***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: March 13, 2019 NOTICE TYPE: M-A031319-01 Outage - Retail/Wholesale SHORT DESCRIPTION: Planned system maintenance with impacted services INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: March 20, 2019 09:30 - 12:00, March 20, 2019 17:00 - 20:00, March 21, 2019 10:00 - 12:00, March 21, 2019 16:30 - 18:30 LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases and applications on March 20 - 21, 2019. During the March 20, 2019 09:30 - 12:00 outage window, Market Participants may experience intermittent issues with the following services: ********* Find ESIID During the March 20, 2019 17:00 - 20:00 outage window, all services available through the Market Information System (MIS) will be unavailable, including the following: ********* Market submissions and requests via External Web Services (EWS), Market Manager and Outage Scheduler ********* Report publishing to the ERCOT MIS ********* Downloading of extracts and reports from the MIS and EWS ********* Net Dependable Capability and Reactive Capability (NDCRC) ********* Congestion Revenue Right (CRR) Market User Interface ********* Find ESIID and Find Transaction ********* Market Participant Identity Manager (MPIM) ********* Market Data Transparency (MDT) Web Services ********* Extract Subscriber ********* Service Requests During this outage window, please use the following URLs to directly access the Market Manager, CRR Market User Interface, and Outage Scheduler: * https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action * https://mis.ercot.com/mui-ercot-ihedge/ * https://mis.ercot.com/osrui/osrui/Summary.action During the March 21, 2019 10:00 - 12:00 outage window, Market Participants may experience intermittent issues with the following services: ********* ERCOT.com During the March 21, 2019 16:30 - 18:30 outage window, Market Participants may experience intermittent issues with the following services: ********* Market Participant Identity Manager (MPIM) ********* The following ERCOT internet services: o Texas Renewables - www.texasrenewables.com o Retail Testing Website - etod.ercot.com<https://etod.ercot.com/> o ERCOT Interconnection Services (GINR) - https://sa.ercot.com/ginr/ ********* Market Data Transparency (MDT) Web Services ********* Extract Subscriber ********* Net Dependable Capability and Reactive Capability (NDCRC) 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 the March 20, 2019 17:00 - 20:00 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 ######################################################################## To unsubscribe from the NOTICE_OUTAGES_RETAIL list, click the following link: http://lists.ercot.com/scripts/wa-ERCOT.exe?SUBED1=NOTICE_OUTAGES_RETAIL&A=1