About Us. UNS Energy Corporation, headquartered in Tucson, Arizona, is a subsidiary of Fortis Inc., the largest investor-owned electric and gas distribution utility in Canada. Our public utility subsidiaries, Tucson Electric Power Company, UNS Electric, Inc. and UNS Gas, Inc., power our economy by providing electric and gas service to nearly 700,000 customers in Arizona. We embrace a spirit of giving, dedicated to improving quality of life in the...
About Us. UNS Energy Corporation. headquartered in Tucson, Arizona, is a subsidiary of. Fortis Inc. the largest investor-owned electric and gas distribution utility in Canada. Our public utility subsidiaries, Tucson Electric Power Company, UNS Electric, Inc. and UNS Gas, Inc., power our economy by providing electric and gas service to nearly 700,000 customers in Arizona. We embrace a spirit of giving, dedicated to improving quality of life in the...
