Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| S D Warren Westbrook | Relevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 32.7 GWh | Dec 1902 | Dec 2023 | Water |
| Santa Clara Cogen | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 15.3 GWh | May 1982 | Dec 2023 | Natural Gas |
| Santa Rita Jail Hybrid | County of Alameda GSA | Dublin, CA | California Independent System Operator (CISO) | 13.1 GWh | Aug 2001 | Dec 2023 | Natural Gas : 80.9% Solar : 19.1% |
| Santa Rosa Junior College Petaluma Solar | Sonoma County Junior College District | Petaluma, CA | California Independent System Operator (CISO) | 1.8 GWh | Jun 2018 | Dec 2023 | Solar |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Mar 2020 | Dec 2023 | Solar |
| Signature Breads Chelsea | JDC 65R Owner, LLC | Chelsea, MA | ISO New England (ISNE) | 2.0 MWh | Apr 2019 | Dec 2023 | Distillate Fuel Oil |
| Solean Solar Project | BQ Energy LLC | Olean, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Mar 2016 | Dec 2023 | Solar |
| ST-1/1A Engine No 1 | City of Columbus - (OH) | Columbus, OH | PJM Interconnection, LLC (PJM) | 2.0 MWh | Dec 2007 | Dec 2023 | Distillate Fuel Oil |
| Stevens Community Medical Center | Stevens Community Medical Center | Morris, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 MWh | Apr 2004 | Dec 2023 | Distillate Fuel Oil |
| Stillwater Reservoir Hydro | Northern Power & Light | Webb, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Dec 1986 | Dec 2023 | Water |
| Sacramento Municipal Util Dist | South Sutter Water District | Sacramento, CA | California Independent System Operator (CISO) | 15.9 GWh | Jan 1985 | Mar 2024 | Water |
| South Cairo | Central Hudson Gas & Elec Corp | Cairo, NY | New York Independent System Operator (NYIS) | 583.6 MWh | May 1970 | Mar 2024 | Kerosene |
| Southeast Resource Recovery | SERRF Joint Powers Authority | Long Beach, CA | California Independent System Operator (CISO) | 89.9 GWh | Jun 1988 | Mar 2024 | Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1% |
| San Gabriel Hydro Project | Los Angeles County-San Gabriel | Azusa, CA | California Independent System Operator (CISO) | 4.9 GWh | Nov 1987 | Apr 2024 | Water |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 2.3 GWh | Sep 1989 | Apr 2024 | Water |
| Salt Valley Wind Plant | Lincoln Electric System | Lincoln, NE | Southwest Power Pool (SWPP) | 1.9 GWh | Nov 1998 | May 2024 | Wind |
| 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 |
| 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 |
| Stearns Solar I | Stearns Solar I LLC | Albany, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Aug 2019 | May 2024 | Solar |
| Steel Bridge Solar, LLC | Steel Bridge Solar. LLC | Sheridan, OR | Portland General Electric Company (PGE) | 3.3 GWh | Jan 2016 | May 2024 | Solar |
| San Dimas Wash Generating Station | San Gabriel Valley Mun Wtr Dt | San Dimas, CA | California Independent System Operator (CISO) | 4.8 GWh | Feb 1986 | Jun 2024 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| Starbucks - Evolution Fresh | Bloom Energy | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 4.1 GWh | May 2014 | Jun 2024 | Natural Gas |
| Searsmont Road Lincolnville Solar, LLC | REA Investments, LLC | Lincolnville, ME | (NBSO) | 4.0 GWh | Mar 2022 | Jul 2024 | Solar |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1985 | Jul 2024 | Water |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 426.0 MWh | Nov 1941 | Jul 2024 | Water |
| SunE Rochester | SunE Solar XVI Lessor, LLC | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 991.0 MWh | Jul 2016 | Jul 2024 | Solar |
| Salvation Army Solar | Madison Energy Holdings LLC | Camden, NJ | PJM Interconnection, LLC (PJM) | 1.6 GWh | Mar 2022 | Aug 2024 | Solar |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 5.6 GWh | Jul 1950 | Aug 2024 | Water |
| Sawtell Solar | Sawtell Solar, LLC | Hendersonville, NC | Duke Energy Carolinas (DUK) | 6.0 GWh | Mar 2021 | Sep 2024 | Solar |
| SEGS IX | Terra-Gen Operating Co-Solar | Hinkley, CA | California Independent System Operator (CISO) | 112.0 GWh | Aug 1990 | Sep 2024 | Solar |
