NOTICE DATE:  November 9, 2012

NOTICE TYPE:  M-B110912-01 NPRR

SHORT DESCRIPTION:  Implementation details for NPRR464

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  December 3 - 6, 2012

LONG DESCRIPTION:  During the planned release window from December 3 - 6, 2012, ERCOT will implement Nodal Protocol Revision Request (NPRR) 464, SASM Procurement Reporting, which was approved by the ERCOT Board on September 18, 2012.

NPRR464 requires ERCOT to notify Qualified Scheduling Entities (QSEs) whose Ancillary Service capacity was deemed undeliverable, or who failed to provide their required Ancillary Service capacity, and to provide details of the Ancillary Services procured on their behalf during a Supplemental Ancillary Services Market (SASM).

NPRR464 adds one new certified report that will be posted on the Market Information System (MIS) on the Markets - Real-Time Markets landing page, in the QSE Real-Time Market portlet. Further information on the new report is provided in the table below.

Report Name

EMIL ID

Report Type ID

Frequency

SASM Undeliverable and Failed to Provide AS Capacity

NP6-482-CD

13097

Daily or each successful SASM



The file naming conventions for the new report:

cdr.00013097.0000000000000000.YYYYMMDD.HHMMSS.SASMASCAOFAILEDUNDELNP6482_csv.zip

cdr.00013097.0000000000000000.YYYYMMDD.HHMMSS.SASMASCAOFAILEDUNDELNP6482_xml.zip



Refer to the Current Day Reports XSD V6.4 posted on ERCOT.com at http://www.ercot.com/services/mdt/xsds/ for further report information.

ADDITIONAL INFORMATION:  Pursuant to 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.

NPRR464 and associated documents can be found on the ERCOT website, under Market Rules, at http://www.ercot.com/mktrules/issues/nprr/451-475/464/index.

Information on upcoming releases can be found on the ERCOT Multi Year Project Priority List (PPL) at http://www.ercot.com/services/projects/.

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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