Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Oswego Falls West | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Dec 1913 | Dec 2024 | Water |
| Fleish | Truckee Meadows Water Authority | Fleish, NV | Nevada Power Company (NEVP) | 20.7 GWh | Dec 1913 | Apr 2025 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 5.6 GWh | Dec 1913 | Dec 2024 | Water |
| Diamond Island Plant | Central Rivers Power US, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Dec 1913 | Dec 2024 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 133.5 GWh | Dec 1913 | Dec 2024 | Water |
| Big Creek 2 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 355.2 GWh | Nov 1913 | Dec 2024 | Water |
| Drum 1 | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 46.4 GWh | Oct 1913 | Oct 2024 | Water |
| Big Creek 1 | Southern California Edison Co | Big Creek, CA | California Independent System Operator (CISO) | 405.3 GWh | Oct 1913 | Dec 2024 | Water |
| Ocoee 2 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 86.7 GWh | Sep 1913 | Dec 2024 | Water |
| Tallulah Falls | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 72.0 GWh | Aug 1913 | Dec 2024 | Water |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 888.3 GWh | Jul 1913 | Dec 2024 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 13.5 GWh | Jul 1913 | Dec 2024 | Water |
| Bend | PacifiCorp | Bend, OR | PacifiCorp West (PACW) | 1.1 GWh | Jun 1913 | Dec 2024 | Water |
| Bishop Creek 3 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 20.3 GWh | May 1913 | Dec 2024 | Water |
| Bishop Creek 6 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 10.4 GWh | Feb 1913 | Dec 2024 | Water |
| Elkhart | Indiana Michigan Power Co | Elkhart, IN | PJM Interconnection, LLC (PJM) | 13.0 GWh | Dec 1912 | Dec 2024 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 7.0 GWh | Dec 1912 | Dec 2024 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 17.0 GWh | Dec 1912 | Dec 2024 | Water |
| Loud | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.7 GWh | Dec 1912 | Dec 2024 | Water |
| Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 GWh | Dec 1912 | Dec 2024 | Water |
| Sylvan | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Dec 1912 | Dec 2024 | Water |
| Chasm | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 27.4 GWh | Dec 1912 | Dec 2024 | Water |
| Taylorville | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 22.3 GWh | Dec 1912 | Dec 2024 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | PJM Interconnection, LLC (PJM) | 8.6 GWh | Dec 1912 | Dec 2024 | Water |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 39.8 GWh | Dec 1912 | Apr 2025 | Water |
| Wilbur | Tennessee Valley Authority | Elizabethon, TN | Tennessee Valley Authority (TVA) | 14.5 GWh | Nov 1912 | Dec 2024 | Water |
| LaGrande | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 297.3 GWh | Oct 1912 | Dec 2024 | Water |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.9 GWh | Sep 1912 | Dec 2024 | Water |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 54.2 GWh | Jul 1912 | Dec 2023 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
| Stairs | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 3.2 GWh | Jun 1912 | Dec 2024 | Water |
| Blewett | Duke Energy Progress - (NC) | Lilesville, NC | Duke Energy Progress East (CPLE) | 120.6 GWh | May 1912 | Dec 2024 | Water : 99.8% |
| Five Channels | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 23.2 GWh | Dec 1911 | Dec 2024 | Water |
| Inghams | Erie Boulevard Hydropower LP | Little Falls, NY | New York Independent System Operator (NYIS) | 27.0 GWh | Dec 1911 | Dec 2024 | Water |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 22.5 GWh | Dec 1911 | Dec 2024 | Water |
| Prospect 1 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 2.2 GWh | Dec 1911 | Jun 2024 | Water |
| Ocoee 1 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 69.2 GWh | Dec 1911 | Dec 2024 | Water |
| Buck Hydro | Appalachian Power Co | Ivanhoe, VA | PJM Interconnection, LLC (PJM) | 31.6 GWh | Dec 1911 | Sep 2024 | Water |
| Byllesby 2 | Appalachian Power Co | Ivanhoe, VA | PJM Interconnection, LLC (PJM) | 22.8 GWh | Dec 1911 | Sep 2024 | Water |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 8.0 GWh | Dec 1911 | Dec 2024 | Water |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 14.1 GWh | Dec 1911 | Dec 2024 | Water |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.1 GWh | Dec 1911 | Dec 2024 | Water |
