data-icon-hover Haymarket
Dominion Energy

OPEN HOUSE


Thursday, Sept. 5, 2019 6-8 p.m.
Battlefield High School Cafeteria

15000 Graduation Drive, Haymarket, Virginia 20169


OPEN HOUSE INFORMATION×
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ABOUT THE PROJECT

project overview

The Haymarket 230 kV Electric Transmission Project was approved by the Virginia State Corporation Commission in July 2018. The final route, known as the I-66 Hybrid Route, consists of a partial overhead and underground build that allows us to accommodate the needs of the community and meet growing energy demands in Prince William County and the town of Haymarket.

Related Documents

  • Open House Information Open House Information
  • Danger Tree Diagram Danger Tree Diagram
  • Access Maps Access Maps
  • Typical Structure Typical Structure
  • Simulations Simulations
  • Right of Way Brochure Right of Way Brochure
  • Cultural & Historical SitesConstruction Brochure(Google Earth Required.)

Existing dominion line #124

Existing Line

Overview

Dominion Energy has an existing right of way corridor containing a 115 kilovolt (kV) transmission line that runs from our Gainesville Substation north to our Loudoun Substation. This line will be converted to operate at 230 kV and will not require construction work in this portion of the right of way.

Construction Methods

Pre-construction

Pre-construction

During the pre-construction phase, crews survey and clear the right-of-way, build access roads, and install erosion control devices.

Overhead

Overhead

Overhead line construction on new right of way requires crews to clear trees and install foundations so cranes can be used to erect new structures.

Open Trench

Open Trench

Open Trenching involves excavating along a pre-determined path so transmission cable can be safely installed underground.

HDD

Directional Drilling

Horizontal Direction Drilling allows for the installation of transmission cable underground in minimally-accessible areas, such as under highways and waterways.

Simulation 4

Before After

Overhead Transmission

Intersection of i66 and Prince William PKWY • Looking East

Simulation 3

Before After

Heathcote transition station

Intersection of I-66 and Lee Highway • Looking South

Simulation 2

Before After

Underground Transmission

Above i66 • Looking Northeast

Simulation 1

Before After

View of Haymarket Substation

Above John Marshall Highway • Looking Southwest

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