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Priority Project Update. Bruce Rew Vice President, Engineering. Priority Project Overview. Commitments to Construct have been received from all Transmission Owners Westar Energy, Mid-Kansas Electric Co., and Sunflower Electric Power Corp. propose Novation to Prairie Wind and ITC Great Plains

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Presentation Transcript
priority project update

Priority Project Update

Bruce Rew

Vice President, Engineering

priority project overview
Priority Project Overview
  • Commitments to Construct have been received from all Transmission Owners
  • Westar Energy, Mid-Kansas Electric Co., and Sunflower Electric Power Corp. propose Novation to Prairie Wind and ITC Great Plains
  • Routing changes surrounding Medicine Lodge
    • Environmental/ Right-of Way issues
  • Cost Estimate changes
    • Multiple causes, including re-routing, reactive support, and refining project scope within shared projects
nebraska city maryville sibley
Nebraska City - Maryville - Sibley
  • KCPL GMO and OPPD Project Updates
    • Added reactive support to updated project estimates
      • Addition of reactive support has caused increase in cost for both KCPL GMO and OPPD
    • KCPL GMO forecasted contingency for higher labor, material, equipment costs
      • Estimates are preliminary due to limited design work, siting and procurement activities
    • OPPD has refined project scope and updated project estimates
      • Uncertainty of line route and river crossing/ROW issues increases cost estimate
hitchland woodward
Hitchland - Woodward
  • OGE and SPS Project Updates
    • SPS and OGE divided construction at approximately 30 miles for SPS, 90 miles for OGE
      • Original OGE estimate contained total 120 miles of project
      • SPS estimate lower than original OGE estimate for their 30 mile section
    • SPS estimates are preliminary
      • Limited experience in double circuit 345kV construction
woodward comanche county medicine lodge
Woodward - Comanche County/Medicine Lodge
  • MKEC and OGE Project Updates
    • Routing Changes due to environmental concerns
      • Woodward line proposed to terminate at Medicine Lodge instead of Comanche County
        • Line to move eastward and increase by approximately 40 miles
      • Additional line length causes significant cost increase
    • Proposed Novation of portions of project to Prairie Wind and ITC Great Plains
      • Prairie Wind will be involved in line construction, ITC Great Plains for substation
spearville comanche county medicine lodge wichita
Spearville - Comanche County - Medicine Lodge - Wichita
  • MKEC, SUNC, and WR Project Updates
    • Proposed Novation of portions of project to ITC Great Plains and Prairie Wind
    • Added reactive support to project estimates
      • ITC GP Substation costs increased with new reactive compensation
        • ITC GP still optimizing studies
    • Routing changes for new substation in Wichita
      • Prairie Wind estimates additional 5 miles of line to substation
        • Increased cost for additional line and substation
priority projects unchanged
Priority Projects Unchanged
  • NW Texarkana – Valliant
    • No changes proposed by AEP
  • Tulsa Reactor
    • No changes proposed by AEP
updated b c ratio
Updated B/C Ratio
  • Original cumulative B/C = 1.78
  • Based on new cost estimates, Cumulative B/C = 1.58
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