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TAS Study Work Group November 28 th 2007

TAS Study Work Group November 28 th 2007. Presentation to TEPPC - TAS Robert Stade – TASSWG Chair. TAS Study Overview. Study Status & Plan for Completion Incremental Resources - Approval Item 2008 Schedule Work Group Report. I. Study Status & Plan for Completion. Process Study Plan

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TAS Study Work Group November 28 th 2007

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  1. TAS Study Work GroupNovember 28th 2007 Presentation to TEPPC - TAS Robert Stade – TASSWG Chair

  2. TAS Study Overview • Study Status & Plan for Completion • Incremental Resources - Approval Item • 2008 Schedule • Work Group Report

  3. I. Study Status & Plan for Completion Process Study Plan • Jan 18 – Apr 17: Wrote Draft Study Plan • May 1: TAS Approval • May 18: TEPPC Approval Study Conclusion • Nov 27: Progress Overview • Nov 30: Final definition of the hypothetical resource portfolios for the Transmission Expansion Cases • Dec 31: Completion of the Transmission Expansion Cases • Jan 31: Completion of the Annual Report (caveat) Study Update • Apr 2008: Update Study Plan (living document) as required

  4. II. Incremental Resources • Generation – Tom Carr - Approval Item • Sub Work Group • Held 6 meetings • Up to 16 participants per call • Development Steps • Developed methodology to identify mix of incremental generation resources 2008-2017. Researched and identified RPS legal requirements from 9 states with RPS (AZ, CA, CO, MT, NV, NM, OR, TX, WA) • Constructed spreadsheet that derives RPS generation energy (MWh) for 2017 • Process • Started with existing Load & Resource data • Used IRP data to identify future generation • Cross referenced with resources in TEPPC data base • Identified renewable RPS • Identified different generation types • Verified name plate capacity • Perform gap analysis • Other incremental resources • Transmission Update– Donald Davies • Stakeholder findings of TECC data base

  5. III. 2008 Study • From 2007 Study Results • Investigate cases for transmission needs from incremental resources • Learn from first case studies, document and take forward • Develop timeline for report to meet Order 890 requirements • Revise Incremental Resources • Move forward with Class 1 & 2 generation • Add Western climate GHG • Check state statues • Transmission • Determine how competing alternatives will be handled • Revise Nomograms based upon project additions • Develop operating limit guidelines

  6. Questions ? robert.stade@us.ngrid.com Phone: 801-328-2169

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