Residents in this small town an hour west of Wickenburg are now paying more for water under an emergency rate hike.

That’s the upshot from Kevin Thompson, the new chair of the utility-regulating Arizona Corporation Commission. “We have to ...

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

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

The Arizona Corporation Commission has joined a $17 million enforcement settlement with securities dealer Edward D. Jones & ...

As climate change drives more extreme heat, more Americans are falling behind on summer utility bills, and a new report says Arizona Public Service customers are among those struggling to keep up.

The utilities are considering smaller modular reactors. The Arizona Corporation Commission, which regulates utilities, generally supports a diverse energy mix that includes nuclear power.

That’s the upshot from Kevin Thompson, the new chair of the utility-regulating Arizona Corporation Commission. “We have to have natural gas,” Thompson said at an industry presentation of the ...