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NOTICE DATE: February 2, 2021

NOTICE TYPE: M-A020221-01 Informational Retail Transaction Processing

SHORT DESCRIPTION: Delayed processing of 814_20 transactions

INTENDED AUDIENCE:  All Market Participants

DAYS AFFECTED: Thursday, February 4, 2021, 12:00 - 15:00

LONG DESCRIPTION: During the scheduled outage for R1 on Thursday, February 4, 2021, there will be a period of time where 814_20 transactions will be accepted but not processed into ERCOT Systems.  From the period of 12pm to 3pm, ERCOT systems will be holding all 814_20 transactions in order to complete outage activities.  Once the outage is complete, these transactions will be allowed to enter ERCOT systems but may exceed SLA timings.  To avoid any possible processing delays, please refrain from sending 814_20 transactions during this time period.

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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