Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Three W Solar | Three W Solar LLC | Hillsboro, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 27.8 GWh | - | May 2026 | Solar |
| Tower Solar, LLC | Avangrid Power LLC | Boardman, OR | Bonneville Power Administration (BPAT) | 35.7 GWh | - | May 2026 | Solar |
| Trumbull Energy Center | Clean Energy Future - Trumbull, LLC. | Warren, OH | PJM Interconnection, LLC (PJM) | 569.2 GWh | - | May 2026 | Natural Gas |
| Twelvemile Solar 1 | Leeward Asset Management, LLC | Tulsa, OK | Southwest Power Pool (SWPP) | 61.7 GWh | - | May 2026 | Solar |
| Twelvemile Solar 2 | Leeward Asset Management, LLC | Durant, OK | Southwest Power Pool (SWPP) | 30.1 GWh | - | May 2026 | Solar |
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 11.8 GWh | Dec 1904 | Dec 2025 | Water |
| Tacoma | Public Service Co of Colorado | Durango, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 1.9 GWh | May 1905 | Dec 2025 | Water |
| Taftville | FirstLight Power Resources Services LLC | Taftville, CT | ISO New England (ISNE) | 2.2 GWh | Dec 1905 | Dec 2025 | Water |
| Thomson | ALLETE, Inc. | Carlton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 198.2 GWh | Dec 1906 | Dec 2025 | Water |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 51.8 GWh | Jul 1912 | Dec 2025 | Water |
| Taylorville | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 20.7 GWh | Dec 1912 | Dec 2025 | Water |
| Tallulah Falls | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 106.2 GWh | Aug 1913 | Dec 2025 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 439.8 GWh | Jun 1915 | Dec 2025 | Water |
| Trenton Falls | Erie Boulevard Hydropower LP | Barneveld, NY | New York Independent System Operator (NYIS) | 118.0 GWh | Dec 1918 | Dec 2025 | Water |
| Tunnel | FirstLight Power Resources Services LLC | Preston, CT | ISO New England (ISNE) | 5.9 GWh | Dec 1918 | Dec 2025 | Water |
| Tugalo | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 93.9 GWh | Sep 1923 | 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 |
| Terrora | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 38.2 GWh | Feb 1925 | Dec 2025 | Water |
| Theresa Plant | Energen Renewables, LLC | Theresa, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Dec 1926 | Dec 2025 | Water |
| Thornapple | Northern States Power Co - Minnesota | Bruce, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | Dec 1926 | Dec 2025 | Water |
| Trego | Northern States Power Co - Minnesota | Hayward, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Dec 1926 | Dec 2025 | Water |
| Thief River Falls | City of Thief River Falls - (MN) | Thief River Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Jul 1927 | Dec 2024 | Water : 99.6% |
| Tillery | Duke Energy Progress - (NC) | Mount Gilead, NC | Duke Energy Progress East (CPLE) | 117.7 GWh | Jul 1928 | Dec 2025 | Water |
| Thurlow Dam | Alabama Power Co | Tallassee, AL | Southern Company Services, Inc. - Trans (SOCO) | 191.0 GWh | Dec 1930 | Dec 2025 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 215.7 GWh | May 1931 | Dec 2025 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 43.5 GWh | Feb 1935 | Dec 2025 | 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% |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Dec 1937 | 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 |
