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NOTICE DATE:  May 17, 2019

NOTICE TYPE:  W-B051719-01 NPRR

SHORT DESCRIPTION:  Implementation Details of NPRR910 and OBDRR010

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  May 31, 2019

LONG DESCRIPTION:  On May 31, 2019, ERCOT will implement Nodal Protocol Revision Request (NPRR) 910, Clarify Treatment of RUC Resource that has a Day-Ahead Market Three-Part Supply Award, and Other Binding Document Revision Request (OBDRR) 010, Clarified Treatment of RUC Resource that has a Day-Ahead Market Three-Part Supply Award.

NPRR910 codifies eligibility, pricing, and Settlement for a Resource that has been awarded a Three-Part Supply Offer in the Day-Ahead Market (DAM) but decides not to operate the Resource in the Real-Time Market (RTM) and subsequently receives a Reliability Unit Commitment (RUC) instruction to operate that Resource. The Resource specified above will receive ONOPTOUT treatment for pricing and Settlement purposes.

OBDRR010 codifies that the High Sustained Limit (HSL) of the Resource specified above will continue to be included in the On-Line capacity considered in Operating Reserve Demand Curve (ORDC) pricing. 

ADDITIONAL INFORMATION:  Pursuant to Nodal Protocol Section 21.6, Nodal Protocol Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later than ten days prior to implementation.   

NPRR910 and OBDRR010 and associated documents can be found on the ERCOT website.

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].

If you are receiving email from a public 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/mm