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]>. 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