USA

First full scale commercial nuclear plant in the United States, a 60 MW pressurized water reactor on the Ohio River near Pittsburg...

Unit 2 suffered a partial meltdown in March 1979 after a stuck valve drained coolant, the most serious US reactor accident, with n...

Three pressurized water reactors totaling about 3,900 MW in the Arizona desert west of Phoenix, the largest generator of electrici...

Two PWRs on the coast near San Luis Obispo, 2,240 MW supplying about 9 percent of California power. Closure planned for 2025 was r...

Units 3 and 4 at Waynesboro Georgia were the first new US reactors ordered after Three Mile Island, Westinghouse AP1000 passive sa...

Three reactors 25 miles north of New York City that supplied roughly a quarter of the city and lower Hudson Valley power. Shut in ...

An 800 MW pressurized water reactor on Lake Michigan, shut in 2022 when its fuel purchase deal lapsed. Bought for restart, it is s...

A planned 350 MW liquid metal fast breeder demonstration reactor in Tennessee, cancelled in 1983 after years of design change and ...

Two half built pressurized water reactors on the Tennessee River that TVA suspended in 1988 and never finished. Construction licen...

Experimental Breeder Reactor I in Idaho generated the worlds first electricity from nuclear fission in December 1951, lighting fou...

A 62.5 MW sodium cooled fast reactor in Idaho that ran from 1964 to 1994, demonstrating a closed fuel cycle with on site reprocess...

The High Flux Isotope Reactor at Oak Ridge, one of the most intense steady neutron sources on Earth, produces californium 252 and ...

The first detonation of a nuclear weapon, the plutonium implosion device nicknamed the Gadget, at 5:29 am on 16 July 1945 on the A...

The continental US proving ground, 1,350 square miles northwest of Las Vegas, hosting 928 announced nuclear tests between 1951 and...

The plutonium production complex on the Columbia river that fuelled the Fat Man bomb. Nine reactors and five reprocessing canyons ...

The plant near Denver that machined plutonium pits for US warheads from 1952 to 1989, closed after FBI and EPA raids for environme...

Five heavy water reactors and separation canyons built in South Carolina to breed tritium and plutonium for the US arsenal. Produc...

The plant near Amarillo in Texas that assembles and dismantles US nuclear warheads, the final assembly point of the arsenal since ...

A demonstration reprocessing plant in New York state that ran only from 1966 to 1972, leaving contaminated soil and a burial groun...

The giant gaseous diffusion building at Oak Ridge, for a time the largest building in the world, enriched uranium 235 for the Hiro...

A gaseous diffusion enrichment plant on the Ohio river in Kentucky that produced enriched uranium for weapons and later commercial...

The gaseous diffusion complex at Piketon in Ohio that enriched uranium from 1954 to 2001. Dismantlement is one of the largest US c...

The National Ignition Facility at Lawrence Livermore focuses 192 laser beams inside a stadium sized building. In December 2022 it ...

A sodium cooled fast breeder demonstration reactor on Lake Erie near Monroe, Michigan. In October 1966 a loose zirconium plate blo...

The Stationary Low Power Reactor Number One, a US Army prototype at the National Reactor Testing Station in Idaho. On 3 January 19...

A coastal plant between Los Angeles and San Diego whose domed containments became a landmark beside the beach. In 2012 new replace...

An island in the Aleutian chain of Alaska used for three underground nuclear tests. Cannikin in 1971, at about 5 megatons, was the...

Built at Oak Ridge, Tennessee for the Manhattan Project, its calutrons enriched the uranium used in the Little Boy bomb dropped on...

The first artificial nuclear reactor, a pile of graphite blocks and uranium built in a squash court under the stands of Stagg Fiel...

The second artificial nuclear reactor after Chicago Pile-1 and the first designed for continuous operation, built at Oak Ridge in ...

The Tokamak Fusion Test Reactor at the Princeton Plasma Physics Laboratory. It was one of the first machines to run on a deuterium...

Founded on a New Mexico mesa in 1943 as Project Y of the Manhattan Project under J. Robert Oppenheimer, where the first atomic bom...