Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Tunnel | FirstLight Power Resources Services LLC | Preston, CT | ISO New England (ISNE) | 11.9 GWh | Dec 1918 | Dec 2023 | Water : 98.2% Jet Fuel : 1.8% |
| Buchanan (MI) | Indiana Michigan Power Co | Buchanan, MI | PJM Interconnection, LLC (PJM) | 15.3 GWh | Dec 1918 | Dec 2023 | Water |
| Brule | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 GWh | Dec 1918 | Dec 2023 | Water |
| James R Smith | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 15.8 GWh | Dec 1918 | Dec 2023 | Water |
| St Louis | City of St Louis - (MI) | St. Louis, MI | Midcontinent Independent System Operator, Inc. (MISO) | 175.0 MWh | Dec 1918 | Dec 2023 | Water : 95.4% Distillate Fuel Oil : 4.6% |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 8.6 GWh | Dec 1918 | Dec 2023 | Water |
| Trenton Falls | Erie Boulevard Hydropower LP | Barneveld, NY | New York Independent System Operator (NYIS) | 140.2 GWh | Dec 1918 | Dec 2023 | Water |
| Dam No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Hedgesville, WV | PJM Interconnection, LLC (PJM) | 2.4 GWh | Dec 1918 | Dec 2023 | Water |
| Puueo | Hawaii Electric Light Co Inc | Hilo, HI | 3.8 GWh | Nov 1918 | Aug 2024 | Water | |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 281.6 GWh | Jun 1918 | Dec 2023 | Water |
| Rochester 5 | Rochester Gas & Electric Corp | Rochester, NY | New York Independent System Operator (NYIS) | 18.9 GWh | Jun 1918 | Jan 2023 | Water |
| Grand Rapids | Wisconsin Public Service Corp | Ingalls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 33.0 GWh | May 1918 | Dec 2023 | Water |
| Copco 1 | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 71.4 GWh | Dec 1917 | Dec 2023 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 7.3 GWh | Dec 1917 | Dec 2023 | Water |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 22.2 GWh | Dec 1917 | Dec 2023 | Water |
| C W Tippy | Consumers Energy Co - (MI) | Wellston, MI | Midcontinent Independent System Operator, Inc. (MISO) | 57.7 GWh | Dec 1917 | Dec 2023 | Water |
| Foote | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.1 GWh | Dec 1917 | Dec 2023 | Water |
| Colton | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 171.8 GWh | Dec 1917 | Dec 2023 | Water |
| Stevens Point | Consolidated Water Power Co | Stevens Point, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.1 GWh | Dec 1917 | Dec 2023 | Water |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Dec 1917 | Dec 2023 | Water |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 290.2 GWh | Dec 1917 | Dec 2023 | Water |
| Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 1917 | Aug 2024 | Water |
| Fontana | Southern California Edison Co | Rialto, CA | California Independent System Operator (CISO) | 6.2 GWh | Nov 1917 | Dec 2023 | Water |
| San Joaquin 2 | Pacific Gas & Electric Co. | North Fork, CA | California Independent System Operator (CISO) | 1.5 GWh | Aug 1917 | Feb 2023 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 12.1 GWh | Jul 1917 | Dec 2023 | Water |
| Lower Middlebury | Green Mountain Power Corp | Middlebury Lower, VT | ISO New England (ISNE) | 4.1 GWh | Jul 1917 | Nov 2023 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 30.2 GWh | Jun 1917 | Dec 2023 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 737.2 GWh | Jun 1917 | Dec 2023 | Water |
| Narrows (NC) | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 462.5 GWh | Jun 1917 | Dec 2023 | Water |
| San Francisquito 1 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 220.2 GWh | Mar 1917 | Dec 2023 | Water |
| Wise | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 64.6 GWh | Feb 1917 | Dec 2023 | Water |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Feb 1917 | Dec 2023 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 4.5 GWh | Jan 1917 | Dec 2023 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 6.6 GWh | Jan 1917 | Dec 2023 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 53.8 GWh | Dec 1916 | Dec 2023 | Water |
| Superior Falls | Northern States Power Co - Minnesota | Ironwood, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1916 | Dec 2023 | Water |
| Pillager | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Dec 1916 | Dec 2023 | Water |
| Essex Junction 19 | Green Mountain Power Corp | Essex Junction, VT | ISO New England (ISNE) | 49.9 GWh | Dec 1916 | Aug 2024 | Water : 99.5% Distillate Fuel Oil : 0.5% |
| West Danville 15 | Green Mountain Power Corp | Danville, VT | ISO New England (ISNE) | 4.5 GWh | Dec 1916 | Dec 2023 | Water |
