Arizona Corporation Commission supports the expansion of a natural gas pipeline to enhance the state's energy grid ...

Arizona's power grid faces record demand as heatwave causes energy consumption to spike, testing utility companies' capacity.

Arizona Democrats are criticizing Arizona Public Service for reneging on a commitment to transition to 100% clean energy over ...

Arizona's largest utilities could see energy demand nearly triple if every data center in their potential customer pipelines ...

Lake Havasu City residents are still buzzing about high electric bills as another warm summer drags on in the city, and ...

By several metrics, Arizona is the sunniest state in the nation. But solar advocates worry that headwinds at the state and ...

Arizona Public Service (APS), the City of Mesa, Salt River Project (SRP), Tucson Electric Power (TEP), and UniSource Energy Services are partnering with Transwestern Pipeline to expand natural gas ...

Attorney General Kris Mayes announced on Wednesday that Arizona reached a settlement with two major communication companies ...

The Arizona Corporation Commission adopted draft rules to add a temperature threshold of 95 degrees to the current calendar-based moratorium.

The Arizona Corporation Commission decided during a Contingency Open Meeting on July 24 that Arizona Water Company rate ...

A utility company’s Sedona-based customers must shoulder the $6 million costs to camouflage a new underground water storage tank, the Arizona Corporation Commission decided July 24. Faced with a ...

Arizona's largest utilities could see energy demand nearly triple if every data center in their potential customer pipelines came to fruition.