Oil-fired power plants in the USA

Petroleum-fired generators in the United States, mostly back-up, peaking and island supply. Click a state to drill down, or search near a place.

Operating1,039plants

Operating capacity31.0 GWnameplate

Under construction43.8 MW8 plants

Whole pipeline174 MWplanned, approved and building

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Data: U.S. Energy Information Administration, Form EIA-860M (September 2026). Generators of 1 MW and over. Capacity is nameplate, not output.

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Plants

1,042 plants · page 1 of 21

Plant	Capacity	Stage	State	Owner / operator	Year
Oswego Harbor Power	1,804 MW	Operating	NY Oswego	Oswego Harbor Power	1975
Canal	1,165 MW	Operating	MA Barnstable	Canal Generating LLC	1968
William F Wyman Hybrid	846 MW	Operating	ME Cumberland	FPL Energy Wyman LLC	1957
Herbert A Wagner	774 MW	Operating	MD Anne Arundel	H.A. Wagner LLC	1966
Brame Energy Center	704 MW	Operating	LA Rapides	Cleco Power LLC	2010
New Haven Steam	642 MW	Operating	CT New Haven	Generation Bridge II Connecticut, LLC	1975
Kahe	610 MW	Operating	HI Honolulu	Hawaiian Electric Co Inc	1963
Holtsville	567 MW	Operating	NY Suffolk	National Grid Generation LLC	1974
McManus	560 MW	Operating	GA Glynn	Georgia Power Co	1964
Croydon CT Generating Station	546 MW	Operating	PA Bucks	Constellation Power, Inc	1974
Northeast (MO)	540 MW	Operating	MO Jackson	Evergy Metro	1972
Morgan Creek	536 MW	Operating	TX Mitchell	Luminant Generation Company LLC	1988
Intercession City	489 MW	Operating	FL Osceola	Duke Energy Florida, LLC	1974
DeBary	438 MW	Operating	FL Volusia	Duke Energy Florida, LLC	1975
Montville Station	420 MW	Operating	CT New London	Montville Power LLC	1967
Commonwealth Chesapeake	415 MW	Operating	VA Accomack	Commonwealth Chesapeake Co LLC	2000
Newington	414 MW	Operating	NH Rockingham	Granite Shore Power	1974
Waiau	375 MW	Operating	HI Honolulu	Hawaiian Electric Co Inc	1959
Wilson	318 MW	Operating	GA Burke	Georgia Power Co	1972
Kalaeloa Cogen Plant	299 MW	Operating	HI Honolulu	Kalaeloa Partners LP	1989
Germantown	285 MW	Operating	WI Washington	Wisconsin Electric Power Co	1978
Stony Brook	280 MW	Operating	MA Hampden	Massachusetts Mun Wholes Electric Co	1981
Morgantown Generating Plant	260 MW	Operating	MD Charles	Lanyard Power Holdings, LLC	1973
Northside Generating Station	248 MW	Operating	FL Duval	JEA	1974
GenConn Devon LLC	242 MW	Operating	CT New Haven	GenConn Devon LLC	2010
GenConn Middletown LLC	242 MW	Operating	CT Middlesex	GenConn Middletown LLC	2011
Wading River	239 MW	Operating	NY Suffolk	National Grid Generation LLC	1989
Maalaea	230 MW	Operating	HI Maui	Maui Electric Co Ltd	1971
Fisk Street	228 MW	Operating	IL Cook	Midwest Generations EME LLC	1968
R S Nelson	227 MW	Operating	LA Calcasieu	Entergy Louisiana LLC	1959
Devon Station	223 MW	Operating	CT New Haven	Devon Power LLC	1985
Portland (PA)	194 MW	Operating	PA Northampton	Portland Power, LLC	1967
FirstEnergy Bay Shore	187 MW	Operating	OH Lucas	Walleye Power, LLC	1955
Robins	184 MW	Operating	GA Houston	Georgia Power Co	1995
North Pole	181 MW	Operating	AK Fairbanks North Star	Golden Valley Elec Assn Inc	1976
Vienna Operations	181 MW	Operating	MD Dorchester	NRG Vienna Operations Inc	1968
Rosemary Power Station	180 MW	Operating	NC Halifax	Virginia Electric & Power Co	1990
Bayboro	170 MW	Operating	FL Pinellas	Duke Energy Florida, LLC	1973
W H Weatherspoon	163 MW	Operating	NC Robeson	Duke Energy Progress - (NC)	1970
Perryman	159 MW	Operating	MD Harford	Constellation Power Source Generation, LLC	1972
French Island	158 MW	Operating	WI La Crosse	Northern States Power Co - Minnesota	1974
Dynegy Oakland Power Plant	149 MW	Operating	CA Alameda	Dynegy Oakland, LLC	1978
Quindaro	144 MW	Operating	KS Wyandotte	City of Kansas City - (KS)	1974
Exelon Medway LLC	135 MW	Operating	MA Norfolk	Constellation Power, Inc	1970
Spirit Mound	135 MW	Operating	SD Clay	Basin Electric Power Coop	1978
Hutchinson Energy Center	132 MW	Operating	KS Reno	Evergy Kansas Central, Inc	1975
Richmond Generating Station	132 MW	Operating	PA Philadelphia	Constellation Power, Inc	1973
West Lorain	131 MW	Operating	OH Lorain	Vermillion Power LLC	1973
Jones Street	130 MW	Operating	NE Douglas	Omaha Public Power District	1973
Burlington (CO)	129 MW	Operating	CO Kit Carson	Tri-State G & T Assn, Inc	1977

Operating capacity by state

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Largest owners and operators

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Source: U.S. Energy Information Administration, Form EIA-860M, Monthly Update to the Annual Electric Generator Report, September 2026. Includes generators of 1 MW and over at plants connected to the grid. Planned dates are developers' targets reported to EIA and often move. US EV charging map