NOTICE DATE: July 11, 2026

NOTICE TYPE: M-B070826-02 Release

SHORT DESCRIPTION: RIOO Off-Cycle Release - Update

INTENDED AUDIENCE: All Market Participants (User Security Administrators (USAs), Resource Entities, TDSPs)

DAYS AFFECTED: July 10, 2026, 20:00 through July 13, 2026 08:00

LONG DESCRIPTION: The Resource Integration and Ongoing Operations (RIOO) system will be unavailable from July 10, 2026 2:00 PM to July 13, 2026 8:00 AM. This extends the current release timeframe throughout the days indicated to provide time for additional configuration updates.

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 ClientServices@ercot.com.

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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