TSMC has started production in its first US fabrication unit in Arizona. It's manufacturing Apple's A16 processors.

Voters will choose from Republican Brian Bingman, Democrat Harold Spradling and Libertarian Chad Williams to fill an open ...

Gov. Newsom wants to mandate minimum supplies of gasoline at California-based refineries as a hedge against price spikes.

Arizona Corporation Commission candidate Jonathan Hill, formerly of Kingman, meets with Havasu residents at a candidates ...

Advanced Energy United (United) co-hosted and organized an Arizona Corporation Commission (ACC) candidate forum, bringing together interested member companies from the United West Working Group to ...

Southwest Gas customers in Tucson and across Arizona will see some bill relief this winter, as the utility drops a surcharge ...

The Arizona Corporation Commission allowed Tucson Electric Power to build a new overhead transmission line and substation ...

Arizona residents in Lake Havasu City are distressed over a utility rate increase by UniSource Energy, prompting state ...

Electric customers of Tucson-based UniSource Energy Services in Mohave County have been shocked with high bills as Arizona's ...

A spokesperson for UniSource tells ABC15 that the Arizona Corporation Commission approved a roughly 12% rate hike that took effect Feb. 1, 2024. UniSource says it's been seven years since there's been ...

The project will involve the installation of a 138-kV transmission line, a substation, and other upgrades, replacing older, ...

Voters will decide who will be elected to two important regulatory boards: Central Arizona Water Conservation District and ...