The big three Arizona utilities are studying whether to try and build a second nuclear power plant in the state.

Arizona Public Service, Salt River Project and Tucson Electric Power have taken the first steps by applying for a federal ...

Arizona Public Service (APS), Salt River Project (SRP) and Tucson Electric Power (TEP) announced they’ll be working together to explore adding nuclear generation in Arizona, and retired coal sites may ...

Tucson Electric Power, Arizona Public Service and Salt River Project jointly announced a proposal Wednesday that could have a ...

Arizona's three largest electric utilities will jointly explore expanded nuclear-power options. A new plant here could be ...