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

TUCSON - Arizona is taking legal action against Tucson Electric Power Co. over environmental concerns at a landfill in Tucson ...

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.

KA’UPULEHU-KONA, Hawaii (AP) — Ernie Els won the season-opening Mitsubishi Electric Championship on Saturday for his seventh PGA TOUR Champions victory, closing with a 6-under 66 to beat ...

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

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

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

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

Arizona's first 18 federally financed electric vehicle charging stations will start construction late this year as planned, ...

This hybrid Tucson gives you better gas mileage, plus more power than the gas-only version. Yet it costs just a little bit ...

President Trump's "energy emergency" declaration aims to expand power generation from natural gas and nuclear power, largely ...

Arizona's electric utilities are planning for more nuclear power as part of a new look for this energy source and the ...