UniSource Energy Services, also known as UNSE, proposed expanding its Black Mountain Generating Station near Kingman with four new natural gas turbines.
GOLDEN VALLEY — Arizona Corporation Commission Power Plant and Transmission Line Siting Committee voted overwhelmingly to deny an application from UniSource Electric, Inc. to remove the committee from its oversight
For Star subscribers: Tucson Electric Power has relaunched its plan for a new high-voltage transmission line through midtown but still faces stiff opposition.
Tucson Electric Power Co. is seeking state approval of a new transmission line to deliver high-voltage power to Pima County’s Aerospace Research Campus.