NOTICE DATE: November 29, 2016 NOTICE TYPE: R-A111116-02 Release-Retail SHORT DESCRIPTION: Reminder - Retail Release December 2016 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: December 11, 2016 from 07:00 to 12:00 LONG DESCRIPTION: ERCOT will be implementing two Retail Market Guide Revisions and a System Change Request in the production environment on December 11, 2016 from 07:00 to 12:00. RMGRR127<http://www.ercot.com/mktrules/issues/RMGRR127> and RMGRR140<http://www.ercot.com/mktrules/issues/RMGRR140> - Efficiencies for Acquisition Transfer SCR786<http://www.ercot.com/mktrules/issues/SCR786> - Retail Market Test Environment ADDITIONAL INFORMATION: ERCOT systems may experience intermittent service interruptions during the implementation period. The systems include, but are not limited to: * Market Participants utilizing NAESB to send/receive transactions to/from ERCOT will NOT be able to send/receive transactions to/from ERCOT during the outage. This includes all retail transactions. * 867 transactions will NOT be forwarded during the outage. * 997 Functional Acknowledgements will NOT be sent during the outage. * MarkeTrak will be unavailable for the duration of the outage. * Retail Application components of the Market Information System (MIS) and the Retail API will be unavailable * Retail Reports and Extracts may be impacted during the outage timeframe * eService application will be unavailable on the MIS * Find ESIID and Find Transaction will be unavailable 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]>. If you are receiving email from an 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. sa