This Tucson tech company looking to make waves in the EV battery market has hired a former GM exec as chief operating officer ...

With a new nuclear reactor in Arizona now a possibility ... 15 p.m. Tuesday in front of the downtown headquarters of Tucson Electric Power near Broadway Road and Sixth Avenue.

Four organizations serving Arizona communities impacted by the transition away from coal-fired power plants will receive grant funds to strengthen their local economies from the Utilities’ Grant ...

An anti-nuclear group is planning a protest at Tucson Electric Power, following word that three utilities might pursue a new reactor in Arizona.