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Health and Science > Environment and Nature > Energy

Largest Nuclear Power Plants in the U.S.

Plant	Operating utility	Capacity (net MW[e])¹	Year operative
Palo Verde 2, Ariz.	Arizona Nuclear Power Project	1,335	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	1,263	1985
Palo Verde 3, Ariz.	Arizona Nuclear Power Project	1,247	1988
Palo Verde 1, Ariz.	Arizona Nuclear Power Project	1,243	1986
Perry 1, Ohio	FirstEnergy Nuclear Operating Co.	1,235	1987
Byron 1, Ill.	Exelon	1,194	1985
Braidwood 1, Ill.	Exelon	1,185	1988
Braidwood 2, Ill.	Exelon	1,177	1988
Wolf Creek, Kans.	Wolf Creek Nuclear Operating	1,165	1985
Byron 2, Ill.	Exelon	1,162	1987
Seabrook 1, N.H.	North Atlantic Energy Service Corp.	1,159	1990
Vogtle 1 Ga.	Southern Nuclear Operating Co.	1,152	1987
Sequoyah 1, Tenn.	Tennessee Valley Authority	1,150	1981
Vogtle 2 Ga.	Southern Nuclear Operating Co.	1,149	1989
LaSalle 2	Exelon	1,147	1984
LaSalle 1	Exelon	1,146	1984
Susquehanna 2	PP&L	1,140	1985
Callaway 1, Mo.	AmerenUE	1,137	1984
Nine Mile Point 2, N.Y.	Constellation Nuclear	1,135	1988
Limerick 1, Pa.	Exelon	1,134	1986
Limerick 2, Pa.	Exelon	1,134	1990
Millstone 3, Conn.	Dominion Generation	1,131	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	1,127	1982
Comanche Peak 2, Tex.	Texas Utilities Electric Co.	1,124	1993
Salem 1	PSEG	1,121	1977
Watts Bar 1, Tenn.	Tennessee Valley Authority	1,121	1996
Browns Ferry 2, Tenn.	Tennessee Valley Authority	1,112	1975
Browns Ferry 3, Tenn.	Tennessee Valley Authority	1,112	1977
Peach Bottom 2, Penn.	Exelon	1,112	1974
Peach Bottom 3, Penn.	Exelon	1,112	1974

1. MG[e] = megawatts of electricity.

Source: Department of Energy, Energy Information Administration, November 2004. Web: www.eia.doe.gov/cneaf/nuclear/page/nuc_reactors/operational.xls .

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