Keegan Moyer Manager Transmission Expansion Planning TEPPC Update

Keegan Moyer Manager, Transmission Expansion Planning TEPPC Update July 16, 2014 WECC - Salt Lake City, UT

TEPPC Update TEPPC Organization TEPPC Transmission Expansion Planning and Policy Committee RPCG TAS SPSG Regional Planning Coordination Group Technical Advisory Subcommittee Scenario Planning Steering Group SWG DWG MWG EDTF MDTF Studies Work Group Data Work Group Modeling Work Group Environmental Data Task Force Metrics Definition Task Force 2014 Accomplishments q Created new and improved planning datasets – Represents a “step change” in functionality and quality q 2014 TEPPC Study Program –Study plan for the next year, ~45 studies q Established grant transition plan – Existing functionality efficiently maintained for 2015

TEPPC Reporting Recommendation • Action item from March BOD meeting • Initial staff recommendation unanimously supported by TEPPC (full memo in packet) • Highlights in memo… v. Recommendation: Recommendation TEPPC should continue to report to BOD, maintaining current structure v. Several key drivers: drivers Oversight, relevance, accountability, responsiveness, membership v. Alternatives considered: Report to PCC, become a Standing Committee

Of interest to PCC… • Coal retirement studies in 2014 Study Program – Unclear how this will line up with other WECC work on 111(d) • TEPPC case request to TSS – DG focus • Intra-hour datasets – New dataset • WECC Flexibility Assessment – Similar to this study, but not just CA. TEPPC one of many stakeholders. 4

Questions? Keegan Moyer kmoyer@wecc. biz (801)819 -7662