NOTICE DATE:  July 15, 2016
NOTICE TYPE:  W-A071516-01 Extracts
SHORT DESCRIPTION:  Issue with DAM Aggregate Credit Exposure report
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  Certain Operating Days February 14, 2013 - present
LONG DESCRIPTION:  On February 14, 2013, ERCOT first published the Day-Ahead Market (DAM) Aggregate Credit Exposure report (EMIL ID NP4-411-CD). An issue has been detected with the calculation for combined cycle resources as part of the Three-Part Offer (TPO) exposure. In certain cases, the report was underrepresenting the credit that TPOs provide to overall credit exposure. This occurred when two combined-cycled resource offers yielded the same credit exposure calculation. The calculation used by DAM was not affected.
ERCOT plans to release a fix the week of August 29 to correct this issue. Additional detail will be provided as information becomes available.
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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