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🇺🇸 Diablo Canyon

Name: Diablo Canyon
Address: United States

Nuclear power plant · United States

Operational

Capacity≈2,190 MW

Units2

First Online1985

Construction Start1968

Reactor power (NRC)100% avg · 2026-09-03

Reactor TypePWR

Coordinates35.212, -120.854

Diablo Canyon 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 2,190 MW. As of 2026-09-03, 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 1985. Reactor technology on site: PWR.

Reactor units at Diablo Canyon

Unit	Status	Reactor type	Net capacity	Key dates
Diablo Canyon-1	Operational	PWR WH 4LP (DRYAMB)	1,084 MW	Construction 1968 · Grid 1985
Diablo Canyon-2	Operational	PWR WH 4LP (DRYAMB)	1,106 MW	Construction 1970 · Grid 1986

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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.