NOTICE DATE: January 29, 2025

NOTICE TYPE: M-A012925-01 Outage Retail/Wholesale

SHORT DESCRIPTION: Market Participant Identity Management (MPIM) application outage due to upgrade

INTENDED AUDIENCE: User Security Administrators (USAs)

DAYS AFFECTED: February 28, 2025, 16:00 - 19:00

LONG DESCRIPTION: User Security Administrators (USAs) will experience intermittent Market Participant Identity Management (MPIM) service interruptions while the MPIM application is being upgraded. USAs will not be able to access the MPIM application or download certificates during this time. Additionally, the URL will be updated.

ACTION REQUIRED: Those who have the MPIM application bookmarked will need to update the URL. Otherwise, no action is required. The MPIM application link will be updated on the Market Information System (MIS).

ADDITIONAL INFORMATION: Market Participants that experience issues after the upgrade should submit a ticket detailing the issues:  https://www.ercot.com/mp/mpsupt

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 ClientServices@ercot.com.

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dg