Transmission Construction

Wilson’s high voltage overhead expertise ranges from 115kV to 500kV. Our design and build team offers dedicated solutions to complete projects requiring hot work, environmentally sensitive areas , and other challenging site conditions on time, in any region, and within budget.



Minnesota Power (ALLETE)

Great Northern Transmission Line 500kV Overhead Project, MN
Wilson, in a joint-venture with Hooper Corporation, built a 224-mile 500kV transmission line from the Canada-U.S. border into Minnesota. The line design was a guyed delta configuration with 1192.5 ACSR…

Pacific Gas and Electric Company

Geysers 115kV and 230kV NERC Mitigation
Wilson made structure modifications to 17 single and double circuit transmission towers, including six top cage extensions and one waist cage extension, on 115kV and 230kV transmission lines throughout the…

Avista Utilities

Fire Restoration on Salmon River, ID
Wilson was contacted by Avista Utilities to repair 11 H and three-pole structures that had burned down in a very remote area of the Salmon River in Idaho, about 40…

Arizona Public Service Company

Dugas – Morgan 500kV East Circuit, AZ
Wilson replaced 44 miles of static wire with Optical Ground Wire (OPGW) on the Dugas - Morgan 500kV transmission line, located north of Phoenix, Arizona. Wilson coordinated with APS and…