Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Axiall Natrium Plant | Westlake Chemical Natrium Plant | New Martinsville, WV | PJM Interconnection, LLC (PJM) | 531.6 GWh | Dec 1942 | Apr 2026 | Natural Gas : 98.0% Other Gas : 2.0% |
| Kennecott Power Plant | Kennecott Utah Copper | Magna, UT | PacifiCorp East (PACE) | 135.6 GWh | Dec 1942 | May 2026 | Waste Heat : 79.6% Natural Gas : 20.4% |
| Narrows PH | Yuba County Water Agency - (CA) | Grass Valley, CA | California Independent System Operator (CISO) | 73.4 GWh | Nov 1942 | Dec 2025 | Water |
| Parker Dam | U S Bureau of Reclamation | Parker, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 363.5 GWh | Nov 1942 | May 2026 | Water |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 233.5 GWh | Nov 1942 | Dec 2025 | Water |
| Kennett | City of Kennett - (MO) | Kennett, MO | Southwest Power Pool (SWPP) | 1.3 GWh | Jul 1942 | Dec 2025 | Distillate Fuel Oil : 80.7% Natural Gas : 19.3% |
| Nantahala | Duke Energy Carolinas, LLC | Topton, NC | Duke Energy Carolinas (DUK) | 188.4 GWh | Jun 1942 | Dec 2025 | Water |
| Cherokee Dam | Tennessee Valley Authority | Rudledge, TN | Tennessee Valley Authority (TVA) | 315.3 GWh | Mar 1942 | Dec 2025 | Water |
| Clam River Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Mar 1942 | Dec 2025 | Water |
| Watts Bar Hydro | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 865.4 GWh | Feb 1942 | Dec 2025 | Water |
| Du Bay | Consolidated Water Power Co | Eau Pleine, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.5 GWh | Dec 1941 | Dec 2025 | Water |
| Moline | MidAmerican Energy Co | Moline, IL | Midcontinent Independent System Operator, Inc. (MISO) | 20.8 GWh | Dec 1941 | Dec 2025 | Water : 97.0% Natural Gas : 3.0% |
| Hydraulic Race | Erie Boulevard Hydropower LP | Lockport, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Dec 1941 | Dec 2025 | Water |
| Charles P Keller | Village of Rockville Centre - (NY) | Rockville Centre, NY | New York Independent System Operator (NYIS) | 1.0 GWh | Dec 1941 | Dec 2025 | Natural Gas : 85.6% Distillate Fuel Oil : 14.4% |
| Celanese Acetate LLC | Celanese Acetate LLC | Narrows, VA | PJM Interconnection, LLC (PJM) | 157.8 GWh | Dec 1941 | May 2026 | Natural Gas |
| CITGO Refinery Powerhouse | CITGO Petroleum Corp | Sulphur, LA | Midcontinent Independent System Operator, Inc. (MISO) | 223.9 GWh | Dec 1941 | Dec 2025 | Other Gas |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Nov 1941 | Dec 2025 | Distillate Fuel Oil |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 564.0 MWh | Nov 1941 | Dec 2025 | Water |
| Thorpe | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 59.8 GWh | Sep 1941 | Dec 2025 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 35.9 GWh | Jun 1941 | Dec 2025 | Water |
| Johnson 1 | Central Nebraska Pub P&I Dist | Elwood, NE | Southwest Power Pool (SWPP) | 50.8 GWh | Mar 1941 | Dec 2025 | Water |
| Johnson 2 | Central Nebraska Pub P&I Dist | Lexington, NE | Southwest Power Pool (SWPP) | 63.0 GWh | Mar 1941 | Dec 2025 | Water |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | Bonneville Power Administration (BPAT) | 18.3 TWh | Feb 1941 | May 2026 | Water |
| Drop 3 (CA) | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 15.3 GWh | Jan 1941 | Dec 2025 | Water |
| Drop 4 | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 74.9 GWh | Jan 1941 | Dec 2025 | Water |
