Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Southwick Solar, LLC Community Solar | Navisun LLC | Southwick, MA | ISO New England (ISNE) | 3.5 GWh | Apr 2025 | Dec 2025 | Solar |
| Southwick Solar | SunStrong Management | Graham, NC | Duke Energy Carolinas (DUK) | 5.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Southwick | Power Depot Group A, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 65.0 MWh | Oct 2013 | Dec 2025 | Distillate Fuel Oil |
| Southwestern Bell Telephone | AT&T | St. Louis, MO | Midcontinent Independent System Operator, Inc. (MISO) | 51.0 MWh | Jan 1992 | Aug 2026 | Distillate Fuel Oil |
| Southwestern | Public Service Co of Oklahoma | Anadarko, OK | Southwest Power Pool (SWPP) | 453.5 GWh | Jun 1952 | Dec 2025 | Natural Gas |
| Southwest Arkansas Electric | Today's Power, Inc. | Texarkana, AR | Southwest Power Pool (SWPP) | 2.1 GWh | Jan 2020 | Dec 2025 | Solar |
| Southwark | Constellation Power, Inc | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 1.3 GWh | May 1967 | Dec 2025 | Distillate Fuel Oil |
| Southside Water Reclamation Plant | Albuquerque City of | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 23.2 GWh | Jan 1987 | Aug 2026 | Other Biomass Gas : 52.5% Natural Gas : 47.5% |
| Southside SD | Entegrity Solar Southside SD, LLC | Little Rock, AR | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | May 2023 | Dec 2025 | Solar |
| Southold | National Grid Generation LLC | Greenport, NY | New York Independent System Operator (NYIS) | 483.0 MWh | Jul 1964 | Dec 2025 | Distillate Fuel Oil |
| Southington Solar One | DG Connecticut III, LLC | Southington, CT | ISO New England (ISNE) | 9.1 GWh | Jan 2022 | Dec 2025 | Solar |
| Southfork Solar | Florida Power & Light Co | Parrish, FL | Florida Power & Light Co. (FPL) | 175.0 GWh | Mar 2020 | Aug 2026 | Solar |
| Southern Sky Renew Energy Berkley LLC | Southern Sky Renewable Energy Berkley, LLC | Berkley, MA | ISO New England (ISNE) | 4.2 GWh | May 2014 | Dec 2025 | 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% |
| Southern Hills Wind Farm | MidAmerican Energy Co | Creston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 804.9 GWh | Feb 2021 | Aug 2026 | Wind |
| Southern Current One, LLC | SunStrong Management | Fairfax, SC | Dominion Energy South Carolina, Inc. (SCEG) | 12.1 GWh | Nov 2017 | Dec 2025 | Solar |
| Southerland Farm Solar | Strata Manager, LLC | Henderson, NC | Duke Energy Progress East (CPLE) | 8.7 GWh | Oct 2016 | Dec 2025 | Solar |
| Southeast Kern River Cogen | Chevron USA Inc | Bakersfield, CA | California Independent System Operator (CISO) | 49.1 GWh | Jan 1989 | Aug 2026 | Natural Gas |
| Southeast Berrien Generating Facility | North American Natural Res | Niles, MI | PJM Interconnection, LLC (PJM) | 20.5 GWh | Apr 2009 | Dec 2025 | Landfill Gas |
| Southcentral Power Project | Chugach Electric Assn Inc | Anchorage, AK | 1.1 TWh | Dec 2012 | Dec 2025 | Natural Gas | |
| Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2016 | Aug 2026 | Solar |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 3.8 GWh | Dec 2013 | Dec 2025 | Solar |
| 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 |
| Southampton Solar PV | NSTAR Electric Company | Southampton, MA | ISO New England (ISNE) | 2.6 GWh | Jan 2019 | Dec 2025 | Solar |
| Southampton Solar, LLC | Dominion Renewable Energy | Newsoms, VA | PJM Interconnection, LLC (PJM) | 206.4 GWh | Oct 2017 | Aug 2026 | 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% |
| South Winston Farm, LLC | Cypress Creek Renewables | Winston-Salem, NC | Duke Energy Carolinas (DUK) | 8.0 GWh | Dec 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 Valley Solar Energy Center | PNM Resources | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 26.5 GWh | Nov 2015 | Dec 2025 | Solar |
| 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 Texas Project | STP Nuclear Operating Co | Wadsworth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 20.3 TWh | Jul 1988 | Aug 2026 | Nuclear |
| South Tampa Resilience Project | Tampa Electric Co | Tampa, FL | Tampa Electric Company (TEC) | 22.6 GWh | Jan 2025 | Dec 2025 | Natural Gas |
| South Street - Middlebury | Greenbacker Renewable Energy Corporation | Middlebury, VT | ISO New England (ISNE) | 9.0 GWh | Nov 2023 | Dec 2025 | Solar |
| South Strawberry | City of Strawberry Point -(IA) | Strawberry Point, IA | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 MWh | Dec 2001 | Dec 2025 | Distillate Fuel Oil |
| South Solar | Altus Power America Management, LLC | Pamplico, SC | Duke Energy Progress East (CPLE) | 3.9 GWh | Nov 2018 | Dec 2025 | Solar |
| South Sioux City Solar | Tesla Inc. | Dakota, NE | Southwest Power Pool (SWPP) | 3.5 GWh | Nov 2016 | 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 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 Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.9 TWh | Feb 2001 | Aug 2026 | Natural Gas |
| 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 Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 223.6 GWh | Oct 1962 | Aug 2026 | Natural Gas : 99.9% |
| South Plains Wind Phase I | Evergreen Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 737.3 GWh | Oct 2015 | Aug 2026 | Wind |
| South Plains II | Onward Energy | Lockney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.1 TWh | May 2016 | Aug 2026 | Wind |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 268.1 GWh | Mar 2020 | Aug 2026 | Wind |
| South Oaks Hospital | South Oak Hospital | Amityville, NY | New York Independent System Operator (NYIS) | 7.1 GWh | Mar 2008 | Dec 2025 | Natural Gas |
| 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% |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 4.7 GWh | Mar 2017 | Aug 2026 | Solar |
| South Milford Solar Plant | REUT Origination, LLC | Milford, UT | PacifiCorp East (PACE) | 7.6 GWh | Feb 2015 | 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 Louisburg Solar | Cypress Creek Renewables | Louisburg, NC | Duke Energy Progress East (CPLE) | 8.8 GWh | Aug 2016 | Dec 2025 | Solar |
| South Hurlburt Wind LLC | Shepherds Flat Wind LLC | Arlington, OR | Bonneville Power Administration (BPAT) | 658.9 GWh | Jun 2012 | Aug 2026 | Wind |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 121.5 GWh | Jan 1951 | Dec 2025 | Water |
| South Harper | Evergy Missouri West | Kansas City, MO | Southwest Power Pool (SWPP) | 218.4 GWh | Jul 2005 | Dec 2025 | Natural Gas |
| 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 Goshen Community Solar | AES Distributed Energy | Goshen, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Aug 2021 | Dec 2025 | Solar |
| 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 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 Garden | South Garden LLC | Winstead, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jun 2023 | Dec 2025 | Solar |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.3 GWh | Nov 1984 | Oct 2025 | Water |
| 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 Fork Wind | Orsted Wind Power North America LLC | East Hampton, NY | New York Independent System Operator (NYIS) | 521.6 GWh | Jun 2024 | Aug 2026 | Wind |
| South Fork Tolt | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 48.6 GWh | Oct 1995 | Dec 2025 | Water |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 5.6 GWh | Jun 2005 | Dec 2025 | Water | |
| 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 Field Energy | South Field Energy, LLC | Wellsville, OH | PJM Interconnection, LLC (PJM) | 7.9 TWh | Jul 2021 | Aug 2026 | Natural Gas |
| South Energy Center | Gainesville Regional Utilities | Gainesville, FL | Gainesville Regional Utilities (GVL) | 42.5 GWh | Apr 2009 | Dec 2025 | Natural Gas |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 19.0 GWh | Dec 1911 | Dec 2025 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 696.0 MWh | Aug 1985 | Nov 2025 | Water |
| South District Wastewater Treatment Plt | Miami Dade Water & Sewer Dept | Miami, FL | Florida Power & Light Co. (FPL) | 20.1 GWh | Feb 1991 | Aug 2026 | Other Biomass Gas : 53.7% Natural Gas : 46.3% |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 83.9 GWh | Sep 2003 | Aug 2026 | Wind |
| South County Detention Center Solar | SoCore Energy LLC | Porterville, CA | California Independent System Operator (CISO) | 2.4 GWh | Oct 2019 | Dec 2025 | Solar |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 67.8 GWh | Dec 1953 | Dec 2025 | Water |
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 319.6 GWh | Mar 2024 | Aug 2026 | Solar |
| South Chestnut LLC | Avangrid Power LLC | Farmington, PA | PJM Interconnection, LLC (PJM) | 109.2 GWh | Mar 2012 | Dec 2025 | Wind |
| 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 Cary WRF Solar Array | Town Of Cary - (NC) | Apex, NC | Duke Energy Progress East (CPLE) | 2.3 GWh | Nov 2012 | Dec 2025 | Solar |
| 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 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 Campus Solar | JPMorgan Chase Bank | Wilmington, DE | PJM Interconnection, LLC (PJM) | 2.0 GWh | Jul 2011 | Dec 2025 | Solar |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | California Independent System Operator (CISO) | 477.5 GWh | Nov 1985 | Aug 2026 | Natural Gas |
| 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 Atlantic Services Solar Farm I | South Atlantic Services Inc | Wilmington, NC | Duke Energy Carolinas (DUK) | 2.1 GWh | Nov 2013 | Dec 2025 | Solar |
| 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 | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 11.5 GWh | Nov 1979 | Dec 2025 | Water |
| 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 |
| 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 II - Whaling | Whaling Solar, LLC | Utica, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Aug 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 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 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 Company - Richland | Distributed Solar Development, LLC | Richland, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Oct 2021 | 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 |
| Soul City Solar | Cypress Creek Renewables | Norlina, NC | Duke Energy Progress East (CPLE) | 4.9 GWh | Mar 2015 | Dec 2025 | Solar |
| Soscol Ferry Solar | Soscol Ferry Solar | Napa, CA | California Independent System Operator (CISO) | 4.5 GWh | Nov 2020 | Dec 2025 | Solar |
| Sophie Solar | Sophie Solar LLC | Mooresboro, NC | Duke Energy Carolinas (DUK) | 7.2 GWh | Mar 2016 | Dec 2025 | Solar |
| Sooner | Oklahoma Gas & Electric Co | Red Rock, OK | Southwest Power Pool (SWPP) | 2.5 TWh | Oct 1979 | Aug 2026 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9% |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 984.0 GWh | Jun 2023 | Aug 2026 | Solar |
| Sonora 1 | CleanCapital Holdings | Jamestown, CA | California Independent System Operator (CISO) | 858.0 MWh | Nov 2013 | Dec 2025 | Solar |
| 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 |
| 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 |
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 |