NOTICE DATE: March 22, 2024

NOTICE TYPE: M-B030424-03 Release - Retail/Wholesale

SHORT DESCRIPTION: Implementation of Market-facing changes for March 28, 2024

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: March 28, 2024

LONG DESCRIPTION: ERCOT systems may experience intermittent service interruptions during the implementation period. The systems include, but are not limited to:

• Components of the ERCOT Market Information System (MIS), including:
• Report publishing to the MIS
• Downloading of extracts and reports from MIS and External Web Services (EWS)
• ERCOT.com dashboards and displays
• Market Participant Identity Management (MPIM)
• Market submissions and requests via Web Services, Market Manager, and Outage Scheduler
• ERCOT Interconnection Services (GINR) – https://sa.ercot.com/ginr/
• Current Day Report (CDR) report publishing and downloading, which may cause the following reports to be unavailable:
• SCED and RTD Reports
• NSA Active and Inactive Constraint Reports
• State Estimator Reports
• Real-Time Dynamic Rating Data Reports
• Wind Power Production - Actual 5-Minute Averaged Values
• Solar Power Production - Actual 5-Minute Averaged Values

Information on upcoming releases can be found on the Project Priority List (PPL).

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.

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dg