Tep 10 yr plan 2009 2018
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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)

WestConnect Planning Workshop

Phoenix, Arizona

November 13, 2008

Ron Belval

Tucson Electric Power, Inc.


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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


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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


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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


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SATS EHV & 230kV 10 Year Projects

Refer to Projects – 10 Year Plan Slides


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Note A: Joint project. Participants are considering deferral to 2013.

Note B: Joint project. TEP evaluating feasibility of deferral to 2013.


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Note A: Bicknell transformer relocated to Greenlee. to 2013.

Note B: Joint project. Deferral possible due to competing alternative project(s).


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Note A: Deferral possible due to competing alternative projects.

Note B: Under evaluation.


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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.


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Note A: Investigation on going in Cochise County Study plan for 2009.

Note B: Substation related to Kartchner – SC2 – San Rafael project.


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Note A: Structure upgrades to raise conductor operating temperature to 150˚C.

Note B: Rconductor scheduled for 2016.


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Note A: New line associated with new Cienega substation. temperature to 150˚C.

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.


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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.


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Note A: Project and schedule are subject to revision. coordinate with new Kino substation.


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TEP 10 Year Plan to be Revised coordinate with new Kino substation.

  • 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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