BHE U.S. Transmission - a subsidiary of Berkshire Hathaway Energy - has offices in Portland, Oregon and Salt Lake City, Utah.
Pinnacle West Capital Corp. - an energy holding company based in Phoenix, Ariz., and parent company of Arizona Public Service Co. (APS) and several other subsidiaries.
Since 2010, TransCanyon’s affiliates have successfully commissioned 10 new high voltage transmission lines, representing 1,050 miles and $3.7 billion of investment in the electric grid across the western United States.