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NOTICE DATE: April 30, 2021

NOTICE TYPE: M-A040621-03 Release - Retail

SHORT DESCRIPTION: Retail Release May 2021


DAYS AFFECTED: May 1, 2021 1400* - May 3, 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.

* The extended Retail operational outage was approved at the Retail Market Subcommittee (RMS) meeting on April 4, 2021.

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

ADDITIONAL INFORMATION:  During ERCOT's Retail Nonstandard Extended Outage the TDSP's final Safety Net Notification Processes are listed below.

Date/Time Affected:   Saturday, May 1, 2021 at 2:00 PM (14:00) until 7:00 PM (19:00) ONLY


TDSP Safety-Net Move-In (MVI) Portal and/or Email Address if applicable


Utilize AEP REPDesk (repdesk.aep.com) as the primary method to submit safety-net MVIs.

Secondary method is to send safety-net MVI emails to: [log in to unmask]


Send safety-net MVI emails to:  [log in to unmask]


Utilize Oncor’s Competitive Retailer Information Portal (CRIP) as the primary method to submit safety-nets MVIs.

Secondary method is to send safety-net MVI emails to: [log in to unmask]


Utilize TNMP’s Retail Electric Provider (REP) Portal as the only method to submit safety-net MVIs.


Please review the ERCOT website for previous Market Notices related to this subject. 

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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