NOTICE DATE: February 24, 2022

NOTICE TYPE: M-A021822-02 Outage Retail/Wholesale

SHORT DESCRIPTION: Planned Maintenance Outage - Retail

INTENDED AUDIENCE: All Market Participants 

DAYS AFFECTED: Sunday, February 27, 2022 from 06:00 to 21:00

LONG DESCRIPTION: ERCOT will be performing planned maintenance on Sunday, February 27, 2022 from 06:00 to 21:00.  During the outage the following functions will be affected:


ACTION REQUIRED: During the outage ERCOT will change the public IP addresses of some Market facing services.  This change could impact Market Participants’ ability to access those services or receive responses from them. 

NOTE: All Market Participants that transmit files via NAESB must ensure their systems can send and receive transactions from the new IP addresses.

The specific changes to the services are listed below:

NAESB URL no change

IP Configurations

Former Public IP Addresses

Outbound from ERCOT -

New Public IP Addresses

Outbound from ERCOT -

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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