Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Wrightsville Hydro Plant | Washington Electric Coop - (VT) | Montpelier, VT | ISO New England (ISNE) | 1.7 GWh | Aug 1985 | Nov 2024 | Water |
| Basalt | City of Aspen- (CO) | Aspen, CO | Public Service Company of Colorado (PSCO) | 18.8 GWh | Aug 1985 | Dec 2024 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| WWTP Power Generation Station | East Bay Municipal Util Dist | Oakland, CA | California Independent System Operator (CISO) | 28.4 GWh | Jul 1985 | Sep 2025 | Other Biomass Gas : 98.8% Distillate Fuel Oil : 1.2% |
| Valley Falls Hydroelectric Facility | Valley Falls Associates | Valley Falls, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Jul 1985 | Dec 2024 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2024 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 27.6 GWh | Jul 1985 | Oct 2024 | Water |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 226.1 GWh | Jul 1985 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Clifton Dam 3 Power Station | Converse Energy Inc | Converse, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jul 1985 | Dec 2024 | Water |
| Kern River Cogeneration | Kern River Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 154.9 GWh | Jun 1985 | Sep 2025 | Natural Gas |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.3 GWh | Jun 1985 | Dec 2024 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 2.7 GWh | Jun 1985 | Jul 2024 | Water |
| Grand Gulf | System Energy Resources, Inc | Port Gibson, MS | Midcontinent Independent System Operator, Inc. (MISO) | 11.4 TWh | Jun 1985 | Sep 2025 | Nuclear |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Jun 1985 | Dec 2024 | Water |
| Dolgeville Hydro | EONY Generation Limited | Dolgeville, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Jun 1985 | Dec 2024 | Water |
| Geismar | BASF Corporation | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 514.1 GWh | Jun 1985 | Dec 2024 | Natural Gas : 63.1% Other Gas : 36.9% |
| Catawba | Duke Energy Carolinas, LLC | York, SC | Duke Energy Carolinas (DUK) | 18.6 TWh | May 1985 | Sep 2025 | Nuclear |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.2 TWh | May 1985 | Sep 2025 | Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.5% |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 245.2 GWh | May 1985 | Sep 2025 | Natural Gas |
| Gas Utilization Facility | City of San Diego | San Diego, CA | California Independent System Operator (CISO) | 30.7 GWh | May 1985 | Sep 2025 | Other Biomass Gas |
| McKay Bay Facility | City of Tampa | Tampa, FL | Tampa Electric Company (TEC) | 133.4 GWh | May 1985 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.6 GWh | May 1985 | Sep 2025 | Water |
| Heber Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 384.9 GWh | May 1985 | Dec 2024 | Geothermal |
| Wellesley College Central Utility Plant | Wellesley College | Wellesley, MA | ISO New England (ISNE) | 889.0 MWh | May 1985 | Dec 2024 | Natural Gas |
| Red Mountain | Metropolitan Water District of S CA | Fallbrook, CA | California Independent System Operator (CISO) | 34.3 GWh | May 1985 | Oct 2024 | Water |
| Jones Fork | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 8.6 GWh | May 1985 | Dec 2024 | Water |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 137.0 MWh | Apr 1985 | Aug 2025 | Natural Gas |
| Municipal Cogen Plant | Palm Springs City of | Palm Springs, CA | California Independent System Operator (CISO) | 6.5 GWh | Apr 1985 | Sep 2025 | Natural Gas |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 233.1 GWh | Apr 1985 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Formosa Plastics | Formosa Plastics Corp | Baton Rouge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 402.4 GWh | Apr 1985 | Dec 2024 | Natural Gas |
| Diablo Canyon | Pacific Gas & Electric Co. | Avila Beach, CA | California Independent System Operator (CISO) | 18.5 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Energy Center Dover | Cartier Energy, LLC | Dover, DE | PJM Interconnection, LLC (PJM) | 114.3 GWh | Apr 1985 | Sep 2025 | Natural Gas : 99.6% |
| Foothills Hydro Plant | Denver City & County-Foothills | Littleton, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.4 GWh | Apr 1985 | Oct 2024 | Water |
| Metro Wastewater Reclamation District | ENGIE Denver Metro LLC | Denver, CO | Public Service Company of Colorado (PSCO) | 37.0 GWh | Mar 1985 | Sep 2025 | Other Biomass Gas |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 59.8 GWh | Mar 1985 | Dec 2024 | Water |
| Missouri River Wastewater Treatment | City of Omaha | Omaha, NE | Southwest Power Pool (SWPP) | 10.8 GWh | Mar 1985 | Sep 2025 | Other Biomass Gas : 98.1% Natural Gas : 1.9% |
| Sartell Dam | Eagle Creek Renewable Energy, LLC | Sartell, MN | Midcontinent Independent System Operator, Inc. (MISO) | 29.1 GWh | Feb 1985 | Dec 2024 | Water |
| Collins Facility | Relevate Power Management LLC | Wilbraham, MA | ISO New England (ISNE) | 6.8 GWh | Feb 1985 | Dec 2023 | Water |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | South Carolina Public Service Authority (SC) | 258.6 GWh | Feb 1985 | Dec 2024 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 4.8 GWh | Feb 1985 | Oct 2024 | Water |
| Borger Plant | Sid Richardson Carbon Ltd | Borger, TX | Southwest Power Pool (SWPP) | 46.6 GWh | Jan 1985 | Sep 2024 | Blast Furnace Gas : 78.3% Natural Gas : 21.7% |
| Packaging Corp of America | Packaging Corp of America | Counce, TN | Tennessee Valley Authority (TVA) | 432.2 GWh | Jan 1985 | Sep 2025 | Black Liquor : 59.2% Wood/Wood Waste Solids : 22.3% Natural Gas : 18.4% |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1985 | Jul 2024 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 4.8 GWh | Jan 1985 | Sep 2024 | Water |
| Sacramento Municipal Util Dist | South Sutter Water District | Sacramento, CA | California Independent System Operator (CISO) | 15.9 GWh | Jan 1985 | Mar 2024 | Water |
| Scott Flat | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 4.4 GWh | Jan 1985 | Oct 2024 | Water |
| Lakefield Utilities | City of Lakefield - (MN) | Lakefield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | Jan 1985 | Dec 2024 | Distillate Fuel Oil |
| Richard B Russell | USCE-Savannah District | Elberton, GA | Southeastern Power Administration (SEPA) | 290.0 GWh | Dec 1984 | Sep 2025 | Water |
| Upper Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 6.0 GWh | Dec 1984 | Dec 2024 | Water |
| Karen Avenue Wind Farm | San Gorgonio Farms Inc | North Palm Springs, CA | California Independent System Operator (CISO) | 23.4 GWh | Dec 1984 | Dec 2024 | Wind |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 27.7 GWh | Dec 1984 | Sep 2025 | Water |
| San Antonio Regional Hospital | San Antonio Regional Hospital | Upland, CA | California Independent System Operator (CISO) | 10.2 GWh | Dec 1984 | Dec 2024 | Natural Gas |
| 85 A | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 71.2 GWh | Dec 1984 | Dec 2024 | Wind |
| 85 B | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 97.6 GWh | Dec 1984 | Dec 2024 | Wind |
| Opal Springs Hydro | Deschutes Valley Water District | Culver, OR | PacifiCorp West (PACW) | 29.4 GWh | Dec 1984 | Dec 2024 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 398.2 GWh | Dec 1984 | Oct 2024 | Water |
| Sunray 2 | Sunray Energy 2, LLC | Daggett, CA | California Independent System Operator (CISO) | 57.7 GWh | Nov 1984 | Dec 2024 | Solar |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 59.6 GWh | Nov 1984 | Dec 2024 | Geothermal |
| San Jose Cogeneration | San Jose State University Fclts Dev &Ops | San Jose, CA | California Independent System Operator (CISO) | 34.5 GWh | Nov 1984 | Sep 2025 | Natural Gas |
| Cameron Ridge LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 144.0 GWh | Nov 1984 | Dec 2024 | Wind |
| Williams Ignacio Natural Gas Plant | Harvest Midstream Co | Durango, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 46.5 GWh | Nov 1984 | Sep 2025 | Waste Heat |
| PCS Phosphate | PCS Phosphate | Aurora, NC | Duke Energy Progress East (CPLE) | 191.1 GWh | Nov 1984 | Sep 2025 | Waste Heat |
| Fort Miller Hydroelectric Facility | Fort Miller Associates | Northumberland, NY | New York Independent System Operator (NYIS) | 14.8 GWh | Nov 1984 | Dec 2024 | Water |
| Falls Creek | Eagle Creek Renewable Energy, LLC | Cascadia, OR | PacifiCorp West (PACW) | 15.5 GWh | Nov 1984 | Dec 2024 | Water |
| Naval Submarine Base Kings Bay | Kings Bay Naval Base | Kings Bay, GA | Southern Company Services, Inc. - Trans (SOCO) | 756.5 MWh | Nov 1984 | Sep 2025 | Distillate Fuel Oil |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 3.5 GWh | Nov 1984 | Dec 2024 | Water |
