The proposed project in the Kenosha County town of Paris draws numerous speakers at a Public Service Commission hearing.

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

X-energy, controlled by billionaire Kam Ghaffarian, rakes in another $200 million to become the best-funded startup ...

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 ...

Issue paper confirms basis of certification, providing a clear pathway for the EPS system and ZA600 powertrain.

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