Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Soscol Ferry Solar | Soscol Ferry Solar | Napa, CA | California Independent System Operator (CISO) | 4.5 GWh | Nov 2020 | Dec 2025 | Solar |
| South Atlantic Services Solar Farm I | South Atlantic Services Inc | Wilmington, NC | Duke Energy Carolinas (DUK) | 2.9 GWh | Nov 2013 | Dec 2024 | Solar |
| Halifax County Biomass | South Boston Energy LLC | South Boston, VA | PJM Interconnection, LLC (PJM) | 351.6 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
| Williams | South Carolina Genertg Co, Inc | Goose Creek, SC | Dominion Energy South Carolina, Inc. (SCEG) | 2.5 TWh | May 1972 | May 2026 | Bituminous Coal : 99.6% |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 233.5 GWh | Nov 1942 | Dec 2025 | Water |
| Hilton Head | South Carolina Public Service Authority | Hilton Head Island, SC | South Carolina Public Service Authority (SC) | 79.0 MWh | Jul 1973 | Dec 2025 | Distillate Fuel Oil |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 4.8 GWh | Jul 1950 | Dec 2025 | Water |
| Winyah | South Carolina Public Service Authority | Georgetown, SC | South Carolina Public Service Authority (SC) | 4.5 TWh | Feb 1975 | May 2026 | Bituminous Coal : 99.6% |
| Horry Land Fill Gas Site | South Carolina Public Service Authority | Conway, SC | South Carolina Public Service Authority (SC) | 4.2 GWh | Jul 2001 | Dec 2025 | Landfill Gas |
| John S Rainey | South Carolina Public Service Authority | Starr, SC | South Carolina Public Service Authority (SC) | 5.1 TWh | Aug 2001 | May 2026 | Natural Gas |
| Berkeley County Landfill | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 237.0 MWh | Jan 2011 | Dec 2024 | Landfill Gas |
| Cross | South Carolina Public Service Authority | Cross, SC | South Carolina Public Service Authority (SC) | 8.0 TWh | Apr 1984 | May 2026 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Lee County Landfill | South Carolina Public Service Authority | Bishopville, SC | South Carolina Public Service Authority (SC) | 11.8 GWh | Dec 2004 | Dec 2025 | Landfill Gas |
| Richland County Landfill | South Carolina Public Service Authority | Lugoff, SC | South Carolina Public Service Authority (SC) | 5.1 GWh | Dec 2005 | Dec 2025 | Landfill Gas |
| Blackjack Solar | South County Packing | King City, CA | California Independent System Operator (CISO) | 9.0 GWh | Nov 2020 | Dec 2025 | Solar |
| South Windsor Fuel Cell | South Energy Investments LLC | South Windsor, CT | ISO New England (ISNE) | 37.4 GWh | Feb 2020 | Dec 2025 | Natural Gas |
| Woodleaf | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 167.1 GWh | Oct 1963 | Dec 2025 | Water |
| Forbestown | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 114.9 GWh | Sep 1963 | Dec 2025 | Water |
| Kelly Ridge | South Feather Water and Power Agency | Oroville, CA | California Independent System Operator (CISO) | 69.1 GWh | Aug 1963 | Dec 2025 | Water |
| Sly Creek | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 27.2 GWh | Jun 1983 | Dec 2025 | Water |
| South Field Energy | South Field Energy, LLC | Wellsville, OH | PJM Interconnection, LLC (PJM) | 7.9 TWh | Jul 2021 | May 2026 | Natural Gas |
| South Fork Wind Farm | South Fork Wind, LLC | Round Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 54.4 GWh | Nov 2016 | Dec 2025 | Wind |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.3 GWh | Nov 1984 | Oct 2025 | Water |
| South Garden | South Garden LLC | Winstead, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jun 2023 | Dec 2025 | Solar |
| Green Power 2 | South Houston Green Power LLC | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.1 TWh | Nov 2003 | May 2026 | Natural Gas : 99.3% Other Gas : 0.7% |
| Power Station 4 | South Houston Green Power LLC | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 516.8 GWh | Aug 1986 | Dec 2025 | Natural Gas |
| South Oaks Hospital | South Oak Hospital | Amityville, NY | New York Independent System Operator (NYIS) | 7.1 GWh | Mar 2008 | Dec 2025 | Natural Gas |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.6 TWh | Feb 2001 | May 2026 | Natural Gas |
| Robert O Schulz Solar Farm | South San Joaquin Irr District | Oakdale, CA | California Independent System Operator (CISO) | 3.9 GWh | Apr 2008 | Dec 2025 | Solar |
| Leominster (MA)-South Street-R&D | South Street Solar, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2013 | Dec 2025 | Solar |
| Sacramento Municipal Util Dist | South Sutter Water District | Sacramento, CA | California Independent System Operator (CISO) | 14.2 GWh | Jan 1985 | Dec 2025 | Water |
| Pearsall | South Texas Electric Coop, Inc | Pearsall, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 453.9 GWh | Apr 1961 | Dec 2025 | Natural Gas |
| Sam Rayburn | South Texas Electric Coop, Inc | Nursery, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 162.4 GWh | Feb 1963 | Dec 2025 | Natural Gas : 99.8% |
| Red Gate Power Plant | South Texas Electric Coop, Inc | Edinburg, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 376.1 GWh | Nov 2016 | May 2026 | Natural Gas |
| Southbridge Landfill Gas-to-Energy | Southbridge Recycling and Disposal Park | Southbridge, MA | ISO New England (ISNE) | 9.6 GWh | Sep 2011 | Dec 2025 | Landfill Gas |
| Swan Lake | Southeast Alaska Power Agency | Ketchikan, AK | (NA) | 77.6 GWh | May 1984 | Dec 2025 | Water |
| Tyee Lake Hydroelectric Facility | Southeast Alaska Power Agency | Wrangell, AK | (NA) | 103.4 GWh | Jun 1983 | Dec 2025 | Water |
| SECCRA Community Landfill | Southeastern Chester County Refuse Auth | West Grove, PA | PJM Interconnection, LLC (PJM) | 2.0 GWh | Dec 2006 | Dec 2025 | Landfill Gas |
| Cairo Solar Farm, LLC | Southeastern Solar Farm Fund, LLC | Cairo, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.3 GWh | May 2017 | Dec 2025 | Solar |
| Cedar Creek Solar, LLC | Southeastern Solar Farm Fund, LLC | Winder, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.5 GWh | Sep 2017 | Dec 2025 | Solar |
| Old Plank Road Solar Farm, LLC | Southeastern Solar Farm Fund, LLC | Jacksonville, FL | JEA (JEA) | 5.3 GWh | Sep 2017 | Dec 2025 | Solar |
| Turnipseed Solar, LLC | Southeastern Solar Farm Fund, LLC | Douglasville, GA | Southern Company Services, Inc. - Trans (SOCO) | 5.3 GWh | Oct 2017 | Dec 2025 | Solar |
| Big Creek 4 | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 392.1 GWh | May 1951 | May 2026 | Water |
| Bishop Creek 2 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 13.2 GWh | Oct 1908 | Dec 2025 | Water |
| Big Creek 3 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 747.3 GWh | Aug 1923 | May 2026 | Water |
| Big Creek 2 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 376.6 GWh | Nov 1913 | Dec 2025 | Water |
| Big Creek 1 | Southern California Edison Co | Big Creek, CA | California Independent System Operator (CISO) | 409.1 GWh | Oct 1913 | Dec 2025 | Water |
| J S Eastwood | Southern California Edison Co | Shaver Lake, CA | California Independent System Operator (CISO) | 130.6 GWh | Nov 1987 | May 2026 | Water |
| Fontana | Southern California Edison Co | Rialto, CA | California Independent System Operator (CISO) | 1.9 GWh | Nov 1917 | Nov 2025 | Water |
| Bishop Creek 5 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 10.7 GWh | May 1919 | Dec 2025 | Water |
| Bishop Creek 4 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 35.8 GWh | Aug 1905 | Dec 2025 | Water |
| Bishop Creek 3 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 23.9 GWh | May 1913 | Dec 2025 | Water |