| Georgia-Pacific Corp - Nekoosa Mill | Domtar Industries Inc | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 193.6 GWh | Dec 1911 | Apr 2025 | Black Liquor : 43.2% Natural Gas : 42.8% Water : 14.1% |
| Lundy | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 7.3 GWh | Nov 1911 | Dec 2024 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 134.4 GWh | Oct 1911 | Dec 2024 | Water |
| River Mill | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 99.1 GWh | Oct 1911 | Dec 2024 | Water |
| Hydro Plant | City of Sturgis - (MI) | Three Rivers, MI | PJM Interconnection, LLC (PJM) | 5.6 GWh | Aug 1911 | Dec 2024 | Water |
| Lloyd Shoals | Georgia Power Co | Jackson, GA | Southern Company Services, Inc. - Trans (SOCO) | 66.6 GWh | Jan 1911 | Dec 2024 | Water |
| Cooke | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 24.9 GWh | Dec 1910 | Dec 2024 | Water |
| Ephratah | Erie Boulevard Hydropower LP | Saint Johnsville, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Dec 1910 | Dec 2024 | Water |
| Franklin (NY) | Erie Boulevard Hydropower LP | Franklin, NY | New York Independent System Operator (NYIS) | 12.1 GWh | Dec 1910 | Dec 2024 | Water |
| Verdi | Truckee Meadows Water Authority | Verdi, NV | Nevada Power Company (NEVP) | 18.9 GWh | Dec 1910 | Apr 2025 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 866.1 GWh | Sep 1910 | Dec 2024 | Water |
| A G Wishon | Pacific Gas & Electric Co. | North Fork, CA | California Independent System Operator (CISO) | 21.6 GWh | Aug 1910 | Dec 2024 | Water |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Jul 1910 | Dec 2024 | Water |
| Snake Creek | Heber Light & Power Company | Midway, UT | PacifiCorp East (PACE) | 5.6 GWh | Jun 1910 | Dec 2024 | Water |
| Little Falls (WA) | Avista Corp | Ford, WA | Avista Corporation (AVA) | 185.3 GWh | Jun 1910 | Dec 2024 | Water |
| Big Fork | PacifiCorp | Big Fork, MT | PacifiCorp East (PACE) | 21.3 GWh | Jun 1910 | Dec 2024 | Water |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 18.3 GWh | May 1910 | Dec 2024 | Water |
| 99 Islands | Duke Energy Carolinas, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 36.5 GWh | Apr 1910 | Dec 2024 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 33.0 GWh | Dec 1909 | Dec 2024 | Water |
| Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 34.3 GWh | Dec 1909 | Dec 2024 | Water |
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 104.9 GWh | Dec 1909 | Dec 2024 | Water |
| International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 17.3 GWh | Dec 1909 | Dec 2024 | Water |
| Domtar Paper Company Rothschild | Domtar Paper Company Rothschild | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1909 | May 2024 | Water |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.3 GWh | Nov 1909 | Dec 2024 | Water |
| Vernon Dam | Great River Hydro, LLC | Vernon, VT | ISO New England (ISNE) | 159.7 GWh | Jul 1909 | Dec 2024 | Water |
| Skagway | Alaska Power and Telephone Co | Skagway, AK | 4.3 GWh | Jun 1909 | Dec 2024 | Water : 56.0% Distillate Fuel Oil : 44.0% | |
| Shoshone (CO) | Public Service Co of Colorado | Glenwood Springs, CO | Public Service Company of Colorado (PSCO) | 27.9 GWh | May 1909 | Dec 2024 | Water |
| Johnsonville Dam | Erie Boulevard Hydropower LP | Johnsonville, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Dec 1908 | Dec 2024 | Water |
| Dam No. 4 Hydro Station | Eagle Creek Renewable Energy, LLC | Shepherdstown, WV | PJM Interconnection, LLC (PJM) | 8.8 GWh | Dec 1908 | Dec 2024 | Water |
| Bishop Creek 2 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 16.4 GWh | Oct 1908 | Dec 2024 | Water |
| Cottonwood | Los Angeles Department of Water & Power | Lone Pine, CA | Los Angeles Department of Water and Power (LDWP) | 2.1 GWh | Oct 1908 | Dec 2024 | Water |
| Nine Mile | Avista Corp | Nine Mile, WA | Avista Corporation (AVA) | 125.7 GWh | Jun 1908 | Dec 2024 | Water |
| Salida | Public Service Co of Colorado | Salida, CO | Public Service Company of Colorado (PSCO) | 1.0 GWh | May 1908 | Dec 2024 | Water |
| Gaston Shoals | Northbrook Carolina Hydro II, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 15.9 GWh | Apr 1908 | Sep 2024 | Water |
| Schaghticoke | Erie Boulevard Hydropower LP | Schaghticoke, NY | New York Independent System Operator (NYIS) | 59.0 GWh | Dec 1907 | Dec 2024 | Water |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 71.3 GWh | Jul 1907 | Dec 2024 | Water |
