*******TEXAS NODAL MARKET NOTICE******* NOTICE DATE: August 12, 2010 NOTICE TYPE: Outage Scheduler SHORT DESCRIPTION: Nodal Outage Scheduler cutover INTENDED AUDIENCE: Transmission Service Providers, Qualified Scheduling Entities (QSEs), QSEs with Resources and Resource Entities DAY AFFECTED: August 13, 2010 LONG DESCRIPTION: As discussed in the Friday Market Trials Market Calls, effective August 13, 2010, the Nodal Outage Scheduler application will be taken Off-line in preparation for transitioning to the validation and dual entry phase of cutover. ERCOT will be releasing the application back to Market Participants on Monday, August 16, 2010. A follow-up Market Notice will be sent to announce the availability of the application. CONTACT: If you have any questions, please contact either the Market Trials team by email at [log in to unmask]<mailto:[log in to unmask]> or 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/>. dh