Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Soliloquoy Ridge LLC | CHI Operations Inc | Lake Benton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 2000 | Dec 2024 | Wind |
| Solomon-DS&O | Today's Power, Inc. | Solomon, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Apr 2023 | Dec 2025 | Solar |
| Solomon Forks Wind Project, LLC | Engie North America | Colby, KS | Southwest Power Pool (SWPP) | 975.3 GWh | Jun 2019 | May 2026 | Wind |
| Solomon Generating Facility | Deseret Generation & Tran Coop | St. George, UT | PacifiCorp East (PACE) | 21.2 GWh | Jun 2022 | Dec 2025 | Natural Gas |
| Solomon Gulch | Copper Valley Elec Assn, Inc | Valdez, AK | 41.8 GWh | Dec 1981 | Dec 2025 | Water | |
| Solops 371 Hoes LLC | Solops 371 Hoes LLC | Piscataway, NJ | PJM Interconnection, LLC (PJM) | 1.8 GWh | Aug 2023 | Dec 2025 | Solar |
| Solten Plainville 6000, LLC | Altus Power America Management, LLC | Plainville, MA | ISO New England (ISNE) | 6.9 GWh | Jul 2017 | Dec 2025 | Solar |
| Soluga Farms 1 | Strata Manager, LLC | Newton Grove, NC | Duke Energy Progress East (CPLE) | 9.2 GWh | May 2014 | Dec 2025 | Solar |
| Soluga Farms 2 LLC | Strata Manager, LLC | Clarkton, NC | Duke Energy Progress East (CPLE) | 9.1 GWh | Aug 2014 | Dec 2025 | Solar |
| Soluga Farms III | Strata Manager, LLC | Godwin, NC | Duke Energy Progress East (CPLE) | 9.4 GWh | Oct 2015 | Dec 2025 | Solar |
| Soluga Farms IV | SunStrong Management | Godwin, NC | Southeastern Power Administration (SEPA) | 5.3 GWh | Aug 2018 | 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 |
| Solverde 1 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 202.9 GWh | Nov 2016 | May 2026 | Solar |
| Solvita | IGS Solar I, LLC | Kettering, OH | PJM Interconnection, LLC (PJM) | 67.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Solway CT | Otter Tail Power Co | Solway, MN | Midcontinent Independent System Operator, Inc. (MISO) | 142.9 GWh | Apr 2003 | Dec 2025 | Natural Gas : 99.5% |
| Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 8.9 GWh | Nov 2013 | Dec 2025 | Solar |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 567.7 GWh | Dec 1975 | May 2026 | Black Liquor : 45.9% Wood/Wood Waste Solids : 32.4% Natural Gas : 13.1% Tire-derived Fuels : 4.1% Residual Fuel Oil : 3.7% Sludge Waste : 0.5% |
| Somerset Windpower LLC | Sequitur Renewables, LLC | Ohiopyle, PA | PJM Interconnection, LLC (PJM) | 6.6 GWh | Nov 2001 | May 2026 | Wind |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 498.0 MWh | Jun 1985 | Dec 2025 | Water |
| Somerville Solar | Somerville Solar, LLC | Somerville, TN | Tennessee Valley Authority (TVA) | 1.9 GWh | Aug 2019 | Dec 2025 | Solar |
| Somonauk Road Solar 1 | Somonauk Road Solar 1, LLC | Somonauk, IL | PJM Interconnection, LLC (PJM) | 3.9 GWh | Feb 2021 | Dec 2025 | Solar |
| Sonne One | Cypress Creek Renewables | Goldsboro, NC | Duke Energy Carolinas (DUK) | 9.2 GWh | Dec 2015 | Dec 2025 | Solar |
| Sonne Two | Heelstone Energy Holdings, LLC | Newton, NC | Duke Energy Carolinas (DUK) | 8.0 GWh | Nov 2016 | Dec 2025 | Solar |
| Sonny Solar LLC | Pine Gate Renewables | Elberton, GA | Southern Company Services, Inc. - Trans (SOCO) | 72.8 GWh | May 2023 | May 2026 | Solar |
| Sonoco Products Co | Sonoco Products Co | Hartsville, SC | Duke Energy Progress East (CPLE) | 65.4 GWh | Jan 1947 | May 2026 | Wood/Wood Waste Solids : 88.4% Natural Gas : 11.6% |
| Sonoma California Geothermal | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 435.6 GWh | Nov 1983 | Dec 2025 | Geothermal |
| Sonoma Central Landfill Phase I | County of Sonoma Dept of Trnsp | Petaluma, CA | California Independent System Operator (CISO) | 583.0 MWh | Jun 1993 | Dec 2025 | Landfill Gas |
| Sonoma Central Landfill Phase II | County of Sonoma Dept of Trnsp | Petaluma, CA | California Independent System Operator (CISO) | 1.8 GWh | May 1996 | Dec 2025 | Landfill Gas |
| Sonora 1 | CleanCapital Holdings | Jamestown, CA | California Independent System Operator (CISO) | 858.0 MWh | Nov 2013 | Dec 2025 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | May 2026 | Solar |
| Sooner | Oklahoma Gas & Electric Co | Red Rock, OK | Southwest Power Pool (SWPP) | 2.5 TWh | Oct 1979 | May 2026 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9% |
| Sophie Solar | Sophie Solar LLC | Mooresboro, NC | Duke Energy Carolinas (DUK) | 7.2 GWh | Mar 2016 | Dec 2025 | Solar |
| Soscol Ferry Solar | Soscol Ferry Solar | Napa, CA | California Independent System Operator (CISO) | 4.5 GWh | Nov 2020 | Dec 2025 | Solar |
| Soul City Solar | Cypress Creek Renewables | Norlina, NC | Duke Energy Progress East (CPLE) | 4.9 GWh | Mar 2015 | Dec 2025 | Solar |
| Source Power Company - Aldrich | Morristown Solar II, LLC | Brier Hill, NY | New York Independent System Operator (NYIS) | 6.6 GWh | Feb 2022 | Dec 2025 | Solar |
| Source Power Company - Richland | Distributed Solar Development, LLC | Richland, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Oct 2021 | Dec 2025 | Solar : 99.9% |
| Source Power Company - Silver Creek | Distributed Solar Development, LLC | Silver Creek, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Nov 2021 | Dec 2025 | Solar |
| Source Power II - Taft CSG | Distributed Solar Development, LLC | East Syracuse, NY | New York Independent System Operator (NYIS) | 4.3 GWh | Sep 2023 | Dec 2025 | Solar |
| Source Power NY II - Locust 1 | Locust Solar LLC | Cortland, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Source Power NY II - Whaling | Whaling Solar, LLC | Utica, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Aug 2023 | 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 |
| Source Power NY III - Remsen | Distributed Solar Development, LLC | Remsen, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 2023 | Dec 2025 | Solar |
| South | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 11.5 GWh | Nov 1979 | Dec 2025 | Water |
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | Western Area Power Administration - Rocky Mountain Region (WACM) | 17.2 GWh | Aug 2022 | 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 |
| South Belleville Solar, LLC | Dimension Energy LLC | Smithton Township, IL | Midcontinent Independent System Operator, Inc. (MISO) | 385.0 MWh | Oct 2025 | Dec 2025 | Solar |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | California Independent System Operator (CISO) | 473.9 GWh | Nov 1985 | May 2026 | Natural Gas |
| South Campus Solar | JPMorgan Chase Bank | Wilmington, DE | PJM Interconnection, LLC (PJM) | 2.0 GWh | Jul 2011 | Dec 2025 | Solar |
| South Canal Hydro-1 | Delta-Montrose Electric Association | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 17.1 GWh | May 2013 | Oct 2025 | Water |
| South Canal Hydro-3 | Delta-Montrose Electric Association | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 12.3 GWh | Jul 2013 | Oct 2025 | Water |
| South Cary WRF Solar Array | Town Of Cary - (NC) | Apex, NC | Duke Energy Progress East (CPLE) | 2.3 GWh | Nov 2012 | 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 |
| South Chestnut LLC | Avangrid Power LLC | Farmington, PA | PJM Interconnection, LLC (PJM) | 109.2 GWh | Mar 2012 | Dec 2025 | Wind |
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 312.4 GWh | Mar 2024 | May 2026 | Solar |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 67.8 GWh | Dec 1953 | Dec 2025 | Water |
| South County Detention Center Solar | SoCore Energy LLC | Porterville, CA | California Independent System Operator (CISO) | 2.4 GWh | Oct 2019 | Dec 2025 | Solar |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 83.3 GWh | Sep 2003 | May 2026 | Wind |
| South District Wastewater Treatment Plt | Miami Dade Water & Sewer Dept | Miami, FL | Florida Power & Light Co. (FPL) | 20.6 GWh | Feb 1991 | May 2026 | Natural Gas : 53.3% Other Biomass Gas : 46.7% |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 696.0 MWh | Aug 1985 | Nov 2025 | Water |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 19.0 GWh | Dec 1911 | Dec 2025 | Water |
| South Energy Center | Gainesville Regional Utilities | Gainesville, FL | Gainesville Regional Utilities (GVL) | 42.5 GWh | Apr 2009 | Dec 2025 | Natural Gas |
| South Field Energy | South Field Energy, LLC | Wellsville, OH | PJM Interconnection, LLC (PJM) | 7.9 TWh | Jul 2021 | May 2026 | 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% |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 5.6 GWh | Jun 2005 | Dec 2025 | Water | |
| South Fork Tolt | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 48.6 GWh | Oct 1995 | Dec 2025 | Water |
| South Fork Wind | Orsted Wind Power North America LLC | East Hampton, NY | New York Independent System Operator (NYIS) | 507.2 GWh | Jun 2024 | May 2026 | Wind |
| 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 |
| South Generation | Redwood Falls Public Util Comm | Redwood Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 281.0 MWh | Feb 2003 | Dec 2025 | Distillate Fuel Oil |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 64.5 GWh | Jul 1994 | Dec 2025 | Water |
| South Goshen Community Solar | AES Distributed Energy | Goshen, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Aug 2021 | Dec 2025 | Solar |
| South Hampton | National Grid Generation LLC | Southampton, NY | New York Independent System Operator (NYIS) | 181.0 MWh | Feb 1963 | Dec 2025 | Distillate Fuel Oil |
| South Harper | Evergy Missouri West | Kansas City, MO | Southwest Power Pool (SWPP) | 218.4 GWh | Jul 2005 | Dec 2025 | Natural Gas |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 121.5 GWh | Jan 1951 | Dec 2025 | Water |
| South Hurlburt Wind LLC | Shepherds Flat Wind LLC | Arlington, OR | Bonneville Power Administration (BPAT) | 612.0 GWh | Jun 2012 | May 2026 | Wind |
| South Louisburg Solar | Cypress Creek Renewables | Louisburg, NC | Duke Energy Progress East (CPLE) | 8.8 GWh | Aug 2016 | Dec 2025 | Solar |
| South Main Street | Rochelle Municipal Utilities - (IL) | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.2 GWh | Aug 1967 | Dec 2025 | Distillate Fuel Oil |
| South Milford Solar Plant | REUT Origination, LLC | Milford, UT | PacifiCorp East (PACE) | 7.6 GWh | Feb 2015 | Dec 2025 | Solar |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Mar 2017 | May 2026 | Solar |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 TWh | Nov 1959 | May 2026 | Subbituminous Coal : 99.5% |
| South Oaks Hospital | South Oak Hospital | Amityville, NY | New York Independent System Operator (NYIS) | 7.1 GWh | Mar 2008 | Dec 2025 | Natural Gas |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 272.5 GWh | Mar 2020 | May 2026 | Wind |
| South Plains II | Onward Energy | Lockney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.0 TWh | May 2016 | May 2026 | Wind |
| South Plains Wind Phase I | Evergreen Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 715.3 GWh | Oct 2015 | May 2026 | Wind |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 145.7 GWh | Oct 1962 | May 2026 | Natural Gas : 99.9% |
| 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 |
| 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 |
| South River H4 Solar Energy Storage | North Carolina El Member Corp | Autryville, NC | Duke Energy Progress East (CPLE) | 834.0 MWh | Feb 2023 | Dec 2025 | Solar |
| South Robeson Farm | USF Surry, LLC | Rowland, NC | Duke Energy Progress East (CPLE) | 6.5 GWh | May 2012 | Dec 2025 | Solar |
| South Sioux City Solar | Tesla Inc. | Dakota, NE | Southwest Power Pool (SWPP) | 3.5 GWh | Nov 2016 | Dec 2025 | Solar |
| South Solar | Altus Power America Management, LLC | Pamplico, SC | Duke Energy Progress East (CPLE) | 3.9 GWh | Nov 2018 | Dec 2025 | Solar |
| South Strawberry | City of Strawberry Point -(IA) | 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) | 9.0 GWh | Nov 2023 | Dec 2025 | Solar |
| South Tampa Resilience Project | Tampa Electric Co | Tampa, FL | Tampa Electric Company (TEC) | 22.6 GWh | Jan 2025 | Dec 2025 | Natural Gas |
| South Texas Project | STP Nuclear Operating Co | Wadsworth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 20.6 TWh | Jul 1988 | May 2026 | Nuclear |
| South Trent Wind Farm | NRG Energy Inc | Sweetwater, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 272.3 GWh | Dec 2008 | Dec 2025 | Wind |
| South Valley Solar Energy Center | PNM Resources | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 26.5 GWh | Nov 2015 | 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 |
| South Winston Farm, LLC | Cypress Creek Renewables | Winston-Salem, NC | Duke Energy Carolinas (DUK) | 8.0 GWh | Dec 2015 | Dec 2025 | Solar |
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 |