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Digital Certificate Security Information

This page contains root and intermediate certificates and public key information needed to interface with ERCOTs Test and Production environments. 

MPIM Digital Certificate Roles
ERCOT’s Market Participant Identity Management (MPIM) system general description and list of digital certificate roles and associated profiles used by Market Participant USAs to assign roles to employees for certain ERCOT system access.

Certificate Documentation

ERCOT API Security Changes
PowerPoint slides from WebEx Presentation presented on 05/14/2019
May 15, 2019 - pptx - 167.3 KB
Dec 20, 2017 - docx - 353.5 KB
Oct 5, 2022 - doc - 290.5 KB
Apr 14, 2022 - docx - 3.4 MB

Root Certificates

ERCOT CA
ERCOT's Production 2048 Client Root Certificate and Installation Instructions
Dec 12, 2017 - zip - 661.5 KB
ERCOT TEST CA
ERCOT's MOTE 2048 Client Root Certificate and Installation Instructions
Dec 12, 2017 - zip - 661.5 KB
Jun 11, 2020 - zip - 1.1 KB

API Key Certificates

ERCOT API Public Key (valid from 01/18/2022 to 02/19/2023)
ERCOT's Production EWS and MarkeTrak API Public Key (Issued by GlobalSign)
Jan 19, 2022 - zip - 1.8 KB
ERCOT Notifications Public Key (valid from 05/18/2022 to 06/19/2023)
ERCOT's New Production Notification Public Key
May 23, 2022 - zip - 1.6 KB
ERCOT MOTE API Public Key (Valid from 01/10/2022 to 02/11/2023)
ERCOT's MOTE EWS and MarkeTrak API Public Key (Issued by GlobalSign)
Jan 12, 2022 - zip - 1.8 KB
Jun 7, 2022 - zip - 1.6 KB
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