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From:
ERCOT Client Services <[log in to unmask]>
Date:
Fri, 16 Jun 2017 21:31:12 +0000
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***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. *****

NOTICE DATE:  June 16, 2017
NOTICE TYPE:  M-D052617-02 NPRR
SHORT DESCRIPTION:  Additional Implementation Details for NPRR573
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  June 29, 2017
LONG DESCRIPTION:  ERCOT will be implementing Energy Management System (EMS) and Market Management System (MMS) changes for Nodal Protocol Revision Request (NPRR) 573, Alignment of PRC Calculation, with an effective date of June 29, 2017.

NPRR573 aligns the Protocol language with the current Physical Responsive Capability (PRC) calculation in the EMS, and modifies the PRC calculation to represent appropriate frequency-responsive Wind-powered Generation Resources (WGRs). Upon implementation, the PRC calculation will include any available headroom (curtailed capacity) from Primary Frequency Response-capable WGRs.



ADDITIONAL INFORMATION:  NPRR573<http://www.ercot.com/mktrules/issues/NPRR573> 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.



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