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Powerlines101 - Learning Zone: Learn how we build and maintain transmission lines.

Project Overview

Due to rapid growth and local comprehensive planning, we propose to place a portion of an existing overhead 230 kilovolt (kV) electric transmission line underground and construct a new substation source in the Tysons area of Fairfax County.

We propose underground an existing overhead transmission line between our Tysons Substation on Tyco Road to a new transition pole just south of the future Spring Hill Substation southwest of Leesburg Pike and Spring Hill Road in Fairfax County.

The 230 kilovolt (kV) line is approximately half-mile in length and is consistent with Fairfax County’s Comprehensive Plan and responds to 2019 undergrounding pilot legislation.

Benefits

Complies with mandatory standards to ensure safety, reliability and to meet future needs

Timeline (View Full Timeline)

March 2, 2021
Dominion Energy Virginia Rebuttal due
March 26, 2021
Public Comments deadline
March 31, 2021
A local public hearing will convene by telephone at 10 a.m., with no witness present in the Commission courtroom.
The Commission will telephone each witness sequentially who has signed up to provide comment