Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.3 GWh | Sep 1994 | Oct 2024 | Water |
| Steel Solar LLC | Steel Solar, LLC | Plymouth, UT | Western Area Power Administration - Upper Great Plains West (WAUW) | 200.7 GWh | May 2024 | Sep 2025 | Solar |
| Silver Sage Windpower | Duke Energy Renewables Services | Cheyenne, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 104.1 GWh | Sep 2009 | Sep 2025 | Wind |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 137.0 GWh | Jul 1939 | 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 |
| Smithfield 3 | Greenbacker Renewable Energy Corporation | Milford, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 5.5 GWh | Jun 2023 | Dec 2024 | Solar |
| Shavano Falls Hydro Drop 4 | Shavano Falls Hydro LLC - Drop 4 Project | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 23.0 GWh | May 2015 | Oct 2024 | Water |
| Shavano Falls Hydro | Shavano Falls Hydro LLC | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 12.0 GWh | May 2015 | Oct 2024 | Water |
| SF Auto O1 | Autoliv ASP, Inc. | Ogden, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 218.0 MWh | Nov 2023 | Dec 2024 | Solar |
| SF Auto T1 | Autoliv ASP, Inc. | Tremonton, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.1 GWh | Nov 2023 | Dec 2024 | Solar |
| Smithfield 1 | Greenbacker Renewable Energy Corporation | Milford, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 8.5 GWh | Mar 2024 | Dec 2024 | Solar |
| Skylark | SR Clinch, LLC | Severance, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.1 GWh | Nov 2015 | Dec 2024 | Solar |
| South Canal Hydro-1 | Delta-Montrose Electric Association | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.9 GWh | May 2013 | Oct 2024 | Water |
| South Canal Hydro-3 | Delta-Montrose Electric Association | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 14.2 GWh | Jul 2013 | Oct 2024 | Water |
| SR Mavericks | SR Mavericks, LLC | Mead, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 15.3 GWh | Nov 2016 | Dec 2024 | Solar |
| SR Kersey II | SR Kersey II, LLC | Kersey, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.2 GWh | Nov 2019 | Dec 2024 | Solar |
| SR Kersey | SR Kersey, LLC | Kersey, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 7.7 GWh | Jul 2017 | Dec 2024 | Solar |
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.5 GWh | Aug 2022 | Dec 2024 | Solar |
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 330.1 GWh | Mar 2024 | Sep 2025 | Solar |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.9 GWh | Sep 1912 | Dec 2024 | Water |
| SR Rattlesnake | SR Rattlesnake, LLC | Platteville, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 15.3 GWh | Nov 2020 | Dec 2024 | Solar |
| SR Skylark B | SR Skylark B, LLC | Severance, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.0 GWh | Aug 2016 | Dec 2024 | Solar |
| SR Skylark C | SR Skylark C, LLC | Windsor, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.3 GWh | Nov 2019 | Dec 2024 | Solar |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 76.9 GWh | Sep 2003 | Sep 2025 | Wind |
| Sunflower Wind Project | Onward Energy | Mandan, ND | Western Area Power Administration - Rocky Mountain Region (WACM) | 426.4 GWh | Nov 2016 | Sep 2025 | Wind |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 153.3 GWh | Oct 1962 | Sep 2025 | Natural Gas : 99.9% |
