Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Lake Lynn Hydro Station | Eagle Creek Renewable Energy, LLC | Lake Lynn, PA | PJM Interconnection, LLC (PJM) | 93.9 GWh | Apr 1926 | Dec 2025 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 34.3 GWh | Apr 1926 | Aug 2026 | Water |
| Jackman | Central Rivers Power NH, LLC | Hillsborough, NH | ISO New England (ISNE) | 8.4 GWh | Jan 1926 | Aug 2025 | Water |
| Gantt | PowerSouth Energy Cooperative | Andalusia, AL | Southern Company Services, Inc. - Trans (SOCO) | 5.7 GWh | Dec 1925 | Dec 2025 | Water |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 115.0 GWh | Dec 1925 | Dec 2025 | Water |
| Varick | Erie Boulevard Hydropower LP | Oswego, NY | New York Independent System Operator (NYIS) | 19.9 GWh | Dec 1925 | Dec 2025 | Water |
| Rapide Croche | City of Kaukauna (WI) | Kaukana, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.5 GWh | Dec 1925 | Dec 2025 | Water |
| Spartanburg Water System | Spartanburg Commissioners PW | Chesnee, SC | Duke Energy Carolinas (DUK) | 497.0 MWh | Dec 1925 | Aug 2026 | Water : 78.3% Distillate Fuel Oil : 21.7% |
| Kimberly Mill | City of Kaukauna (WI) | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.3 GWh | Dec 1925 | Dec 2025 | Water |
| Rainbow (CT) | Farmington River Power Company | Windsor, CT | ISO New England (ISNE) | 19.4 GWh | Nov 1925 | Aug 2026 | Water |
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | Bonneville Power Administration (BPAT) | 62.9 GWh | Nov 1925 | Dec 2025 | Water |
| Oakdale | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 GWh | Oct 1925 | Feb 2025 | Water |
| Dix Dam | Kentucky Utilities Co | Harrodsburg, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 104.7 GWh | Oct 1925 | Dec 2025 | Water |
| Yonah | Georgia Power Co | Toccoa, GA | Southern Company Services, Inc. - Trans (SOCO) | 35.4 GWh | Sep 1925 | Dec 2025 | Water |
| Wilson Dam | Tennessee Valley Authority | Muscle Shoals, AL | Tennessee Valley Authority (TVA) | 1.6 TWh | Aug 1925 | Aug 2026 | Water |
| Wylie | Duke Energy Carolinas, LLC | Fort Mill, SC | Duke Energy Carolinas (DUK) | 98.6 GWh | Jul 1925 | Dec 2025 | Water |
| Ayers Island | Central Rivers Power NH, LLC | Bristol, NH | ISO New England (ISNE) | 36.3 GWh | Jul 1925 | Dec 2025 | Water |
| Garvins Falls | Central Rivers Power NH, LLC | Bow, NH | ISO New England (ISNE) | 24.8 GWh | Jul 1925 | Dec 2025 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 374.6 GWh | Jun 1925 | Dec 2025 | Water |
| Big Pine Creek | Los Angeles Department of Water & Power | Big Pine, CA | Los Angeles Department of Water and Power (LDWP) | 10.5 GWh | Jun 1925 | Oct 2025 | Water |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 14.4 GWh | Jun 1925 | Dec 2025 | Water |
| Hodenpyl | Consumers Energy Co - (MI) | Mesick, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.7 GWh | Jun 1925 | Dec 2025 | Water |
| Dixon Hydroelectric Dam | Eagle Creek Renewable Energy, LLC | Dixon, IL | PJM Interconnection, LLC (PJM) | 12.5 GWh | May 1925 | Dec 2025 | Water |
| Ruxton Park | City of Colorado Springs - (CO) | Manitou Spring, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 1.0 GWh | Apr 1925 | Aug 2025 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 52.5 GWh | Apr 1925 | Dec 2025 | Water |
| Terrora | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 38.2 GWh | Feb 1925 | Dec 2025 | Water |
| Blanchard | ALLETE, Inc. | Royalton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 72.0 GWh | Jan 1925 | Dec 2025 | Water |
| Rhodhiss | Duke Energy Carolinas, LLC | Rhodhiss, NC | Duke Energy Carolinas (DUK) | 55.9 GWh | Jan 1925 | Dec 2025 | Water |
| Point A | PowerSouth Energy Cooperative | Andalusia, AL | Southern Company Services, Inc. - Trans (SOCO) | 13.4 GWh | Dec 1924 | Dec 2025 | Water |
| Remmel | Entergy Arkansas LLC | Malvern, AR | Midcontinent Independent System Operator, Inc. (MISO) | 46.1 GWh | Dec 1924 | Dec 2025 | Water |
| CC Perry K | Citizens Thermal Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 14.3 GWh | Dec 1924 | Aug 2026 | Natural Gas |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 6.5 GWh | Dec 1924 | Dec 2025 | Water |
