NOTICE DATE: August 18, 2014 NOTICE TYPE: W-A081814-07 Gateway Unplanned Outage SHORT DESCRIPTION: ERCOT Gateway Restored INTENDED AUDIENCE: Transmission Service Providers DAY AFFECTED: August 19, 2014 LONG DESCRIPTION: ERCOT unplanned maintenance on the Taylor environments is complete, The ERCOT Gateway (gateway.ercot.com) is back online and operational. The following applications are available for Transmission Service Providers (TSPs). * Nodal Market Management System (NMMS) * Nodal System Operations Test Environment (SOTE) 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]<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. NOTICE DATE: August 18, 2014 NOTICE TYPE: W-A081814-04 Gateway Unplanned Outage SHORT DESCRIPTION: Outage of ERCOT Gateway INTENDED AUDIENCE: Transmission Service Providers DAY AFFECTED: August 18, 2014 LONG DESCRIPTION: ERCOT performed unplanned maintenance on the Taylor environments on August 18, 2014; this caused ERCOT Gateway (gateway.ercot.com) to fail beginning at 05:00. The following applications are not available for Transmission Service Providers (TSPs) until further notice due to ERCOT Gateway outage. * Nodal Market Management System (NMMS) * Nodal System Operations Test Environment (SOTE) ACTION REQUIRED: TSPs are requested to send the Model changes that need to go into NMMS system through email to [log in to unmask]<mailto:[log in to unmask]> until the outage is resolved. 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]<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. mm