| Wissota | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 132.9 GWh | Dec 1916 | Dec 2023 | Water |
| 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) | 10.2 GWh | Dec 1916 | Dec 2023 | Water |
| Halsey | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 7.3 GWh | Nov 1916 | Dec 2022 | Water |
| Great Falls (TN) | Tennessee Valley Authority | Rock Island, TN | Tennessee Valley Authority (TVA) | 32.2 GWh | Nov 1916 | Dec 2023 | Water |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 143.3 GWh | Oct 1916 | Dec 2023 | Water |
| Rush Creek | Southern California Edison Co | June lake, CA | California Independent System Operator (CISO) | 40.4 GWh | Sep 1916 | Dec 2023 | Water |
| Appleton | Wisconsin Electric Power Co | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Jul 1916 | Dec 2023 | Water |
| Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 118.3 GWh | Jun 1916 | Aug 2024 | Black Liquor : 38.2% Bituminous Coal : 36.5% Water : 15.5% Residual Fuel Oil : 3.4% Natural Gas : 2.9% Wood/Wood Waste Solids : 2.6% Sludge Waste : 1.0% |
| Mio | Consumers Energy Co - (MI) | Mio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 GWh | Dec 1915 | Dec 2023 | Water |
| Elmer | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 11.3 GWh | Dec 1915 | Dec 2023 | Water |
| Annex Creek | Alaska Electric Light & Power Co. | Juneau, AK | 8.4 GWh | Nov 1915 | Dec 2023 | Water | |
| Goat Rock | Georgia Power Co | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 99.4 GWh | Nov 1915 | Dec 2023 | Water |
| Lookout Shoals | Duke Energy Carolinas, LLC | Statesville, NC | Duke Energy Carolinas (DUK) | 90.3 GWh | Nov 1915 | Dec 2023 | Water |
| Long Lake | Avista Corp | Ford, WA | Avista Corporation (AVA) | 413.0 GWh | Sep 1915 | Dec 2023 | Water |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 131.0 GWh | Sep 1915 | Dec 2023 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 486.3 GWh | Jul 1915 | Dec 2023 | Water |
| Great Falls (VT) | The Town of Lyndon Electric Department | Lyndon, VT | ISO New England (ISNE) | 3.4 GWh | Jul 1915 | Dec 2023 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.4 GWh | Jun 1915 | Dec 2023 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 396.3 GWh | Jun 1915 | Dec 2023 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.8 GWh | May 1915 | Dec 2023 | Water |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 394.4 GWh | Dec 1914 | Dec 2023 | Water |
| Wakefield | City of Wakefield - (NE) | Wakefield, NE | Southwest Power Pool (SWPP) | 14.0 MWh | Dec 1914 | Dec 2023 | Distillate Fuel Oil |
| Minetto | Erie Boulevard Hydropower LP | Minetto, NY | New York Independent System Operator (NYIS) | 32.6 GWh | Dec 1914 | Dec 2023 | Water |
| School Street | Erie Boulevard Hydropower LP | Cohoes, NY | New York Independent System Operator (NYIS) | 168.9 GWh | Dec 1914 | Dec 2023 | Water |
| Halifax | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 1.1 GWh | Dec 1914 | Dec 2023 | Water |
| Waterloo Hydroelectric Project | C-S Canal Hydro, LLC | Waterloo, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Dec 1914 | Dec 2023 | Water |
| Hoot Lake | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Aug 1914 | Dec 2023 | Water |
| Parr Hydro | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 46.9 GWh | Jul 1914 | Dec 2023 | Water |
| Cadys Falls | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 236.1 MWh | Jul 1914 | Apr 2023 | Water |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 78.9 GWh | May 1914 | Dec 2023 | Water |
| Crystal Falls | City of Crystal Falls | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 GWh | May 1914 | Dec 2023 | Water |
| Big Quinnesec 61 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Apr 1914 | Aug 2023 | Water |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 10.4 GWh | Jan 1914 | Dec 2023 | Water |
| Falls Village | FirstLight Power Resources Services LLC | Falls Village, CT | ISO New England (ISNE) | 52.1 GWh | Dec 1913 | Dec 2023 | Water |
| Gardners Falls | Central Rivers Power MA, LLC | Buckland, MA | ISO New England (ISNE) | 17.7 GWh | Dec 1913 | Dec 2023 | Water |
| Eagle | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 33.5 GWh | Dec 1913 | Dec 2023 | Water |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 53.9 GWh | Dec 1913 | Dec 2023 | Water |
| Oswego Falls East | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 24.2 GWh | Dec 1913 | Dec 2023 | Water |