| Mountainview Generating Station | Southern California Edison Co | Redlands, CA | California Independent System Operator (CISO) | 1.2 TWh | Nov 2005 | May 2026 | Natural Gas |
| Big Creek 8 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 151.8 GWh | Jul 1921 | Dec 2025 | Water |
| Bishop Creek 6 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 8.9 GWh | Feb 1913 | Dec 2025 | Water |
| Big Creek 2A | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 273.7 GWh | Jul 1928 | May 2026 | Water |
| Kern River 3 | Southern California Edison Co | Kernville, CA | California Independent System Operator (CISO) | 142.6 GWh | Feb 1921 | Dec 2025 | Water |
| Kern River 1 | Southern California Edison Co | Bakersfield, CA | California Independent System Operator (CISO) | 175.7 GWh | Apr 1907 | Dec 2025 | Water |
| Lundy | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 6.7 GWh | Nov 1911 | Dec 2025 | Water |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 568.6 GWh | Feb 1960 | May 2026 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 22.3 GWh | Apr 1924 | Dec 2025 | Water |
| Portal | Southern California Edison Co | Lakeshore, CA | California Independent System Operator (CISO) | 26.2 GWh | Nov 1956 | Dec 2025 | Water |
| Rush Creek | Southern California Edison Co | June lake, CA | California Independent System Operator (CISO) | 30.0 GWh | Sep 1916 | Dec 2025 | Water |
| Center Hybrid | Southern California Edison Co | Norwalk, CA | California Independent System Operator (CISO) | 2.0 GWh | Aug 2007 | Dec 2025 | Natural Gas |
| McGrath Peaker | Southern California Edison Co | Oxnard, CA | California Independent System Operator (CISO) | 2.6 GWh | Oct 2012 | Dec 2025 | Natural Gas |
| Grapeland Hybrid | Southern California Edison Co | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 2.2 GWh | Aug 2007 | Dec 2025 | Natural Gas |
| Barre Peaker | Southern California Edison Co | Stanton, CA | California Independent System Operator (CISO) | 5.4 GWh | Aug 2007 | Dec 2025 | Natural Gas |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 1.1 GWh | Aug 2007 | Dec 2025 | Natural Gas |
| Solar Photovoltaic Project #42 | Southern California Edison Co | Tulare, CA | California Independent System Operator (CISO) | 6.4 GWh | Oct 2012 | Dec 2025 | Solar |
| Pebbly Beach Generating Station Hybrid | Southern California Edison Co | Avalon, CA | California Independent System Operator (CISO) | 27.6 GWh | Jun 1958 | May 2026 | Distillate Fuel Oil : 95.0% Gaseous Propane : 5.0% |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 771.0 MWh | Feb 1903 | Dec 2025 | Water |
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | Idaho Power Company (IPCO) | 26.7 GWh | Sep 2018 | Dec 2025 | Landfill Gas |
| Marion | Southern Illinois Power Coop | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 798.2 GWh | May 1963 | May 2026 | Bituminous Coal : 86.6% Natural Gas : 12.8% Distillate Fuel Oil : 0.6% |
| SIUC | Southern Illinois University Carbondale | Carbondale, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 1998 | May 2026 | Bituminous Coal |
| Veolia ES Blackfoot Landfill Facility | Southern Indiana Gas & Elec Co | Winslow, IN | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2009 | Dec 2025 | Landfill Gas |
| Oak Hill Solar Array | Southern Indiana Gas & Elec Co | Evansville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Oct 2018 | Dec 2025 | Solar |
| Volkman Road Solar Array Hybrid | Southern Indiana Gas & Elec Co | Evansville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Oct 2018 | Dec 2025 | Solar |
| Posey Solar | Southern Indiana Gas & Elec Co | Mount Vernon, IN | Midcontinent Independent System Operator, Inc. (MISO) | 405.0 GWh | Apr 2025 | May 2026 | Solar |
| F B Culley | Southern Indiana Gas & Elec Co | Newburgh, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 TWh | Nov 1966 | May 2026 | Bituminous Coal : 98.0% Natural Gas : 2.0% |
| A B Brown | Southern Indiana Gas & Elec Co | Mount Vernon, IN | Midcontinent Independent System Operator, Inc. (MISO) | 700.1 GWh | Feb 1979 | May 2026 | Natural Gas |
| Troy Solar | Southern Indiana Gas & Elec Co | Troy, IN | Midcontinent Independent System Operator, Inc. (MISO) | 94.7 GWh | Mar 2021 | May 2026 | Solar |
| Southern Minnesota Beet Sugar | Southern Minnesota Beet Sugar | Renville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 27.6 GWh | Aug 1976 | May 2026 | Subbituminous Coal : 70.1% Natural Gas : 29.2% Residual Fuel Oil : 0.6% |
| SMMPA Methane Energy Facility | Southern Minnesota Mun P Agny | Mora, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Mar 2012 | Dec 2025 | Landfill Gas |
| Owatonna Energy Station | Southern Minnesota Mun P Agny | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Feb 2018 | Dec 2025 | Natural Gas |
| Fairmont (MN) | Southern Minnesota Mun P Agny | Fairmont, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Dec 1974 | Dec 2025 | Natural Gas : 98.8% Distillate Fuel Oil : 1.2% |
| Fairmont Wind | Southern Minnesota Mun P Agny | Fairmont, MN | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Feb 2003 | Dec 2025 | Wind |
| Redwood Falls Wind | Southern Minnesota Mun P Agny | Redwood Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 GWh | Nov 2004 | Dec 2025 | Wind |
| Cimarron Solar Facility | Southern Power Co | Springer, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 60.3 GWh | Nov 2010 | Dec 2025 | Solar |
| Cleveland Cnty Generating Facility | Southern Power Co | Kings Mountain, NC | Duke Energy Carolinas (DUK) | 985.8 GWh | Nov 2012 | Dec 2025 | Natural Gas : 99.5% Distillate Fuel Oil : 0.5% |
| Wansley Combined Cycle | Southern Power Co | Franklin, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.4 TWh | May 2002 | May 2026 | Natural Gas |
| Edward L. Addison Generating Plant | Southern Power Co | Thomaston, GA | Southern Company Services, Inc. - Trans (SOCO) | 241.9 GWh | May 2000 | Dec 2024 | Natural Gas : 98.2% Distillate Fuel Oil : 1.8% |
| Beech Ridge II Wind Energy Center | Southern Power Co | Rupert, WV | PJM Interconnection, LLC (PJM) | 131.9 GWh | Apr 2020 | May 2026 | Wind |
| Deuel Harvest Wind Energy LLC | Southern Power Co | Clear Lake, SD | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 TWh | Jan 2021 | May 2026 | Wind |
| Wildhorse Mountain Wind Facility | Southern Power Co | Clayton, OK | Southwest Power Pool (SWPP) | 431.5 GWh | Nov 2019 | May 2026 | Wind |
| E B Harris Electric Generating Plant | Southern Power Co | Autaugaville, AL | Southern Company Services, Inc. - Trans (SOCO) | 4.9 TWh | May 2003 | May 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Southern Power Co | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 12.2 TWh | May 2002 | May 2026 | Natural Gas |
| Rowan | Southern Power Co | Salisbury, NC | Duke Energy Carolinas (DUK) | 5.0 TWh | Mar 2001 | May 2026 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Dahlberg | Southern Power Co | Nicholson, GA | Southern Company Services, Inc. - Trans (SOCO) | 229.4 GWh | May 2000 | Dec 2024 | Natural Gas : 92.4% Distillate Fuel Oil : 7.6% |
| Gaskell West 1 Solar Facility | Southern Power Co | Lancaster, CA | California Independent System Operator (CISO) | 55.6 GWh | Feb 2018 | Dec 2025 | Solar |
| Cactus Flats Wind Energy Project | Southern Power Co | Eden, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 427.0 GWh | Jun 2018 | May 2026 | Wind |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |