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Webre – Wells Economic Study

This document provides an overview of the 2017 Economic Study conducted by Webre and Wells, focusing on transmission upgrades and their implications for energy planning. It includes the analysis of three major transmission upgrades, supported by data from RDI and POWERdat, and fuel price forecasts from the EIA. The study utilizes advanced modeling techniques to analyze the economic operation of power systems while identifying congestion areas and durations. Key outcomes and recommendations for future actions are summarized, promoting efficient energy distribution and planning.

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Webre – Wells Economic Study

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  1. Webre – Wells Economic Study LTTIWG Meeting – October 28, 2008 Douglas Bowman, PELead Engineer, ICT Planning501-688-1640dbowman@SPP.org

  2. Webre-Wells Economic Study • 2017 Case • Study model includes Base Plan and Supplemental Upgrade projects • 3 Transmission Upgrades studied • Analysis uses generic data for generating facilities, based on RDI, POWERdat, supplied by ABB. • Fuel price forecasts obtained from the Energy Information Administration (EIA)

  3. Analysis Tool - Gridview • Used for generation and transmission expansion planning, market simulation, and production cost modeling • Engine – Security Constrained Optimal Power Flow • Dispatches generation to minimize production costs while observing security constraints • Simulates economic operation of power system • Chronological simulation from hours to years • Identifies areas and durations of power system congestion

  4. Webre – Wells Contingency Scan Summary

  5. Richard-Webre 500kV Line New Richard – Webre 500kV Line

  6. 138kV Upgrades Upgrade Wilbert – Champagne 138kV Upgrade Terrebone – Gibson 138kV

  7. Wilbert-Champagne-Wells 230kV Line Wilbert – Champagne – Wells 230kV

  8. Acadiana Acadiana Upgrades Wells –Labbe 230 kV Labbe – Bonin 230 kV Richard – Sellers 230 kV Sellers – Labbe 230 kV Sellers Sellers– Moril 230 kV Sellers – Meaux 230 kV

  9. Base Case Congestion – LP&L South 9/16/2017 – 10/11/2017

  10. Option 4 Congestion – LP&L South9/16/2017 – 10/11/2017

  11. Option 4 Congestion Reduction 9/16/2017 – 10/11/2017 LP&L South

  12. Option 12 Congestion – LP&L South9/16/2017 – 10/11/2017

  13. Option 12 Congestion Reduction – 9/16/2017 – 10/11/2017 LP&L South

  14. Option 13 Congestion – LP&L South9/16/2017 – 10/11/2017

  15. Option 13 Congestion Reduction – 9/16/2017 – 10/11/2017 LP&L South

  16. Upgrade Benefits

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