ict transmission summit july 31 st 2007 n.
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Acadiana Planning Update

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ICT Transmission Summit July 31 st , 2007. Acadiana Planning Update. Overview. Acadiana Load Pocket currently dependent on generation from LUS and CLECO in order to mitigate transmission constraints. System historically planned assuming generation running

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Presentation Transcript
overview
Overview
  • Acadiana Load Pocket currently dependent on generation from LUS and CLECO in order to mitigate transmission constraints.
  • System historically planned assuming generation running
  • ICT proposes that the Acadiana Load Pocket be planned to be secure for the loss of a line AND a generator (N-1-1)
  • Draft plan presented to Entergy, LUS, CLECO, and LEPA on March 2nd, 2007
acadiana import limit
Acadiana Import Limit
  • CLECO proposed a methodology to redispatch CLECO and LUS generation based on an import limit for each entity.
  • CLECO and LUS generation would redispatch to relieve loading on Scott-Bonin prior to going to a TLR Level 5
  • Discussions on redispatch agreement are currently ongoing
proposed transmission expansion plan
Proposed Transmission Expansion Plan
  • 230 kV
    • Webre – Cecelia (27 mi)
    • Webre 500/230 kV transformer
    • Wells – Cecelia (22 mi)
    • Cecelia – Moril (24 mi)
    • Cecelia 230/138 kV transformer
    • Moril 230/138 kV transformer
  • 138 kV
    • Upgrade Cecelia – Bonin (14 mi)
    • Upgrade Cecelia – Moril (24 mi)
    • Upgrade Moril – Duboin (4.5 mi)
    • Moril – Leblanc (9 mi)
    • Capacitor bank at Meaux
    • Capacitor bank at Leblanc

Estimated cost: $110M

proposed transmission expansion plan1
Proposed Transmission Expansion Plan

500/230 kV auto at Webre

230 kV Wells - Cecelia

230 kV Webre - Cecelia

230 kV Cecelia - Moril

Upgrade 138 kV Cecelia - Bonin

Upgrade 138 kV Cecelia - Moril

Upgrade 138 kV Moril - Duboin

138 kV Moril - Leblanc

next steps
Next Steps
  • Plan has been submitted to LUS, CLECO, Entergy, LEPA for review
  • Review additional alternatives
  • Economic studies to determine cost benefit of upgrades
  • ICT Report to be published by September 1st, 2007
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