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Geothermal power plants in the United States

62 geothermal power plants across 7 states — capacity, location, and planned additions, from EIA data.

Development pipeline — planned & under construction

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Planned pipeline — new additions by fuel type

Top states by capacity — capacity · plants

California3.3 GW · 37
Nevada1.2 GW · 31
Utah263 MW · 6
Hawaii51 MW · 1
Oregon37 MW · 2
Idaho34 MW · 1
New Mexico19 MW · 1

Largest next additions — planned & under construction

Cape Generating Station
Geothermal · Milford, Utah · Under construction · exp. 2026
159 MW
Fish Lake Geothermal
Geothermal · Dyer, Nevada · Planned · exp. 2027
27 MW
Rodatherm Milford 1
Geothermal · Milford, Utah · Under construction · exp. 2028
2 MW

Largest geothermal plants

Geysers Unit 5-20
Geothermal · Middletown, California · Operating · COD 1971
1,346 MW
Calistoga Power Plant
Geothermal · Middletown, California · Operating · COD 1984
176 MW
Second Imperial Geothermal
Geothermal · Heber, California · Operating · COD 2006
123 MW
McGinness Hills
Geothermal · Austin, Nevada · Operating · COD 2012
116 MW
McGinness Hills 3
Geothermal · Austin, Nevada · Operating · COD 2018
113 MW
Geothermal 1
Geothermal · Middletown, California · Operating · COD 1983
110 MW
Geothermal 2
Geothermal · Middletown, California · Operating · COD 1985
110 MW
Coso Finance Partners
Geothermal · Inyokern, California · Operating · COD 1987
92 MW
Coso Energy Developers
Geothermal · Inyokern, California · Operating · COD 1988
90 MW
Coso Power Developers
Geothermal · Inyokern, California · Operating · COD 1989
90 MW
North Brawley Geothermal Plant
Geothermal · Brawley, California · Operating · COD 2009
80 MW
Sonoma California Geothermal
Geothermal · Middletown, California · Operating · COD 1983
78 MW
Tungsten Mountain
Geothermal · Fallon, Nevada · Operating · COD 2017
75 MW
Dixie Valley
Geothermal · Fallon, Nevada · Operating · COD 1988
71 MW
NGP Blue Mountain I LLC
Geothermal · Winnemucca, Nevada · Operating · COD 2009
64 MW
Ormesa I
Geothermal · Holtville, California · Operating · COD 2003
62 MW
Galena 3 Geothermal Power Plant
Geothermal · Reno, Nevada · Operating · COD 2018
62 MW
Steamboat Hills LP
Geothermal · Reno, Nevada · Operating · COD 2020
59 MW
Patua Acquisition Project, LLC
Geothermal · Hazen, Nevada · Operating · COD 2013
59 MW
Salton Sea Power LLC - Unit 5
Geothermal · Calipatria, California · Operating · COD 2000
58 MW
Brady
Geothermal · Fallon, Nevada · Operating · COD 2002
56 MW
Bottle Rock Power
Geothermal · Cobb, California · Operating · COD 1985
55 MW
John L. Featherstone Plant
Geothermal · Calipatria, California · Operating · COD 2012
55 MW
Salton Sea Power Gen Co - Unit 3
Geothermal · Calipatria, California · Operating · COD 1989
54 MW
Puna Geothermal Venture I
Geothermal · Pahoa, Hawaii · Operating · COD 1992
51 MW

Source: U.S. Energy Information Administration (EIA-860M)