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The 115 kV electric transmission line that runs from our Buena Vista Substation in the city of Buena Vista to our Balcony Falls Substation in Rockbridge County, Virginia is at the end of its service life and needs to be replaced to maintain reliability for our customers.

Goals

Our suggested approach is to rebuild this line in a manner that:

  • Upgrades it to current 115 kilovolt (kV) standards
  • Utilizes the existing right of way
  • Primarily uses brown, weathering steel H-frames

Documents

Buena Vista Balcony Falls Project Map

Anticipated Project Timeline:

  • Q2 2021 – Q2 2023 – Permitting activities, coordination with stakeholders, and conceptual design
  • March 2021 –Project announcement sent to community
  • Summer 2023 – Begin construction
  • End of 2024 – Complete construction
  • Early 2025 – Complete restoration

Overview

The existing structures and components along this 10-mile line corridor have been in service for nearly 10 decades. The facilities are at the end of their service life and need to be replaced to meet current safety and reliability standards.

We are proposing to replace the existing galvanized-steel lattice structures primarily with brown, weathering-steel H-frame structures.

Existing Transmission Corridor Conditions

  • Project area is 10 miles long
  • Right of way is primarily 100 feet wide with 120-foot and 140-foot sections
  • Primarily galvanized steel lattice structures with some galvanized steel monopole structures

Proposed Transmission Corridor Conditions

  • Utilize existing right of way corridor
  • Install brown, weathering-steel H-frames throughout most of the corridor. Weathering steel monopole and 3-pole structures will be used in some locations.
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