| Sulphur Springs | MN8 Energy LLC | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 51.5 GWh | Nov 2016 | Dec 2024 | Solar |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.0 TWh | Feb 2001 | Sep 2025 | Natural Gas |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 354.8 GWh | Apr 2002 | Sep 2025 | Natural Gas |
| Siphon Drop Power Plant | Yuma County Water User's Association | Winterhaven, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 11.6 GWh | Aug 1987 | Dec 2024 | Water |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 53.7 GWh | Nov 2023 | Sep 2025 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.2 TWh | May 1985 | Sep 2025 | Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.5% |
| SR Bolivar | SR Bolivar, LLC | Bolivar, TN | Tennessee Valley Authority (TVA) | 6.3 GWh | Nov 2022 | Dec 2024 | Solar |
| SR Bell Buckle | SR Bell Buckle, LLC | Shelbyville, TN | Tennessee Valley Authority (TVA) | 69.9 GWh | Oct 2023 | Sep 2025 | Solar |
| SR Franklin, LLC | SR Franklin, LLC | Franklin, KY | Tennessee Valley Authority (TVA) | 4.9 GWh | Nov 2023 | Dec 2024 | Solar |
| Sr Byhalia, LLC | SR Byhalia, LLC | Byhalia, MS | Tennessee Valley Authority (TVA) | 10.1 GWh | Nov 2023 | Dec 2024 | Solar |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 120.8 GWh | Jan 1951 | Dec 2024 | Water |
| SR Canadaville, LLC | SR Canadaville, LLC | Collierville, TN | Tennessee Valley Authority (TVA) | 36.1 GWh | Feb 2024 | Dec 2024 | Solar |
| SR Clarksville II, LLC | SR Clarksville II, LLC | Clarksville, TN | Tennessee Valley Authority (TVA) | 8.6 GWh | Nov 2023 | Dec 2024 | Solar |
| SR Clarksville, LLC | SR Clarksville, LLC | Clarksville, TN | Tennessee Valley Authority (TVA) | 3.6 GWh | Nov 2023 | Dec 2024 | Solar |
| SR Greenville I | SR Greenville I, LLC | Limestone, TN | Tennessee Valley Authority (TVA) | 10.0 GWh | Nov 2022 | Dec 2024 | Solar |
| SR McKellar | SR McKellar, LLC | Denmark, TN | Tennessee Valley Authority (TVA) | 138.6 GWh | Jun 2023 | Sep 2025 | Solar |
| SR Paris | SR Paris, LLC | Paris, TN | Tennessee Valley Authority (TVA) | 13.7 GWh | Nov 2022 | Dec 2024 | Solar |
| SR Panola II, LLC | SR Panola II, LLC | Batesville, MS | Tennessee Valley Authority (TVA) | 3.9 GWh | Jun 2024 | Dec 2024 | Solar |
| SR Panola I, LLC | SR Panola I, LLC | Batesville, MS | Tennessee Valley Authority (TVA) | 4.4 GWh | Jun 2024 | Dec 2024 | Solar |
| SR White Pine, LLC | SR White Pine, LLC | White Pine, TN | Tennessee Valley Authority (TVA) | 2.3 GWh | Nov 2023 | Dec 2024 | Solar |
| SR Russellville | SR Russellville, LLC | Olmstead, KY | Tennessee Valley Authority (TVA) | 332.9 GWh | Aug 2024 | Sep 2025 | Solar |
| SR Washington I, LLC | SR Washington I, LLC | Jonesborough, TN | Tennessee Valley Authority (TVA) | 19.7 GWh | Nov 2021 | Dec 2024 | Solar |
| SR Marion, LLC | SR Marion, LLC | Dunlap, TN | Tennessee Valley Authority (TVA) | 1.7 GWh | Jan 2024 | Dec 2024 | Solar |
| SR Jonesborough | SR Jonesborough II, LLC | Jonesborough, TN | Tennessee Valley Authority (TVA) | 7.3 GWh | Nov 2018 | Sep 2025 | Solar |
| SR Jackson II | SR Jackson II, LLC | Jackson, TN | Tennessee Valley Authority (TVA) | 3.3 GWh | Jul 2022 | Dec 2024 | Solar |
| SR Innovation - NIKE PV | SR Innovation, LLC | Memphis, TN | Tennessee Valley Authority (TVA) | 3.4 GWh | Dec 2019 | Dec 2024 | Solar |
