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 2025 | Water |
| San Manuel Central Plant Cogens | Yuhaaviatam of San Manuel Nation | Highland, CA | California Independent System Operator (CISO) | 18.0 GWh | May 2021 | Dec 2025 | Natural Gas |
| SWM Fuel Cell | Yaphank Fuel Cell Park, LLC | Yaphank, NY | New York Independent System Operator (NYIS) | 57.1 GWh | Nov 2021 | Dec 2025 | Natural Gas |
| SC 1 Data Center, Phase 2 | Xeres Ventures LLC | Santa Clara, CA | California Independent System Operator (CISO) | 129.0 MWh | Aug 2011 | Aug 2026 | Distillate Fuel Oil |
| Sumpter | Wolverine Power Supply Coop | Belleville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 290.9 GWh | Jun 2002 | Dec 2025 | Natural Gas |
| Springhill Gas Recovery Plant | WM Renewable Energy LLC | Campbellton, FL | Southern Company Services, Inc. - Trans (SOCO) | 32.4 GWh | Apr 2006 | Dec 2025 | Landfill Gas |
| Superior Landfill Gas Recovery | WM Renewable Energy LLC | Savannah, GA | Southern Company Services, Inc. - Trans (SOCO) | 47.9 GWh | Oct 2009 | Dec 2025 | Landfill Gas |
| Spruce Ridge Gas Recovery | WM Renewable Energy LLC | Glencoe, MN | Midcontinent Independent System Operator, Inc. (MISO) | 24.7 GWh | Mar 2008 | Dec 2025 | Landfill Gas |
| Suburban Landfill Gas Recovery | WM Renewable Energy LLC | Glenford, OH | PJM Interconnection, LLC (PJM) | 32.9 GWh | Dec 2010 | Dec 2025 | Landfill Gas |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 22.2 GWh | Sep 1988 | Dec 2025 | Landfill Gas |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.7 GWh | Dec 1924 | Dec 2025 | Water |
| Sheboygan Falls | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 452.5 GWh | May 2005 | Dec 2025 | Natural Gas |
| South Fond Du Lac | Wisconsin Power & Light Co | Fond du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 20.3 GWh | Apr 1993 | Dec 2025 | Natural Gas : 99.8% |
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 206.7 GWh | Nov 2023 | Aug 2026 | Solar |
| Spring Prairie Solar WI, LLC | Wisconsin Electric Power Co | Burlington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Silver Lake Solar WI, LLC | Wisconsin Electric Power Co | Salem, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | Nov 2023 | Dec 2025 | Solar |
| Spring Brook Solar WI, LLC | Wisconsin Electric Power Co | Whitewater, WI | Midcontinent Independent System Operator, Inc. (MISO) | 630.0 MWh | Sep 2025 | Dec 2025 | Solar |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 TWh | Nov 1959 | Aug 2026 | Subbituminous Coal : 99.6% |
| Swift Creek Chemical Complex | White Springs Agrici Chem Inc | White Springs, FL | Duke Energy Florida, Inc. (FPC) | 83.9 GWh | Dec 1979 | Aug 2026 | Other Fuel : 94.9% Natural Gas : 5.1% |
| Source Power NY II - Whaling | Whaling Solar, LLC | Utica, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Aug 2023 | Dec 2025 | Solar |
| Seminole Mill | WestRock Seminole | Jacksonville, FL | JEA (JEA) | 150.1 GWh | Jan 1957 | Dec 2025 | Natural Gas |
| Solar Blue | Westlands Solar Blue | Lemoore, CA | California Independent System Operator (CISO) | 645.2 GWh | Nov 2023 | Aug 2026 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2010 | Dec 2025 | Solar |
| Shawnee - GA | Westbound Solar LLC | Waynesboro, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.4 GWh | Sep 2020 | Dec 2025 | Solar |
