NOTICE DATE: February 21, 2024

NOTICE TYPE: M-A020224-02 Operations

SHORT DESCRIPTION: ERCOT's External Web Services Secure Sockets Layer certificate renewal

INTENDED AUDIENCE: Market Participant personnel that administer programmatic access to ERCOT’s External Web Services

DAYS AFFECTED: February 22, 2024

LONG DESCRIPTION: On February 22, 2024, at 15:30 CST, ERCOT will replace the ERCOT API Public Key Secure Sockets Layer (SSL) certificate used by the PROD External Web Services (EWS) with a new GlobalSign API Public Key SSL certificate.

ERCOT URLs affected by this change:

Note: There is no impact to Market Participants who access secure ERCOT websites through a web browser.

ACTION REQUIRED: Market Participants must download and install the following into their application's key store:

1.) the new ERCOT API Public Key,

2.) the GlobalSign RSA Organization Validation CA - 2018 Intermediate SSL Certificate, and

3.) the GlobalSign Root R3 SSL Certificate.

All certificates, including the updated public key, are available for download on ERCOT.com at http://www.ercot.com/services/mdt/webservices/.

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.

 

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