NOTICE DATE: May 29, 2012 NOTICE TYPE: M-A052912-01 Extracts SHORT DESCRIPTION: New bill determinant in RTM MODE extract - LPROFWTHR INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: June 11, 2012 LONG DESCRIPTION: ERCOT will include a new bill determinant, LPROFWTHR, which is the LOAD BY PROFILETYPE AND WEATHER ZONE ADJ FOR UFE beginning with the June 11, 2012, posting of the Real-Time Market Market Operating Day Extract (RTM MODE). The data aggregation settlement dates to be run for the June 11, 2012, posting include: * 6/1/2012 - Initial * 4/13/2012 - Final * 12/14/2011 - True-Up ADDITIONAL INFORMATION: The new bill determinant will be produced for all future settlement of nodal Operating Days and will reside in the DAIOUTPUTHEADER/INTERVAL tables in the RTM MODE extract. 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