***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: May 16, 2018 NOTICE TYPE: M-A051618-01 Outage - Retail/Wholesale SHORT DESCRIPTION: Planned system maintenance with impacted services INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: May 22, 2018 16:00 - 18:00, May 23, 2018 09:30 - 12:00, May 23, 2018 17:00 - 19:00 LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases and applications on May 22 - 23, 2018. During the May 22, 2018 16:00 - 18:00 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/osrui/osrui/Summary.action * https://mis.ercot.com/crr/mui/ListAllUserMessage.do (For CRR Account Holders) * https://mis.ercot.com/crr/mui/editSMPCreditLimit.do (For Counter-Parties) During the May 23, 2018 09:30 - 12:00 outage window, Market Participants may experience intermittent issues with the following services: ********* Find ESIID During the May 23, 2018 17:00 - 19:00 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/<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.texasrenewables.com_&d=DwIFAg&c=trp9rTvIdyEWh1VWB5x8_2JiPaB5oGZOtWPDws2_VoY&r=XqwMSwEwflOBwgRnonPseArYWHiikXaDMsfU-nq9dMf9hL8BMcmarW218N9o4toX&m=OuDZT3x6DrLoH3AuXz-qMmMIsBKsky2l08JgaXeob5U&s=GryFdr2G5wR8NY4adnHyfcFuNjox82NiDkSFG-KwG-U&e=> o Retail Testing Website - etod.ercot.com<https://etod.ercot.com/> ********* 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 May 22, 2018 16:00 - 18:00 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_WHOLESALE list, click the following link: http://lists.ercot.com/scripts/wa-ERCOT.exe?SUBED1=NOTICE_OUTAGES_WHOLESALE&A=1