Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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 |
| San Manuel Central Plant Cogens | Yuhaaviatam of San Manuel Nation | Highland, CA | California Independent System Operator (CISO) | 27.2 GWh | May 2021 | Dec 2024 | Natural Gas |
| 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 |
| SC 1 Data Center, Phase 2 | Xeres Ventures LLC | Santa Clara, CA | California Independent System Operator (CISO) | 2.3 GWh | Aug 2011 | Sep 2025 | Distillate Fuel Oil |
| Sumpter | Wolverine Power Supply Coop | Belleville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 190.1 GWh | Jun 2002 | Dec 2024 | Natural Gas |
| Superior Landfill Gas Recovery | WM Renewable Energy LLC | Savannah, GA | Southern Company Services, Inc. - Trans (SOCO) | 50.0 GWh | Oct 2009 | Dec 2024 | Landfill Gas |
| Suburban Landfill Gas Recovery | WM Renewable Energy LLC | Glenford, OH | PJM Interconnection, LLC (PJM) | 28.2 GWh | Dec 2010 | Dec 2024 | Landfill Gas |
| Springhill Gas Recovery Plant | WM Renewable Energy LLC | Campbellton, FL | Southern Company Services, Inc. - Trans (SOCO) | 35.3 GWh | Apr 2006 | Dec 2024 | Landfill Gas |
| Spruce Ridge Gas Recovery | WM Renewable Energy LLC | Glencoe, MN | Midcontinent Independent System Operator, Inc. (MISO) | 22.4 GWh | Mar 2008 | Dec 2024 | Landfill Gas |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 21.5 GWh | Sep 1988 | Dec 2024 | Landfill Gas |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 GWh | Dec 1924 | Dec 2024 | Water |
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 202.6 GWh | Nov 2023 | Sep 2025 | Solar |
| South Fond Du Lac | Wisconsin Power & Light Co | Fond du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 GWh | Apr 1993 | Dec 2024 | Natural Gas : 98.0% Distillate Fuel Oil : 2.0% |
| Sheboygan Falls | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 642.5 GWh | May 2005 | Dec 2024 | Natural Gas |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 TWh | Nov 1959 | Sep 2025 | Subbituminous Coal : 99.7% |
| Spring Prairie Solar WI, LLC | Wisconsin Electric Power Co | Burlington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Nov 2023 | May 2024 | Solar |
| Silver Lake Solar WI, LLC | Wisconsin Electric Power Co | Salem, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2023 | May 2024 | Solar |
| 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% |
| Source Power NY II - Whaling | Whaling Solar, LLC | Utica, NY | New York Independent System Operator (NYIS) | 5.1 GWh | Aug 2023 | Dec 2024 | Solar |
| Seminole Mill | WestRock Seminole | Jacksonville, FL | JEA (JEA) | 138.7 GWh | Jan 1957 | Dec 2024 | Natural Gas |
| Solar Blue | Westlands Solar Blue (OZ) Owner, LLC | Lemoore, CA | California Independent System Operator (CISO) | 658.1 GWh | Nov 2023 | Sep 2025 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 805.0 MWh | Nov 2010 | Dec 2024 | Solar |
| Shawnee - GA | Westbound Solar LLC | Waynesboro, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.3 GWh | Sep 2020 | Dec 2024 | Solar |
| Sutter Home Winery GIR | Westbound Solar 3, LLC | American Canyon, CA | California Independent System Operator (CISO) | 1.8 GWh | Jul 2023 | Dec 2024 | Solar |
| Solvay Solar | West Deptford Distributed Solar, LLC | West Deptford, NJ | PJM Interconnection, LLC (PJM) | 8.1 GWh | Dec 2019 | Dec 2024 | Solar |
| Stanton Energy Reliability Center Hybrid | Wellhead Services, Inc | Stanton, CA | California Independent System Operator (CISO) | 1.7 GWh | Jun 2020 | Sep 2025 | Natural Gas |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 58.7 GWh | Sep 2022 | Dec 2024 | Wind |
| South Plant (IA) | Waverly Municipal Elec Utility | Waverly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 51.0 MWh | Apr 2000 | Dec 2024 | Distillate Fuel Oil |
| Salt Palace Solar Gen Plant | Wasatch View Solar LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 1.2 GWh | Apr 2012 | Dec 2024 | Solar |
| Shelter Creek Condominiums Solar | Vista Solar, Inc. | San Bruno, CA | California Independent System Operator (CISO) | 3.5 GWh | Jan 2020 | Dec 2024 | Solar |
| Southampton Power Station | Virginia Electric & Power Co | Franklin, VA | PJM Interconnection, LLC (PJM) | 318.5 GWh | Feb 1992 | Dec 2024 | Wood/Wood Waste Solids : 99.7% |
