Western Electricity Coordinating Council Pre-schedule Process Regional Criteria Status Philip Tice October 31, 2008

Western Electricity Coordinating Council Background Pre-schedule Process MIS submitted Regional Criteria request. The Objectives: –Codify the pre-schedule process. –To the fullest extent practical, pre-scheduling should occur the day before the flow day. –Establish a pre-schedule process that aligns, as close as possible, electric and gas trading days. –Develop and document pre-schedule process definitions and descriptions. MIC assigned to develop Regional Criteria

Western Electricity Coordinating Council Drafting Team Representation Balanced representation by TC and TP. Diversified Sub-region representation. Good balance of MIC and OC representatives. 10 voting members. 3

Western Electricity Coordinating Council Drafting Team Members Robert Sullivan Marcus Lotto Bill Casey Dorothy Copeland Marilyn Franz Chris Brown Luis Zaragoza Steven Maestas Emily Shultz Wendy Weathers

Western Electricity Coordinating Council Drafting Team Activities First meeting October 7 th. Conference calls. Sub-groups. –Pre-schedule definition. –Data. –Holidays & weekends. WECC member participation. 5

Western Electricity Coordinating Council Drafting Team Schedule Sub-group conference calls. Future Drafting Team conference calls. –November 7 th - 11 AM-1PM MPT. –November 19 th - 11 AM-1PM MPT. –December 3rd - 11 AM-1PM MPT. –December 17th - 11 AM-1PM MPT. –Posted on WECC web site. Regional Criteria to MIC at June 2009 meeting, March 2009 meeting, if possible. 6

Western Electricity Coordinating Council Drafting Team Contacts Phil Tice – Chair Luis Zaragoza – Vice Chair. Sub-groups. –Bill Casey – Pre-schedule definition. –Luis Zaragoza – Data. –Marilyn Franz – Holidays/Weekends. Michelle Mizumori – WECC Staff. 7

Western Electricity Coordinating Council Pre-schedule Process Discussion & Questions.