***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: February 24, 2017 NOTICE TYPE: M-A022417-01 NPRR SHORT DESCRIPTION: Implementation Details of NPRR649 INTENDED AUDIENCE: ERCOT Market Participants 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]>. If you are receiving email from an 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