Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Galena 3 Geothermal Power Plant | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 82.6 GWh | Jan 2008 | Dec 2024 | Geothermal |
| Louise Solar | National Grid Renewables | Taopi, MN | Midcontinent Independent System Operator, Inc. (MISO) | 82.6 GWh | Nov 2024 | Sep 2025 | Solar |
| High Mesa | High Mesa Energy, LLC | King Hill, ID | Idaho Power Company (IPCO) | 82.5 GWh | Nov 2012 | Sep 2025 | Wind |
| Cornell | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 82.4 GWh | Jun 1976 | Dec 2024 | Water |
| Grahamsville | New York Power Authority | Grahamsville, NY | New York Independent System Operator (NYIS) | 82.3 GWh | Dec 1955 | Dec 2024 | Water |
| Casselman Wind Power Project | Avangrid Power LLC | Garrett, PA | PJM Interconnection, LLC (PJM) | 82.3 GWh | Nov 2007 | Dec 2024 | Wind |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 82.3 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Rock Aetna Power Partners | Northern States Power Co - Minnesota | Woodstock, MN | Midcontinent Independent System Operator, Inc. (MISO) | 82.3 GWh | Nov 2022 | Dec 2024 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| Wheelabrator Gloucester LP | Wheelabrator Environmental Systems | Westville, NJ | PJM Interconnection, LLC (PJM) | 82.0 GWh | Dec 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Munnsville Wind Farm LLC | Big Sky Wind, LLC | Madison, NY | New York Independent System Operator (NYIS) | 82.0 GWh | Sep 2007 | Dec 2024 | Wind |
| Pratt & Whitney | United Technologies | East Hartford, CT | ISO New England (ISNE) | 81.9 GWh | Dec 1991 | Sep 2025 | Natural Gas |
| Blanchard | ALLETE, Inc. | Royalton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 81.8 GWh | Jan 1925 | Dec 2024 | Water |
| Muck Valley Hydroelectric | Brookfield Renewable Trading and Marketing LP | NA, CA | California Independent System Operator (CISO) | 81.8 GWh | Nov 1988 | Dec 2024 | Water |
| Eden Solar LLC | AES Distributed Energy | Ellerbe, NC | Duke Energy Carolinas (DUK) | 81.8 GWh | Nov 2015 | Dec 2024 | Solar |
| Ridgewind | Ridgewind Power Partners LLC | Woodstock, MN | Midcontinent Independent System Operator, Inc. (MISO) | 81.4 GWh | Dec 2010 | Dec 2024 | Wind |
| Ameresco Ox Mountain | AMERESCO Ox Mountain Energy LLC | Half Moon Bay, CA | California Independent System Operator (CISO) | 81.3 GWh | Nov 2008 | Sep 2025 | Landfill Gas |
| Aidlin Geothermal Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 81.3 GWh | Apr 1989 | Dec 2024 | Geothermal |
| BT Signal Ranch | BT Signal Ranch, LLC | Quinlan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 81.3 GWh | Nov 2024 | Sep 2025 | Solar |
| Flying Cloud Power Partners LLC | Avangrid Power LLC | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 GWh | Nov 2003 | Dec 2024 | Wind |
| Ocotillo Windpower | Duke Energy Renewables Services | Forsan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 80.9 GWh | Aug 2008 | Dec 2024 | Wind |
| Voyager Wind IV | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 80.9 GWh | Nov 2018 | Dec 2024 | Wind |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 80.9 GWh | Sep 1960 | Sep 2025 | Natural Gas |
| El Dorado | El Dorado Irrigation District | Pollock Pines, CA | California Independent System Operator (CISO) | 80.9 GWh | Dec 1923 | Dec 2024 | Water |
| Narrows PH | Yuba County Water Agency | Grass Valley, CA | California Independent System Operator (CISO) | 80.8 GWh | Nov 1942 | Dec 2024 | Water |
