Largest Nuclear Power Plants in the U.S.

The three largest plants in the U.S. are located in Arizona. See where the others are located and the megawatts of electricity each produces.

Plant	Operating utility	Capacity (net MW[e])¹	Year operative
Palo Verde 3, Ariz.	Arizona Nuclear Power Project	1,317	1988
Palo Verde 2, Ariz.	Arizona Nuclear Power Project	1,314	1986
Palo Verde 1, Ariz.	Arizona Nuclear Power Project	1,311	1986
South Texas 1, Tex.	STP Nuclear Operating Co.	1,280	1988
South Texas 2, Tex.	STP Nuclear Operating Co.	1,280	1989
Grand Gulf 1, Miss.	Entergy Nuclear	1,259	1985
Seabrook 1, N.H.	North Atlantic Energy Service Corp.	1,245	1990
Perry 1, Ohio	FirstEnergy Nuclear Operating Co.	1,245	1987
Comanche Peak 1, Tex.	Texas Utilities Electric Co.	1,209	1993
Callaway, Mo.	AmerenUE	1,190	1984
Susquehanna 1, Pa.	PP&L	1,185	1985
Braidwood 1, Ill.	Exelon	1,178	1988
Waterford 3, La.	Entergy Nuclear	1,176	1985
Salem 1, N.J.	PSEG	1,174	1977
Byron 1, Ill.	Exelon	1,164	1985
Hope Creek 1, N.J.	PSEG	1,161	1986
Wolf Creek 1, Kans.	Wolf Creek Nuclear Operating	1,160	1985
Comanche Peak 2, Tex.	Texas Utilities Electric Co.	1,158	1993
Salem 2, N.J.	PSEG	1,158	1977
Braidwood 2, Ill.	Exelon	1,152	1988
Vogtle 2, Ga.	Southern Nuclear Operating Co.	1,152	1989
Vogtle 1, Ga.	Southern Nuclear Operating Co.	1,150	1989
Sequoyah 1, Tenn.	Tennessee Valley Authority	1,148	1981
Nine Mile Point 2, N.Y.	Constellation Nuclear	1,143	1988
Millstone 3, Conn..	Dominion Generation	1,138	1986
Byron 2, Ill.	Exelon	1,136	1987
Limerick 2, Penn.	Exelon	1,134	1990
Columbia Generating, Wash.	Energy Northwest	1,131	1983
Limerick 1, Penn.	Exelon	1,130	1986
Catawba 1, S.C.	Duke Power Co.	1,129	1985
Catawba 2, S.C.	Duke Power Co.	1,129	1986
Sequoyah 2, Tenn.	Tennessee Valley Authority	1,126	1982
Watts Bar 1, Tenn.	Tennessee Valley Authority	1,123	1996
Diablo Canyon 1, Calif.	PG&E	1,122	1985