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LAS VEGAS TO LOS ANGELES TRANSMISSION PROJECTS

LAS VEGAS TO LOS ANGELES TRANSMISSION PROJECTS. Summary of Project Proposals Eldorado Valley Study Group May 27, 2010. Energy Capital Partners. North America energy infrastructure private equity fund Energy Capital Partners I, LP and its parallel investment vehicles (“Fund I”):

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LAS VEGAS TO LOS ANGELES TRANSMISSION PROJECTS

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  1. LAS VEGAS TO LOS ANGELESTRANSMISSION PROJECTS Summary of Project Proposals Eldorado Valley Study Group May 27, 2010

  2. Energy Capital Partners • North America energy infrastructure private equity fund • Energy Capital Partners I, LP and its parallel investment vehicles (“Fund I”): • $2.25 billion committed equity in Fund I • 14 investments in Fund I including: • SunZia Southwest Transmission Project • Solar, energy efficiency, emissions controls, generation • Currently raising Energy Capital Partners II, LP and its parallel investment vehicles (“Fund II”) • Targeting $3.5 billion committed equity in Fund II • 4 investments in Fund II including: • Power Line Services • 21st Century Transmission • 28 investment professionals, 38 employees • Team has over 350 years of energy industry experience and track record of successful energy infrastructure investments totaling over 150 North American assets • Track record prior to formation of ECP includes the Path 15 transmission project; Perry Cole, a Managing Director at ECP, was Project Manager of Path 15

  3. PDS Consulting, PLC • Specializing in Power Delivery Systems (planning, project management, etc.) • Provide transmission and distribution interconnection, related technical analysis (WECC Member) • Active in Regional Planning SWAT, CCPG, etc. • Project Management Services • SunZia Southwest Transmission Project • Phase 0 – Project Manager (feasibility, regional planning, open season, development agreement) • Phase 1 – Assistant Project Manager (Engineering Manager, project rating studies, support EIS) • Other technical and engineering support as requested

  4. Project Proposal • Significant interest in delivering renewable energy to the Eldorado Valley from the north (WY, MT, ID and NV) for a total of nearly 12,000MW • Two Potential Projects (175 to 200 miles) • AC – New single or double circuit 500kV (230kV?) • DC – New or Upgrade of existing 500kV AC lines • Increase Eldorado Valley “outlet” capability by approximately 1200-3000MW total (non-simultaneous to Path 46) • Deliver renewable energy to Los Angeles area “load centers” near Rancho Vista) • Within CAISO or Western Balancing Authority

  5. Double Circuit 500 kV Tower Design • Planned Construction Using Lattice Steel Structures & Monopole Steel Structures • Preferred Structure Will Be Determined by Which is More Suitable for the Region Along the Route

  6. West of River (WECC PATH 46)

  7. SCIT Discussion Southern California Import Transmission (SCIT) Nomogram • CAISO manages SCIT • Operational Nomogram studied each season and VARIES • 18,886MW Max (today) • Vertical Axis includes WOR and will have to be increased as new stresses are added from the Eldorado Valley towards LA

  8. Upgrade 500 kV AC to DC • Mead to Adelanto 500kV designed for DC • Could be relatively easy to upgrade to 3000MW DC • Adelanto near Los Angeles load center • CAISO and LADWP coordination required • Current owners are LADWP, SCE, SCPPA, etc. • Eldorado Valley – Lugo – Mira Loma Upgrade to DC • Would require some rebuild of existing AC line • Mira Loma is a major substation for the LA loads • Would relieve the South of Lugo congestion issues • CAISO and SCE coordination • Current owners are SCE, CDWR, ANZA • Provide a controllable, low loss path from the Eldorado Valley to the Los Angeles load centers

  9. New AC (or DC) Circuit • Existing corridor from Eldorado Valley to LA is limited by the flow “South of Lugo” (CAISO internal path) • Propose a new corridor further east of existing corridor along Colorado River to San Bernardino County (Rancho Vista) • Opportunity to interconnect additional solar customers between I-40 and I-10 (AC only, potential for Hybrid?) • Double circuit 500/230kV may provide best access to generation and loads, or a double circuit 500kV (AC/AC and potentially AC/DC) • Can be coordinated with other projects along the river or directly towards load centers (loop into Mohave).

  10. Preliminary Routing Analysis

  11. Project Schedule 2016 2011 2012 2013 2014 2015 2009 2010 Project Development, Permitting, & Financing Operation Engineering Design & Construction PHASE 1 PHASE 2 PHASE 3 Earliest In-Service Year is 2016

  12. Activities Completed to Date • Preliminary Power Flow Analysis • Potential incremental rating of 1200-3000MW to WOR • Preliminary Economic Analysis • Approximately a 2.16 Benefit to Cost Ratio • Preliminary Routing Analysis (New Line Only) • Component of SMRT with Western Area Power • CAISO Planning Process (submitted under 2009 Open Window process, submitted to CTPG) • SWAT – Eldorado Valley Study Group

  13. Near Term Tasks • SWAT Regional Planning • Participate in Eldorado Valley Study Group • Include with Colorado River Transmission (CRT) review as a potential component of Path 46 • Establish Review Group for compliance with WECC • Western • Continue with SMRT technical and commercial forums • CAISO • Participate with CTPG • Participation Interest and Project Plan of Service • Discussion with those that may desire to participate in some fashion regarding the development of LV-LA Projects.

  14. Questions I LV LA

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