NOTICE DATE: February 18, 2011 NOTICE TYPE: W-B120710-07 Extracts - Wholesale SHORT DESCRIPTION: UPDATE - First run dates for some 48 Hour and 61 Day Disclosure Reports required by Nodal Protocols will be delayed INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: December 2010 - current LONG DESCRIPTION: Some of the previously delayed 48 Hour and 61 Day Disclosure Reports are now being posted. These reports are highlighted below. Some reports that are required by Protocol Section 3.2.5, Publication of Resource and Load Information, will have a delayed first run date to resolve outstanding data anomalies and defects. The 48 Hour Disclosure Reports are all currently posted in one zip file, with the exception of two reports which will post separately. 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 4 NP3-918-EX 48-hour Aggregate Supply Curve for WGR NP3.2.5(1)(b) 12/3/2010 6 NP3-917-EX 48-hour Aggregate Supply Curve for Non-Wind Resources NP3.2.5(1)(a) 12/3/2010 7 NP3-923-EX 48-hour Aggregate Supply Curve for Non-Wind Resources by Disclosure Areas NP3.2.5(1)(a) 12/3/2010 8 NP3-919-EX 48-hour Aggregate Output Schedules NP3.2.5(1)(c) 12/3/2010 11 NP3-920-EX 48-hour Aggregate Generation Summary NP3.2.5(1)(d) 12/3/2010 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 15 NP3-949-EX 48-hour Aggregate Energy Demand Curve NP3.2.5(3)(c) 12/3/2010 18 NP3-916-EX 48-hour Highest Price Offered in SCED NP3.2.5(6) 1/30/2011 The following reports are not out of compliance for posting until 180 days after the Operating Day, but they are not currently included in the daily zip file posting: Item EMIL ID Report Name Protocol 5 NP3-927-EX 48-hour Aggregate Supply Curve for WGR by Disclosure Areas NP3.2.5(1)(b) 9 NP3-931-EX 48-hour Aggregate Output Schedules by Disclosure Areas NP3.2.5(1)(c) 12 NP3-935-EX 48-hour Aggregate Generation Summary by Disclosure Areas NP3.2.5(1)(d) The 61 Day Disclosure Reports are all currently posted in one zip file. The below report was included in the February 18, 2011, posting and has been removed from the list of delayed reports: Item EMIL ID Report Name Protocol 20 NP3-968-EX 61-day Generation Resource data in SCED NP3.2.5(4)(b) All 61 Day Disclosure Reports are now being included in the daily zip file posting. ERCOT will send out an updated Notice once these reports are available. ADDITIONAL INFORMATION: There are help files titled "48 Hour Disclosure Reports Column Header Information" and "60-Day Reports Column Header Information", posted at http://www.ercot.com/services/mdt/userguides/ that define the columns in each of the reports. 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