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 1924 | Dec 2024 | Water |
| Deferiet | Erie Boulevard Hydropower LP | Deferiet, NY | New York Independent System Operator (NYIS) | 40.2 GWh | Dec 1924 | Dec 2025 | Water |
| High Falls - Croghan NY | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 25.0 GWh | Dec 1924 | Dec 2025 | Water |
| Parishville | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 11.8 GWh | Dec 1924 | Dec 2025 | Water |
| Sewalls | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 11.7 GWh | Dec 1924 | Dec 2025 | Water |
| Soft Maple | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 31.6 GWh | Dec 1924 | Dec 2025 | Water |
| Franklin (NC) | Northbrook Carolina Hydro II, LLC | Franklin, NC | Duke Energy Carolinas (DUK) | 2.7 GWh | Dec 1924 | Dec 2025 | Water |
| Dayton Hydro | Eagle Creek Renewable Energy, LLC | Ottawa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 9.9 GWh | Dec 1924 | Dec 2025 | Water |
| Sinclair Oil Refinery | HF Sinclair Parco Refining LLC | Sinclair, WY | PacifiCorp East (PACE) | 5.9 GWh | Dec 1924 | May 2026 | Natural Gas |
| Alexander | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.9 GWh | Dec 1924 | Dec 2025 | Water |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.7 GWh | Dec 1924 | Dec 2025 | Water |
| La Grange | Turlock Irrigation District | La Grange, CA | Turlock Irrigation District (TIDC) | 6.6 GWh | Nov 1924 | Dec 2025 | Water |
| Mission | Northbrook Carolina Hydro II, LLC | Murphy, NC | Duke Energy Carolinas (DUK) | 7.0 GWh | Nov 1924 | Dec 2025 | Water |
| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Oct 1924 | Dec 2025 | Water |
| Twin Cities Hydro LLC | Twin Cities Hydro LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 97.1 GWh | Sep 1924 | Dec 2025 | Water |
| Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 942.5 GWh | Aug 1924 | Aug 2026 | Water |
| Morrisville | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 5.0 GWh | Jul 1924 | Dec 2025 | Water |
| Oak Grove | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 142.1 GWh | Jul 1924 | Dec 2025 | Water |
| Watertown | City of Watertown - (NY) | Watertown, NY | New York Independent System Operator (NYIS) | 19.2 GWh | Jul 1924 | Dec 2025 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 16.3 GWh | Jun 1924 | Dec 2025 | Water |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 18.3 GWh | Jun 1924 | Dec 2025 | Water |
| Crescent | New York Power Authority | Crescent, NY | New York Independent System Operator (NYIS) | 50.1 GWh | Jun 1924 | Dec 2025 | Water |
| Vischer Ferry | New York Power Authority | Rexford, NY | New York Independent System Operator (NYIS) | 47.1 GWh | Jun 1924 | Dec 2025 | Water |
| Piney | BP Piney & Deep Creek LLC | Clarion, PA | PJM Interconnection, LLC (PJM) | 62.2 GWh | May 1924 | Dec 2025 | Water |
| Sullivan | Portland General Electric Co | West Linn, OR | Portland General Electric Company (PGE) | 84.6 GWh | Apr 1924 | Dec 2025 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 98.2 GWh | Apr 1924 | Dec 2025 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 22.3 GWh | Apr 1924 | Dec 2025 | Water |
| Kingsford | Wisconsin Electric Power Co | Kingsford, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.7 GWh | Apr 1924 | Dec 2025 | Water |
| El Dorado | El Dorado Irrigation District | Pollock Pines, CA | California Independent System Operator (CISO) | 80.5 GWh | Dec 1923 | Dec 2025 | Water |
| Iowa Hydro LLC | Zero6 Energy Hydro | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Dec 1923 | Aug 2026 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.8 GWh | Dec 1923 | Dec 2025 | Water |
| Alcona | Consumers Energy Co - (MI) | Glennie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.5 GWh | Dec 1923 | Dec 2025 | Water |
| Fond Du Lac | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 37.6 GWh | Dec 1923 | Dec 2025 | Water |
| Sturgeon | Central Hudson Gas & Elec Corp | Tillson, NY | New York Independent System Operator (NYIS) | 49.1 GWh | Dec 1923 | Dec 2025 | Water |
| Beardslee | Erie Boulevard Hydropower LP | Little Falls, NY | New York Independent System Operator (NYIS) | 42.8 GWh | Dec 1923 | Dec 2025 | Water |
