Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 173.3 GWh | Nov 2018 | Sep 2025 | Solar |
| Sweetwater Wind 1 LLC | Leeward Asset Management, LLC | Sweetwater, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 140.8 GWh | Nov 2003 | Dec 2024 | Wind |
| Sweetwater Wind 2 LLC | Leeward Asset Management, LLC | Sweetwater, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 340.6 GWh | Jan 2005 | Dec 2024 | Wind |
| Sweetwater Wind 3 LLC | Leeward Asset Management, LLC | Sweetwater, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 470.0 GWh | Nov 2005 | Dec 2024 | Wind |
| Sweetwater Wind 4 LLC | Leeward Asset Management, LLC | Roscoe, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 644.6 GWh | Apr 2007 | Sep 2025 | Wind |
| Sweetwater Wind 5 | Leeward Asset Management, LLC | Roscoe, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 163.2 GWh | Nov 2007 | Dec 2024 | Wind |
| Swift 1 | PacifiCorp | Cougar, WA | PacifiCorp West (PACW) | 459.1 GWh | Nov 1958 | Sep 2025 | Water |
| Swift Air Solar I | Origis Energy USA, Inc | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 228.1 GWh | - | Sep 2025 | Solar |
| Swift Creek | Lower Valley Energy Inc | Afton, WY | Bonneville Power Administration (BPAT) | 6.5 GWh | Mar 2009 | Dec 2024 | Water |
| Swift Creek Chemical Complex | White Springs Agrici Chem Inc | White Springs, FL | Duke Energy Florida, Inc. (FPC) | 84.9 GWh | Dec 1979 | Sep 2025 | Other Fuel : 91.9% Natural Gas : 8.1% |
| Swinging Bridge 2 | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 16.3 GWh | Jul 1939 | Dec 2024 | Water |
| SWM Fuel Cell | Yaphank Fuel Cell Park, LLC | Yaphank, NY | New York Independent System Operator (NYIS) | 55.6 GWh | Nov 2021 | Dec 2024 | Natural Gas |
| Sycamore | Madison Energy Investments LLC | Sycamore, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2023 | Dec 2024 | Solar |
| Sycamore Cogeneration | Sycamore Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 304.3 GWh | Nov 1987 | Sep 2025 | Natural Gas |
| Sycamore Energy LLC | Sycamore Energy LLC | Santee, CA | California Independent System Operator (CISO) | 23.1 GWh | Mar 2004 | Dec 2024 | Landfill Gas |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 GWh | Jul 1974 | Dec 2024 | Natural Gas |
| Sycamore Solar | Dominion Energy Inc. | Gretna, VA | PJM Interconnection, LLC (PJM) | 85.5 GWh | Feb 2023 | Sep 2025 | Solar |
| Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 MWh | Nov 1967 | Dec 2024 | Natural Gas |
| Sydney Solar | Ecos Energy LLC | Hampton, CT | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2024 | Solar |
| Syl Laskin | ALLETE, Inc. | Hoyt Lakes, MN | Midcontinent Independent System Operator, Inc. (MISO) | 172.0 GWh | May 1953 | Dec 2024 | Natural Gas |
| Sylvamo Corporation Eastover Facility | Sylvamo Corporation - Eastover | Eastover, SC | Dominion Energy South Carolina, Inc. (SCEG) | 520.1 GWh | Mar 1984 | Sep 2025 | Black Liquor : 72.3% Wood/Wood Waste Solids : 17.4% Natural Gas : 9.7% Waste/Other Oil : 0.6% |
| Sylvan | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Dec 1912 | Dec 2024 | Water |
| Sylvan Solar | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 25.0 GWh | Jun 2023 | Dec 2024 | Solar |
| Sylvarena | Cooperative Energy | Raleigh, MS | Midcontinent Independent System Operator, Inc. (MISO) | 294.3 GWh | Jun 2003 | Dec 2024 | Natural Gas |
| Syncarpha Blandford Hybrid CSG | Syncarpha Blandford, LLC | Blandford, MA | ISO New England (ISNE) | 8.5 GWh | Nov 2019 | Dec 2024 | Solar |