| SR Houston | SR Houston Holdings, LLC | Houston, MS | Tennessee Valley Authority (TVA) | 1.5 GWh | Nov 2016 | Sep 2025 | Solar |
| SR Greenville II | SR Greenville II, LLC | Greeneville, TN | Tennessee Valley Authority (TVA) | 9.4 GWh | Nov 2022 | Dec 2024 | Solar |
| Sand Valley Power Station | Energy Developments, Inc d/b/a EDL | Collinsville, AL | Tennessee Valley Authority (TVA) | 27.2 GWh | Oct 2013 | Dec 2024 | Landfill Gas |
| Santeetlah | Brookfield Smoky Mountain Hydropower LP | Robbinsville, NC | Tennessee Valley Authority (TVA) | 138.5 GWh | May 1928 | Dec 2024 | Water |
| Selmer Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 25.7 GWh | Sep 2014 | Sep 2025 | Solar |
| Selmer I | Selmer North Solar I, LLC | Selmer, TN | Tennessee Valley Authority (TVA) | 28.2 GWh | Nov 2016 | Sep 2025 | Solar |
| Selmer II | Selmer North Solar II, LLC | Selmer, TN | Tennessee Valley Authority (TVA) | 14.8 GWh | Nov 2016 | Sep 2025 | Solar |
| Somerville Solar | Somerville Solar, LLC | Somerville, TN | Tennessee Valley Authority (TVA) | 3.2 GWh | Aug 2019 | Dec 2024 | Solar |
| Sequoyah | Tennessee Valley Authority | Soddy Daisy, TN | Tennessee Valley Authority (TVA) | 11.9 TWh | Jun 1981 | Sep 2025 | Nuclear |
| Shawnee | Tennessee Valley Authority | West Paducah, KY | Tennessee Valley Authority (TVA) | 6.7 TWh | Mar 1953 | Sep 2025 | Subbituminous Coal : 99.9% |
| Scenic Hill Solar III | Scenic Hill Solar III LLC | Clarksville, AR | Southwestern Power Administration (SPA) | 9.6 GWh | Nov 2017 | Dec 2024 | Solar |
| Sikeston Power Station | City of Sikeston - (MO) | Sikeston, MO | Southwestern Power Administration (SPA) | 1.6 TWh | Aug 1981 | Sep 2025 | Subbituminous Coal : 99.9% |
| SR Camden | SR Camden, LLC | Camden, AR | Southwestern Power Administration (SPA) | 26.2 GWh | Nov 2015 | Sep 2025 | Solar |
| Stockton Hydro | USCE-Kansas City District | Stockton, MO | Southwestern Power Administration (SPA) | 53.0 GWh | Feb 1973 | Dec 2024 | Water |
| Stromsburg-Polk County | Today's Power, Inc. | Stromsburg, NE | Southwest Power Pool (SWPP) | 2.0 GWh | Oct 2023 | Dec 2024 | Solar |
| Stuart (NE) | City of Stuart - (NE) | Stuart, NE | Southwest Power Pool (SWPP) | 5.0 MWh | Dec 1951 | Dec 2024 | Distillate Fuel Oil : 86.1% Natural Gas : 13.9% |
| Sunray Wind I | Diamond Shamrock Refining Company LP | Sunray, TX | Southwest Power Pool (SWPP) | 129.7 GWh | Aug 2009 | Dec 2024 | Wind |
| Sunflower Energy Center, LLC | Sunflower Energy Center, LLC | Peabody, KS | Southwest Power Pool (SWPP) | 778.4 GWh | Sep 2023 | Sep 2025 | Wind |
| Sweetland Wind Farm, LLC | Sweetland Wind Farm, LLC | St. Lawrence, SD | Southwest Power Pool (SWPP) | 736.2 GWh | Sep 2023 | Sep 2025 | Wind |
| Spinning Spur Wind LLC | EDF Renewable Asset Holdings, Inc. | Vegas, TX | Southwest Power Pool (SWPP) | 334.2 GWh | Oct 2012 | Dec 2024 | Wind |
| Spirit Mound | Basin Electric Power Coop | Vermillion, SD | Southwest Power Pool (SWPP) | 2.2 GWh | May 1978 | Aug 2025 | Distillate Fuel Oil |
| South Harper | Evergy Missouri West | Kansas City, MO | Southwest Power Pool (SWPP) | 284.5 GWh | Jul 2005 | Dec 2024 | Natural Gas |
| Stuart (OK) | Peoples Electric Cooperative | McAlester, OK | Southwest Power Pool (SWPP) | 22.3 GWh | Mar 2023 | Dec 2024 | Natural Gas |
