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Renewable Energy Transmission Planning Process

Renewable Energy Transmission Planning Process . Keith Casey Vice President, Market & Infrastructure Development Southwest Renewable Energy Conference May 21, 2010. CAISO New Transmission Planning Process.

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Renewable Energy Transmission Planning Process

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  1. Renewable Energy Transmission Planning Process Keith Casey Vice President, Market & Infrastructure Development Southwest Renewable Energy Conference May 21, 2010

  2. CAISO New Transmission Planning Process • ISO Board of Governors approved Revised Transmission Planning Process (RTPP) on May 18, 2010 • State-wide planning approach • New criterion for “policy-driven” transmission (e.g., 33% RPS) • Whole system planning instead of single-project approach • FERC Order 890 compliance • Final proposal addresses the following • Opportunities for independents to build transmission • ISO decides when competing proposals apply to different siting authorities • Expedient processing of generation interconnection agreements • FERC filing planned for June 1, 2010

  3. 1/1/10 3/31/10 12/31/10 3/31/11 • 2010/2011 cycle – • Phase 1 • ISO unified planning assumptions & study plan • Regional & sub-regional collaboration 2010/2011 cycle – Phase 2 April 2010 – March 2011 Comprehensive Planning for ISO Balancing Authority Area • 2010/2011 cycle – • Phase 3 • ISO receives and evaluates proposals to build designated plan elements Renewable Access Plan for ISO Area 2010/2011 Comprehensive ISO Transmission Plan 2011/2012 cycle – Phase 1 January – March 2011 2011/2012 cycle – Phase 2 April 2011 – March 2012 CAISO Transmission Planning Process • Proposal will create an annual three-phase planning process Slide 3

  4. CTPG Conceptual Renewable Energy Transmission • Source: California Transmission Planning Group Phase 2 Final Report • Identified 13 Bulk Transmission Need Areas

  5. Major Elements of Conceptual Renewable Energy Transmission (CTPG Phase 2 Report)

  6. Status of major ISO-approved transmission projects that are needed for delivery of renewable generation *Lower number represents PTO-proposed WECC simultaneous path rating, higher number represents potential maximum level of renewable connection

  7. Tehachapi Transmission Project Legend Tehachapi Trans. Project Courtesy SCE

  8. Sunrise Powerlink Project (Southern route) Courtesy SDG&E Slide 8

  9. Devers – Palo Verde No. 2 (California Portion Only)

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