| Selkirk Cogen | Selkirk Cogen Partners LP | Selkirk, NY | New York Independent System Operator (NYIS) | 92.4 GWh | Mar 1992 | Sep 2024 | Natural Gas |
| Spier Falls | Erie Boulevard Hydropower LP | Gansevoort, NY | New York Independent System Operator (NYIS) | 249.0 GWh | Dec 1923 | Sep 2024 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 24.7 GWh | May 1990 | Oct 2024 | Water |
| Scott Flat | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 4.4 GWh | Jan 1985 | 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 |
| 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 |
| Skyway Avenue Solar Farm | REA Investments, LLC | Frenchville, ME | ISO New England (ISNE) | 1.5 GWh | Feb 2024 | Oct 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 |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| SPI Anderson 2 | Sierra Pacific Industries | Anderson, CA | California Independent System Operator (CISO) | 138.5 GWh | Jul 2015 | Oct 2024 | Wood/Wood Waste Solids : 99.0% Natural Gas : 1.0% |
| 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 |
| Stanislaus | Pacific Gas & Electric Co. | Vallecito, CA | California Independent System Operator (CISO) | 315.8 GWh | Feb 1963 | Oct 2024 | Water |
| Stroud Solar Station | Pacific Gas & Electric Co. | Helm, CA | California Independent System Operator (CISO) | 25.0 GWh | Aug 2011 | Oct 2024 | Solar |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 398.2 GWh | Dec 1984 | Oct 2024 | Water |
| Sweatt | Mississippi Power Co | Meridian, MS | Southern Company Services, Inc. - Trans (SOCO) | 165.1 MWh | Apr 1951 | Oct 2024 | Natural Gas |
| Strontia Springs Hydro Plant | Denver City & County of | Littleton, CO | Public Service Company of Colorado (PSCO) | 5.0 GWh | Jun 1986 | Nov 2024 | Water |
| Swauk Wind LLC | Gamesa Wind US LLC | Thorp, WA | Puget Sound Energy, Inc. (PSEI) | 2.4 GWh | Nov 2012 | Nov 2024 | Wind |
| SCE-Snowline-White Road (North) | SunEdison LLC | Phelan, CA | California Independent System Operator (CISO) | 2.8 GWh | Oct 2014 | Nov 2024 | Solar |
| Shelby, NC | Electric Glass Fiber America, LLC. | Shelby, NC | Duke Energy Carolinas (DUK) | 39.0 MWh | Dec 1971 | Nov 2024 | Distillate Fuel Oil |
| Shoemaker | Alliance NYGT, LLC | Middletown, NY | New York Independent System Operator (NYIS) | 336.0 MWh | Jun 1972 | Nov 2024 | Natural Gas |
| Signal Hill Generating LLC | Signal Hill Generating LLC | Wichita Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.0 GWh | May 1987 | Nov 2024 | Natural Gas |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 83.0 GWh | Nov 1989 | Nov 2024 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| Sowega Power | SOWEGA Power LLC | Baconton, GA | Southern Company Services, Inc. - Trans (SOCO) | 53.4 GWh | May 1999 | Nov 2024 | Natural Gas |
| Spencer | City of Garland - (TX) | Denton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.8 GWh | May 1966 | Nov 2024 | Natural Gas |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 29.8 GWh | Aug 1921 | Nov 2024 | Water |
| Stahl Wind Energy | Stahl Wind Energy, LLC (Longroad) | Pipestone, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Nov 2004 | Nov 2024 | Wind |
| S A Carlson | Jamestown Board of Public Util | Jamestown, NY | New York Independent System Operator (NYIS) | 33.5 GWh | Jul 1951 | Dec 2024 | Natural Gas |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 341.5 GWh | Dec 1956 | Dec 2024 | Water |
| S O Purdom | City of Tallahassee - (FL) | St Marks, FL | City of Tallahassee (TAL) | 1.2 TWh | Nov 1963 | Dec 2024 | Natural Gas |
| S&P Windfarm LLC | Brewster | Brewster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2003 | Dec 2024 | Wind |
| Sabattus SB01 | Nautilus Solar Solutions | Sabattus, ME | ISO New England (ISNE) | 7.5 GWh | Sep 2023 | Dec 2024 | Solar |
| Sabattus Solar LLC | Sol Systems | Bailey, NC | Duke Energy Progress East (CPLE) | 10.1 GWh | Oct 2019 | Dec 2024 | Solar |
| Sabert Solar | Sabert Corporation | Sayreville, NJ | PJM Interconnection, LLC (PJM) | 2.2 GWh | Sep 2011 | Dec 2024 | Solar |
| Sacket Lake Rd #1 Community Solar Farm | Generate Capital | Thompson, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Dec 2019 | Dec 2024 | Solar |
