Substation Construction

Wilson provides high-level expertise, quick mobilization and reliable construction services in order to prepare innovative strategies for all phases of switchyard and substation construction. Our team approach provides confidence to clients who need efficient substation design and construction.


Terminal Substation Replacement, UT
Wilson constructed a 345/138kV addition to PacifiCorp's existing terminal substation in Salt Lake City. Wilson removed two undersized 345kV transformers and added new 345kV transformers, breakers, and air break switches,…

Southern California Edison

Colorado River Substation, CA
Wilson built a complete turnkey 75-acre 500/220kV substation in this project that included nearly 34 miles of ground grid. Our scope of work included surface rock, roads, all associated steel…

Arizona Public Service Company

Delaney and Sun Valley 500kV Substations, AZ
Wilson constructed two 500kV substations intended to strengthen reliable energy needed for the Phoenix metropolitan area. Sun Valley Substation Wilson constructed a new 500/230kV substation, which included 35 acres of…

Grant County PUD

Substation EPC Package
Wilson, along with HDR Engineering, performed construction and engineering services to complete a substation EPC package for Grant County PUD, which was specifically labeled a “Progressive Design-Build.” This option provided…