Thompson said he might welcome another natural gas pipeline serving Arizona, and he said underground storage of natural gas, ...

Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.

PHOENIX – Arizona regulators have taken the first step toward potential nuclear energy expansion, opening an inquiry into new development options, including small modular reactors.

Three of the state’s largest utilities; APS, SRP, and Tucson Electric Power are exploring a joint venture to bring a Generation III+ Small Modular Nuclear Reactor to Arizona.

Here's what we know about the car crash that caused an SRP power outage near 63rd Avenue and Thomas Road in Phoenix on Feb. 2 ...

Arizona’s three biggest utilities have joined forces to assess the feasibility of adding more nuclear generating capacity to ...

Arizona Public Service - operator of the Palo Verde nuclear power plant - is collaborating with Salt River Project and Tucson ...

Salt River Project (SRP) and Tucson Electric Power (TEP) are to consider the possibility of adding nuclear generation in ...

Arizona's big three utilities are eyeing a new nuclear power plant, but it'll be a long and complicated process. The big ...

Tucson Electric Power, Arizona Public Service and Salt River Project — say a new nuclear reactor could be operating in the ...

The Gilbert Road bridge over the Salt River reopened to traffic after a two-year, $48.6 million project. The old bridge, built in 1990, was replaced to address aging infrastructure and prevent ...

The Trump administration’s move to halt spending on “green” energy programs leaves a big question mark hanging over federally ...