| Sutter Home Winery GIR | Westbound Solar 3, LLC | American Canyon, CA | California Independent System Operator (CISO) | 1.9 GWh | Jul 2023 | Dec 2025 | Solar |
| Solvay Solar | West Deptford Distributed Solar, LLC | West Deptford, NJ | PJM Interconnection, LLC (PJM) | 9.7 GWh | Dec 2019 | Dec 2025 | Solar |
| Stanton Energy Reliability Center Hybrid | Wellhead Services, Inc | Stanton, CA | California Independent System Operator (CISO) | 2.4 GWh | Jun 2020 | Aug 2026 | Natural Gas |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 63.9 GWh | Sep 2022 | Dec 2025 | Wind |
| South Plant (IA) | Waverly Municipal Elec Utility - (IA) | Waverly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 MWh | Apr 2000 | Dec 2025 | Distillate Fuel Oil |
| Stillwater Reservoir Hydro | Watershed Hydropower Corp | Webb, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Dec 1986 | Dec 2025 | Water |
| Salt Palace Solar Gen Plant | Wasatch View Solar LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 1.1 GWh | Apr 2012 | Dec 2025 | Solar |
| Shelter Creek Condominiums Solar | Vista Solar, Inc. | San Bruno, CA | California Independent System Operator (CISO) | 3.4 GWh | Jan 2020 | Dec 2025 | Solar |
| Southampton Power Station | Virginia Electric & Power Co | Franklin, VA | PJM Interconnection, LLC (PJM) | 252.8 GWh | Feb 1992 | Dec 2025 | Wood/Wood Waste Solids : 99.6% |
| Surry | Virginia Electric & Power Co | Surry, VA | PJM Interconnection, LLC (PJM) | 12.1 TWh | Nov 1972 | Aug 2026 | Nuclear |
| Spalding | Village of Spalding - (NE) | Spalding, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Jun 1919 | Dec 2025 | Water : 66.7% Distillate Fuel Oil : 33.3% |
| Spruance Operating Services LLC | Veolia Energy Operating Service | Richmond, VA | PJM Interconnection, LLC (PJM) | 68.0 GWh | Apr 1992 | Aug 2026 | Natural Gas |
| Stock Island | Utility Board of Key West City (FL) | Stock Island, FL | Florida Municipal Power Pool (FMPP) | 7.0 GWh | Oct 1978 | Dec 2025 | Distillate Fuel Oil |
| Spanish Fork Community Solar | Utah Municipal Power Agency | Spanish Fork, UT | PacifiCorp East (PACE) | 7.4 GWh | Jun 2021 | Dec 2025 | Solar |
| San Emidio | USG Nevada LLC | Gerlach, NV | Nevada Power Company (NEVP) | 76.4 GWh | Apr 2012 | Dec 2025 | Geothermal |
| Sarah Solar | USF Surry, LLC | Louisburg, NC | Duke Energy Progress East (CPLE) | 6.3 GWh | Jun 2015 | Dec 2025 | Solar |
| South Robeson Farm | USF Surry, LLC | Rowland, NC | Duke Energy Progress East (CPLE) | 6.5 GWh | May 2012 | Dec 2025 | Solar |
| Stockton Hydro | USCE-Kansas City District | Stockton, MO | Southwestern Power Administration (SPA) | 54.7 GWh | Feb 1973 | Dec 2025 | Water |
| Sam Rayburn Dam | USACE-Fort Worth District | Jasper, TX | Midcontinent Independent System Operator, Inc. (MISO) | 207.9 GWh | Aug 1965 | Dec 2025 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 156.0 GWh | Jun 1932 | Dec 2025 | Water |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | South Carolina Public Service Authority (SC) | 161.1 GWh | Feb 1985 | Dec 2025 | Water |
| Spring Grove Solar 2 | Urban Grid Solar | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 211.2 GWh | Nov 2025 | Aug 2026 | Solar |
| Spring Prairie Solar LLC CSG | United States Solar Corporation | Glyndon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Apr 2024 | Dec 2025 | Solar |
