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TEP 10 YR PLAN (2009 – 2018)

TEP 10 YR PLAN (2009 – 2018). WestConnect Planning Workshop Phoenix, Arizona November 13, 2008 Ron Belval Tucson Electric Power, Inc. SATS Participants & Stakeholders “Single System Planning Principle”. Transmission Providers APS, SWTC, TEP, Western PNM, EPE Transmission Customers

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TEP 10 YR PLAN (2009 – 2018)

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  1. TEP 10 YR PLAN(2009 – 2018) WestConnect Planning Workshop Phoenix, Arizona November 13, 2008 Ron Belval Tucson Electric Power, Inc.

  2. SATS Participants & Stakeholders“Single System Planning Principle” • Transmission Providers • APS, SWTC, TEP, Western • PNM, EPE • Transmission Customers • CAP, Ft. Huachuca, SSVEC, Trico • Project Developers • Acciona, Bowie, Entegra, SunZia • Regulators • ACC • Other Interested Parties • APA, AzISA, EPG, NM RETA, WSES

  3. Open Stakeholder Process • Local Jurisdictions • Potential Future Substation Sites and Transmission Corridors Reflect Local Jurisdictions’ Existing Land Use Plans • Regional Coordination • SWAT, WestConnect and TEPPC • Stakeholder Involvement per FERC Order 890 • SWTC and TEP Joint Meetings • June 5, 2008 & December 9, 2008

  4. Inter-Subgroup Coordination Modeled Mega-Projects with “Scenario” Generators • 2009 Study Plan reflects • Impact of flow through • NM → AZ → Western Markets • Renewable Energy Projects • Capture over lapping boundary opportunities • CATS → SATS • SPPR Three Terminal Proposal

  5. SATS EHV & 230kV 10 Year Projects Refer to Projects – 10 Year Plan Slides

  6. Note A: Joint project. Participants are considering deferral to 2013. Note B: Joint project. TEP evaluating feasibility of deferral to 2013.

  7. Note A: Bicknell transformer relocated to Greenlee. Note B: Joint project. Deferral possible due to competing alternative project(s).

  8. Note A: Deferral possible due to competing alternative projects. Note B: Under evaluation.

  9. Note A: Joint project. To be included in future SWTC capital work plan. Note B; 1st 230kV line identified in the SATS study needing upgrade. Note C: 2nd 230kV line identified in the SATS study needing upgrade.

  10. Note A: Investigation on going in Cochise County Study plan for 2009. Note B: Substation related to Kartchner – SC2 – San Rafael project.

  11. Note A: Structure upgrades to raise conductor operating temperature to 150˚C. Note B: Rconductor scheduled for 2016.

  12. Note A: New line associated with new Cienega substation. Note B: Project and schedule are subject to revision. Note C: Schedule is subject to revision. 1st phase of plan to reconductor 3 circuits on triple circuit structures.

  13. Note A: Project and schedule are subject to revision. To coordinate with new Kino substation. Note B: Relocation from WESTERN’s Nogales 115kV switching station to the TEP Vail 345/138kV substation. Includes segment of new 138kV plus 115kV line and substation upgrades to 1138kV. Note C: 2nd phase of plan to reconductor 3 circuits on triple circuit structures. Note D: 3rd phase of plan to reconductor 3 circuits on triple circuit structures.

  14. Note A: Project and schedule are subject to revision.

  15. TEP 10 Year Plan to be Revised • TEP Load Forecast to be Updated • Reflecting lower growth considering current economic conditions • 10 Year Plan to be submitted to ACC in January 2009 will be revised • Anticipate significant changes from WestConnect submittal

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