Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Byron Generating Station | Constellation Nuclear | Byron, IL | PJM Interconnection, LLC (PJM) | 19.9 TWh | Aug 1985 | Oct 2025 | Nuclear |
| 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 |
| WWTP Power Generation Station | East Bay Municipal Util Dist | Oakland, CA | California Independent System Operator (CISO) | 28.8 GWh | Jul 1985 | Oct 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 |
| 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% |
| 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) | 11.3 TWh | Jun 1985 | Oct 2025 | Nuclear |
| Catawba | Duke Energy Carolinas, LLC | York, SC | Duke Energy Carolinas (DUK) | 19.4 TWh | May 1985 | Oct 2025 | Nuclear |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | Oct 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 | Oct 2025 | Natural Gas |
| Gas Utilization Facility | City of San Diego | San Diego, CA | California Independent System Operator (CISO) | 30.8 GWh | May 1985 | Oct 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) | 9.0 GWh | May 1985 | Oct 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) | 6.1 GWh | Apr 1985 | Oct 2025 | Natural Gas |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 238.0 GWh | Apr 1985 | Oct 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) | 17.8 TWh | Apr 1985 | Oct 2025 | Nuclear |
| Energy Center Dover | Cartier Energy, LLC | Dover, DE | PJM Interconnection, LLC (PJM) | 95.4 GWh | Apr 1985 | Oct 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) | 36.5 GWh | Mar 1985 | Oct 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) | 10.2 GWh | Mar 1985 | Oct 2025 | Other Biomass Gas : 98.1% Natural Gas : 1.9% |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 4.8 GWh | Feb 1985 | Oct 2024 | 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 |
| 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 |
| 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) | 432.0 GWh | Jan 1985 | Oct 2025 | Black Liquor : 58.9% Wood/Wood Waste Solids : 22.2% Natural Gas : 18.8% |
| 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) | 268.2 GWh | Dec 1984 | Oct 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) | 29.3 GWh | Dec 1984 | Oct 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 |
| 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 | Oct 2025 | Natural Gas : 91.2% Other Gas : 8.8% |
| 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) | 34.7 GWh | Nov 1984 | Oct 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) | 46.6 GWh | Nov 1984 | Oct 2025 | Waste Heat |
| PCS Phosphate | PCS Phosphate | Aurora, NC | Duke Energy Progress East (CPLE) | 193.9 GWh | Nov 1984 | Oct 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) | 730.5 MWh | Nov 1984 | Oct 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 | Oct 2025 | Nuclear |
| Rockport | Indiana Michigan Power Co | Rockport, IN | PJM Interconnection, LLC (PJM) | 10.0 TWh | Nov 1984 | Oct 2025 | Subbituminous Coal : 97.5% Bituminous Coal : 2.1% |
| 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 | Oct 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) | 298.6 GWh | Oct 1984 | Oct 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Mesa Wind Power LLC | Brookfield Renewable Trading and Marketing LP | North Palm Springs, CA | California Independent System Operator (CISO) | 7.7 GWh | Oct 1984 | Oct 2025 | Wind |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 1.4 GWh | Oct 1984 | Dec 2024 | Water |
| Clarence Cannon | USCE-St Louis District | Monroe City, MO | Associated Electric Cooperative, Inc. (AECI) | 94.4 GWh | Oct 1984 | Oct 2025 | Water |
| Keahole | Hawaii Electric Light Co Inc | Kailua Kona, HI | 325.3 GWh | Oct 1984 | Oct 2025 | Distillate Fuel Oil | |
| Shungnak | Alaska Village Elec Coop, Inc | Shungnak, AK | 1.5 GWh | Oct 1984 | Dec 2024 | Distillate Fuel Oil | |
| 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 | |
| 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) | 381.2 GWh | Sep 1984 | Oct 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) | 18.5 GWh | Sep 1984 | Oct 2025 | Natural Gas |
| 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 |
| 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) | 2.4 TWh | Aug 1984 | Oct 2025 | Bituminous Coal : 99.3% Distillate Fuel Oil : 0.7% |
| 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 |
| Blundell | PacifiCorp | Milford, UT | PacifiCorp East (PACE) | 272.5 GWh | Jun 1984 | Dec 2024 | Geothermal |
| 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 | Oct 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) | 153.3 GWh | Jun 1984 | Oct 2025 | Natural Gas |
Summary of Power Plants By State
Figures are based on October 2025 generation numbers.| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,041.22 GWh |
| Alaska | # 49 | 144 | 484.88 GWh |
| Arizona | # 11 | 184 | 9,400.73 GWh |
| Arkansas | # 24 | 116 | 5,068.08 GWh |
| California | # 4 | 1,734 | 16,078.58 GWh |
| Colorado | # 30 | 302 | 4,272.03 GWh |
| Connecticut | # 38 | 166 | 3,176.41 GWh |
| Delaware | # 48 | 33 | 521.87 GWh |
| District of Columbia | # 51 | 16 | 15.93 GWh |
| Florida | # 2 | 321 | 22,593.36 GWh |
| Georgia | # 6 | 262 | 11,885.65 GWh |
| Hawaii | # 47 | 73 | 845.96 GWh |
| Idaho | # 44 | 147 | 1,448.54 GWh |
| Illinois | # 5 | 382 | 15,897.55 GWh |
| Indiana | # 12 | 211 | 9,138.69 GWh |
| Iowa | # 18 | 292 | 6,552.01 GWh |
| Kansas | # 31 | 187 | 4,138.18 GWh |
| Kentucky | # 23 | 60 | 5,089.89 GWh |
| Louisiana | # 14 | 86 | 8,618.27 GWh |
| Maine | # 45 | 215 | 1,114.12 GWh |
| Maryland | # 35 | 203 | 3,540.16 GWh |
| Massachusetts | # 41 | 648 | 1,963.73 GWh |
| Michigan | # 9 | 272 | 10,045.59 GWh |
| Minnesota | # 27 | 765 | 4,687.69 GWh |
| Mississippi | # 20 | 57 | 6,085.50 GWh |
| Missouri | # 21 | 127 | 5,515.65 GWh |
| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,455.83 GWh |
| Nebraska | # 36 | 129 | 3,412.31 GWh |
| Nevada | # 33 | 114 | 3,578.95 GWh |
| New Hampshire | # 43 | 60 | 1,661.03 GWh |
| New Jersey | # 25 | 393 | 4,903.52 GWh |
| New Mexico | # 37 | 143 | 3,370.59 GWh |
| New York | # 8 | 956 | 10,108.60 GWh |
| North Carolina | # 13 | 906 | 9,082.37 GWh |
| North Dakota | # 34 | 60 | 3,554.85 GWh |
| Ohio | # 10 | 197 | 9,920.42 GWh |
| Oklahoma | # 17 | 142 | 7,167.46 GWh |
| Oregon | # 26 | 275 | 4,755.34 GWh |
| Pennsylvania | # 3 | 256 | 16,669.60 GWh |
| Rhode Island | # 46 | 100 | 886.30 GWh |
| South Carolina | # 15 | 208 | 8,061.53 GWh |
| South Dakota | # 42 | 52 | 1,892.35 GWh |
| Tennessee | # 22 | 88 | 5,198.50 GWh |
| Texas | # 1 | 947 | 48,837.92 GWh |
| Utah | # 39 | 125 | 3,044.05 GWh |
| Vermont | # 50 | 117 | 151.45 GWh |
| Virginia | # 19 | 239 | 6,515.03 GWh |
| Washington | # 16 | 137 | 7,971.98 GWh |
| West Virginia | # 29 | 39 | 4,608.16 GWh |
| Wisconsin | # 28 | 250 | 4,687.23 GWh |
| Wyoming | # 32 | 70 | 3,770.47 GWh |