| Thorpe | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 59.8 GWh | Sep 1941 | Dec 2025 | Water |
| Toketee Falls | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 208.4 GWh | Nov 1949 | Dec 2025 | Water |
| Trinidad (CO) | City of Trinidad - (CO) | Trinidad, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.0 MWh | Apr 1950 | Dec 2025 | Distillate Fuel Oil |
| Tuckasegee | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 4.5 GWh | Apr 1950 | Dec 2025 | Water |
| Teche | Cleco Power LLC | Baldwin, LA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Jun 1953 | Dec 2025 | Natural Gas |
| Tesoro Mandan Cogeneration Plant | Tesoro Refining and Marketing Co LLC | Mandan, ND | Southwest Power Pool (SWPP) | 50.4 GWh | Sep 1954 | May 2026 | Other Gas : 62.0% Natural Gas : 38.0% |
| Tennessee Creek | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 33.8 GWh | Apr 1955 | Dec 2025 | Water |
| Tipton | City of Tipton - (IA) | Tipton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 266.0 MWh | Oct 1955 | Dec 2025 | Distillate Fuel Oil |
| Tulsa | Public Service Co of Oklahoma | Tulsa, OK | Southwest Power Pool (SWPP) | 384.5 GWh | Oct 1956 | Dec 2024 | Natural Gas |
| The Dalles | USACE Northwestern Division | The Dalles, OR | Bonneville Power Administration (BPAT) | 6.5 TWh | May 1957 | May 2026 | Water |
| Tulloch | Oakdale&South San Joaquin Irrigation D. | Jamestown, CA | California Independent System Operator (CISO) | 103.2 GWh | May 1958 | Dec 2025 | Water |
| Table Rock | USCE-Little Rock District | Branson, MO | Southwestern Power Administration (SPA) | 367.8 GWh | Apr 1959 | Dec 2024 | Water |
| Tuckertown Hydro | Eagle Creek Renewable Energy, LLC | New London, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 95.7 GWh | Mar 1962 | Dec 2025 | Water |
| Traer Main | City of Traer - (IA) | Traer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 65.0 MWh | Dec 1962 | Dec 2025 | Distillate Fuel Oil : 98.5% Natural Gas : 1.5% |
| Thomas Fitzhugh | Arkansas Electric Coop Corp | Ozark, AR | Southwest Power Pool (SWPP) | 472.3 GWh | Apr 1963 | Dec 2025 | Natural Gas |
| Tracy | Sierra Pacific Power Co | Sparks, NV | Nevada Power Company (NEVP) | 3.7 TWh | Jul 1963 | May 2026 | Natural Gas |
| Trinity | U S Bureau of Reclamation | Weaverville, CA | Balancing Authority of Northern California (BANC) | 475.6 GWh | Jan 1964 | May 2026 | Water |
| Trinidad (TX) | Luminant Generation Company LLC | Trinidad, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 431.9 GWh | Apr 1965 | Dec 2025 | Natural Gas |
| T B Simon Power Plant | Michigan State University | East Lansing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 262.8 GWh | Nov 1965 | May 2026 | Natural Gas |
| Thomas Hill | Associated Electric Coop, Inc | Clifton Hill, MO | Associated Electric Cooperative, Inc. (AECI) | 6.3 TWh | Nov 1966 | May 2026 | Subbituminous Coal : 99.9% |
| Turkey Point | Florida Power & Light Co | Homestead, FL | Florida Power & Light Co. (FPL) | 19.8 TWh | Mar 1967 | May 2026 | Nuclear : 64.2% Natural Gas : 35.8% |
| Tait Electric Generating Station | Kimura Power LLC | Moraine, OH | PJM Interconnection, LLC (PJM) | 957.6 GWh | Apr 1967 | Dec 2025 | Natural Gas : 99.7% |
| Tenth Street | City of Norwich - (CT) | Norwich, CT | ISO New England (ISNE) | 1.9 GWh | Apr 1967 | Dec 2025 | Water |
