Underground Construction

Wilson’s underground transmission team tackles unique project needs, from solid dielectric to high pressure fluid-filled cables, and has some of the most experienced personnel in the United States. Our specially fabricated cable-pulling equipment has helped install cable through 345kV from coast to coast, reliably.

Entergy Services, Inc.

Mississippi River Crossing, 230kV Transmission Line, LA
This extraordinary project consisted of the installation of a 230kV transmission line underneath the Mississippi River. To accomplish the work, Entergy negotiated the bore under a separate contract and issued…

Plant Developer

Center Substation 345kV Solid Dielectric Interconnects, TX
This project included the design, procurement, and construction of the underground duct bank, cable system and GIS pits for five 345kV solid dielectric cable interconnects from the Independent Power Producer…

Raytheon / Sithe Energies

US Mystic Station 345kV and 115kV and Fore River Station 115kV Projects, MA
This project involved the high voltage interconnect for two power plants in the Boston, Massachusetts area. The Mystic Station is a 1600MW plant with two interconnect voltages. The first included…

NV Energy

Sinatra 230kV Loop In Underground Project, NV
NV Energy awarded Wilson the Sinatra 230kV Loop-In Project located in Las Vegas, NV. The project consisted of one mile of two double circuit duct banks, eight transmission vaults, 12…