NOTICE DATE:  November 26, 2013
NOTICE TYPE:  M-A112613-01 NPRR
SHORT DESCRIPTION:  Implementation details for NPRR492, Addition of System Lambda Information
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  December 11, 2013
LONG DESCRIPTION:  On December 11, 2013, ERCOT will implement Nodal Protocol Revision Request (NPRR) 492, Addition of System Lambda Information, which was approved by the ERCOT Board on March 19, 2013.
NPRR492 defines System Lambda within the Protocols and requires ERCOT to post the Day Ahead Market (DAM) System Lambda and the Security Constrained Economic Dispatch (SCED) System Lambda.
This NPRR adds two new public reports that will be posted on the Market Information System (MIS) and on ERCOT.com. Further information on the new reports is provided in the details below.

Report Name

EMIL ID

Report Type ID

Frequency

DAM System Lambda

NP4-523-CD

13113

Per successful DAM run

SCED System Lambda

NP6-322-CD

13114

Per successful SCED run


The file naming conventions follow:
cdr.00013113.0000000000000000.YYYYMMDD.HHMISS.DAMSYSLAMBDANP4523_csv.zip
cdr.00013113.0000000000000000.YYYYMMDD.HHMISS.DAMSYSLAMBDANP4523_xml.zip

cdr.00013114.0000000000000000.YYYYMMDD.HHMISS.SCEDSYSLAMBDANP6322_YYYYMMDD_SCEDTIMESTAMP_csv.zip
cdr.00013114.0000000000000000.YYYYMMDD.HHMISS.SCEDSYSLAMBDANP6322_YYYYMMDD_SCEDTIMESTAMP_xml.zip

ERCOT.com location:
http://www.ercot.com/mktinfo/dam??
http://www.ercot.com/mktinfo/rtm/

MIS location:
https://mis.ercot.com/pps/tibco/mis/Pages/Market+Information/Day+Ahead+Market
https://mis.ercot.com/pps/tibco/mis/Pages/Market+Information/Real+Time+Market

Refer to the Current Day Reports XSD V6.9 posted on ERCOT.com<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.
NPRR492 and associated documents can be found on the ERCOT website, under Market Rules, at http://www.ercot.com/mktrules/issues/nprr/476-500/492/index.
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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