-service date for the SPS had not been determined by Oncor. ERCOT has since received a planned in-service date for this SPS of December 7, 2009. Information regarding SPSs can be viewed on the ERCOT Planning and Operations Information secure website: http://planning.ercot.com/login/login. 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]<mailto:[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<http://lists.ercot.com/>. dh