| Oswego Falls West | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Dec 1913 | Dec 2023 | Water |
| Fleish | Truckee Meadows Water Authority | Fleish, NV | Nevada Power Company (NEVP) | 20.7 GWh | Dec 1913 | Aug 2024 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 8.2 GWh | Dec 1913 | Dec 2023 | Water |
| Diamond Island Plant | Central Rivers Power US, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Dec 1913 | Dec 2023 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 168.0 GWh | Dec 1913 | Dec 2023 | Water |
| Big Creek 2 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 296.2 GWh | Nov 1913 | Dec 2023 | Water |
| Drum 1 | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 88.2 GWh | Oct 1913 | Dec 2023 | Water |
| Big Creek 1 | Southern California Edison Co | Big Creek, CA | California Independent System Operator (CISO) | 393.8 GWh | Oct 1913 | Dec 2023 | Water |
| Ocoee 2 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 80.7 GWh | Sep 1913 | Dec 2023 | Water |
| Tallulah Falls | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 100.4 GWh | Aug 1913 | Dec 2023 | Water |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 834.9 GWh | Jul 1913 | Dec 2023 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 39.4 GWh | Jul 1913 | Dec 2023 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 18.5 GWh | Jul 1913 | Dec 2023 | Water |
| Bend | PacifiCorp | Bend, OR | PacifiCorp West (PACW) | 83.0 MWh | Jun 1913 | Dec 2023 | Water |
| Bishop Creek 3 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 26.2 GWh | May 1913 | Dec 2023 | Water |
| Bishop Creek 6 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 9.6 GWh | Feb 1913 | Dec 2023 | Water |
| Elkhart | Indiana Michigan Power Co | Elkhart, IN | PJM Interconnection, LLC (PJM) | 11.1 GWh | Dec 1912 | Dec 2023 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 12.1 GWh | Dec 1912 | Dec 2023 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 36.7 GWh | Dec 1912 | Dec 2023 | Water |
| Loud | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.7 GWh | Dec 1912 | Dec 2023 | Water |
| Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1912 | Dec 2023 | Water |
| Sylvan | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 GWh | Dec 1912 | Dec 2023 | Water |
Summary of Power Plants By State
Figures are based on August 2024 generation numbers.| State | Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Alabama | # 7 | 78 | 14,073.11 GWh |
| Alaska | # 48 | 147 | 631.71 GWh |
| Arizona | # 10 | 161 | 12,447.73 GWh |
| Arkansas | # 23 | 77 | 6,473.81 GWh |
| California | # 4 | 1,666 | 22,299.47 GWh |
| Colorado | # 28 | 277 | 5,476.67 GWh |
| Connecticut | # 33 | 159 | 4,351.57 GWh |
| Delaware | # 49 | 31 | 481.79 GWh |
| District of Columbia | # 51 | 12 | 19.18 GWh |
| Florida | # 2 | 286 | 27,339.08 GWh |
| Georgia | # 6 | 251 | 14,863.07 GWh |
| Hawaii | # 47 | 69 | 841.39 GWh |
| Idaho | # 43 | 142 | 1,655.52 GWh |
| Illinois | # 5 | 335 | 17,196.16 GWh |
| Indiana | # 18 | 202 | 9,001.13 GWh |
| Iowa | # 26 | 283 | 5,529.62 GWh |
| Kansas | # 31 | 165 | 5,363.63 GWh |
| Kentucky | # 21 | 55 | 6,964.00 GWh |
| Louisiana | # 14 | 82 | 10,133.66 GWh |
| Maine | # 45 | 162 | 1,185.43 GWh |
| Maryland | # 38 | 185 | 3,346.65 GWh |
| Massachusetts | # 41 | 614 | 1,896.47 GWh |
| Michigan | # 12 | 274 | 12,135.86 GWh |
| Minnesota | # 27 | 748 | 5,511.98 GWh |
| Mississippi | # 19 | 55 | 7,436.42 GWh |
| Missouri | # 20 | 126 | 7,051.26 GWh |
| State | Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,306.38 GWh |
| Nebraska | # 36 | 125 | 3,559.93 GWh |
| Nevada | # 32 | 110 | 4,699.98 GWh |
| New Hampshire | # 42 | 60 | 1,808.14 GWh |
| New Jersey | # 25 | 387 | 5,633.45 GWh |
| New Mexico | # 39 | 139 | 3,198.26 GWh |
| New York | # 11 | 848 | 12,289.60 GWh |
| North Carolina | # 9 | 893 | 13,559.75 GWh |
| North Dakota | # 35 | 59 | 3,641.88 GWh |
| Ohio | # 8 | 190 | 13,652.00 GWh |
| Oklahoma | # 15 | 130 | 10,062.87 GWh |
| Oregon | # 29 | 262 | 5,448.37 GWh |
| Pennsylvania | # 3 | 246 | 23,205.63 GWh |
| Rhode Island | # 46 | 97 | 1,061.17 GWh |
| South Carolina | # 16 | 203 | 9,629.88 GWh |
| South Dakota | # 44 | 53 | 1,603.17 GWh |
| Tennessee | # 22 | 87 | 6,912.16 GWh |
| Texas | # 1 | 797 | 58,529.53 GWh |
| Utah | # 37 | 122 | 3,440.26 GWh |
| Vermont | # 50 | 114 | 207.44 GWh |
| Virginia | # 13 | 213 | 10,408.51 GWh |
| Washington | # 17 | 138 | 9,091.93 GWh |
| West Virginia | # 30 | 36 | 5,412.86 GWh |
| Wisconsin | # 24 | 230 | 6,416.93 GWh |
| Wyoming | # 34 | 70 | 3,868.32 GWh |