Arizona Public Service - operator of the Palo Verde nuclear power plant - is collaborating with Salt River Project and Tucson Electric Power to assess possible locations for new nuclear capacity, including retiring coal plants.

Arizona's three largest electric utilities will jointly explore expanded nuclear-power options. A new plant here could be operational by the 2040s.

Arizona’s three major electric power utilities said they will collaborate to explore adding more nuclear power generation in the state, possibly placing small modular reactors (SMRs) or building large reactor

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