| Surry | Virginia Electric & Power Co | Surry, VA | PJM Interconnection, LLC (PJM) | 14.0 TWh | Nov 1972 | Sep 2025 | Nuclear |
| 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% |
| Spruance Operating Services LLC | Veolia Energy Operating Service | Richmond, VA | PJM Interconnection, LLC (PJM) | 61.9 GWh | Apr 1992 | Sep 2025 | Natural Gas |
| Stock Island | Utility Board of Key West City | Stock Island, FL | Florida Municipal Power Pool (FMPP) | 3.4 GWh | Oct 1978 | Dec 2024 | Distillate Fuel Oil |
| Spanish Fork Community Solar | Utah Municipal Power Agency | Spanish Fork, UT | PacifiCorp East (PACE) | 7.3 GWh | Jun 2021 | Dec 2024 | Solar |
| San Emidio | USG Nevada LLC | Gerlach, NV | Nevada Power Company (NEVP) | 83.8 GWh | Apr 2012 | Dec 2024 | Geothermal |
| South Robeson Farm | USF Surry, LLC | Rowland, NC | Duke Energy Progress East (CPLE) | 7.0 GWh | May 2012 | Dec 2024 | Solar |
| Sarah Solar | USF Surry, LLC | Louisburg, NC | Duke Energy Progress East (CPLE) | 7.1 GWh | Jun 2015 | Dec 2024 | Solar |
| Stockton Hydro | USCE-Kansas City District | Stockton, MO | Southwestern Power Administration (SPA) | 53.0 GWh | Feb 1973 | Dec 2024 | Water |
| Sam Rayburn Dam | USACE-Fort Worth District | Jasper, TX | Midcontinent Independent System Operator, Inc. (MISO) | 198.5 GWh | Aug 1965 | Dec 2024 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 155.2 GWh | Jun 1932 | Dec 2024 | Water |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | South Carolina Public Service Authority (SC) | 258.6 GWh | Feb 1985 | Dec 2024 | Water |
| Spring Prairie Solar LLC CSG | United States Solar Corporation | Glyndon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Apr 2024 | Dec 2024 | Solar |
| Sioux | Union Electric Co - (MO) | West Alton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 TWh | Apr 1967 | Sep 2025 | Subbituminous Coal : 73.2% Bituminous Coal : 26.7% |
| 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 |
| Shasta | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 2.4 TWh | May 1944 | Sep 2025 | Water |
| Spring Creek | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 375.4 GWh | Dec 1963 | Sep 2025 | 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 |
| 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 |
| Stampede | U S Bureau of Reclamation | Truckee, CA | Nevada Power Company (NEVP) | 15.6 GWh | Dec 1987 | Sep 2025 | Water |
| Security | TX LFG Energy, LP | Cleveland, TX | Midcontinent Independent System Operator, Inc. (MISO) | 6.2 GWh | Feb 2003 | Dec 2024 | Landfill Gas |
| 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% |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 85.5 GWh | Apr 1986 | Dec 2024 | Water |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 2.2 GWh | Aug 1990 | Dec 2024 | Water |
| Stafford MS Ground Mount Community Solar | Town of Stafford - (CT) | Stafford, CT | ISO New England (ISNE) | 3.1 GWh | Jun 2016 | Dec 2024 | Solar |
| Shrewsbury | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 34.0 MWh | Oct 1969 | Dec 2024 | Distillate Fuel Oil |
| South Cary WRF Solar Array | Town Of Cary | Apex, NC | Duke Energy Progress East (CPLE) | 2.0 GWh | Nov 2012 | Dec 2024 | Solar |
| Snowden | Town of Bedford - (VA) | Big Island, VA | PJM Interconnection, LLC (PJM) | 13.9 GWh | Jul 1987 | Dec 2024 | Water |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.8 GWh | Jun 2022 | Dec 2024 | Solar |
| South Central Electric Cooperative | Today's Power, Inc. | Arkadelphia, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jul 2019 | Dec 2024 | Solar |
| Solomon-DS&O | Today's Power, Inc. | Solomon, KS | Southwest Power Pool (SWPP) | 2.4 GWh | Apr 2023 | Dec 2024 | Solar |
| Southwest Arkansas Electric | Today's Power, Inc. | Texarkana, AR | Southwest Power Pool (SWPP) | 2.2 GWh | Jan 2020 | Dec 2024 | Solar |
| SAU Tech | Today's Power, Inc. | Bearden, AR | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Jun 2019 | Dec 2024 | Solar |
| Star City School District | Today's Power, Inc. | Star City, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Aug 2021 | Dec 2024 | Solar |
| St. Paul-Howard Greeley | Today's Power, Inc. | St. Paul, NE | Southwest Power Pool (SWPP) | 2.4 GWh | Jul 2023 | Dec 2024 | Solar |
| Studebaker | Today's Power, Inc. | Fredonia, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Apr 2021 | Dec 2024 | Solar |
| Stromsburg-Polk County | Today's Power, Inc. | Stromsburg, NE | Southwest Power Pool (SWPP) | 2.0 GWh | Oct 2023 | Dec 2024 | Solar |
| St. George | Today's Power, Inc. | St. George, KS | Southwest Power Pool (SWPP) | 2.2 GWh | May 2021 | Dec 2024 | Solar |
| Source Power NY III - Medina II (CSG) | TJA-NY-11202 Ridge Rd Medina, LLC | Medina, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Jan 2024 | Dec 2024 | Solar |
| SSD Marion 6, LLC | Thor Solar 1 CEI, LLC | Aurora, OR | Portland General Electric Company (PGE) | 4.2 GWh | Nov 2020 | Dec 2024 | Solar |
| SSD Clackamas 4, LLC | Thor Solar 1 CEI, LLC | Molalla, OR | Portland General Electric Company (PGE) | 4.2 GWh | Nov 2020 | Dec 2024 | Solar |
| SSD Clackamas 1, LLC | Thor Solar 1 CEI, LLC | Boring, OR | Portland General Electric Company (PGE) | 7.2 GWh | Nov 2020 | Dec 2024 | Solar |
| SSD Clackamas 7, LLC | Thor Solar 1 CEI, LLC | Molalla, OR | Portland General Electric Company (PGE) | 3.9 GWh | Nov 2020 | Dec 2024 | Solar |
| SSD Marion 1, LLC | Thor Solar 1 CEI, LLC | Grevais, OR | Portland General Electric Company (PGE) | 3.9 GWh | Nov 2020 | Dec 2024 | Solar |
| SSD Marion 3, LLC | Thor Solar 1 CEI, LLC | Salem, OR | Portland General Electric Company (PGE) | 4.0 GWh | Nov 2020 | Dec 2024 | Solar |
| SSD Marion 5, LLC | Thor Solar 1 CEI, LLC | Woodburn, OR | Portland General Electric Company (PGE) | 4.2 GWh | Nov 2020 | Dec 2024 | Solar |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 14.2 GWh | Sep 2008 | Dec 2024 | Natural Gas |
| Sabine River Operations | The Dow Chemical Company | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 TWh | Dec 1947 | Sep 2025 | Natural Gas : 99.3% Other Gas : 0.7% |
| Sacramento Fairbain Water Treatment Plan | Tesla Inc. | Sacramento, CA | Balancing Authority of Northern California (BANC) | 961.0 MWh | Jan 2013 | Dec 2024 | Solar |
| Sacramento Regional County Sanitation PV | Tesla Inc. | Elk Grove, CA | Balancing Authority of Northern California (BANC) | 7.3 GWh | Nov 2017 | Dec 2024 | Solar |
| South Sioux City Solar | Tesla Inc. | Dakota, NE | Southwest Power Pool (SWPP) | 3.9 GWh | Nov 2016 | Dec 2024 | Solar |
| Sullivan County - Adult Care Solar | Tesla Inc. | Liberty, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Apr 2017 | Dec 2024 | Solar |
| Susquehanna University Solar | Terraform Arcadia | Selinsgrove, PA | PJM Interconnection, LLC (PJM) | 4.0 GWh | Aug 2018 | Dec 2024 | Solar |
| Sue Cleveland High School | Terraform Arcadia | Rio Rancho, NM | Public Service Company of New Mexico (PNM) | 2.3 GWh | Oct 2013 | Dec 2024 | Solar |
| Seminole (GA) | Terraform Arcadia | Donalsonville, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.2 GWh | Sep 2014 | Dec 2024 | Solar |
| Sacramento (SMUD) | Terraform Arcadia | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.0 GWh | Jul 2014 | Dec 2024 | Solar |
| Skidmore College | Terraform Arcadia | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Jun 2014 | Dec 2024 | Solar |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 4.4 GWh | Dec 2013 | Dec 2024 | Solar |
| San Gorgonio Westwinds II LLC | Terra-Gen Operating Co-Wind | North Palm Springs, CA | California Independent System Operator (CISO) | 124.4 GWh | May 1999 | Dec 2024 | Wind |
| SEGS IX | Terra-Gen Operating Co-Solar | Hinkley, CA | California Independent System Operator (CISO) | 112.0 GWh | Aug 1990 | Sep 2024 | Solar |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 120.8 GWh | Jan 1951 | Dec 2024 | Water |
| 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% |
| Sagamore Plant Cogeneration | Tate & Lyle Ingredients Americas Inc | Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 17.0 GWh | Sep 1984 | Sep 2025 | Natural Gas |
| Syncarpha Westminster Hybrid CSG | Syncarpha Westminster, LLC | Westminster, MA | ISO New England (ISNE) | 6.7 GWh | Oct 2022 | 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 Taos | Syncarpha Taos I, LLC | Taos, NM | Public Service Company of New Mexico (PNM) | 7.9 GWh | Apr 2020 | 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 Questa | Syncarpha Questa I, LLC | Cerro, NM | Public Service Company of New Mexico (PNM) | 3.7 GWh | Dec 2019 | Dec 2024 | Solar |
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 |