NOTICE DATE: September 22, 2015 NOTICE TYPE: M-A082015-06 Release - Retail/Wholesale SHORT DESCRIPTION: Rescheduled - Implementation of market-facing changes for September 2015 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: September 21 - 25, 2015 LONG DESCRIPTION: ERCOT will begin implementing the previously delayed R5 deployments for the market-facing changes in the production environment this evening, Tuesday, September 22, 2015. These changes were originally scheduled for September 21 - 25, 2015. The delay was due to ongoing activities communicated in Market Notice M-A09202015-01, Unplanned Outage of some ERCOT systems, for fail-over activities which were completed yesterday, Monday, September 22, 2015. ADDITIONAL INFORMATION: ERCOT systems may experience intermittent service interruptions during the implementation period. The systems include, but are not limited to: * Market Management System User Interface o During this outage, please use https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action to directly access the Market Manager * Components of the ERCOT Market Information System (MIS) including: o Report publishing to the MIS o Downloading of extracts and reports from MIS and External Web Services (EWS) o Market Data Transparency (MDT) Web Services o MIS and ERCOT.com dashboards and displays * Net Dependable Capability and Reactive Capability (NDCRC) * Market Participant Identity Management (MPIM) 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