Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Southbridge Landfill Gas-to-Energy | Southbridge Recycling and Disposal Park | Southbridge, MA | ISO New England (ISNE) | 11.9 GWh | Sep 2011 | Dec 2024 | Landfill Gas |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 4.4 GWh | Dec 2013 | Dec 2024 | Solar |
| Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 2.1 GWh | Feb 2016 | Nov 2025 | Solar |
| Southcentral Power Project | Chugach Electric Assn Inc | Anchorage, AK | 986.1 GWh | Dec 2012 | Dec 2024 | Natural Gas | |
| Southeast Berrien Generating Facility | North American Natural Res | Niles, MI | PJM Interconnection, LLC (PJM) | 23.6 GWh | Apr 2009 | Dec 2024 | Landfill Gas |
| Southeast Kern River Cogen | Chevron USA Inc | Bakersfield, CA | California Independent System Operator (CISO) | 42.3 GWh | Jan 1989 | Nov 2025 | Natural Gas |
| 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% |
| Southerland Farm Solar | Strata Manager, LLC | Henderson, NC | Duke Energy Progress East (CPLE) | 9.5 GWh | Oct 2016 | Dec 2024 | Solar |
| Southern Current One, LLC | Southern Current One, LLC | Fairfax, SC | Dominion Energy South Carolina, Inc. (SCEG) | 14.4 GWh | Nov 2017 | Dec 2024 | Solar |
| Southern Hills Wind Farm | MidAmerican Energy Co | Creston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 808.1 GWh | Feb 2021 | Nov 2025 | Wind |
| Southern Minnesota Beet Sugar | Southern Minnesota Beet Sugar | Renville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 24.9 GWh | Aug 1976 | Nov 2025 | Subbituminous Coal : 70.4% Natural Gas : 29.1% Residual Fuel Oil : 0.5% |
| Southern Sky Renew Energy Berkley LLC | Southern Sky Renewable Energy Berkley, LLC | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | May 2014 | Dec 2024 | Solar |
| Southfork Solar | Florida Power & Light Co | Parrish, FL | Florida Power & Light Co. (FPL) | 140.5 GWh | Mar 2020 | Nov 2025 | Solar |
| Southington Solar One | DG Connecticut III, LLC | Southington, CT | ISO New England (ISNE) | 8.8 GWh | Jan 2022 | Dec 2024 | Solar |
| Southold | National Grid Generation LLC | Greenport, NY | New York Independent System Operator (NYIS) | 686.0 MWh | Jul 1964 | Dec 2024 | Distillate Fuel Oil |
| Southside SD | Entegrity Solar Southside SD, LLC | Little Rock, AR | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | May 2023 | Dec 2024 | Solar |
| Southside Water Reclamation Plant | Albuquerque City of | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 17.0 GWh | Jan 1987 | Nov 2025 | Other Biomass Gas : 79.2% Natural Gas : 20.8% |
| Southwark | Constellation Power, Inc | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 119.0 MWh | May 1967 | Dec 2024 | Distillate Fuel Oil |
| Southwest Arkansas Electric | Today's Power, Inc. | Texarkana, AR | Southwest Power Pool (SWPP) | 2.2 GWh | Jan 2020 | Dec 2024 | Solar |
| Southwestern | Public Service Co of Oklahoma | Anadarko, OK | Southwest Power Pool (SWPP) | 779.4 GWh | Jun 1952 | Dec 2024 | Natural Gas |
| Southwestern Bell Telephone | AT&T | St. Louis, MO | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Jan 1992 | Nov 2025 | Distillate Fuel Oil |
| Southwick | Power Depot Group A, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 111.0 MWh | Oct 2013 | Dec 2024 | Distillate Fuel Oil |
| Southwick Solar | Southwick Solar, LLC | Graham, NC | Duke Energy Carolinas (DUK) | 5.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Southwick Solar PV | NSTAR Electric Company | Southwick, MA | ISO New England (ISNE) | 7.9 GWh | Dec 2018 | Nov 2025 | Solar |
| Sowega Power | SOWEGA Power LLC | Baconton, GA | Southern Company Services, Inc. - Trans (SOCO) | 53.4 GWh | May 1999 | Nov 2024 | Natural Gas |
| SPA Cogen 3 | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 610.0 GWh | Nov 1997 | Nov 2025 | Natural Gas |
| Space Coast Next Gen Solar Energy | Florida Power & Light Co | Merritt Island, FL | Florida Power & Light Co. (FPL) | 8.6 GWh | Mar 2010 | Dec 2024 | Solar |
| Spalding | Village of Spalding - (NE) | Spalding, NE | Southwest Power Pool (SWPP) | 4.0 MWh | Jun 1919 | Dec 2024 | Water : 50.0% Distillate Fuel Oil : 50.0% |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Spanish Fork Community Solar | Utah Municipal Power Agency | Spanish Fork, UT | PacifiCorp East (PACE) | 7.3 GWh | Jun 2021 | Dec 2024 | Solar |
| Spanish Fork Wind Park 2 LLC | Spanish Fork Wind Park 2, LLC | Spanish Fork, UT | PacifiCorp East (PACE) | 43.6 GWh | Jun 2008 | Nov 2025 | Wind |
