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Starkville and Columbus, Mississippi – Power Supply Improvement

Lowndes and Oktibbeha Counties, Mississippi

On July 9, 2010, TVA issued an environmental assessment and finding of no significant impact for its proposal to construct and operate a 161-kilovolt (kV) transmission line and a switching station to improve the existing power supply system in the Golden Triangle area of Lowndes and Oktibbeha counties, Mississippi, and to provide a second 161-kV feed to 4-County Electric Power Association’s (EPA) Catalpa Creek Substation.  The proposed 14-mile 161-kV transmission line would provide an electrical connection from TVA’s SeverCorr 161-kV Switching Station to TVA’s Starkville 161-kV Switching Station through the new Clayton Village 161-kV Switching Station.

The transmission line would utilize mostly single-pole steel structures on new 100-foot right-of-way occupying about 170 acres.  The switching station would occupy approximately 19 acres and would be located adjacent to the 4-County EPA’s existing Lakeside Substation and TVA’s West Point-Midway 161-kV Transmission Line.  A short transmission line connection would also be constructed from TVA’s existing West Point-Midway 161-kV Transmission Line into the new switching station.  Additionally, various minor modifications would be made to existing facilities in connection with the proposal.


PDF files require Adobe Acrobat Reader.

Finding of No Significant Impact (PDF, 29 kb)

Environmental Assessment (PDF, 1.4 mb)

Appendices to the Environmental Assessment (PDF, 941 kb)


For more information or to request an electronic or printed copy of these documents, contact:

Anita E. Masters, Senior NEPA Specialist

Tennessee Valley Authority
1101 Market Street, LP 5U
Chattanooga, TN 37402




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