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Unionville-Rally Hill 161-kV Transmission Line System Improvements

Maury, Marshall, and Bedford Counties, Tennessee

On August 18, 2010, TVA issued an environmental assessment and finding of no significant impact for its proposal to construct and operate an 18-mile, 161-kilovolt (kV) transmission line and two switching stations in middle Tennessee.  This action would improve the bulk transmission system and to continue providing a reliable supply of electric power to TVA’s middle Tennessee power service area.  The proposed transmission line would provide an electrical connection between the Unionville 161-kV Substation and the Rally Hill 161-kV Substation.  The proposed Kedron Road Switching Station and Unionville Switching Station would provide additional flexibility in delivering electric power to the area.  TVA also proposes to make minor equipment upgrades at several TVA facilities and replace approximately 5 miles of overhead ground wire on an existing transmission line in the area to provide additional protection from lightning strikes.

Additional information on the project is available including background information, maps, and a project schedule.


PDF files require Adobe Acrobat Reader.
Environmental Assessment (PDF, 2.5 MB)

Finding of No Significant Impact (PDF, 83 kb)


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

James F. Williamson, Senior NEPA Specialist
Tennessee Valley Authority
400 West Summit Hill Drive, WT 11D
Knoxville, TN 37902



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