| Syncarpha Clara City CSG I (Stamer) | Clara City CSG I, LLC | Clara City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2018 | Dec 2024 | Solar |
| Syncarpha Dodge 1 CSG | Solar Provider Group MN I LLC | Dodge Center, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Apr 2019 | Dec 2024 | Solar |
| Syncarpha Eagle Nest | Syncarpha Eagle Nest I, LLC | Eagle Nest, NM | Public Service Company of New Mexico (PNM) | 1.9 GWh | Oct 2018 | Dec 2024 | Solar |
| Syncarpha El Rito | Syncarpha El Rito I, LLC | El Rito, NM | Public Service Company of New Mexico (PNM) | 3.5 GWh | Nov 2019 | Dec 2024 | Solar |
| Syncarpha Freetown | Marie's Way Solar I, LLC | Freetown, MA | ISO New England (ISNE) | 6.2 GWh | Oct 2016 | Dec 2024 | Solar |
| Syncarpha Halifax Hybrid CSG | Syncarpha Halifax, LLC | Halifax, MA | ISO New England (ISNE) | 2.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Syncarpha Hancock I CSG | Syncarpha Hancock I, LLC | Hancock, MA | ISO New England (ISNE) | 3.1 GWh | Oct 2017 | Dec 2024 | Solar |
| Syncarpha Hancock II CSG | Syncarpha Hancock II, LLC | Hancock, MA | ISO New England (ISNE) | 3.2 GWh | Oct 2017 | Dec 2024 | Solar |
| Syncarpha Hancock III CSG | Syncarpha Hancock III, LLC | Pittsfield, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2024 | Solar |
| Syncarpha Leicester Hybrid CSG | Syncarpha Leicester, LLC | Leicester, MA | ISO New England (ISNE) | 4.6 GWh | May 2021 | Dec 2024 | Solar |
| Syncarpha Millbury Hybrid (CSG) | Syncarpha Millbury, LLC | Millbury, MA | ISO New England (ISNE) | 7.9 GWh | Sep 2022 | Dec 2024 | Solar |
| Syncarpha Northampton Hybrid CSG | Syncarpha Northampton, LLC | Northampton, MA | ISO New England (ISNE) | 4.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Syncarpha Northbridge I Hybrid(CSG) | Syncarpha Northbridge I, LLC | Whitinsville, MA | ISO New England (ISNE) | 8.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Syncarpha Northbridge II Hybrid CSG | Syncarpha Northbridge II, LLC | Whitinsville, MA | ISO New England (ISNE) | 8.4 GWh | Mar 2021 | Dec 2024 | Solar |
| Syncarpha Palmer, LLC | Syncarpha Palmer, LLC | Palmer, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2015 | Dec 2024 | Solar |
| Syncarpha Prinsburg CSG (Ledeboer) | Prinsburg CSG I, LLC | Prinsburg, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2018 | Dec 2024 | Solar |
| Syncarpha Puddon I Hybrid CSG | Syncarpha Puddon I, LLC | Northbridge, MA | ISO New England (ISNE) | 8.5 GWh | Feb 2021 | Dec 2024 | Solar |
| Syncarpha Puddon II Hybrid CSG | Syncarpha Puddon II, LLC | Northbridge, MA | ISO New England (ISNE) | 9.1 GWh | Feb 2021 | Dec 2024 | Solar |
| Syncarpha Questa | Syncarpha Questa I, LLC | Cerro, NM | Public Service Company of New Mexico (PNM) | 3.7 GWh | Dec 2019 | Dec 2024 | Solar |
| Syncarpha Still River, LLC CSG | Syncarpha Still River, LLC | Bolton, MA | ISO New England (ISNE) | 3.6 GWh | Nov 2016 | Dec 2024 | Solar |
| Syncarpha Taos | Syncarpha Taos I, LLC | Taos, NM | Public Service Company of New Mexico (PNM) | 7.9 GWh | Apr 2020 | Dec 2024 | Solar |
| Syncarpha Tewksbury Hybrid CSG | Syncarpha Tewksbury, LLC | Tewksbury, MA | ISO New England (ISNE) | 4.2 GWh | Jan 2022 | Dec 2024 | Solar |
| Syncarpha Westminster Hybrid CSG | Syncarpha Westminster, LLC | Westminster, MA | ISO New England (ISNE) | 6.7 GWh | Oct 2022 | Dec 2024 | Solar |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 7.9 GWh | Jun 2019 | Dec 2024 | Solar |
| Synergy Biogas | CH4 Biogas LLC | Wyoming, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Nov 2011 | Dec 2024 | Other Biomass Gas |
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 |