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Regional Renewable Energy Transmission Initiatives

Arizona Corporation Commission 5 th Biennial Transmission Assessment Docket E-00000D-07-0376. Regional Renewable Energy Transmission Initiatives. Laurie Woodall K.R. Saline and Associates, PLC. Overview. Increasing public policy interest in renewable development

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Regional Renewable Energy Transmission Initiatives

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  1. Arizona Corporation Commission 5th Biennial Transmission Assessment Docket E-00000D-07-0376 Regional Renewable Energy Transmission Initiatives Laurie Woodall K.R. Saline and Associates, PLC ACC BTA Workshop May 22-23, 2008

  2. Overview • Increasing public policy interest in renewable development • Need for more transmission in evidence • Specific initiatives addressing integration of renewable energy sources into system ACC BTA Workshop May 22-23, 2008

  3. Public PolicyInterest in Renewables • Climate change / greenhouse gas concerns • Regulatory requirements-renewable portfolio standards • Diversity of fuel sources for growing load • Potential for federal regulation of conventional fuel sources - “Carbon Tax” ACC BTA Workshop May 22-23, 2008

  4. Need for Transmission • Growing loads, transmission limitations • Renewables may be remotely located without access to available transmission • Financing of transmission can be expensive and difficult for smaller intermittent renewable generators • Some studies, governmental/NGO private initiatives to address these issues ACC BTA Workshop May 22-23, 2008

  5. WestConnect PlanningBiennial Long Range Study • A Westconnect–wide long range, conceptual study of transmission improvements needed to integrate renewables in the 10th year and beyond • Study will include findings of NREL wind/solar integration study, Colorado Resource Energy Zones Study, New Mexico collector study, and SWAT Renewable Task Force • Complete initial study in 2009 ACC BTA Workshop May 22-23, 2008

  6. Other InitiativesWGA West-wide Renewable Energy Zones • Regional initiative to identify best renewable resources and designate Renewable Energy Zones, based upon commercial potential and cost-performed by consultant • Inclusive stakeholder process to establish criteria to designate and validate zones for development • Develop conceptual transmission plans through WECC and subregional planning groups to deliver from highest ranking zones • Report to WGA re: commercial obstacles • Identify options for interstate cooperation of planning and permitting • Kick off meeting May 28, 2008 in Salt Lake City ACC BTA Workshop May 22-23, 2008

  7. CaliforniaRenewable Energy Transmission Initiative (“RETI”) • PG&E, SCE, and SDG&E filed renewable transmission reports with CPUC in September 2007 • RETI formed with collaborating agencies and entities: CPUC, CEC, CAISO, Utilities, and other stakeholders • Purpose - identify transmission necessary for California to achieve its renewable energy goals in cost-effective and environmentally sensitive manner. Final B&V report 5/16/08 • Study area includes CA, BC,WA, NV, OR, AZ and Baja Norte • Phases: Identify zones, identify conceptual transmission, assist in development of detailed plans ACC BTA Workshop May 22-23, 2008

  8. Colorado Initiatives Clean Energy Development Authority (“CEDA”) to develop three year plan, work with Colorado PUC & Colorado Coordinated Planning Group (“CCPG”) SB 07-100 requires each regulated utility to: Designate Resource Energy Zones, Develop needed transmission plans, Encourage locally owned renewables, and Submit plans and CPCN applications Utilities working with CCPG in phases: April-July transmission planning groups, November issue study plans, Nov-Jan 09 prepare CPCN studies, March 09 file CPCN applications, Oct 09 file transmission plans ACC BTA Workshop May 22-23, 2008

  9. Colorado Resource Energy Zones ACC BTA Workshop May 22-23, 2008

  10. Nevada’s Initiative (“RETAAC”)Renewable Energy Transmission Access Authority • Created by Executive Order of the Governor • RPS - Nevada is a net importer • Purpose: • Identify and rank commercially developable locations for renewable energy • Assess existing and planned transmission access to these resources • Make recommendations for additional transmission • Phase 1 Report identified REZ, transmission required for access to grid, recommended transmission lines • Future phases will include more detailed environmental review ACC BTA Workshop May 22-23, 2008

  11. NevadaRETAACPlan • Circles/Ovals Identify Renewable Energy Zones • Conceptual Transmission Plan Shown By Brown / Purple Lines Per NPC/SPPC 5/19/08 SWAT presentation ACC BTA Workshop May 22-23, 2008

  12. New Mexico’s Initiatives • SWAT New Mexico Study Group performed 2007 Cluster Study of Potential Wind Projects in Central NM • 2007 Legislature created the New Mexico Renewable Energy Transmission Authority (RETA) • RETA’s Purpose: • Orchestrate multistate, multi-electric utility negotiations to facilitate development of NM transmission infrastructure for renewable energy development and export • Focus is on electric system transmission infrastructure planning, financing, and implementation • A onetime only $1 million general startup fund authorized • 2008 SWAT Renewable Task Force Study Participant ACC BTA Workshop May 22-23, 2008

  13. NM Wind Collector System Integrated with HPX • Conceptual 345 kV Collector System in Central NM • Cluster Study performed by PNM • Per 2007 SWAT NM Study Group ACC BTA Workshop May 22-23, 2008

  14. Sources • Nevada RETAAC: http://gov.state.nv.us/Energy/FinalReport.htm • National Renewable Energy Lab Resource Center http://www.nrel.gov/renewable_resources/ • New Mexico Renewable Energy Transmission Authority: http://www.emnrd.state.nm.us/MAIN/RETA2.htm • US Dept of Energy Efficiency and Renewable Energy: http://www.eere.energy.gov/ • WestConnect: http://www.westconnect.com/ • AZ Climate Change: http://www.azclimatechange.gov/index.html • California RETI: http://www.energy.ca.gov/reti/index.html • Colorado: http://www.colorado.gov/energy/utilities/clean-energy-development-authority.asp • WGA: http://www.westgov.org/wga/initiatives/wrez/index.htm • Clean Electric Resource Strategy: http://www.westernresourceadvocates.org/media/pdf/Clean%20Electric%20Energy%20Strategy%20for%20Arizona.pdf ACC BTA Workshop May 22-23, 2008

  15. Sources (Continued) • TRANSMISSION RANKING COST REPORT OF SAN DIEGO GAS & ELECTRIC COMPANY (U 902 E) FOR RENEWABLE PORTFOLIO STANDARD PROCUREMENT: http://www.sdge.com/regulatory/tariff/svc%20TRCR%20Filing.pdf • TRANSMISSION RANKING COST REPORT OF PACIFIC GAS AND ELECTRIC (U 902 E) FOR RENEWABLE PORTFOLIO STANDARD PROCUREMENT: http://www.pge.com/includes/docs/pdfs/b2b/energysupply/wholesaleelectricsuppliersolicitation/renewableportfoliostdsori-ii_other-doc_pge_20070907-01.pdf • TRANSMISSION RANKING COST REPORT OF EDISON ELECTRIC COMPANY (U 902 E) FOR RENEWABLE PORTFOLIO STANDARD PROCUREMENT: http://www.sce.com/nrc/rfp/2008_RPS_Appendix_D_SCE_TRCR.pdf ACC BTA Workshop May 22-23, 2008

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