Besides stakes in NGS, APS owns stakes in Four Corners and the coal-fired Cholla Power Plant, which is south of the Navajo Nation near Joseph City.

The Northwest’s only commercial nuclear power plant reconnected to the electric grid Sunday morning after a short shutdown, ...

A plan for a 5,000-seat live event arena and new restaurants is taking shape for the old Market Street Power Plan on the ...

The Columbia Generating Station, north of Richland, is the third largest electricity generator in Washington state.

The U.S. nuclear regulator has approved Dominion Energy's application to extend the operating license of its V.C. Summer ...

Zambia's President Hakainde Hichilema on Monday opened the country's biggest grid-connected solar power plant, built by ...

Restarting a closed nuclear plant is a complex regulatory process that involves numerous inspections, safety checks, part ...

North Dakota regulators have set a public hearing date for what, if built, would be the state's largest power plant.

The recall is designated Class III, or marginal health risk, and there have been no reports of any adverse effects from ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the ...

Tucson Electric Power seeks approval to buy energy from two 80-megawatt solar projects in Cochise County under rules requiring it to take the power.

Colorado’s top water board unanimously agreed Tuesday to hear out Front Range water operators’ concerns about a Western Slope ...