| T H Wharton | NRG Texas Power LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 655.1 GWh | Jun 1967 | May 2026 | Natural Gas |
| Torrington | Connecticut Jet Power LLC | Torrington, CT | ISO New England (ISNE) | 277.0 MWh | Oct 1967 | Dec 2025 | Kerosene |
| Thermalito | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 302.3 GWh | Jan 1968 | May 2026 | Water |
| Ticonderoga Mill | Sylvamo North America LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 209.4 GWh | Dec 1969 | May 2026 | Natural Gas : 55.0% Black Liquor : 36.7% Residual Fuel Oil : 4.9% Wood/Wood Waste Solids : 3.4% |
| The Mount Sinai Hospital | Mount Sinai Hospital | New York, NY | New York Independent System Operator (NYIS) | 184.0 MWh | May 1970 | Dec 2024 | Distillate Fuel Oil |
| TalenEnergy Montour | TalenEnergy Montour LLC | Washingtonville, PA | PJM Interconnection, LLC (PJM) | 4.7 TWh | Jan 1971 | May 2026 | Natural Gas |
| Tower | Wolverine Power Supply Coop | Tower, MI | Midcontinent Independent System Operator, Inc. (MISO) | 61.0 MWh | Feb 1971 | Dec 2025 | Distillate Fuel Oil |
| TalenEnergy Martins Creek | TalenEnergy Martins Creek LLC | Bangor, PA | PJM Interconnection, LLC (PJM) | 2.8 TWh | May 1971 | May 2026 | Natural Gas : 94.9% Residual Fuel Oil : 4.9% |
| Tinker | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 10.2 GWh | May 1971 | Dec 2025 | Natural Gas |
| Tims Ford | Tennessee Valley Authority | Winchester, TN | Tennessee Valley Authority (TVA) | 41.2 GWh | Feb 1972 | Dec 2025 | Water |
| Tasley | Calpine Mid-Atlantic Generation LLC | Tasley, VA | PJM Interconnection, LLC (PJM) | 2.6 GWh | May 1972 | Dec 2025 | Distillate Fuel Oil |
| Texas Petrochemicals | TPC Group, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 240.7 GWh | May 1972 | Dec 2025 | Natural Gas : 85.3% Other Gas : 14.7% |
| Tolna | Tolna Power, LLC | New Freedom, PA | PJM Interconnection, LLC (PJM) | 2.3 GWh | May 1972 | Dec 2025 | Distillate Fuel Oil |
| Transalta Centralia Generation | TransAlta Centralia Gen LLC | Centralia, WA | Bonneville Power Administration (BPAT) | 3.2 TWh | Nov 1972 | Dec 2025 | Subbituminous Coal : 99.7% |
| Tangier | A & N Electric Coop | Tangier, VA | PJM Interconnection, LLC (PJM) | 177.0 MWh | Apr 1974 | Dec 2025 | Distillate Fuel Oil |
| Trenton North | Trenton Municipal Utilities - (MO) | Trenton, MO | Southwest Power Pool (SWPP) | 55.0 MWh | May 1974 | Dec 2025 | Distillate Fuel Oil |
| Turlock Lake | Turlock Irrigation District | Hickman, CA | Turlock Irrigation District (TIDC) | 3.2 GWh | Jun 1980 | Dec 2025 | Water |
| Thundermist Hydro | City of Woonsocket - (RI) | Providence, RI | ISO New England (ISNE) | 3.3 GWh | May 1981 | Jul 2025 | Water |
| Texon Hydroelectric Project | Hitchcock Hydro, LLC | Russell, MA | ISO New England (ISNE) | 3.9 GWh | Dec 1981 | Dec 2025 | Water |
| Tolk | Southwestern Public Service Co | Muleshoe, TX | Southwest Power Pool (SWPP) | 3.1 TWh | Dec 1981 | May 2026 | Subbituminous Coal : 86.6% Natural Gas : 13.4% |
| Taft 26C Cogen | Chevron USA Inc | Taft, CA | California Independent System Operator (CISO) | 43.2 GWh | Jun 1982 | May 2026 | Natural Gas |
| Tesoro Hawaii | PAR Petroleum | Kapolei, HI | (NA) | 154.1 GWh | Nov 1982 | May 2026 | Waste/Other Oil : 94.3% Distillate Fuel Oil : 5.7% |
| The Bank of New York | The Bank of New York | New York, NY | New York Independent System Operator (NYIS) | 47.0 MWh | Dec 1982 | Dec 2025 | Distillate Fuel Oil |
