General; Operations

Wed, Mar 10, 2021 03:03 PM

M-B030921-02 Final - Completion of the Mass Transition

NOTICE DATE: March 10, 2021

NOTICE TYPE: M-B030921-02 Informational: Mass Transition Event

SHORT DESCRIPTION: Final - Completion of the Mass Transition

INTENDED AUDIENCE: RMS and Affected Market Participants

DAYS AFFECTED: March 10, 2021

LONG DESCRIPTION: POWER OF TEXAS HOLDINGS INC (DUNS Number 0809930551000), has zero (0) active Electric Service Identifiers (ESI IDs) in ERCOT’s system.

The final POWER OF TEXAS HOLDINGS INC (LSE) ESI ID relationship was ended on March 10, 2021 at 11:09 AM CPT.

This will be the last update/communication regarding the POWER OF TEXAS HOLDINGS INC (LSE) Mass Transition event.

ADDITIONAL INFORMATION: 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

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