***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: September 19, 2017 NOTICE TYPE: M-A091917-01 Maintenance - Retail/Wholesale SHORT DESCRIPTION: Network services maintenance INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: Tuesday, September 26, 2017 17:00 - 22:00 and Thursday, September 28, 2017 17:00 - 22:00 LONG DESCRIPTION: On Tuesday, September 26, 2017 17:00 - 22:00 and Thursday, September 28, 2017 17:00 - 22:00, ERCOT will be performing maintenance on network services that enable Market Participants to access ERCOT websites. There is no anticipated interruption of these services; however, if issues are experienced accessing any ERCOT websites, please contact the ERCOT Helpdesk at 512-248-6800. 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 ######################################################################## 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