Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Brainerd Public Utilities | Brainerd Public Utilities | Brainerd, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Dec 1916 | Dec 2023 | Water |
| Seneca Falls Hydroelectric Project | C-S Canal Hydro, LLC | Seneca Falls, NY | New York Independent System Operator (NYIS) | 9.8 GWh | Dec 1916 | Dec 2024 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.0 GWh | Jan 1917 | Dec 2024 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 4.6 GWh | Jan 1917 | Dec 2024 | Water |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 1917 | Dec 2024 | Water |
| Wise | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 31.5 GWh | Feb 1917 | Oct 2024 | Water |
| San Francisquito 1 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 177.7 GWh | Mar 1917 | Dec 2024 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 32.6 GWh | Jun 1917 | Dec 2024 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 570.9 GWh | Jun 1917 | Dec 2024 | Water |
| Narrows (NC) | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 487.5 GWh | Jun 1917 | Dec 2024 | Water |
| Lower Middlebury | Green Mountain Power Corp | Middlebury Lower, VT | ISO New England (ISNE) | 4.3 GWh | Jul 1917 | Dec 2024 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 11.2 GWh | Jul 1917 | Dec 2024 | Water |
| Fontana | Southern California Edison Co | Rialto, CA | California Independent System Operator (CISO) | 8.7 GWh | Nov 1917 | Dec 2024 | Water |
| Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Nov 1917 | Sep 2025 | Water |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 260.5 GWh | Dec 1917 | Dec 2024 | Water |
| Copco 1 | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 70.4 GWh | Dec 1917 | Jan 2024 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 16.0 GWh | Dec 1917 | Dec 2024 | Water |
| C W Tippy | Consumers Energy Co - (MI) | Wellston, MI | Midcontinent Independent System Operator, Inc. (MISO) | 54.2 GWh | Dec 1917 | Dec 2024 | Water |
| Foote | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 27.1 GWh | Dec 1917 | Dec 2024 | Water |
| Colton | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 195.0 GWh | Dec 1917 | Dec 2024 | Water |
| Stevens Point | Consolidated Water Power Co | Stevens Point, WI | Midcontinent Independent System Operator, Inc. (MISO) | 28.5 GWh | Dec 1917 | Dec 2024 | Water |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Grand Rapids | Wisconsin Public Service Corp | Ingalls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 31.9 GWh | May 1918 | Dec 2024 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 265.8 GWh | Jun 1918 | Dec 2024 | Water |
| Puueo | Hawaii Electric Light Co Inc | Hilo, HI | 4.0 GWh | Nov 1918 | Apr 2025 | Water | |
| Stevenson | FirstLight Power Resources Services LLC | Monroe, CT | ISO New England (ISNE) | 95.8 GWh | Dec 1918 | Dec 2024 | Water |
| Tunnel | FirstLight Power Resources Services LLC | Preston, CT | ISO New England (ISNE) | 7.7 GWh | Dec 1918 | Dec 2024 | Water |
| Buchanan (MI) | Indiana Michigan Power Co | Buchanan, MI | PJM Interconnection, LLC (PJM) | 15.2 GWh | Dec 1918 | Dec 2024 | Water |
| Brule | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.9 GWh | Dec 1918 | Dec 2024 | Water |
| James R Smith | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | Dec 1918 | Dec 2024 | Water |
| St Louis | City of St Louis - (MI) | St. Louis, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.0 MWh | Dec 1918 | Dec 2024 | Water : 75.9% Distillate Fuel Oil : 24.1% |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Dec 1918 | Dec 2024 | Water |
| Trenton Falls | Erie Boulevard Hydropower LP | Barneveld, NY | New York Independent System Operator (NYIS) | 140.6 GWh | Dec 1918 | Dec 2024 | Water |
| Dam No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Hedgesville, WV | PJM Interconnection, LLC (PJM) | 4.1 GWh | Dec 1918 | Dec 2024 | Water |
| Fairfax Falls | Green Mountain Power Corp | Fairfax, VT | ISO New England (ISNE) | 20.4 GWh | Jan 1919 | Dec 2024 | Water |