| Macon Energy Center | City of Macon - (MO) | Macon, MO | Associated Electric Cooperative, Inc. (AECI) | 80.7 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Virginia Line Solar, LLC | Virginia Line Solar, LLC | Manson, NC | Duke Energy Progress East (CPLE) | 80.7 GWh | Nov 2023 | Sep 2025 | Solar |
| Quinebaug Solar | Quinebaug Solar, LLC | Canterbury, CT | ISO New England (ISNE) | 80.6 GWh | Nov 2021 | Sep 2025 | Solar |
| Lost Hills/Blackwell | Southern Power Co | Lost Hills, CA | California Independent System Operator (CISO) | 80.6 GWh | Mar 2015 | Dec 2024 | Solar |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 80.4 GWh | Jul 1994 | Dec 2024 | Water |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.4 GWh | Nov 1938 | Dec 2024 | Water |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 80.3 GWh | Dec 1997 | Sep 2025 | Landfill Gas |
| NRG Rockford I | Rockford Generation LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 80.3 GWh | May 2000 | Dec 2024 | Natural Gas |
| Pavant Solar II LLC | Pavant Solar II LLC | Fillmore, UT | PacifiCorp East (PACE) | 80.3 GWh | Oct 2016 | Dec 2024 | Solar |
| Engineered Carbons Borger Cogen | Orion Engineered Carbons | Borger, TX | Southwest Power Pool (SWPP) | 80.2 GWh | Sep 1982 | Dec 2024 | Other Gas : 99.5% |
| Camino Solar Hybrid | Avangrid Power LLC | Rosamond, CA | California Independent System Operator (CISO) | 80.2 GWh | - | Sep 2025 | Solar |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 80.2 GWh | Dec 1938 | Dec 2024 | Water |
| Port Allen (HI) | Kauai Island Utility Cooperative | Eleele, HI | 80.1 GWh | Dec 1963 | Sep 2025 | Distillate Fuel Oil | |
| Carson Ice-Gen Project | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 80.1 GWh | Sep 1995 | Sep 2025 | Natural Gas : 99.9% |
| Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.1 GWh | Nov 1985 | Sep 2025 | Landfill Gas |
| Pinckneyville | Union Electric Co - (MO) | Pinckneyville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 79.8 GWh | May 2000 | Dec 2024 | Natural Gas |
| Sky Global Power One | Sky Global Power One Pledgor, LLC | Rock Island, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 79.7 GWh | Apr 2016 | Dec 2024 | Natural Gas |
| Waste Management King George LFGTE | WM Renewable Energy LLC | King George, VA | PJM Interconnection, LLC (PJM) | 79.6 GWh | Apr 2010 | Sep 2025 | Landfill Gas |
| Gulf Coast Solar Center II | Arevon Energy, Inc. | Navarre, FL | Southern Company Services, Inc. - Trans (SOCO) | 79.1 GWh | Oct 2017 | Sep 2025 | Solar |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 79.0 GWh | May 1978 | Dec 2024 | Natural Gas |
| Big Bend II Solar | Tampa Electric Co | Apollo Beach, FL | Tampa Electric Company (TEC) | 78.9 GWh | Dec 2021 | Sep 2025 | Solar |
| Agrilectric Power Partners Ltd | Agrilectric Power Partners Ltd | Lake Charles, LA | Midcontinent Independent System Operator, Inc. (MISO) | 78.9 GWh | Jun 1984 | Dec 2024 | Agricultural By-Products : 98.9% Natural Gas : 1.1% |
| Upper Mechanicville | New York State Elec & Gas Corp | Town of Stillwater, NY | New York Independent System Operator (NYIS) | 78.7 GWh | Aug 1983 | Dec 2024 | Water |
| Archer Daniels Midland Peoria | BioUrja Renewables LLC | Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.7 GWh | Dec 1987 | Dec 2024 | Natural Gas |
| Pine Tree Acres WM LFGTE | WM Renewable Energy LLC | Lenox, MI | Midcontinent Independent System Operator, Inc. (MISO) | 78.5 GWh | Feb 2012 | Sep 2025 | Landfill Gas |
| Ford Utilities Center | University of New Mexico | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 78.4 GWh | Feb 2005 | Dec 2024 | Natural Gas |
