TEP, along with metro-Phoenix utilities Arizona Public Service and Salt River Project, announced that they are looking into the feasibility of building ... to garnish the Tucson demonstration ...

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

Arizona Gives Day, the 24-hour fundraising initiative, has serious repercussions for nonprofits across Tucson.

A recent op-ed targeting Tucson Electric Power advanced a false narrative ... but there were still signs everywhere of its destruction: bombed buildings, empty lots, traumatized people.

Farmington Electric Utility System is in the process of installing 18 megawatts of reciprocating internal combustion engines ...

Tucson-based Sion Power installed a new large-format battery cell production line at its Tucson manufacturing facility, ...