| Bridgewater | Duke Energy Carolinas, LLC | Morganton, NC | Duke Energy Carolinas (DUK) | 39.9 GWh | Apr 1919 | Dec 2024 | Water |
| Bishop Creek 5 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 16.9 GWh | May 1919 | Sep 2024 | Water |
| Spalding | Village of Spalding - (NE) | Spalding, NE | Southwest Power Pool (SWPP) | 4.0 MWh | Jun 1919 | Dec 2024 | Water : 50.0% Distillate Fuel Oil : 50.0% |
| Falls Hydro | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 126.5 GWh | Aug 1919 | Dec 2024 | Water |
| Wateree Hydro | Duke Energy Carolinas, LLC | Ridgeway, SC | Duke Energy Carolinas (DUK) | 255.3 GWh | Sep 1919 | Dec 2024 | Water |
| Dwight | Central Rivers Power MA, LLC | Chicopee, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1919 | Dec 2024 | Water |
| Kansas River Project | Bowersock Mills & Power Co | Lawrence, KS | Southwest Power Pool (SWPP) | 21.2 GWh | Dec 1919 | Sep 2025 | Water |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 57.4 GWh | Dec 1919 | Dec 2024 | Water |
| Dashville | Central Hudson Gas & Elec Corp | Dashville, NY | New York Independent System Operator (NYIS) | 9.0 GWh | Dec 1919 | Dec 2024 | Water |
| Black River | Erie Boulevard Hydropower LP | Black River, NY | New York Independent System Operator (NYIS) | 27.1 GWh | Dec 1919 | Dec 2024 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 3.7 GWh | Dec 1919 | Sep 2025 | Water |
| Park Mill | Eagle Creek Renewable Energy, LLC | Marinette, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1919 | Dec 2024 | Water |
| Packaging of America Tomahawk Mill | PCA-Tomahawk Mill | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 111.3 GWh | Dec 1919 | Dec 2024 | Wood/Wood Waste Solids : 35.7% Natural Gas : 34.2% Black Liquor : 18.1% Water : 11.7% |
| Prairie River | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Mar 1920 | Dec 2024 | Water |
| Tuxedo | Northbrook Tuxedo, LLC | Flat Rock, NC | Duke Energy Carolinas (DUK) | 19.3 GWh | May 1920 | Sep 2024 | Water |
| Georgia-Pacific Big Island | GP Big Island LLC | Big Island, VA | PJM Interconnection, LLC (PJM) | 42.1 GWh | May 1920 | Sep 2025 | Natural Gas : 64.2% Wood/Wood Waste Solids : 24.8% Black Liquor : 8.2% Other Biomass Solids : 2.6% |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.7 GWh | Jun 1920 | Dec 2024 | Water |
| San Francisquito 2 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 44.7 GWh | Jun 1920 | Dec 2024 | Water |
| Glen | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 6.1 GWh | Jul 1920 | Dec 2024 | Water |
| Lockhart | Lockhart Power Co | Lockhart, SC | Duke Energy Carolinas (DUK) | 70.0 GWh | Dec 1920 | Dec 2024 | Water |
| Brigham City | Brigham City Corporation | Brigham, UT | PacifiCorp East (PACE) | 7.8 GWh | Dec 1920 | Dec 2024 | Water |
| Danbury Dam | Renewable World Energies LLC | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Dec 1920 | Dec 2024 | Water |
| French Paper Hydro | French Paper Co | Niles, MI | PJM Interconnection, LLC (PJM) | 2.9 GWh | Dec 1920 | Sep 2025 | Water |
| Graniteville Enterprise Division | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.9 GWh | Dec 1920 | Jul 2025 | Water |
| Boatlock | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 18.9 GWh | Dec 1920 | Dec 2024 | Water |
| Kearney | Nebraska Public Power District | Kearney, NE | Southwest Power Pool (SWPP) | 416.0 MWh | Dec 1920 | Sep 2024 | Water |
| Kamargo | Erie Boulevard Hydropower LP | Black River, NY | New York Independent System Operator (NYIS) | 27.5 GWh | Dec 1920 | Dec 2024 | Water |
| Waterport | Erie Boulevard Hydropower LP | Waterport, NY | New York Independent System Operator (NYIS) | 12.3 GWh | Dec 1920 | Dec 2024 | Water |
| Kern River 3 | Southern California Edison Co | Kernville, CA | California Independent System Operator (CISO) | 142.8 GWh | Feb 1921 | Dec 2024 | Water |
| Wausau | Wisconsin Public Service Corp | Wausau, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Feb 1921 | Dec 2024 | Water |
