Palo Verde Nuclear Generating Station will mark four decades this year as one of the nation's largest producers. Here's what to know about nuclear energy in Arizona.

Radiation contamination is a real threat at nuclear facilities, which is why security gets tighter as you get closer to Palo Verde's three reactors.

Security guards at Palo Verde Nuclear Generating Station west of Phoenix noticed something odd on a September night last year. Five or six drones buzzed over the perimeter fence of the nuclear ...

The nearly 4-GW, three-unit Palo Verde Nuclear Generating Station remains the largest generator of electricity in the U.S. for the 23rd consecutive year, producing more than 30 million MWh in 2014 ...

The Palo Verde plant, Arizona’s only nuclear power facility, relies mostly on effluent. Only about 3 percent of the water used in its operations came from groundwater in 2013, according to ...

The Palo Verde Nuclear Generating Station is the most productive generating station in the United States, creating enough electricity to power more than 4 million homes and businesses.

The emergency system for the Palo Verde nuclear power plant is being tested but the command center is underground, 60 miles away from the plant in Phoenix.

Palo Verde Nuclear Generating Station will mark four decades this year as one of the nation's largest producers. Here's what to know about nuclear energy in Arizona.

The utilities might opt for a traditional large complex, such as at Palo Verde, or a small nuclear plant — or possibly a combination of facilities, or no new nuclear projects at all.