WhereNuc · All sites · United States

🇺🇸 Columbia (WNP-2)

Name: Columbia (WNP-2)
Address: United States

Nuclear power plant · United States

Operational

Capacity≈1,100 MW

Units1

First Online1984

Construction Start1972

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

Reactor TypeBWR

Coordinates46.471, -119.333

Columbia (WNP-2) is a nuclear power station in United States. Of its 1 recorded unit(s), 1 reactor is operational. Combined net capacity of the operating units is about 1,100 MW. As of 2026-09-04, 1 of 1 reactor at this site was generating, according to the U.S. NRC daily status report. The first unit reached commercial operation in 1984. Reactor technology on site: BWR.

Reactor units at Columbia (WNP-2)

Unit	Status	Reactor type	Net capacity	Key dates
Columbia (WNP-2)	Operational	BWR BWR-5 (Mark 2)	1,100 MW	Construction 1972 · Grid 1984

🌍 View on the live 3D globe →

Other nuclear sites in United States

Vogtle Palo Verde Browns Ferry Summer Millstone Oconee San Onofre South Texas Watts Bar McGuire Comanche Peak Sequoyah

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.