| Kahoka | City of Kahoka - (MO) | Kahoka, MO | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 1940 | Dec 2024 | Distillate Fuel Oil |
| Jeffrey | Central Nebraska Pub P&I Dist | Brady, NE | Southwest Power Pool (SWPP) | 81.0 GWh | Dec 1940 | Dec 2025 | Water |
| Plant No 1 Freeport | Village of Freeport - (NY) | Freeport, NY | New York Independent System Operator (NYIS) | 26.0 MWh | Dec 1940 | Dec 2025 | Distillate Fuel Oil |
| Rocky River (SC) | City of Abbeville - (SC) | Iva, SC | Duke Energy Carolinas (DUK) | 2.4 GWh | Dec 1940 | Dec 2025 | Water |
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 45.2 GWh | Dec 1940 | Dec 2025 | Water |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 2.2 GWh | Dec 1940 | Dec 2025 | Water |
| Kaukauna City Hydro | City of Kaukauna (WI) | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 31.3 GWh | Nov 1940 | Dec 2025 | Water |
| Elephant Butte | U S Bureau of Reclamation | Truth or Consequences, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 16.6 GWh | Oct 1940 | Dec 2025 | Water |
| University of Illinois Abbott Power Plt | University of Illinois | Champaign, IL | Midcontinent Independent System Operator, Inc. (MISO) | 212.6 GWh | Oct 1940 | Dec 2025 | Natural Gas : 97.0% Bituminous Coal : 3.0% |
| North Ninth Street | Rochelle Municipal Utilities - (IL) | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.5 GWh | Sep 1940 | May 2026 | Natural Gas : 76.6% Solar : 13.5% Distillate Fuel Oil : 9.9% |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 3.8 GWh | Jul 1940 | Dec 2025 | Water |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Jul 1940 | Dec 2025 | Distillate Fuel Oil : 67.9% Natural Gas : 32.1% |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 422.2 GWh | Jul 1940 | Dec 2025 | Water |
| Strawberry Creek | Lower Valley Energy Inc | Bedford, WY | Bonneville Power Administration (BPAT) | 8.8 GWh | Jul 1940 | Dec 2025 | Water |
| Bushnell | City of Bushnell - (IL) | Bushnell, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.0 MWh | May 1940 | Dec 2025 | Distillate Fuel Oil |
| Hiwassee Dam | Tennessee Valley Authority | Murphy, NC | Tennessee Valley Authority (TVA) | 213.5 GWh | Apr 1940 | May 2026 | Water |
| Austin | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 9.7 GWh | Mar 1940 | Dec 2025 | Water |
| Chickamauga | Tennessee Valley Authority | Chattanooga, TN | Tennessee Valley Authority (TVA) | 693.8 GWh | Feb 1940 | Dec 2025 | Water |
| Lamoni Municipal Utilities | City of Lamoni - (IA) | Lamoni, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.0 MWh | Feb 1940 | Dec 2025 | Distillate Fuel Oil |
| Phoenix | Pacific Gas & Electric Co. | Sonora, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1940 | Dec 2025 | Water |
| Angels | Utica Water & Power Authority | Angels Camp, CA | California Independent System Operator (CISO) | 5.9 GWh | Dec 1939 | Dec 2025 | Water |
| Chappell | City of Chappell - (NE) | Chappell, NE | Southwest Power Pool (SWPP) | 4.0 MWh | Dec 1939 | Dec 2025 | Distillate Fuel Oil |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Dec 1939 | Dec 2025 | Water |
| Yaleville | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Dec 1939 | Jul 2025 | Water |
| Ladysmith Dam | Northern States Power Co - Minnesota | Ladysmith, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.6 GWh | Dec 1939 | Dec 2025 | Water |