| TalenEnergy Susquehanna | TalenEnergy Susquehanna LLC | Berwick, PA | PJM Interconnection, LLC (PJM) | 19.3 TWh | May 1983 | May 2026 | Nuclear |
| Tamarack Energy | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 13.7 GWh | May 1983 | May 2026 | Wood/Wood Waste Solids |
| Temescal | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 14.4 GWh | Jun 1983 | Apr 2025 | Water |
| Tyee Lake Hydroelectric Facility | Southeast Alaska Power Agency | Wrangell, AK | (NA) | 103.4 GWh | Jun 1983 | Dec 2025 | Water |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 72.9 GWh | Aug 1983 | May 2026 | Other Gas : 61.0% Waste Heat : 39.0% |
| Texas Gulf Sulphur | Wharton County Generation LLC | NewGulf, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.6 GWh | Mar 1984 | Dec 2025 | Natural Gas |
| Tehachapi Wind Resource I | CalWind Resources Inc | Tehachapi, CA | California Independent System Operator (CISO) | 12.3 GWh | Nov 1984 | Dec 2025 | Wind |
| Terror Lake Microgrid | Kodiak Electric Assn Inc | Kodiak, AK | 147.3 GWh | Nov 1984 | Dec 2025 | Water | |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| Tok | Alaska Power and Telephone Co | Tok, AK | 11.4 GWh | Sep 1985 | Dec 2024 | Distillate Fuel Oil | |
| Talcville | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 616.0 MWh | Dec 1985 | Dec 2025 | Water |
| Total Energy Facilities | Los Angeles County Sanitation | Carson, CA | California Independent System Operator (CISO) | 156.5 GWh | Dec 1985 | Dec 2025 | Other Biomass Gas : 94.7% Natural Gas : 5.3% |
| Toyon Power Station | Toyon Landfill Gas Conversion, LLC | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 5.0 GWh | Dec 1985 | Dec 2025 | Landfill Gas |
| Toadtown | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 1.8 GWh | Mar 1986 | Oct 2025 | Water |
| Toledo Ref Power Recovery Train | Toledo Refining Company | Oregon, OH | PJM Interconnection, LLC (PJM) | 81.5 MWh | May 1986 | Jul 2025 | Petroleum Coke |
| Tallassee Hydro Project | Tallassee Shoals LLC | Clarke, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.9 GWh | Jul 1986 | May 2026 | Water |
| Togiak | Alaska Village Elec Coop, Inc | Togiak, AK | 2.8 GWh | Oct 1986 | Dec 2025 | Distillate Fuel Oil | |
| TPC Windfarms LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 42.1 GWh | Nov 1986 | Dec 2025 | Wind |
| Texas City Power Plant | Texas City Cogeneration LLC | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.3 TWh | Apr 1987 | May 2026 | Natural Gas |
| Twin Rivers Paper Co LLC | Twin Rivers Paper Co LLC | Madawaska, ME | (NBSO) | 102.8 GWh | Apr 1987 | May 2026 | Purchased Steam |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 10.3 GWh | Jun 1987 | Dec 2025 | Water |
| Townsend Hydro | Beaver Falls Municipal Auth - (PA) | New Brighton, PA | PJM Interconnection, LLC (PJM) | 14.2 GWh | Sep 1987 | Dec 2025 | Water |
| Twin Reservoirs | City of Walla Walla - (WA) | Walla Walla, WA | Bonneville Power Administration (BPAT) | 6.9 GWh | Mar 1988 | Dec 2025 | Water |
| Tesoro Kenai Cogeneration Plant | Tesoro Alaska Company LLC | Kenai, AK | 39.7 GWh | Oct 1988 | May 2026 | Natural Gas | |
| Ticona Polymers Inc | Ticona Polymers Inc | Bishop, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 227.3 GWh | Mar 1989 | Dec 2025 | Natural Gas |
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 |