| Texas City Plant Union Carbide | Union Carbide Corp-Texas City | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 78.4 GWh | Jan 1996 | Sep 2025 | Purchased Steam |
| Salton Sea Power Gen Co - Unit 1 | CalEnergy Operating Corporation | Calipatria, CA | Imperial Irrigation District (IID) | 78.4 GWh | Jun 1982 | Dec 2024 | Geothermal |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 78.4 GWh | Sep 2001 | Dec 2024 | Wind |
| Drop 4 | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 78.2 GWh | Jan 1941 | Dec 2024 | Water |
| Envoy Solar, LLC | Birch Creek Power, LLC | Mexico, MO | Midcontinent Independent System Operator, Inc. (MISO) | 78.2 GWh | - | Sep 2025 | Solar |
| Hazlehurst III | SR Hazlehurst III, LLC | Hazlehurst, GA | Southern Company Services, Inc. - Trans (SOCO) | 78.1 GWh | Nov 2019 | Sep 2025 | Solar |
| Jonesboro City Water & Light Plant | City Water and Light Plant | Jonesboro, AR | Midcontinent Independent System Operator, Inc. (MISO) | 78.0 GWh | Jun 1999 | Dec 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| James River Power Station | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 77.9 GWh | May 1957 | Sep 2025 | Natural Gas : 92.0% Distillate Fuel Oil : 8.0% |
| Glass House Camarillo Cultivation | Glass House Camarillo Cultivation | Camarillo, CA | California Independent System Operator (CISO) | 77.9 GWh | Jul 2012 | Dec 2024 | Natural Gas |
| Grazing Yak Solar | Grazing Yak Solar, LLC | Calhan, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 77.7 GWh | Oct 2019 | Sep 2025 | Solar |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 77.5 GWh | Dec 1947 | Sep 2025 | Natural Gas : 91.4% Distillate Fuel Oil : 8.6% |
| Seville 2 | Duke Energy Renewables Services | Ocotillo Wells, CA | Imperial Irrigation District (IID) | 77.5 GWh | Nov 2015 | Dec 2024 | Solar |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 77.5 GWh | Mar 1988 | Dec 2024 | Water |
| Savannah River Site Biomass Cogen | Ameresco | Aiken, SC | Dominion Energy South Carolina, Inc. (SCEG) | 77.3 GWh | Dec 2011 | Sep 2025 | Wood/Wood Waste Solids : 92.6% Tire-derived Fuels : 7.2% |
| Rolling Thunder Wind Farm Hybrid | AE Power Services LLC | Miller, SD | Southwest Power Pool (SWPP) | 77.2 GWh | Oct 2009 | Dec 2024 | Wind |
| Condon Windpower LLC | ALLETE Clean Energy | Condon, OR | Bonneville Power Administration (BPAT) | 77.0 GWh | Nov 2001 | Dec 2024 | Wind |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 76.9 GWh | Sep 2003 | Sep 2025 | Wind |
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 76.9 GWh | Jul 1922 | Dec 2024 | Water |
| Valencia Energy Facility | Valencia Power LLC | Belen, NM | Public Service Company of New Mexico (PNM) | 76.8 GWh | Apr 2008 | Dec 2024 | Natural Gas |
| Generate Colchester Fuel Cells, LLC | Generate Colchester Fuel Cells, LLC | Colchester, CT | ISO New England (ISNE) | 76.7 GWh | Sep 2021 | Dec 2024 | Natural Gas |
| Pinelawn Power LLC | Pinelawn Power LLC | West Babylon, NY | New York Independent System Operator (NYIS) | 76.6 GWh | Jun 2005 | Dec 2024 | Natural Gas |
| Union Valley | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 76.5 GWh | Sep 1963 | Dec 2024 | Water |
| Iron Gate | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 76.4 GWh | Jan 1962 | Jan 2024 | Water |
| Bennetts Bridge | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 76.3 GWh | Dec 1931 | Dec 2024 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | Dec 2024 | Water |
