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🇺🇸 Three Mile Island

Name: Three Mile Island
Address: United States

Nuclear power plant · United States

Shut Down

Capacity≈1,725 MW

Units2

First Online1974

Construction Start1968

Shut Down2019

Reactor TypePWR

Coordinates40.154, -76.727

Three Mile Island is a nuclear power station in United States. Of its 2 recorded unit(s), 2 permanently shut down. Combined net capacity of the operating units is about 1,725 MW. The first unit reached commercial operation in 1974. Reactor technology on site: PWR.

Reactor units at Three Mile Island

Unit	Status	Reactor type	Net capacity	Key dates
Three Mile Island-1	Shut Down	PWR B&W LLP (DRYAMB)	819 MW	Construction 1968 · Grid 1974 · Shutdown 2019
Three Mile Island-2	Shut Down	PWR PWR	906 MW	Construction 1969 · Grid 1978 · Shutdown 1979

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Contains information from GeoNuclearData, made available under the ODbL. Sources & methodology. Data compiled from open datasets (GeoNuclearData and operator reports); figures are approximate — verify official status with IAEA PRIS. See the United States nuclear overview or browse all nuclear sites.