| Sioux | Union Electric Co - (MO) | West Alton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 TWh | Apr 1967 | Aug 2026 | Subbituminous Coal : 82.1% Bituminous Coal : 17.8% |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.1 GWh | Mar 1922 | Dec 2025 | Water |
| 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 |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 16.1 GWh | Sep 1994 | Oct 2025 | Water |
| Shasta | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 2.0 TWh | May 1944 | Aug 2026 | Water |
| Spring Creek | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 455.2 GWh | Dec 1963 | Aug 2026 | Water |
| Stampede | U S Bureau of Reclamation | Truckee, CA | Nevada Power Company (NEVP) | 11.7 GWh | Dec 1987 | Aug 2026 | 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) | 5.5 TWh | May 1985 | Aug 2026 | Subbituminous Coal : 99.4% |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 82.5 GWh | Apr 1986 | Dec 2025 | Water |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 1.8 GWh | Aug 1990 | Apr 2025 | Water |
| Stafford MS Ground Mount Community Solar | Town of Stafford - (CT) | Stafford, CT | ISO New England (ISNE) | 3.1 GWh | Jun 2016 | Dec 2025 | Solar |
| Shrewsbury | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 1.9 GWh | Oct 1969 | Dec 2025 | Distillate Fuel Oil |
| South Cary WRF Solar Array | Town Of Cary - (NC) | Apex, NC | Duke Energy Progress East (CPLE) | 2.3 GWh | Nov 2012 | Dec 2025 | Solar |
| Snowden | Town of Bedford - (VA) | Big Island, VA | PJM Interconnection, LLC (PJM) | 15.8 GWh | Jul 1987 | Dec 2025 | Water |
| SAU Tech | Today's Power, Inc. | Bearden, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jun 2019 | Dec 2025 | Solar |
| South Central Electric Cooperative | Today's Power, Inc. | Arkadelphia, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jul 2019 | Dec 2025 | Solar |
| Southwest Arkansas Electric | Today's Power, Inc. | Texarkana, AR | Southwest Power Pool (SWPP) | 2.1 GWh | Jan 2020 | Dec 2025 | Solar |
| Solomon-DS&O | Today's Power, Inc. | Solomon, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Apr 2023 | Dec 2025 | Solar |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.6 GWh | Jun 2022 | Dec 2025 | Solar |
| Studebaker | Today's Power, Inc. | Fredonia, KS | Southwest Power Pool (SWPP) | 2.2 GWh | Apr 2021 | Dec 2025 | Solar |
| Stromsburg-Polk County | Today's Power, Inc. | Stromsburg, NE | Southwest Power Pool (SWPP) | 1.9 GWh | Oct 2023 | Dec 2025 | Solar |
| St. Paul-Howard Greeley | Today's Power, Inc. | St. Paul, NE | Southwest Power Pool (SWPP) | 2.2 GWh | Jul 2023 | Dec 2025 | Solar |
| St. George | Today's Power, Inc. | St. George, KS | Southwest Power Pool (SWPP) | 2.1 GWh | May 2021 | Dec 2025 | Solar |
| Star City School District | Today's Power, Inc. | Star City, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Aug 2021 | Dec 2025 | Solar |
| Source Power NY III - Medina II (CSG) | TJA-NY-11202 Ridge Rd Medina, LLC | Medina, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Jan 2024 | Dec 2025 | Solar |
| SSD Marion 3, LLC | Thor Solar 1 CEI, LLC | Salem, OR | Portland General Electric Company (PGE) | 4.1 GWh | Nov 2020 | Dec 2025 | Solar |
| SSD Marion 5, LLC | Thor Solar 1 CEI, LLC | Woodburn, OR | Portland General Electric Company (PGE) | 4.1 GWh | Nov 2020 | Dec 2025 | Solar |
| SSD Marion 6, LLC | Thor Solar 1 CEI, LLC | Aurora, OR | Portland General Electric Company (PGE) | 4.0 GWh | Nov 2020 | Dec 2025 | Solar |
