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🇺🇸 Prairie Island

Name: Prairie Island
Address: United States

Nuclear power plant · United States

Operational

Capacity≈1,060 MW

Units2

First Online1973

Construction Start1968

Reactor power (NRC)100% avg · 2026-09-04

Reactor TypePWR

Coordinates44.622, -92.631

Prairie Island is a nuclear power station in United States. Of its 2 recorded unit(s), 2 reactors are operational. Combined net capacity of the operating units is about 1,060 MW. As of 2026-09-04, 2 of 2 reactors at this site were generating, according to the U.S. NRC daily status report. The first unit reached commercial operation in 1973. Reactor technology on site: PWR.

Reactor units at Prairie Island

Unit	Status	Reactor type	Net capacity	Key dates
Prairie Island-1	Operational	PWR WH 2LP (DRYAMB)	530 MW	Construction 1968 · Grid 1973
Prairie Island-2	Operational	PWR WH 2LP (DRYAMB)	530 MW	Construction 1969 · Grid 1974

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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.