| Spanish Peaks Solar | Spanish Peaks Solar LLC | Trinidad, CO | Public Service Company of Colorado (PSCO) | 329.1 GWh | Nov 2024 | Nov 2025 | Solar |
| Spano Solar - Belmar Wall | Belmar Gateway Solar LLC | Belmar, NJ | New York Independent System Operator (NYIS) | 2.0 GWh | Oct 2022 | Dec 2024 | Solar |
| Spano Solar - Ocean County Landfill - CS | Distributed Solar Development, LLC | Manchester Township, NJ | PJM Interconnection, LLC (PJM) | 4.2 GWh | Sep 2022 | Dec 2024 | Solar |
| Sparkleberry | Florida Power & Light Co | Molino, FL | Florida Power & Light Co. (FPL) | 167.1 GWh | Feb 2024 | Nov 2025 | Solar |
| Sparta Solar | Sparta Solar, LLC | Pawnee, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 454.2 GWh | Mar 2024 | Nov 2025 | Solar |
| Spartan | Altus Power America Management, LLC | North Hanover, NJ | PJM Interconnection, LLC (PJM) | 13.2 GWh | Feb 2017 | Dec 2024 | Solar |
| Spartan Hills LLC | CHI Operations Inc | Lake Benton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 2000 | Dec 2024 | Wind |
| Spartan PV 1, LLC | NJR Clean Energy Ventures Corporation | East Lansing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 GWh | Nov 2017 | Dec 2024 | Solar |
| Spartanburg Water System | Spartanburg Commissioners PW | Chesnee, SC | Duke Energy Carolinas (DUK) | 1.7 GWh | Dec 1925 | Nov 2025 | Water : 95.0% Distillate Fuel Oil : 5.0% |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.6 GWh | Apr 1928 | Dec 2024 | Water |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 15.6 GWh | Jan 1929 | Dec 2024 | Water |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.9 GWh | Sep 1912 | Dec 2024 | Water |
| Spearville | Evergy Metro | Ford, KS | Southwest Power Pool (SWPP) | 133.6 GWh | Aug 2006 | Dec 2024 | Wind |
| Spearville 3 LLC | EDF Renewable Asset Holdings, Inc. | Spearville, KS | Southwest Power Pool (SWPP) | 170.4 GWh | Sep 2012 | Dec 2024 | Wind |
| Speckled Perch | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 178.4 GWh | - | Nov 2025 | Solar |
| Spectrum Solar Hybrid | Spectrum Solar LLC | Oxon Hill, MD | PJM Interconnection, LLC (PJM) | 10.7 GWh | Nov 2023 | Dec 2024 | Solar |
| Spectrum Solar PV Power Project | Southern Power Co | Las Vegas, NV | Nevada Power Company (NEVP) | 84.0 GWh | Aug 2013 | Dec 2024 | Solar |
| Speedway Solar, LLC | Speedway Solar, LLC | Morrison Town, IN | Midcontinent Independent System Operator, Inc. (MISO) | 199.7 GWh | - | Nov 2025 | Solar |
| Speedway Solar NC, LLC | Duke Energy Renewables Services | Midland, NC | Duke Energy Carolinas (DUK) | 33.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Spencer | City of Garland - (TX) | Denton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.8 GWh | May 1966 | Nov 2024 | Natural Gas |
| Spencer Farm, LLC | Strata Manager, LLC | Salisbury, NC | Duke Energy Carolinas (DUK) | 9.5 GWh | Mar 2017 | Dec 2024 | Solar |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 651.0 MWh | Dec 1969 | Dec 2024 | Kerosene |
| Spencer Meadow Solar Energy Storage | North Carolina El Member Corp | Asheboro, NC | Duke Energy Progress East (CPLE) | 3.7 GWh | Dec 2021 | Dec 2024 | Solar |
| Spencer (NY) | Generate Capital | Candor, NY | New York Independent System Operator (NYIS) | 7.0 GWh | Dec 2023 | Dec 2024 | Solar |
| Spencer Solar MA | Citizens Enterprises Corporation | Spencer, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2020 | Dec 2024 | Solar |
| 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% |
| Spica Community Solar | Spica Community Solar | Lake Lillian, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Jul 2017 | Dec 2024 | Solar |
| Spicer Meadow Project | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 21.6 GWh | Oct 1989 | Dec 2024 | Water |
| Spicewood Solar Farm LLC | Strata Manager, LLC | Eagle Springs, NC | Duke Energy Progress East (CPLE) | 9.0 GWh | Jun 2014 | Dec 2024 | Solar |
| Spier Falls | Erie Boulevard Hydropower LP | Gansevoort, NY | New York Independent System Operator (NYIS) | 249.0 GWh | Dec 1923 | Sep 2024 | Water |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 5.6 GWh | Jul 1950 | Aug 2024 | Water |
| Spindle Hill Energy Center | Invenergy Services LLC | Fort Lupton, CO | Public Service Company of Colorado (PSCO) | 727.6 GWh | Apr 2007 | Nov 2025 | Natural Gas |
| Spinning Spur Wind II | EDF Renewable Asset Holdings, Inc. | Adrian, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 516.4 GWh | Jun 2014 | Dec 2024 | Wind |
| Spinning Spur Wind III | Boralex US Operations LLC | Adrian, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 815.8 GWh | Aug 2015 | Dec 2024 | Wind |
