The plant — located in Tonopah, about 55 miles west of downtown Phoenix — began operating in 1985. It provides enough energy today to power about 4 million homes and businesses in Arizona ...

The plant — located in Tonopah, about 55 miles west of downtown Phoenix — began operating in 1985. It provides enough energy today to power about 4 million homes and businesses in Arizona ...

Power plants are formidable and picturesque parts of the vast landscapes of Arizona. The Navajo Generating Station, near Page, provides electricity to customers in Arizona and Nevada.

Phoenix planners and business leaders insist there is adequate power and water to sustain growth. Innovation is key.

President Donald Trump's tax and policy bill could slow Arizona's clean energy industry, but companies aren't talking.

Arizona natural-gas users could soon be heating their homes, cooking, and fueling vehicles, with renewable gas made from cow manure or sewer waste.

Arizona's economy for years generated a robust number of jobs. But layoffs, slowing migration and tariff uncertainty appear ...

Michael Lewis Arthur Meyer, who leads the anti-government group Veterans On Patrol, believes the military and media use radar ...

Phoenix's data center boom is overloading the power grid and some worry it'll lead to higher electricity bills.

With data centers pushing the Phoenix area’s power grid to the limit, critics worry residential customers will pay higher bills.