| French Island | Northern States Power Co - Minnesota | La Cross, WI | Midcontinent Independent System Operator, Inc. (MISO) | 65.3 GWh | Dec 1939 | May 2026 | Wood/Wood Waste Solids : 43.5% Non-biogenic Municipal Solid Waste : 25.3% Biogenic Municipal Solid Waste : 20.7% Distillate Fuel Oil : 10.2% |
| Fernandina Plant | Rayonier Advanced Materials | Fernandina Beach, FL | JEA (JEA) | 177.7 GWh | Nov 1939 | Dec 2025 | Wood Waste Liquids, excluding Black Liquor : 43.6% Wood/Wood Waste Solids : 37.9% Natural Gas : 14.6% Other Biomass Solids : 3.0% Tire-derived Fuels : 0.6% |
| Indiana Harbor West | Cleveland Cliffs | East Chicago, IN | Midcontinent Independent System Operator, Inc. (MISO) | 207.8 GWh | Sep 1939 | Dec 2025 | Natural Gas |
| Anita | City of Anita - (IA) | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 77.4 MWh | Sep 1939 | Dec 2025 | Distillate Fuel Oil |
| Guntersville | Tennessee Valley Authority | Guntersville, AL | Tennessee Valley Authority (TVA) | 509.1 GWh | Jul 1939 | Dec 2025 | Water |
| Swinging Bridge 2 | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 12.3 GWh | Jul 1939 | Dec 2025 | Water |
| Claytor | Appalachian Power Co | Radford, VA | PJM Interconnection, LLC (PJM) | 194.0 GWh | Jul 1939 | Dec 2025 | Water |
| Cumberland (WI) | City of Cumberland - (WI) | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 269.0 MWh | Jul 1939 | Dec 2025 | Distillate Fuel Oil : 62.7% Natural Gas : 37.3% |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 84.5 GWh | Jul 1939 | Dec 2025 | Water |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 63.5 GWh | Dec 1938 | Dec 2025 | Water |
| Anheuser-Busch St Louis | Anheuser-Busch Inc | St. Louis, MO | Midcontinent Independent System Operator, Inc. (MISO) | 38.1 GWh | Dec 1938 | May 2026 | Natural Gas : 93.0% Other Biomass Gas : 7.0% |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 79.1 GWh | Nov 1938 | Dec 2025 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.6 GWh | Sep 1938 | Dec 2025 | Water |
| Truman | City of Truman - (MN) | Truman, MN | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 MWh | Aug 1938 | Dec 2025 | Distillate Fuel Oil |
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | Bonneville Power Administration (BPAT) | 4.1 TWh | Jun 1938 | May 2026 | Water |
| Pickwick Landing Dam | Tennessee Valley Authority | Pickwick Dam, TN | Tennessee Valley Authority (TVA) | 1.3 TWh | May 1938 | Dec 2025 | Water |
| Pinnacles | Northbrook Virginia Hydro, LLC | Ararat, VA | PJM Interconnection, LLC (PJM) | 21.8 GWh | May 1938 | Dec 2025 | Water |
| Ubly | Thumb Electric Coop of Mich | Ubly, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.8 MWh | May 1938 | Dec 2024 | Distillate Fuel Oil : 63.3% Natural Gas : 36.7% |
| Ketchikan | Ketchikan Public Utilities | Ketchikan, AK | 22.6 GWh | Dec 1937 | Dec 2025 | Water | |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 118.0 GWh | Dec 1937 | May 2026 | Wood/Wood Waste Solids : 99.9% |
| West Campus Steam Plant | Penn State University | University Park, PA | PJM Interconnection, LLC (PJM) | 41.8 GWh | Dec 1937 | May 2026 | Natural Gas : 99.9% |
| Buchanan Dam (TX) | Lower Colorado River Authority | Buchanan Dam, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 29.2 GWh | Dec 1937 | Dec 2025 | Water |
