NOTICE DATE: March 25, 2026

NOTICE TYPE: M-F032526-01 CRR

SHORT DESCRIPTION: Removal of historical data from the CRR system

INTENDED AUDIENCE: CRR Account Holders and Counter-Parties

DAY AFFECTED: April 24 - 28, 2026

LONG DESCRIPTION:  Historical data more than 7 years old will be removed from the Congestion Revenue Rights (CRR) system on April 24, 2026, in alignment with ERCOT's data retention policy. The CRR Market User Interface (MUI) will be unavailable during the data removal process beginning Friday, April 24, 2026. The data removal process is expected to take approximately 3-4 days. A follow-up Market Notice will be sent when the data removal process is complete and the CRR MUI is accessible. 

After the data removal process is completed, the historical data will not be available in the CRR MUI. However, historical CRR-related data products that have been posted to the Market Information System (MIS), will continue to be available via "Historical Public Report Request" (https://www.ercot.com/about/contact). 

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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