Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Solomon-DS&O | Today's Power, Inc. | Solomon, KS | Southwest Power Pool (SWPP) | 2.4 GWh | Apr 2023 | Dec 2024 | Solar |
| Solomon Forks Wind Project, LLC | Engie North America | Colby, KS | Southwest Power Pool (SWPP) | 1.0 TWh | Jun 2019 | Nov 2025 | Wind |
| Solomon Generating Facility | Deseret Generation & Tran Coop | St. George, UT | PacifiCorp East (PACE) | 20.5 GWh | Jun 2022 | Dec 2024 | Natural Gas |
| Solomon Gulch | Copper Valley Elec Assn, Inc | Valdez, AK | 43.2 GWh | Dec 1981 | Dec 2024 | Water | |
| Solops 371 Hoes LLC | Solops 371 Hoes LLC | Piscataway, NJ | PJM Interconnection, LLC (PJM) | 1.9 GWh | Aug 2023 | Dec 2024 | Solar |
| Solten Plainville 6000, LLC | Altus Power America Management, LLC | Plainville, MA | ISO New England (ISNE) | 7.1 GWh | Jul 2017 | Dec 2024 | Solar |
| Soluga Farms 1 | Strata Manager, LLC | Newton Grove, NC | Duke Energy Progress East (CPLE) | 9.5 GWh | May 2014 | Dec 2024 | Solar |
| Soluga Farms 2 LLC | Strata Manager, LLC | Clarkton, NC | Duke Energy Progress East (CPLE) | 9.1 GWh | Aug 2014 | Dec 2024 | Solar |
| Soluga Farms III | Strata Manager, LLC | Godwin, NC | Duke Energy Progress East (CPLE) | 9.9 GWh | Oct 2015 | Dec 2024 | Solar |
| Soluga Farms IV | Soluga Solar, LLC | Godwin, NC | Southeastern Power Administration (SEPA) | 6.0 GWh | Aug 2018 | 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 |
| Solverde 1 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 206.6 GWh | Nov 2016 | Nov 2025 | Solar |
| Solway CT | Otter Tail Power Co | Solway, MN | Midcontinent Independent System Operator, Inc. (MISO) | 124.7 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 8.6 GWh | Nov 2013 | Dec 2024 | Solar |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 561.6 GWh | Dec 1975 | Nov 2025 | Black Liquor : 45.5% Wood/Wood Waste Solids : 38.8% Natural Gas : 7.5% Tire-derived Fuels : 4.8% Residual Fuel Oil : 2.6% Sludge Waste : 0.8% |
| Somerset Windpower LLC | Sequitur Renewables, LLC | Ohiopyle, PA | PJM Interconnection, LLC (PJM) | 7.2 GWh | Nov 2001 | Nov 2025 | Wind |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| Somerville Solar | Somerville Solar, LLC | Somerville, TN | Tennessee Valley Authority (TVA) | 3.2 GWh | Aug 2019 | Dec 2024 | Solar |
| Somonauk Road Solar 1 | Somonauk Road Solar 1, LLC | Somonauk, IL | PJM Interconnection, LLC (PJM) | 4.3 GWh | Feb 2021 | Dec 2024 | Solar |
| Sonne One | Cypress Creek Renewables | Goldsboro, NC | Duke Energy Carolinas (DUK) | 8.5 GWh | Dec 2015 | Dec 2024 | Solar |
| Sonne Two | Heelstone Energy Holdings, LLC | Newton, NC | Duke Energy Carolinas (DUK) | 9.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Sonny Solar LLC | Pine Gate Renewables | Elberton, GA | Southern Company Services, Inc. - Trans (SOCO) | 84.5 GWh | May 2023 | Nov 2025 | Solar |
| Sonoco Products Co | Sonoco Products Co | Hartsville, SC | Duke Energy Progress East (CPLE) | 65.4 GWh | Jan 1947 | Nov 2025 | Wood/Wood Waste Solids : 88.5% Natural Gas : 11.5% |
| Sonoma California Geothermal | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 447.6 GWh | Nov 1983 | Dec 2024 | Geothermal |
| Sonoma Central Landfill Phase I | County of Sonoma Dept of Trnsp | Petaluma, CA | California Independent System Operator (CISO) | 5.6 GWh | Jun 1993 | Dec 2024 | Landfill Gas |
| Sonoma Central Landfill Phase II | County of Sonoma Dept of Trnsp | Petaluma, CA | California Independent System Operator (CISO) | 5.0 GWh | May 1996 | Dec 2024 | Landfill Gas |
| Sonora 1 | Greenbacker Renewable Energy Corporation | Jamestown, CA | California Independent System Operator (CISO) | 621.0 MWh | Nov 2013 | Dec 2024 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | Nov 2025 | Solar |
