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NOTICE DATE:  February 24, 2017


SHORT DESCRIPTION:  Implementation Details of NPRR649


DAY AFFECTED:  March 9, 2017

LONG DESCRIPTION:  On March 9, 2017, Nodal Protocol Revision Request (NPRR) 649, Addressing Issues Surrounding High Dispatch Limit (HDL) Overrides, will be implemented.

This NPRR creates a compensation mechanism for Generation Resources that are issued a High Dispatch Limit (HDL) manual override that results in a real power reduction (subject to certain criteria). The mechanism compensates the Qualified Scheduling Entity (QSE) for financial loss associated with variable cost components of Day-Ahead Market (DAM) obligations or energy purchase or sale provisions of bilateral contracts arising from the HDL manual override.

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.   

NPRR649 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].

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