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At Dominion Energy, we are dedicated to finding the best solution for long-term energy needs within the communities we serve. It has become necessary to address an aging electric transmission line, which has been in operation for more than five decades, between our Loudoun Substation in Loudoun County and our Ox Substation in Fairfax County. The rebuild will bring facilities up to current reliability and safety standards.

Updates & Benefits


  • June 2, 2020 - The SCC issued its Final Order approving the Loudoun-Ox transmission project.
  • May 1, 2020 - The Hearing Examiner’s Report was issued recommended the Commission approve the proposed project.
  • Sept. 17, 2019 - The SCC issued its Procedural Order for the Loudoun-Ox rebuild project.
  • Aug. 13, 2019 - Dominion Energy filed an application for a Certificate of Public Convenience and Necessity with the Virginia State Corporation Commission (SCC) for the Loudoun-Ox rebuild project.


  • Requires no new right of way.
  • Replaces the line to meet current electrical need and safety requirements.
  • Removal of approximately 8.5 line miles co-located within the right of way - reducing the number of structures in corridor.

Overview & Project Description

The portion of line proposed for rebuild is approximately 19 miles in length and runs parallel with other transmission lines within an existing corridor. As a result of this project, we will also remove approximately 8.5 line miles co-located within the right of way – reducing the number of structures in the corridor.

Community Engagement

At Dominion Energy, we are committed to keeping our neighbors informed about energy needs where they live and work. As the project develops, we will:

  • Continue outreach by communicating with legislators, homeowners associations and other identified stakeholders.
  • Host two, local open houses with property owners, homeowners associations and the public.
  • Provide ongoing communications through informational materials, mailings, email updates and a project website.


  • April 22, 2020 - Evidentiary Hearing, 10:00 am VA SCC, Richmond, VA
  • April 15, 2020 - Public Comments deadline
  • March 20, 2020 - Dominion Energy Virginia Rebuttal due
  • February 28, 2020 - Staff Report due
  • January 29, 2020 - Local Public Hearing, 2:00 pm and 7:00 pm at Sully District Government Center, Chantilly, VA
  • November 1, 2019 - Landowner, Gov't Official and Public Notice
  • TBD - Procedural order issued; public hearing scheduled
  • August 2019 - File application with Virginia SCC
  • July 9, 2019 & July 16, 2019 - Host two public open houses
  • May/June 2019 - Meet with local elected officials; Project website launched; dedicated email/phone open; and Solicit input from cultural advocacy groups

SCC Applications


How can residents and business owners in the community become involved in this process?

There will be two open house events in summer 2019 where the public can meet with our subject matter experts to learn details on the project. In addition, the Transmission Application Process Chart outlines how the public can become involved in the Virginia SCC approval process. You can also contact us to add your mailing address and email address to our distribution list.

Will Dominion Energy propose placing this line underground or overhead?

Dominion Energy has more than 6,700 miles of overhead transmission lines. The proposed project seeks to replace existing overhead structures with new overhead structures within the existing right of way. In doing so, the line will be rebuilt to current safety and industry standards.

What will be the environmental impact of the line construction?

As part of the regulatory application process, Dominion Energy completes an evaluation of potential environmental, cultural and historical impacts of the project. Dominion Energy works with local, state and federal agencies to complete these evaluations and mitigate any impacts. All required permits are obtained and permitting conditions are met. Permitting agencies typically include the Army Corps of Engineers, the Virginia Department of Conservation and Recreation, the Virginia Marine Resources Commission and the Virginia Department of Transportation. Commenting agencies include the Virginia Department of Game and Inland Fisheries and the Virginia Department of Historic Resources, among others.

Our enterprise-wide environmental report describes our commitment to the responsible stewardship of natural resources and provides a wealth of information on environmental management and performance. We also invite you to read our Corporate Environmental Policy and our Greenhouse Gas Report.

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