| Studebaker | Today's Power, Inc. | Fredonia, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Apr 2021 | Dec 2024 | Solar |
| Spearville 3 LLC | EDF Renewable Asset Holdings, Inc. | Spearville, KS | Southwest Power Pool (SWPP) | 170.4 GWh | Sep 2012 | Dec 2024 | Wind |
| Spearville | Evergy Metro | Ford, KS | Southwest Power Pool (SWPP) | 133.6 GWh | Aug 2006 | Dec 2024 | Wind |
| 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% |
| Southwestern | Public Service Co of Oklahoma | Anadarko, OK | Southwest Power Pool (SWPP) | 779.4 GWh | Jun 1952 | Dec 2024 | Natural Gas |
| Southwest Arkansas Electric | Today's Power, Inc. | Texarkana, AR | Southwest Power Pool (SWPP) | 2.2 GWh | Jan 2020 | Dec 2024 | Solar |
| Sundance Wind Project, LLC | Public Service Co of Oklahoma | Alva, OK | Southwest Power Pool (SWPP) | 584.6 GWh | Mar 2021 | Sep 2025 | Wind |
| South Sioux City Solar | Tesla Inc. | Dakota, NE | Southwest Power Pool (SWPP) | 3.9 GWh | Nov 2016 | Dec 2024 | Solar |
| St. George | Today's Power, Inc. | St. George, KS | Southwest Power Pool (SWPP) | 2.2 GWh | May 2021 | Dec 2024 | Solar |
| Stillwater Energy Center | Stillwater Utilities Authority | Stillwater, OK | Southwest Power Pool (SWPP) | 138.8 GWh | Jun 2016 | Dec 2024 | Natural Gas |
| Sooner | Oklahoma Gas & Electric Co | Red Rock, OK | Southwest Power Pool (SWPP) | 2.7 TWh | Oct 1979 | Sep 2025 | Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0% |
| St Francis | City of St Francis - (KS) | St Francis, KS | Southwest Power Pool (SWPP) | 19.6 MWh | Jul 1953 | Dec 2024 | Distillate Fuel Oil |
| St Joseph Landfill Generating Station | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 9.6 GWh | Nov 2011 | Dec 2024 | Landfill Gas |
| St. Paul-Howard Greeley | Today's Power, Inc. | St. Paul, NE | Southwest Power Pool (SWPP) | 2.4 GWh | Jul 2023 | Dec 2024 | Solar |
| State Line Combined Cycle | Empire District Electric Co | Joplin, MO | Southwest Power Pool (SWPP) | 2.2 TWh | Apr 1995 | Sep 2025 | Natural Gas : 99.9% |
| SPS5 Hopi | SunE SPS5, LLC | Carlsbad, NM | Southwest Power Pool (SWPP) | 22.0 GWh | Nov 2011 | Dec 2024 | Solar |
| SPPW1, LLC | SPPW1, LLC | Upland, NE | Southwest Power Pool (SWPP) | 25.2 GWh | Jun 2022 | Dec 2024 | Wind |
| SPS4 Monument | SunE SPS4, LLC | Monument, NM | Southwest Power Pool (SWPP) | 22.9 GWh | Nov 2011 | Dec 2024 | Solar |
| SPS3 Lea | SunE SPS3, LLC | Eunice, NM | Southwest Power Pool (SWPP) | 23.0 GWh | Oct 2011 | Dec 2024 | Solar |
| SPS2 Jal | SunE SPS2, LLC | Jal, NM | Southwest Power Pool (SWPP) | 21.1 GWh | Aug 2011 | Dec 2024 | Solar |
| Springview | Bluestem LLC | Springview, NE | Southwest Power Pool (SWPP) | 9.7 GWh | May 2011 | Dec 2024 | Wind |
| Spring Creek Energy Center | Evergy Kansas Central, Inc | Edmond, OK | Southwest Power Pool (SWPP) | 187.9 GWh | Apr 2001 | Dec 2024 | Natural Gas |
| Sterling I Wind Farm | AEM Wind LLC | Tatum, NM | Southwest Power Pool (SWPP) | 108.6 GWh | Jun 2017 | Sep 2025 | Wind |
| Sterling | City of Sterling - (KS) | Sterling, KS | Southwest Power Pool (SWPP) | 32.0 MWh | Jul 1950 | Dec 2024 | Natural Gas : 62.1% Distillate Fuel Oil : 37.9% |
| Steele Flats Wind Project LLC | Steele Flats Wind Project LLC | Diller, NE | Southwest Power Pool (SWPP) | 269.1 GWh | Sep 2013 | Sep 2025 | Wind |
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 |