| Inks | Lower Colorado River Authority | Buchanan Dam, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 14.3 GWh | Dec 1937 | Dec 2025 | Water |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Dec 1937 | Dec 2025 | Water |
| Winfield | Appalachian Power Co | Winfield, WV | PJM Interconnection, LLC (PJM) | 93.0 GWh | Dec 1937 | Dec 2025 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 11.8 GWh | Nov 1937 | Dec 2025 | Water |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 92.6 GWh | Aug 1937 | Dec 2025 | Water |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 21.9 GWh | Jul 1937 | Dec 2025 | Water |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 153.0 MWh | May 1937 | Dec 2025 | Natural Gas : 92.3% Distillate Fuel Oil : 7.7% |
| Blooming Prairie | City of Blooming Prairie - (MN) | Blooming Prairie, MN | Midcontinent Independent System Operator, Inc. (MISO) | 246.0 MWh | Apr 1937 | Dec 2025 | Distillate Fuel Oil |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 14.1 GWh | Jan 1937 | Dec 2025 | Water |
| Scotland Dam | FirstLight Power Resources Services LLC | Windham, CT | ISO New England (ISNE) | 3.8 GWh | Dec 1936 | Dec 2025 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 23.1 GWh | Dec 1936 | Dec 2025 | Water |
| Broken Bow | City of Broken Bow - (NE) | Broken Bow, NE | Southwest Power Pool (SWPP) | 21.0 MWh | Nov 1936 | Dec 2025 | Distillate Fuel Oil : 85.8% Natural Gas : 14.2% |
| Wheeler Dam | Tennessee Valley Authority | Town Creek, AL | Tennessee Valley Authority (TVA) | 1.2 TWh | Oct 1936 | Dec 2025 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 518.2 GWh | Sep 1936 | Dec 2025 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.3 TWh | Aug 1936 | May 2026 | Water |
| Hoover Dam (NV) | U S Bureau of Reclamation | Boulder City, NV | Western Area Power Administration - Desert Southwest Region (WALC) | 1.3 TWh | Aug 1936 | May 2026 | Water |
| Tennessee Eastman Operations | Eastman Chemical Co-TN Ops | Kingsport, TN | PJM Interconnection, LLC (PJM) | 1.0 TWh | Aug 1936 | May 2026 | Natural Gas : 63.9% Bituminous Coal : 34.5% Other Gas : 0.9% Sludge Waste : 0.7% |
| Wahoo | City of Wahoo - (NE) | Wahoo, NE | Southwest Power Pool (SWPP) | 42.0 MWh | Jul 1936 | Dec 2025 | Natural Gas : 64.7% Distillate Fuel Oil : 35.3% |
| Norris Dam | Tennessee Valley Authority | Norris, TN | Tennessee Valley Authority (TVA) | 416.3 GWh | Jun 1936 | Dec 2025 | Water |
| Cushing | City of Cushing - (OK) | Cushing, OK | Southwest Power Pool (SWPP) | 94.0 MWh | May 1936 | Dec 2025 | Natural Gas : 71.9% Distillate Fuel Oil : 28.1% |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 366.3 GWh | May 1936 | Dec 2025 | Water |
| Upriver Dam Hydro Plant | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 39.9 GWh | Dec 1935 | Dec 2025 | Water |
| Jackson (MO) | City of Jackson - (MO) | Jackson, MO | Midcontinent Independent System Operator, Inc. (MISO) | 202.0 MWh | Dec 1935 | Dec 2025 | Distillate Fuel Oil : 67.1% Natural Gas : 32.9% |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 124.6 GWh | Dec 1935 | Dec 2025 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 27.2 GWh | Dec 1935 | Dec 2025 | Water |
| Newport | Great Bay Hydro Corp | Newport, VT | ISO New England (ISNE) | 12.9 GWh | Dec 1935 | Dec 2025 | Water |
| London | Appalachian Power Co | Handley, WV | PJM Interconnection, LLC (PJM) | 64.1 GWh | Nov 1935 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |