NOTICE DATE: December 2, 2011 NOTICE TYPE: W-B120710-13 Extracts - Wholesale SHORT DESCRIPTION: UPDATE - First run dates for some 48 Hour Disclosure Reports required by Nodal Protocols continue to be delayed INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: December 2010 - current LONG DESCRIPTION: Some reports that are required by Protocol Section 3.2.5, Publication of Resource and Load Information, continue to have a delayed first run date to resolve outstanding data anomalies and defects. The following reports are now included in the daily zip file posting: Item EMIL ID Report Name Protocol First Posting Date 4 NP3-918-EX 48-hour Aggregate Supply Curve for WGR NP3.2.5(1)(b) 12/1/2011 6 NP3-917-EX 48-hour Aggregate Supply Curve for Non-Wind Resources NP3.2.5(1)(a) 12/1/2011 7 NP3-923-EX 48-hour Aggregate Supply Curve for Non-Wind Resources by Disclosure Areas NP3.2.5(1)(a) 12/1/2011 8 NP3-919-EX 48-hour Aggregate Output Schedules NP3.2.5(1)(c) 8/29/2011 9 NP3-931-EX 48-hour Aggregate Output Schedules by Disclosure Areas NP3.2.5(1)(c) 8/29/2011 11 NP3-920-EX 48-hour Aggregate Generation Summary NP3.2.5(1)(d) 8/29/2011 12 NP3-935-EX 48-hour Aggregate Generation Summary by Disclosure Areas NP3.2.5(1)(d) 8/29/2011 15 NP3-949-EX 48-hour Aggregate Energy Demand Curve NP3.2.5(3)(c) 12/1/2011 The impacted reports that are not currently included in the daily zip file posting are as follows: Item EMIL ID Report Name Protocol Original First Run Date - Now Delayed 5 NP3-927-EX 48-hour Aggregate Supply Curve for WGR by Disclosure Areas NP3.2.5(1)(b) 5/31/2011 13 NP3-939-EX 48-hour Aggregate Energy Supply Curves (3PSO & Energy Only Offers) NP3.2.5(3)(a) 12/3/2010 14 NP3-940-EX 48-hour Aggregate Energy Supply Curves (3PSO & Energy Only Offers) by Disclosure Areas NP3.2.5(3)(a) 12/3/2010 Both the NP3-939-EX 48-hour Aggregate Energy Supply Curves and the NP3-940-EX 48-hour Aggregate Energy Supply Curves by Disclosure Area are currently scheduled to be delivered before the end of the year. The NP3-927-EX 48-hour Aggregate Supply Curve for WGR by Disclosure Areas will not be available this year as there are confidentiality concerns regarding the display of data by zone. ERCOT will send out an updated Notice once these reports are available. ADDITIONAL INFORMATION: There is a help file titled "48 Hour Disclosure Reports Column Header Information", posted at http://www.ercot.com/services/mdt/userguides/ that defines the columns in each of the reports. Additionally, the data that is currently not available in the 48 hour reporting above can be found in the 60 Day Disclosure Reports that are posting the non-aggregate data sixty days after the Operating Day. 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. dh ############################ To unsubscribe from the NOTICE_SETTLEMENTS list: write to: mailto:[log in to unmask] or click the following link: http://lists.ercot.com/SCRIPTS/WA-ERCOT.EXE?SUBED1=NOTICE_SETTLEMENTS&A=1