| Spinning Spur Wind LLC | EDF Renewable Asset Holdings, Inc. | Vegas, TX | Southwest Power Pool (SWPP) | 334.2 GWh | Oct 2012 | Dec 2024 | Wind |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 110.8 GWh | Nov 2012 | Dec 2024 | Wind |
| Spirit Mound | Basin Electric Power Coop | Vermillion, SD | Southwest Power Pool (SWPP) | 2.3 GWh | May 1978 | Nov 2025 | Distillate Fuel Oil |
| 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 |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 171.5 GWh | Oct 2014 | Nov 2025 | Natural Gas : 57.0% Refined Coal : 43.0% |
| Spokane Waste to Energy | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 134.0 GWh | Aug 1991 | Nov 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Spooner Solar Array | AEP Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | May 2019 | Dec 2024 | Solar |
| SPPW1, LLC | SPPW1, LLC | Upland, NE | Southwest Power Pool (SWPP) | 25.2 GWh | Jun 2022 | Dec 2024 | Wind |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 2.3 GWh | Sep 1989 | Apr 2024 | Water |
| Spreckels Sugar Company | Spreckels Sugar Company | Brawley, CA | Imperial Irrigation District (IID) | 19.9 GWh | Mar 1948 | Dec 2024 | Natural Gas |
| Spring Canyon | Invenergy Services LLC | Peetz, CO | Public Service Company of Colorado (PSCO) | 154.4 GWh | Jan 2006 | Dec 2024 | Wind |
| Spring Canyon Expansion Wind Energy Ctr | Spring Canyon Expansion LLC | Peetz, CO | Public Service Company of Colorado (PSCO) | 71.9 GWh | Sep 2014 | Dec 2024 | Wind |
| Spring Creek | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 391.1 GWh | Dec 1963 | Nov 2025 | Water |
| Spring Creek Energy Center | Evergy Kansas Central, Inc | Edmond, OK | Southwest Power Pool (SWPP) | 187.9 GWh | Apr 2001 | Dec 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 |
| Spring Grove I | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 184.0 GWh | Oct 2020 | Nov 2025 | Solar |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 876.0 MWh | Nov 2015 | Nov 2025 | Solar |
| Spring Hope Solar 2, LLC | Spring Hope Solar 2, LLC | Spring Hope, NC | Duke Energy Carolinas (DUK) | 8.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Spring Hope Solar 3, LLC | Spring Hope Solar 3, LLC | Spring Hope, NC | Duke Energy Progress East (CPLE) | 5.6 GWh | Nov 2020 | Dec 2024 | Solar |
| Spring House | Janssen Pharmaceutical Co | Spring House, PA | PJM Interconnection, LLC (PJM) | 12.4 GWh | Mar 2013 | Dec 2024 | Natural Gas |
| Spring Lane | MN8 Energy LLC | Ligonier, PA | PJM Interconnection, LLC (PJM) | 667.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Spring Mill Solar RES | Hoosier Energy R E C, Inc | Mitchell, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Aug 2017 | Dec 2024 | Solar |
| Spring Prairie Solar LLC CSG | United States Solar Corporation | Glyndon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Apr 2024 | Dec 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 |
| Spring Street Solar 1 CSG | Spring Street Solar 1, LLC | Carver, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2017 | Dec 2024 | Solar |
| Spring Valley | Spring Valley Pub Utils Comm | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 156.8 MWh | Dec 1951 | Dec 2024 | Distillate Fuel Oil : 78.5% Natural Gas : 21.5% |
| Spring Valley Farm 2, LLC | Strata Manager, LLC | Henderson, NC | Duke Energy Progress East (CPLE) | 8.9 GWh | Mar 2017 | Dec 2024 | Solar |
| Spring Valley Wind Project | Pattern Operators LP | Ely, NV | Nevada Power Company (NEVP) | 343.9 GWh | Jul 2012 | Nov 2025 | Wind |
| Springbok 3 Solar Farm Hybrid | 64KT 8me LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 251.7 GWh | Jun 2019 | Nov 2025 | Solar |
| Springbok Solar Farm 1 | 62SK 8me, LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 297.7 GWh | Jun 2016 | Dec 2024 | Solar |
| Springbok Solar Farm 2 | 63SU 8me, LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 399.0 GWh | Aug 2016 | Dec 2024 | Solar |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 130.9 GWh | Nov 1999 | Dec 2024 | Natural Gas |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.8 GWh | Jun 2022 | Dec 2024 | Solar |
| Springer Solar 1 | Springer Electric Coop, Inc | Springer, NM | Public Service Company of New Mexico (PNM) | 2.0 GWh | Apr 2015 | Dec 2024 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.4 TWh | May 1985 | Nov 2025 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.5% |
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 |