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NOTICE DATE: March 26, 2021

NOTICE TYPE: M-E022621-03 Release - Retail/Wholesale

SHORT DESCRIPTION: Implementation of Market-facing changes for March - April 2021

INTENDED AUDIENCE: ERCOT Market Participants

DAYS AFFECTED: March 30 - April 1, 2021

LONG DESCRIPTION: ERCOT will be implementing a number of Market-facing changes in the production environment on March 30 - April 1, 2021 for several systems. Please see the attached spreadsheet for the description of each change.

ADDITIONAL INFORMATION: 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)
MIS and ERCOT.com dashboards and displays
Market Participant Identity Management (MPIM)

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 [log in to unmask].

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