| Potato Rapids | Wisconsin Public Service Corp | Town of Porterfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Apr 1921 | Dec 2024 | Water |
| Caribou 1 | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 221.0 GWh | May 1921 | Dec 2024 | Water |
| Wallowa Falls | PacifiCorp | Joseph, OR | PacifiCorp West (PACW) | 2.5 GWh | Jun 1921 | Dec 2024 | Water |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 26.8 GWh | Jul 1921 | Dec 2024 | Water |
| Big Creek 8 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 173.8 GWh | Jul 1921 | Dec 2024 | Water |
| Cadyville | New York State Elec & Gas Corp | Town ofSchuyler Falls, NY | New York Independent System Operator (NYIS) | 23.8 GWh | Jul 1921 | Dec 2024 | Water |
| Hat Creek 2 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 26.0 GWh | Aug 1921 | Dec 2024 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 29.8 GWh | Aug 1921 | Nov 2024 | Water |
| Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 6.2 GWh | Oct 1921 | Dec 2024 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 20.9 GWh | Nov 1921 | Dec 2024 | Water |
| Flint River | Georgia Power Co | Albany, GA | Southern Company Services, Inc. - Trans (SOCO) | 34.7 GWh | Nov 1921 | Dec 2024 | Water |
| Rogers | Consumers Energy Co - (MI) | Big Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Dec 1921 | Dec 2024 | Water |
| Knife Falls | ALLETE, Inc. | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 GWh | Dec 1921 | Dec 2024 | Water |
| Big Falls | Northern States Power Co - Minnesota | Glen Fora, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.1 GWh | Dec 1921 | Dec 2024 | Water |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1921 | Dec 2024 | Water |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 5.8 GWh | Jan 1922 | Dec 2024 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.4 GWh | Feb 1922 | Dec 2024 | Water |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.6 GWh | Mar 1922 | Dec 2024 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2024 | Water |
| Pine | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.9 GWh | May 1922 | Dec 2024 | Water |
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 76.9 GWh | Jul 1922 | Dec 2024 | Water |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 188.4 GWh | Aug 1922 | Dec 2024 | Water |
| Green Island Hydroelectric Station | Albany Engineering Corporation | Green Island, NY | New York Independent System Operator (NYIS) | 37.4 GWh | Oct 1922 | Dec 2024 | Water |
| Constantine | Indiana Michigan Power Co | Constantine, MI | PJM Interconnection, LLC (PJM) | 3.5 GWh | Dec 1922 | Dec 2024 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 6.9 GWh | Dec 1922 | Dec 2024 | Water |
| Scanlon | ALLETE, Inc. | Scanlon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 GWh | Dec 1922 | Dec 2024 | Water |
| Lanesboro | Lanesboro Public Utility Comm | Lanesboro, MN | Midcontinent Independent System Operator, Inc. (MISO) | 184.0 MWh | Dec 1922 | Dec 2024 | Water : 81.0% Distillate Fuel Oil : 19.0% |
| Browns Falls | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 45.3 GWh | Dec 1922 | Dec 2024 | Water |
| Sherman Island | Erie Boulevard Hydropower LP | Queensbury, NY | New York Independent System Operator (NYIS) | 175.0 GWh | Dec 1922 | Dec 2024 | Water |
| Newport Hydro Station | Eagle Creek Renewable Energy, LLC | Newport, VA | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 1922 | Dec 2024 | Water |
| Dells | Northern States Power Co - Minnesota | Eau Claire, WI | Midcontinent Independent System Operator, Inc. (MISO) | 42.4 GWh | Dec 1922 | Dec 2024 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 23.3 GWh | Dec 1922 | Dec 2024 | Water |
| Flambeau Lower Project | Renewable World Energies LLC | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Dec 1922 | Dec 2024 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 91.5 GWh | Feb 1923 | Dec 2024 | Water |
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 |