| Upper Beaver | Beaver City Corporation | Beaver, UT | PacifiCorp East (PACE) | 10.1 GWh | Jul 1907 | Dec 2024 | Water |
| Kern River 1 | Southern California Edison Co | Bakersfield, CA | California Independent System Operator (CISO) | 192.1 GWh | Apr 1907 | Dec 2024 | Water |
| Faraday | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 119.9 GWh | Jan 1907 | Dec 2024 | Water |
| Cavendish | Green Mountain Power Corp | Cavendish, VT | ISO New England (ISNE) | 830.0 MWh | Jan 1907 | Dec 2024 | Water |
| Croton | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.1 GWh | Dec 1906 | Dec 2024 | Water |
| Webber | Consumers Energy Co - (MI) | Lyons, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.4 GWh | Dec 1906 | Dec 2024 | Water |
| Thomson | ALLETE, Inc. | Carlton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 290.5 GWh | Dec 1906 | Dec 2024 | Water |
| White River (WI) | Northern States Power Co - Minnesota | Ashland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Dec 1906 | Dec 2024 | Water |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 20.1 GWh | Oct 1906 | Dec 2024 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | Dec 2024 | Water |
| Gold Creek | Alaska Electric Light & Power Co. | Juneau, AK | 5.4 GWh | Aug 1906 | Dec 2024 | Water : 99.9% | |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 69.1 GWh | Jun 1906 | Dec 2024 | Water |
| Ames Hydro | Public Service Co of Colorado | Ophir, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.6 GWh | May 1906 | Mar 2024 | Water |
| Woodland Pulp, LLC | Woodland Pulp LLC | Baileyville, ME | (NBSO) | 366.6 GWh | May 1906 | Dec 2023 | Black Liquor : 41.9% Natural Gas : 33.3% Water : 17.5% Wood/Wood Waste Solids : 7.3% |
| Wainiha Hydro | BBCP Kauai Operating LLC | Hanalei, HI | 20.9 GWh | Dec 1905 | Apr 2025 | Water | |
| Taftville | FirstLight Power Resources Services LLC | Taftville, CT | ISO New England (ISNE) | 2.9 GWh | Dec 1905 | Dec 2024 | Water |
| Riverside Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 38.4 GWh | Dec 1905 | Dec 2024 | Water |
| Little Falls (MN) | ALLETE, Inc. | Little Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 31.6 GWh | Dec 1905 | Dec 2024 | Water |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 86.7 GWh | Nov 1905 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,243.20 GWh |
| Alaska | # 48 | 142 | 476.79 GWh |
| Arizona | # 15 | 173 | 7,447.02 GWh |
| Arkansas | # 31 | 99 | 3,937.58 GWh |
| California | # 4 | 1,664 | 15,684.45 GWh |
| Colorado | # 28 | 290 | 4,479.29 GWh |
| Connecticut | # 37 | 162 | 2,832.47 GWh |
| Delaware | # 49 | 32 | 450.59 GWh |
| District of Columbia | # 51 | 16 | 13.07 GWh |
| Florida | # 2 | 317 | 20,430.69 GWh |
| Georgia | # 6 | 248 | 11,378.75 GWh |
| Hawaii | # 46 | 68 | 750.53 GWh |
| Idaho | # 44 | 145 | 1,489.98 GWh |
| Illinois | # 5 | 358 | 14,828.23 GWh |
| Indiana | # 14 | 208 | 7,809.31 GWh |
| Iowa | # 19 | 294 | 6,020.16 GWh |
| Kansas | # 21 | 180 | 5,162.37 GWh |
| Kentucky | # 25 | 57 | 4,785.23 GWh |
| Louisiana | # 16 | 83 | 7,414.75 GWh |
| Maine | # 45 | 208 | 1,052.11 GWh |
| Maryland | # 36 | 196 | 3,016.71 GWh |
| Massachusetts | # 43 | 623 | 1,491.61 GWh |
| Michigan | # 9 | 269 | 9,486.98 GWh |
| Minnesota | # 27 | 765 | 4,502.46 GWh |
| Mississippi | # 20 | 56 | 5,727.48 GWh |
| Missouri | # 23 | 120 | 5,119.33 GWh |
| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,029.46 GWh |
| Nebraska | # 38 | 127 | 2,575.70 GWh |
| Nevada | # 33 | 110 | 3,434.99 GWh |
| New Hampshire | # 42 | 56 | 1,516.23 GWh |
| New Jersey | # 22 | 385 | 5,160.42 GWh |
| New Mexico | # 32 | 139 | 3,447.34 GWh |
| New York | # 8 | 930 | 9,830.59 GWh |
| North Carolina | # 10 | 909 | 9,044.94 GWh |
| North Dakota | # 35 | 57 | 3,134.93 GWh |
| Ohio | # 12 | 197 | 8,321.20 GWh |
| Oklahoma | # 18 | 136 | 6,341.82 GWh |
| Oregon | # 24 | 272 | 4,888.92 GWh |
| Pennsylvania | # 3 | 255 | 17,282.62 GWh |
| Rhode Island | # 47 | 97 | 690.36 GWh |
| South Carolina | # 11 | 200 | 8,436.34 GWh |
| South Dakota | # 41 | 52 | 1,909.63 GWh |
| Tennessee | # 26 | 86 | 4,565.37 GWh |
| Texas | # 1 | 885 | 43,683.73 GWh |
| Utah | # 39 | 122 | 2,192.68 GWh |
| Vermont | # 50 | 117 | 200.11 GWh |
| Virginia | # 17 | 233 | 6,991.48 GWh |
| Washington | # 13 | 134 | 8,268.23 GWh |
| West Virginia | # 30 | 39 | 3,969.31 GWh |
| Wisconsin | # 29 | 244 | 4,163.43 GWh |
| Wyoming | # 34 | 73 | 3,236.34 GWh |