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Subject:	M-C101218-01 Partial Implementation of NPRR843
From:	ERCOT Client Services <[log in to unmask]>
Date:	Mon, 15 Oct 2018 16:33:39 +0000
Content-Type:	multipart/alternative
Parts/Attachments:	text/plain (3330 bytes) , text/html (10 kB)

***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. *****

Resending -
Sent: Friday, October 12, 2018 4:29 PM
To: [log in to unmask] <[log in to unmask]>; [log in to unmask] <[log in to unmask]>; [log in to unmask] <[log in to unmask]>; [log in to unmask] <[log in to unmask]>
Cc: ERCOT Account Managers <[log in to unmask]>; Market Support Services <[log in to unmask]>
Subject: M-C101218-01 Partial Implementation of NPRR843

NOTICE DATE:  October 12, 2018
NOTICE TYPE:  M-C101218-01 NPRR
SHORT DESCRIPTION:  Partial Implementation of NPRR843
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  October 26, 2018
LONG DESCRIPTION:  On October 26, 2018, Nodal Protocol Revision Request (NPRR) 843, Short-Term System Adequacy and AS Offer Disclosure Reports Additions, will be partially implemented.

This NPRR addresses four separate reporting items in Nodal Protocol Section 3, Management Activities for the ERCOT System.   The following will be implemented on October 26, 2018.

*         Changes to the logic for the Short-Term System Adequacy Report (NP3-763-CD, Report ID 12315) for more consistent treatment of Resource Statuses in reporting available capacity.

*         Creation of a new report, to be included in the existing 7-day Event Trigger Posting When LMP exceeds 50xFIP (NP3-987-EX, Report ID 10047), which will show the portion of Ancillary Service Offers at or above 50 times the Fuel Index Price (FIP) when the Market Clearing Price for Capacity (MCPC) of that Ancillary Service exceeds 50 times FIP.  This posting will occur seven days after the Operating Day, as required by P.U.C. Subst. R. 25.505, Resource Adequacy in the Electric Reliability Council of Texas Power Region.

*         Additional columns included in the 48-Hour Highest Price AS Offer Selected report (NP3-915-EX, Report ID 13018) to provide the highest-priced Ancillary Service Offer selected in a Supplemental Ancillary Services Market (SASM).

The following in paragraph (11) of Nodal Protocol Section 3.2.5, Publication of Resource and Load Information, will be implemented at a later date:

*         Creation of a 60-day SASM disclosure report to provide transparency into Ancillary Service Offers and awards for any SASMs that may have been executed for a period within an Operating Day.

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.
NPRR843<http://www.ercot.com/mktrules/issues/NPRR843> 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/mm

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