| Flat Rock | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 14.6 GWh | Dec 1923 | Dec 2025 | Water |
| Fulton Hydro | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Dec 1923 | Dec 2025 | Water |
| Herrings | Erie Boulevard Hydropower LP | Carthage, NY | New York Independent System Operator (NYIS) | 18.4 GWh | Dec 1923 | Dec 2025 | Water |
| Heuvelton | Erie Boulevard Hydropower LP | Village of Heuvelton, NY | New York Independent System Operator (NYIS) | 4.2 GWh | Dec 1923 | Dec 2025 | Water |
| Piercefield | Erie Boulevard Hydropower LP | Piercefield, NY | New York Independent System Operator (NYIS) | 11.4 GWh | Dec 1923 | Dec 2025 | Water |
| Sugar Island | Erie Boulevard Hydropower LP | Potsdam, NY | New York Independent System Operator (NYIS) | 22.7 GWh | Dec 1923 | Dec 2025 | Water |
| International Falls Power | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 55.2 GWh | Dec 1923 | Aug 2026 | Water |
| Feeder Dam Hydro Plant | Erie Boulevard Hydropower LP | S. Glen Falls, NY | New York Independent System Operator (NYIS) | 20.6 GWh | Dec 1923 | Dec 2025 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1923 | Aug 2026 | Water |
| Lyons Falls Hydroelectric | Northbrook Lyons Falls LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 27.1 GWh | Nov 1923 | Dec 2025 | Water |
| Mountain Island | Duke Energy Carolinas, LLC | Mount Holly, NC | Duke Energy Carolinas (DUK) | 90.0 GWh | Nov 1923 | Dec 2025 | Water |
| Tugalo | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 93.9 GWh | Sep 1923 | Dec 2025 | Water |
| Big Creek 3 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 764.5 GWh | Aug 1923 | Aug 2026 | Water |
| Winton | ALLETE, Inc. | Winton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 17.6 GWh | Jul 1923 | Dec 2025 | Water |
| Barron | City of Barron - (WI) | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 382.0 MWh | Jul 1923 | Dec 2025 | Water |
| Highgate Falls | Village of Swanton - (VT) | Highgate, VT | ISO New England (ISNE) | 32.1 GWh | Jul 1923 | Dec 2025 | Water |
| Johnson Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jun 1923 | Dec 2025 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 82.7 GWh | Jun 1923 | Dec 2025 | Water |
| Norway (IN) | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 GWh | May 1923 | Dec 2025 | Water |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | May 1923 | Dec 2025 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 70.2 GWh | Feb 1923 | Dec 2025 | Water |
| Newport Hydro Station | Eagle Creek Renewable Energy, LLC | Newport, VA | PJM Interconnection, LLC (PJM) | 5.6 GWh | Dec 1922 | Dec 2025 | Water |
| Dells | Northern States Power Co - Minnesota | Eau Claire, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.9 GWh | Dec 1922 | Dec 2025 | Water |
| Constantine | Indiana Michigan Power Co | Constantine, MI | PJM Interconnection, LLC (PJM) | 3.9 GWh | Dec 1922 | Dec 2025 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 5.3 GWh | Dec 1922 | Dec 2025 | Water |
| Scanlon | ALLETE, Inc. | Scanlon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1922 | Dec 2025 | Water |
| Lanesboro | Lanesboro Public Utility Comm | Lanesboro, MN | Midcontinent Independent System Operator, Inc. (MISO) | 140.0 MWh | Dec 1922 | Dec 2025 | Water : 88.6% Distillate Fuel Oil : 11.4% |
| Browns Falls | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 49.2 GWh | Dec 1922 | Dec 2025 | Water |
| Sherman Island | Erie Boulevard Hydropower LP | Queensbury, NY | New York Independent System Operator (NYIS) | 139.2 GWh | Dec 1922 | Dec 2025 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 22.9 GWh | Dec 1922 | Dec 2025 | Water |
| Flambeau Lower Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1922 | Dec 2025 | Water |
| Green Island Hydroelectric Station | Albany Engineering Corporation | Green Island, NY | New York Independent System Operator (NYIS) | 38.2 GWh | Oct 1922 | Dec 2025 | Water |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 255.5 GWh | Aug 1922 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |