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NOTICE DATE:  September 11, 2017

NOTICE TYPE:  M-A072817-04 Release - Retail/Wholesale

SHORT DESCRIPTION:  Reminder - Implementation of market-facing changes for September 2017


DAYS AFFECTED:  September 12 - 14, 2017

LONG DESCRIPTION:  ERCOT will be implementing a number of market-facing changes in the production environment on September 12 - 14, 2017 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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