***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: April 12, 2018 NOTICE TYPE: M-A041218-01 Outage - Retail/Wholesale SHORT DESCRIPTION: Planned system maintenance INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: April 19, 2018 17:00-19:00 LONG DESCRIPTION: ERCOT will be performing planned system maintenance of several databases and applications on April 19, 2018. During the April 19, 2018 17:00-19:00 outage window, Market Participants may experience intermittent issues with the following: ********* ERCOT.com ********* Retail Outage Notification Flag on ERCOT.com Note that the outage start times may be delayed depending on the current system conditions. 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 a public 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