| Port Comfort Power LLC | Peaker Power, LLC | Point Comfort, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 76.1 GWh | Jun 2017 | Dec 2024 | Natural Gas |
| OCI Alamo 4, LLC | Consolidated Edison Development Inc. | Brackettville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 76.0 GWh | Jul 2014 | Dec 2024 | Solar |
| Suwannee River | Duke Energy Florida, LLC | Live Oak, FL | Duke Energy Florida, Inc. (FPC) | 76.0 GWh | Oct 1953 | Dec 2024 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Gibson Solar | Gibson Solar, LLC | Princeton, IN | Midcontinent Independent System Operator, Inc. (MISO) | 76.0 GWh | - | Sep 2025 | Solar |
| Pouch | New York Power Authority | Staten Island, NY | New York Independent System Operator (NYIS) | 75.9 GWh | Jul 2001 | Dec 2024 | Natural Gas |
| Mountain View III | Avangrid Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 75.7 GWh | Nov 2003 | Dec 2024 | Wind |
| Fillmore County Solar Project | National Grid Renewables | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 75.6 GWh | Nov 2024 | Sep 2025 | Solar |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 75.5 GWh | Nov 2019 | Sep 2025 | Wind |
| Swan Lake | Southeast Alaska Power Agency | Ketchikan, AK | (NA) | 75.5 GWh | May 1984 | Dec 2024 | Water |
| NCSU Cates Cogeneration Plant | NC State University, Energy Systems | Raleigh, NC | Duke Energy Progress East (CPLE) | 75.4 GWh | Jul 2012 | Dec 2024 | Natural Gas : 97.6% Distillate Fuel Oil : 2.4% |
| Berry NMW Cogens | Berry Petroleum Co | Bakersfield, CA | California Independent System Operator (CISO) | 75.4 GWh | Oct 2017 | Dec 2024 | Natural Gas |
| Blue Lake Hydro | City & Borough of Sitka - (AK) | Sitka, AK | 75.4 GWh | May 1961 | Dec 2024 | Water | |
| Fayette Solar | National Grid Renewables | Greenfield, OH | PJM Interconnection, LLC (PJM) | 75.4 GWh | - | Sep 2025 | Solar |
| E J West | Erie Boulevard Hydropower LP | Lake Luzerne, NY | New York Independent System Operator (NYIS) | 75.4 GWh | Dec 1929 | Dec 2024 | Water |
| Earp Solar, LLC | Birch Creek Power, LLC | Monmouth, IL | Midcontinent Independent System Operator, Inc. (MISO) | 75.0 GWh | Mar 2024 | Sep 2025 | Solar |
| Heritage Garden Wind Farm I LLC | DTE Sustainable Generation | Garden, MI | Midcontinent Independent System Operator, Inc. (MISO) | 74.9 GWh | Aug 2012 | Dec 2024 | Wind |
| New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 74.8 GWh | Nov 2012 | Sep 2025 | Wind |
| Whitehorn Solar | Whitehorn Solar, LLC | Gretna, VA | PJM Interconnection, LLC (PJM) | 74.8 GWh | Sep 2021 | Sep 2025 | Solar |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 74.5 GWh | May 1914 | Dec 2024 | Water |
| New York University Central Plant | New York University | New York, NY | New York Independent System Operator (NYIS) | 74.3 GWh | Dec 1983 | Dec 2024 | Natural Gas : 95.9% Distillate Fuel Oil : 4.1% |
| Foster Wheeler Mt Carmel Cogen | Mount Carmel Cogen Inc | Marion Heights, PA | PJM Interconnection, LLC (PJM) | 74.3 GWh | Dec 1989 | Sep 2024 | Waste/Other Coal : 89.5% Natural Gas : 10.5% |
| MMSD Jones Island Wastewater | Milwaukee Metro Sewerage Dist | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 74.1 GWh | Dec 1970 | Sep 2025 | Natural Gas : 79.4% Landfill Gas : 19.3% Distillate Fuel Oil : 1.3% |
| Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 74.0 GWh | Sep 2012 | Dec 2024 | Wind |
| Baconton Power Plant | Baconton Power LLC | Baconton, GA | Southern Company Services, Inc. - Trans (SOCO) | 74.0 GWh | May 2000 | Dec 2024 | Natural Gas |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |