NOTICE DATE:  May 3, 2023

NOTICE TYPE:  M-A050323-01 Unplanned Outage

SHORT DESCRIPTION: ERCOT is experiencing ongoing issues which are impacting MMS UI, OS UI and API

INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  May 3, 2023

LONG DESCRIPTION: ERCOT is experiencing ongoing issues which are impacting Market Management system (MMS) User Interface (UI), Outage Scheduler (OS) UI applications, and API.

ADDITIONAL INFORMATION: ERCOT is actively troubleshooting and will provide updates once available.

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].

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.

dg