| Callaway | Union Electric Co - (MO) | Fulton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 7.7 TWh | Nov 1984 | Sep 2025 | Nuclear |
| Rockport | Indiana Michigan Power Co | Rockport, IN | PJM Interconnection, LLC (PJM) | 9.1 TWh | Nov 1984 | Sep 2025 | Subbituminous Coal : 97.4% Bituminous Coal : 2.2% |
| Tehachapi Wind Resource I | CalWind Resources Inc | Tehachapi, CA | California Independent System Operator (CISO) | 14.1 GWh | Nov 1984 | Dec 2024 | Wind |
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 8.9 GWh | Nov 1984 | Dec 2024 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| Bayou Cogen Plant | Air Liquide Large Industries U S LP | Pasadena, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.4 TWh | Nov 1984 | Sep 2025 | Natural Gas : 91.4% Other Gas : 8.6% |
| Salmon Creek 1 | Alaska Electric Light & Power Co. | Juneau, AK | 30.2 GWh | Nov 1984 | Dec 2024 | Water | |
| Terror Lake Microgrid | Kodiak Electric Assn Inc | Kodiak, AK | 134.1 GWh | Nov 1984 | Dec 2024 | Water | |
| Columbia Generating Station | Energy Northwest | Richland, WA | Bonneville Power Administration (BPAT) | 7.7 TWh | Nov 1984 | Sep 2025 | Nuclear |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 48.0 GWh | Oct 1984 | Dec 2024 | Water |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 295.2 GWh | Oct 1984 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 1.4 GWh | Oct 1984 | Dec 2024 | Water |
| Shungnak | Alaska Village Elec Coop, Inc | Shungnak, AK | 1.5 GWh | Oct 1984 | Dec 2024 | Distillate Fuel Oil | |
| Clarence Cannon | USCE-St Louis District | Monroe City, MO | Associated Electric Cooperative, Inc. (AECI) | 94.1 GWh | Oct 1984 | Sep 2025 | Water |
| Keahole | Hawaii Electric Light Co Inc | Kailua Kona, HI | 331.2 GWh | Oct 1984 | Sep 2025 | Distillate Fuel Oil | |
| Mars Wrigley Confectionery US, LLC | Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 41.7 GWh | Sep 1984 | Dec 2024 | Natural Gas |
| Procter & Gamble Mehoopany Mill | Procter & Gamble Ppr Prdts Co | Mehoopany, PA | PJM Interconnection, LLC (PJM) | 612.1 GWh | Sep 1984 | Dec 2024 | Natural Gas |
| Wheelabrator Westchester | Wheelabrator Environmental Systems | Peekskill, NY | New York Independent System Operator (NYIS) | 384.0 GWh | Sep 1984 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Sagamore Plant Cogeneration | Tate & Lyle Ingredients Americas Inc | Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 17.0 GWh | Sep 1984 | Sep 2025 | Natural Gas |
| Drop 1 | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 7.8 GWh | Sep 1984 | Dec 2024 | Water |
| Orca | Cordova Electric Coop, Inc | Cordova, AK | 4.2 GWh | Sep 1984 | Dec 2024 | Distillate Fuel Oil | |
| East Highline | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 2.9 GWh | Aug 1984 | Dec 2024 | Water |
| Hydro Plant No 3 | City of Ephraim - (UT) | east of Ephraim, UT | PacifiCorp East (PACE) | 4.6 GWh | Aug 1984 | Dec 2024 | Water |
| Rochester Hydro | Rochester Public Utilities | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Aug 1984 | Dec 2024 | Water |
| Hewittville Hydroelectric | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Aug 1984 | Dec 2024 | Water |
| D B Wilson | Big Rivers Electric Corp | Centertown, KY | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 TWh | Aug 1984 | Sep 2025 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
| Enterprise Products Operating | Enterprise Products Optg LP | Mont Belvieu, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 154.7 GWh | Aug 1984 | Dec 2024 | Natural Gas |
| Kiana | Alaska Village Elec Coop, Inc | Kiana, AK | 1.7 GWh | Jun 1984 | Dec 2024 | Distillate Fuel Oil | |
| Antelope Valley | Basin Electric Power Coop | Beulah, ND | Southwest Power Pool (SWPP) | 5.9 TWh | Jun 1984 | Sep 2025 | Lignite Coal : 99.4% Natural Gas : 0.6% |
| CF Industries Yazoo City Complex | CF Industries Nitrogen LLC | Yazoo City, MS | Midcontinent Independent System Operator, Inc. (MISO) | 152.8 GWh | Jun 1984 | Sep 2025 | Natural Gas |
| Leaf River Cellulose LLC | Leaf River Cellulose LLC | New Augusta, MS | Southern Company Services, Inc. - Trans (SOCO) | 415.5 GWh | Jun 1984 | Sep 2025 | Black Liquor : 80.6% Wood/Wood Waste Solids : 15.4% Natural Gas : 4.0% |
| 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% |
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 |