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.



Arizona Public Service Company

Delaney - Sun Valley 500kV Transmission Line
Wilson constructed 28 miles of 500kV transmission line on primarily self-supporting single circuit steel monopole structures and single circuit lattice towers from the new Delaney Substation to the new Sun…

Southern California Edison Company

166 - Valley - Ivyglen 115kV Project
Wilson was contracted by Southern California Edison Company (SCE) to perform the engineering, environmental compliance, property acquisition, material procurement, and construction of the 166 – Valley – Ivyglen 115kV Project.…

Bonneville Power Administration

Bonneville - Hood River No. 1 Rebuild Project
Wilson rebuilt 17 miles of 115kV transmission line along the Columbia River Gorge near Portland, Oregon for the Bonneville Power Administration (BPA). A total of 185 lattice steel and wood…

Southern California Edison Company

Valley South Subtransmission Project, CA
In December of 2020, Wilson completed construction of 15 miles of 115kV subtransmission line for Southern California Edison Company (SCE). The project, whose design phase began in June of 2018,…