| Sooner | Oklahoma Gas & Electric Co | Red Rock, OK | Southwest Power Pool (SWPP) | 2.9 TWh | Oct 1979 | Nov 2025 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9% |
| Sophie Solar | Sophie Solar LLC | Mooresboro, NC | Duke Energy Carolinas (DUK) | 7.5 GWh | Mar 2016 | Dec 2024 | Solar |
| Soscol Ferry Solar | Soscol Ferry Solar | Napa, CA | California Independent System Operator (CISO) | 4.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Soul City Solar | Cypress Creek Renewables | Norlina, NC | Duke Energy Progress East (CPLE) | 5.3 GWh | Mar 2015 | Dec 2024 | Solar |
| Source Power Company - Aldrich | Morristown Solar II, LLC | Brier Hill, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Feb 2022 | Dec 2024 | Solar |
| Source Power Company - Richland | Distributed Solar Development, LLC | Richland, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Oct 2021 | Dec 2024 | Solar |
| Source Power Company - Silver Creek | Distributed Solar Development, LLC | Silver Creek, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Nov 2021 | Dec 2024 | Solar |
| Source Power II - Taft CSG | Distributed Solar Development, LLC | East Syracuse, NY | New York Independent System Operator (NYIS) | 5.5 GWh | Sep 2023 | Dec 2024 | Solar |
| Source Power NY II - Locust 1 | Locust Solar LLC | Cortland, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Nov 2023 | Dec 2024 | Solar |
| Source Power NY II - Whaling | Whaling Solar, LLC | Utica, NY | New York Independent System Operator (NYIS) | 5.1 GWh | Aug 2023 | 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 |
| Source Power NY III - Remsen | Distributed Solar Development, LLC | Remsen, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Nov 2023 | Dec 2024 | Solar |
| South | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 13.1 GWh | Nov 1979 | Dec 2024 | Water |
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.5 GWh | Aug 2022 | Dec 2024 | 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 |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | California Independent System Operator (CISO) | 468.9 GWh | Nov 1985 | Nov 2025 | Natural Gas |
| South Cairo | Central Hudson Gas & Elec Corp | Cairo, NY | New York Independent System Operator (NYIS) | 583.6 MWh | May 1970 | Mar 2024 | Kerosene |
| South Campus Solar | JPMorgan Chase Bank | Wilmington, DE | PJM Interconnection, LLC (PJM) | 2.5 GWh | Jul 2011 | Dec 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 Cary WRF Solar Array | Town Of Cary | Apex, NC | Duke Energy Progress East (CPLE) | 2.0 GWh | Nov 2012 | 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 |
| South Chestnut LLC | Avangrid Power LLC | Farmington, PA | PJM Interconnection, LLC (PJM) | 95.6 GWh | Mar 2012 | Dec 2024 | Wind |
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 324.2 GWh | Mar 2024 | Nov 2025 | Solar |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 89.6 GWh | Dec 1953 | Dec 2024 | Water |
| South County Detention Center Solar | SoCore Energy LLC | Porterville, CA | California Independent System Operator (CISO) | 2.4 GWh | Oct 2019 | Dec 2024 | Solar |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 82.3 GWh | Sep 2003 | Nov 2025 | Wind |
| South District Wastewater Treatment Plt | Miami Dade Water & Sewer Dept | Miami, FL | Florida Power & Light Co. (FPL) | 20.8 GWh | Feb 1991 | Nov 2025 | Natural Gas : 56.6% Other Biomass Gas : 43.4% |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 22.5 GWh | Dec 1911 | Dec 2024 | Water |
| South Energy Center | Gainesville Regional Utilities | Gainesville, FL | Gainesville Regional Utilities (GVL) | 49.3 GWh | Apr 2009 | Dec 2024 | Natural Gas |
| South Field Energy | South Field Energy, LLC | Wellsville, OH | PJM Interconnection, LLC (PJM) | 7.2 TWh | Jul 2021 | Nov 2025 | Natural Gas |
| 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% |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 4.8 GWh | Nov 2005 | Dec 2024 | Water | |
| South Fork Tolt | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 44.6 GWh | Oct 1995 | Dec 2024 | Water |
| South Fork Wind | Orsted Wind Power North America LLC | East Hampton, NY | New York Independent System Operator (NYIS) | 535.4 GWh | Jun 2024 | Nov 2025 | Wind |
| South Fork Wind Farm | South Fork Wind, LLC | Round Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 52.3 GWh | Nov 2016 | Dec 2024 | Wind |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| South Garden | South Garden LLC | Winstead, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jun 2023 | Dec 2024 | Solar |
| South Generation | Redwood Falls Public Util Comm | Redwood Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 169.0 MWh | Feb 2003 | Dec 2024 | Distillate Fuel Oil |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 80.4 GWh | Jul 1994 | Dec 2024 | Water |
| South Goshen Community Solar | AES Distributed Energy | Goshen, NY | New York Independent System Operator (NYIS) | 6.1 GWh | Aug 2021 | Dec 2024 | Solar |
| South Hampton | National Grid Generation LLC | Southampton, NY | New York Independent System Operator (NYIS) | 42.0 MWh | Feb 1963 | Dec 2024 | Distillate Fuel Oil |
| South Harper | Evergy Missouri West | Kansas City, MO | Southwest Power Pool (SWPP) | 284.5 GWh | Jul 2005 | Dec 2024 | Natural Gas |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 120.8 GWh | Jan 1951 | Dec 2024 | Water |
| South Hurlburt Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | Bonneville Power Administration (BPAT) | 543.8 GWh | Jun 2012 | Nov 2025 | Wind |
| South Louisburg Solar | Cypress Creek Renewables | Louisburg, NC | Duke Energy Progress East (CPLE) | 9.9 GWh | Aug 2016 | Dec 2024 | Solar |
| South Main Street | Rochelle Municipal Utilities | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.3 GWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| South Milford Solar Plant | REUT Origination, LLC | Milford, UT | PacifiCorp East (PACE) | 7.4 GWh | Feb 2015 | Dec 2024 | Solar |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Mar 2017 | Nov 2025 | Solar |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 TWh | Nov 1959 | Nov 2025 | Subbituminous Coal : 99.7% |
| South Oaks Hospital | South Oak Hospital | Amityville, NY | New York Independent System Operator (NYIS) | 6.8 GWh | Mar 2008 | Dec 2024 | Natural Gas |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 240.4 GWh | Mar 2020 | Nov 2025 | Wind |
| South Plains II | Onward Energy | Lockney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 980.0 GWh | May 2016 | Nov 2025 | Wind |
| South Plains Wind Phase I | Evergreen Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 673.9 GWh | Oct 2015 | Nov 2025 | Wind |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 90.3 GWh | Oct 1962 | Nov 2025 | Natural Gas : 99.9% |
| 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 |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.0 TWh | Feb 2001 | Nov 2025 | Natural Gas |
| South River H4 Solar Energy Storage | North Carolina El Member Corp | Autryville, NC | Duke Energy Progress East (CPLE) | 595.0 MWh | Feb 2023 | Dec 2024 | Solar |
| South Robeson Farm | USF Surry, LLC | Rowland, NC | Duke Energy Progress East (CPLE) | 7.0 GWh | May 2012 | Dec 2024 | Solar |
| South Sioux City Solar | Tesla Inc. | Dakota, NE | Southwest Power Pool (SWPP) | 3.9 GWh | Nov 2016 | Dec 2024 | Solar |
| South Solar | Altus Power America Management, LLC | Pamplico, SC | Duke Energy Progress East (CPLE) | 3.6 GWh | Nov 2018 | Dec 2024 | Solar |
| South Strawberry | City of Strawberry Point | Strawberry Point, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| South Street - Middlebury | Greenbacker Renewable Energy Corporation | Middlebury, VT | ISO New England (ISNE) | 3.4 GWh | Nov 2023 | Dec 2024 | Solar |
| South Texas Project | STP Nuclear Operating Co | Wadsworth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 21.8 TWh | Jul 1988 | Nov 2025 | Nuclear |
| South Trent Wind Farm | NRG Energy Inc | Sweetwater, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 252.5 GWh | Dec 2008 | Dec 2024 | Wind |
| South Valley Solar Energy Center | PNM Resources | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 25.0 GWh | Nov 2015 | Dec 2024 | Solar |
| South Windsor Fuel Cell | South Energy Investments LLC | South Windsor, CT | ISO New England (ISNE) | 38.9 GWh | Feb 2020 | Dec 2024 | Natural Gas |
| South Winston Farm, LLC | Cypress Creek Renewables | Winston-Salem, NC | Duke Energy Carolinas (DUK) | 8.8 GWh | Dec 2015 | 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% |
| Southampton Solar, LLC | Dominion Renewable Energy | Newsoms, VA | PJM Interconnection, LLC (PJM) | 175.0 GWh | Oct 2017 | Nov 2025 | Solar |
| Southampton Solar PV | NSTAR Electric Company | Southampton, MA | ISO New England (ISNE) | 3.1 GWh | Jan 2019 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on November 2025 generation numbers.| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,511.20 GWh |
| Alaska | # 48 | 144 | 528.08 GWh |
| Arizona | # 13 | 184 | 8,245.57 GWh |
| Arkansas | # 24 | 116 | 5,216.59 GWh |
| California | # 4 | 1,736 | 15,288.71 GWh |
| Colorado | # 29 | 302 | 4,252.83 GWh |
| Connecticut | # 34 | 166 | 3,697.17 GWh |
| Delaware | # 49 | 33 | 425.33 GWh |
| District of Columbia | # 51 | 16 | 14.43 GWh |
| Florida | # 2 | 323 | 18,667.27 GWh |
| Georgia | # 8 | 262 | 11,183.00 GWh |
| Hawaii | # 47 | 73 | 801.36 GWh |
| Idaho | # 43 | 146 | 1,663.41 GWh |
| Illinois | # 5 | 384 | 14,942.91 GWh |
| Indiana | # 15 | 211 | 7,722.21 GWh |
| Iowa | # 19 | 293 | 6,283.14 GWh |
| Kansas | # 32 | 187 | 4,136.03 GWh |
| Kentucky | # 21 | 60 | 5,370.35 GWh |
| Louisiana | # 12 | 86 | 8,259.66 GWh |
| Maine | # 45 | 216 | 1,300.62 GWh |
| Maryland | # 40 | 203 | 2,568.19 GWh |
| Massachusetts | # 41 | 648 | 1,975.71 GWh |
| Michigan | # 9 | 273 | 10,785.64 GWh |
| Minnesota | # 28 | 765 | 4,723.22 GWh |
| Mississippi | # 23 | 57 | 5,274.88 GWh |
| Missouri | # 22 | 128 | 5,368.91 GWh |
| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Montana | # 39 | 71 | 2,609.34 GWh |
| Nebraska | # 35 | 129 | 3,447.15 GWh |
| Nevada | # 38 | 114 | 3,066.88 GWh |
| New Hampshire | # 44 | 60 | 1,466.90 GWh |
| New Jersey | # 27 | 393 | 4,952.95 GWh |
| New Mexico | # 36 | 144 | 3,313.38 GWh |
| New York | # 10 | 956 | 10,414.21 GWh |
| North Carolina | # 11 | 909 | 9,927.17 GWh |
| North Dakota | # 33 | 61 | 3,714.56 GWh |
| Ohio | # 6 | 198 | 11,688.48 GWh |
| Oklahoma | # 18 | 143 | 6,525.64 GWh |
| Oregon | # 20 | 275 | 5,407.05 GWh |
| Pennsylvania | # 3 | 256 | 17,277.29 GWh |
| Rhode Island | # 46 | 100 | 833.56 GWh |
| South Carolina | # 16 | 208 | 7,560.03 GWh |
| South Dakota | # 42 | 52 | 1,785.37 GWh |
| Tennessee | # 26 | 88 | 5,030.87 GWh |
| Texas | # 1 | 955 | 43,514.30 GWh |
| Utah | # 37 | 125 | 3,174.08 GWh |
| Vermont | # 50 | 117 | 164.43 GWh |
| Virginia | # 17 | 239 | 7,087.47 GWh |
| Washington | # 14 | 137 | 7,966.23 GWh |
| West Virginia | # 31 | 39 | 4,211.99 GWh |
| Wisconsin | # 25 | 250 | 5,195.24 GWh |
| Wyoming | # 30 | 71 | 4,237.64 GWh |