NOTICE DATE: August 28, 2013 NOTICE TYPE: M-C082813-01 Extracts SHORT DESCRIPTION: Implementation details for MIS reports of RUC Deselected Capacity INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: September 23 - 27, 2013 LONG DESCRIPTION: Between September 23 - 27, 2013, ERCOT will implement the grey box in paragraph (3) of Protocol Section 5.5.2, Reliability Unit Commitment (RUC) Process, and will start posting two new reports on the amount of capacity from Resources deselected by ERCOT after being recommended in the Day-Ahead Reliability Unit Commitment (DRUC) or Hour-Ahead Reliability Unit Commitment (HRUC) processes. The reports will be posted to the Market Information System (MIS) Secure Area after each RUC execution (DRUC or HRUC) and will contain the amount of aggregate Generation Resource capacity deselected by the ERCOT Operator per hour in each RUC Study Period. The two new secure reports will be posted on the MIS on the Grid-Generation landing page, in the Reliability Unit Commitment portlet. Further information on the new reports is provided in the table below. Report Name EMIL ID Report Type ID Frequency Daily RUC Deselected Capacity NP5-523-CD 13108 Daily Hourly RUC Deselected Capacity NP5-524-CD 13109 Hourly The file naming conventions for the new reports follow: Daily RUC Deselected Capacity: cdr.00013108.0000000000000000.YYYYMMDD.HHMMSS. DESELECTEDDRUCCAPACITYNP5523_cdr.zip cdr.00013108.0000000000000000.YYYYMMDD.HHMMSS. DESELECTEDDRUCCAPACITYNP5523_xml.zip Hourly RUC Deselected Capacity: cdr.00013109.0000000000000000.YYYYMMDD.HHMMSS. DESELECTEDHRUCCAPACITYNP5524_cdr.zip cdr.00013109.0000000000000000.YYYYMMDD.HHMMSS. DESELECTEDHRUCCAPACITYNP5524_xml.zip Refer to the Current Day Reports XSD V6.8 posted on ERCOT.com at http://www.ercot.com/services/mdt/xsds/ for further report information. 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. dg