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NOTICE DATE: May 14, 2021

NOTICE TYPE: M-A050321-03 Outage Retail/Wholesale

SHORT DESCRIPTION: Planned Maintenance Outage - Retail

INTENDED AUDIENCE: All Market Participants 

DAYS AFFECTED: Sunday, May 16, 2021 from 06:00 to 21:00

LONG DESCRIPTION: ERCOT will be performing planned maintenance on Sunday, May 16, 2021 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 Participantsā€™ 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

https://naesb.ercot.com:7403/ipnet/naesb - no change

IP Configurations

New Public IP Addresses

Outbound from ERCOT - 66.128.16.125

Inbound to ERCOT (naesb.ercot.com) - 66.128.16.102

Port (no change) ā€“ 7403

Former Public IP Addresses

Outbound from ERCOT - 66.128.17.86

Inbound to ERCOT (naesb.ercot.com) - 66.128.17.102

Port (no change) - 7403

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].

If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.

 

mm