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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<http://www.ercot.com/mktrules/issues/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]<mailto:[log in to unmask]>.

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