| Sacket Lake Rd #2 Community Solar Farm | Scale Sustainable I, LLC | Thompson, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Feb 2019 | Dec 2024 | Solar |
| Sacramento Fairbain Water Treatment Plan | Tesla Inc. | Sacramento, CA | Balancing Authority of Northern California (BANC) | 961.0 MWh | Jan 2013 | Dec 2024 | Solar |
| Sacramento Point West Medical Offices | KP Sacramento Point West Medical Offices Solar, LLC | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.1 GWh | Oct 2020 | 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 |
| Sacramento (SMUD) | Terraform Arcadia | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.0 GWh | Jul 2014 | Dec 2024 | Solar |
| Sacred Heart CSG1, LLC | Nautilus Solar Solutions | Sacred Heart, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jul 2021 | Dec 2024 | Solar |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 34.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Saddleback Ridge Wind Farm | CPV Saddleback Ridge Wind, LLC | Carthage, ME | ISO New England (ISNE) | 82.9 GWh | Nov 2014 | Dec 2024 | Wind |
| Saddleback Solar | SoCore Energy LLC | Lanesborough, MA | ISO New England (ISNE) | 3.5 GWh | Aug 2022 | Dec 2024 | Solar |
| Sadiebrook NC Solar | Sadiebrook Solar LLC | Clarkton, NC | Duke Energy Progress East (CPLE) | 8.6 GWh | May 2018 | Dec 2024 | Solar |
| SAF Hydroelectric LLC | SAF Hydroelectric LLC | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 28.5 GWh | Nov 2011 | Dec 2024 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 1.0 TWh | Nov 1931 | Dec 2024 | Water |
| Sagebrush Power Partners | Sagebrush Power Partners, LLC | Ellensburg, WA | Bonneville Power Administration (BPAT) | 277.8 GWh | Oct 2010 | Dec 2024 | Wind |
| Sagitta Community Solar | National Grid Renewables | Clara City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2018 | Dec 2024 | Solar |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 135.2 GWh | Apr 1972 | Dec 2024 | Natural Gas |
| Saint Albans Solar | Cypress Creek Renewables | Georgia, VT | ISO New England (ISNE) | 7.7 GWh | Sep 2018 | Dec 2024 | Solar |
| Saint Catherine of Siena Medical Center | Saint Catherine of Siena Medical Center | Smithtown, NY | New York Independent System Operator (NYIS) | 14.0 MWh | Dec 1971 | Dec 2024 | Distillate Fuel Oil |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 155.2 GWh | Jun 1932 | Dec 2024 | Water |
| Salem Electric Department | City of Salem - (VA) | Salem, VA | PJM Interconnection, LLC (PJM) | 67.0 MWh | Nov 2007 | Dec 2024 | Distillate Fuel Oil |
| Salem Energy Systems LLC | Salem Energy Systems LLC | Winston-Salem, NC | Duke Energy Carolinas (DUK) | 7.5 GWh | Jun 1996 | Dec 2024 | Landfill Gas |
| Salida | Public Service Co of Colorado | Salida, CO | Public Service Company of Colorado (PSCO) | 1.0 GWh | May 1908 | Dec 2024 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.0 GWh | Jan 1917 | Dec 2024 | Water |
| Salisbury Solar | Oppidum Renewables USA, LLC | Salisbury, NC | Duke Energy Carolinas (DUK) | 7.6 GWh | Jul 2018 | Dec 2024 | Solar |
| Salka Cabazon Wind | Salka Cabazon Wind LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 7.9 GWh | Dec 1998 | Dec 2024 | Wind |
| Salmon Creek 1 | Alaska Electric Light & Power Co. | Juneau, AK | 30.2 GWh | Nov 1984 | Dec 2024 | Water | |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 64.4 GWh | Mar 2011 | Dec 2024 | Wind |
| Salt Lake Energy Systems | NextEra Renewable Fuels, LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 24.3 GWh | May 2006 | Dec 2024 | Landfill Gas |
| Salt Palace Solar Gen Plant | Wasatch View Solar LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 1.2 GWh | Apr 2012 | Dec 2024 | Solar |
| Salt Point Solar (Hybrid) | Generate Capital | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Dec 2020 | Dec 2024 | Solar : 99.9% |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 107.7 GWh | May 1931 | Dec 2024 | Water |
| Salt Wells | Ormat Salt Wells LLC | Fallon, NV | Nevada Power Company (NEVP) | 70.0 GWh | Feb 2009 | Dec 2024 | Geothermal |
| Salton Sea Power Gen Co - Unit 1 | CalEnergy Operating Corporation | Calipatria, CA | Imperial Irrigation District (IID) | 78.4 GWh | Jun 1982 | Dec 2024 | Geothermal |
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 |