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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


ERCOT Digital Certificate Download Process


ERCOT SSL Communication Standards


ERCOT Digital Certificate User Guide

Root Certificates


ERCOT CA

ERCOT's Production 2048 Client Root Certificate and Installation Instructions


ERCOT Test CA

ERCOT's MOTE 2048 Client Root Certificate and Installation Instructions


GlobalSign RSA Organization Validation CA - 2018 Intermediate SSL Certificate


GlobalSign Root R3 SSL Certificate


API Key Certificates


ERCOT API Public Key (valid from 01/24/2023 to 02/25/2024)

ERCOT's Production EWS and MarkeTrak API Public Key (Issued by GlobalSign)


ERCOT API Public Key (valid from 01/31/2024 to 03/03/2025)

ERCOT's Production EWS and MarkeTrak API Public Key (Issued by GlobalSign)


ERCOT Notifications Public Key (valid from 06/01/2023 to 07/02/2024)

ERCOT's New Production Notification Public Key


ERCOT MOTE API Public Key (Valid from 01/23/2023 to 02/24/2024)

ERCOT's MOTE EWS and MarkeTrak API Public Key (Issued by GlobalSign)


ERCOT MOTE API Public Key (Valid from 01/29/2024 to 03/01/2025)

ERCOT's MOTE EWS and MarkeTrak API Public Key (Issued by GlobalSign)


ERCOT MOTE Notification Public Key (valid from 06/16/2023 to 07/17/2024)

ERCOT's MOTE Notification Public Key