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NOTICE DATE: April 06, 2021

NOTICE TYPE: M-A040621-01 Release - Retail

SHORT DESCRIPTION: Retail Release May 2021


DAYS AFFECTED: May 01, 2021 1400* - May 03, 2021 00:00

LONG DESCRIPTION: ERCOT project PR288_03 (Update to Registration System) will be migrated to the ERCOT production environment following notice of outage completion.

* Extended Retail operational outage will be brought for approval to the Retail Market Subcommittee meeting 04/14/2021*

ADDITIONAL INFORMATION:  ERCOT systems will experience service interruptions during the implementation period. The impacts include, but are not limited to:


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].

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