| SSD Marion 1, LLC | Thor Solar 1 CEI, LLC | Grevais, OR | Portland General Electric Company (PGE) | 3.9 GWh | Nov 2020 | Dec 2025 | Solar |
| SSD Clackamas 7, LLC | Thor Solar 1 CEI, LLC | Molalla, OR | Portland General Electric Company (PGE) | 4.0 GWh | Nov 2020 | Dec 2025 | Solar |
| SSD Clackamas 4, LLC | Thor Solar 1 CEI, LLC | Molalla, OR | Portland General Electric Company (PGE) | 4.2 GWh | Nov 2020 | Dec 2025 | Solar |
| SSD Clackamas 1, LLC | Thor Solar 1 CEI, LLC | Boring, OR | Portland General Electric Company (PGE) | 6.1 GWh | Nov 2020 | Dec 2025 | Solar |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Sep 2008 | Dec 2025 | Natural Gas |
| Sabine River Operations | The Dow Chemical Company | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 TWh | Dec 1947 | Aug 2026 | Natural Gas : 99.8% |
| Sacramento Regional County Sanitation PV | Tesla Inc. | Elk Grove, CA | Balancing Authority of Northern California (BANC) | 7.4 GWh | Nov 2017 | Dec 2025 | Solar |
| South Sioux City Solar | Tesla Inc. | Dakota, NE | Southwest Power Pool (SWPP) | 3.5 GWh | Nov 2016 | Dec 2025 | Solar |
| Sacramento Fairbain Water Treatment Plan | Tesla Inc. | Sacramento, CA | Balancing Authority of Northern California (BANC) | 1.2 GWh | Jan 2013 | Dec 2025 | Solar |
| Sullivan County - Adult Care Solar | Tesla Inc. | Liberty, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Apr 2017 | Dec 2025 | Solar |
| Sue Cleveland High School | Terraform Arcadia | Rio Rancho, NM | Public Service Company of New Mexico (PNM) | 2.3 GWh | Oct 2013 | Dec 2025 | Solar |
| Susquehanna University Solar | Terraform Arcadia | Selinsgrove, PA | PJM Interconnection, LLC (PJM) | 4.3 GWh | Aug 2018 | Dec 2025 | Solar |
| Skidmore College | Terraform Arcadia | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Jun 2014 | Dec 2025 | Solar |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 3.8 GWh | Dec 2013 | Dec 2025 | Solar |
| Seminole (GA) | Terraform Arcadia | Donalsonville, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.2 GWh | Sep 2014 | Dec 2025 | Solar |
| Sacramento (SMUD) | Terraform Arcadia | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.3 GWh | Jul 2014 | Dec 2025 | Solar |
| San Gorgonio Westwinds II LLC | Terra-Gen Operating Co-Wind | North Palm Springs, CA | California Independent System Operator (CISO) | 122.6 GWh | May 1999 | Dec 2025 | Wind |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 121.5 GWh | Jan 1951 | Dec 2025 | Water |
| Sequoyah | Tennessee Valley Authority | Soddy Daisy, TN | Tennessee Valley Authority (TVA) | 17.9 TWh | Jun 1981 | Aug 2026 | Nuclear |
| Shawnee | Tennessee Valley Authority | West Paducah, KY | Tennessee Valley Authority (TVA) | 7.0 TWh | Mar 1953 | Aug 2026 | Subbituminous Coal : 99.9% |
| Sagamore Plant Cogeneration | Tate & Lyle Ingredients Americas Inc | Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 23.6 GWh | Sep 1984 | Aug 2026 | Natural Gas |
| South Tampa Resilience Project | Tampa Electric Co | Tampa, FL | Tampa Electric Company (TEC) | 22.6 GWh | Jan 2025 | Dec 2025 | Natural Gas |
| Syncarpha Westminster Hybrid CSG | Syncarpha Westminster, LLC | Westminster, MA | ISO New England (ISNE) | 5.7 GWh | Oct 2022 | Dec 2025 | Solar |
| Syncarpha Tewksbury Hybrid CSG | Syncarpha Tewksbury, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.9 GWh | Jan 2022 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |