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After more than six decades of operation, the wooden H-frame structures and associated components along the nearly six mile line from our New Road Substation to our Middleburg Substation in Prince William, Fauquier and Loudoun counties need to be replaced in order to maintain reliability for our customers.


  • Project area is 5.8 miles long
  • Right of way width is primarily 100 feet wide
  • Current average structure height = 54 feet
New Road - Middleburg Map

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  • September 2020 - Project construction begins with access installation and right of way preparation.
  • Early July 2020 – Virtual Community Construction Informational Meeting. More details to come soon.
  • May 2020 – Access and construction plans are being finalized in preparation for construction starting in August 2020.
  • March 2020 – Project simulations were added to the project page and an update postcard was sent to neighbors along the rebuild corridor.
  • Feb. 2020 – Soil borings have been completed and construction plans were under review.

Project Goals

Our planned approach is to rebuild this line in a manner that

  • upgrades it to current 115 kilovolt (kV) standards
  • requires no new permanent right of way
  • keeps new structures at comparable heights to existing structures

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Overview & Project Description

The New Road-Middleburg 115 kV line was originally built in 1953 using wooden H-frame structures. Although the line and its components have been well-maintained, they are at the end of their service life and need to be replaced to maintain reliability for over 9,000 customers served by the Middleburg Substation.

Because this transmission line is the only one providing power to Middleburg Substation, we will need to install a temporary transmission line to maintain reliable power for our customers while we work in the area. This temporary line will be dismantled at the end of the project.

Photo Simulations


  • End of 2021 – Tentative project completion
  • Fall 2020 – Line construction
  • Summer 2020 – Surveying, access installation and road building
  • First Quarter 2019Project Announcement
  • Fourth Quarter 2018 – Planning discussions with counties
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