Background on the 2016 Study Program Process Thomas Carr, Chair Studies Work Group June 29, 2016 Western Electricity Coordinating Council

2016 Study Request Process 2016 2016 Jan Feb Mar Apr May Jun Jul Aug Requests for Reconsideration Due TEPPC Decision on Requests for Reconsideration 6/3/2016 Draft Study Program Posted TEPPC Considers Summary Transmission Planning Assessment Report 4/15/2016 6/30/2016 TEPPC Considers Approval of Study Program 12/13/2016 5/4/2016 2016 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 Today 31 days Study Request Window 1/1 - 1/31 60 days Study Program Development 2/1/2016 - 3/31/2016 2/1 - 3/31 275 days Analysis and Reporting 4/1 - 12/31 92 days Summary Report Development 10/1 - 12/31 Western Electricity Coordinating Council

2016 Study Requests Submitted Study request deadline Feb. 1, 2016 Number of requests – 30 Number of requestors – 11 Requestors: Bureau of Land Management, California PUC, Committee on Regional Electric Power Cooperation/Western Interconnection Regional Advisory Body, Clean Power Development, Duke Energy, Hualapai Tribe, Pacific Gas & Electric, San Diego Gas & Electric, Scenario Planning Steering Committee, Southern California Edison, Strategen Consulting Western Electricity Coordinating Council

Western Electricity Coordinating Council SWG Meetings Study Program Resource Mix for 2026 Common Case Western Electricity Coordinating Council

Western Electricity Coordinating Council 2016 Draft Study Program Summary of 10-year Studies Western Electricity Coordinating Council

Western Electricity Coordinating Council 2016 Draft Study Program CAISO submitted request for reconsideration of ten 10-year cases highlighted in yellow Western Electricity Coordinating Council

Western Electricity Coordinating Council 2016 Draft Study Program Summary of 20-year Studies Western Electricity Coordinating Council

Western Electricity Coordinating Council 2016 Draft Study Program CAISO submitted request for reconsideration of one 20-year case, highlighted in yellow Case summary does not match with CAISO request Western Electricity Coordinating Council