NOTICE DATE: April 2, 2015 NOTICE TYPE: M-C040215-01 Outage - Retail/Wholesale SHORT DESCRIPTION: Planned system maintenance with impacted services INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: April 7, 2015 10:00 - 11:00 and April 9, 2015 17:00 - 22:00 LONG DESCRIPTION: ERCOT will be performing planned system maintenance of the Market Information System (MIS), Current Day Reports (CDR), and Information Content Exchange (ICE) databases and applications on April 7 and 9, 2015. During the April 7 10:00 - 11:00 outage window, Market Participants may experience intermittent issues with the following service: * Report publishing to the ERCOT MIS During the April 9 17:00 - 22:00 outage window, Market Participants may experience intermittent issues with the following service: * Market submissions and requests via WebServices, Market Manager and Outage Scheduler * Report publishing to the ERCOT MIS * Downloading of extracts and reports from MIS and WebServices * Net Dependable Capability and Reactive Capability (NDCRC) During the April 9, 17:00 - 22:00 outage, please use the following URLs to directly access the Market Manager, Congestion Revenue Right (CRR) Market User Interface, and Outage Scheduler: * https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action * https://mis.ercot.com/crr/mui/ListAllUserMessage.do (For CRR Account Holders) * https://mis.ercot.com/crr/mui/editSMPCreditLimit.do (For Counter-Parties) * https://mis.ercot.com/osrui/osrui/Summary.action Note that the outage start times may be delayed depending on the current system conditions. ADDITIONAL INFORMATION: Reports will be rerun and reposted as applicable. The MIS Dashboards and ERCOT.com price displays will not be populated with data during this timeframe. 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. sa