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NOTICE DATE:  March 23, 2018

NOTICE TYPE:  M-B030218-02 Release - Retail/Wholesale

SHORT DESCRIPTION: Date Change and Reminder - Implementation of market-facing changes for April 2018

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  April 5-9, 2018

LONG DESCRIPTION:  ERCOT will be implementing a number of market-facing changes in the production environment on April 5-9, 2018 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)
*       Find ESIID and Find Transaction
*       Market Data Transparency (MDT) Web Services
*       MIS and ERCOT.com dashboards and displays

Information on upcoming releases can be found on the Project Priority List (PPL)<http://www.ercot.com/services/projects/>.

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]<mailto:[log in to unmask]>.

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