NOTICE DATE:  December 17, 2015
NOTICE TYPE:  W-A121715-01 Operations
SHORT DESCRIPTION:  2016 Minimum Monthly Ancillary Service Requirements
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  January 1, 2016

LONG DESCRIPTION: On December 8, 2015, the ERCOT Board of Directors approved the 2016 ERCOT Methodologies for Determining Ancillary Service Requirements ("AS Methodology"). The approved changes to the AS Methodology affect the procurement of the Regulation Service and Non-Spinning Reserve Service. The new requirements are to be effective beginning January 1, 2016. Additional details about the proposed changes can be found at the following link:
http://www.ercot.com/content/wcm/key_documents_lists/76324/9_2016_Methodology_for_Determining_Minimum_Ancillary_Service_Requirements.pdf
Per the 2016 AS Methodology, the minimum monthly Ancillary Services quantities for 2016 have been posted to the ERCOT Market Information System (MIS) under the Projected Ancillary Service Requirements link under the Medium-Term System Adequacy heading. See the link below. The posted quantities reflect minimum requirements only. ERCOT will follow-up with a Notification if any upward adjustments to these minimum quantities are made.

https://mis.ercot.com/pps/tibco/mis/Pages/Grid+Information/Forecasts

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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