Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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) | 46.6 GWh | Jun 2008 | Sep 2025 | Wind |
| Spanish Peaks Solar | Spanish Peaks Solar LLC | Trinidad, CO | Public Service Company of Colorado (PSCO) | 281.5 GWh | Nov 2024 | Sep 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) | 165.7 GWh | Feb 2024 | Sep 2025 | Solar |
| Sparta Solar | Sparta Solar, LLC | Pawnee, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 475.3 GWh | Mar 2024 | Sep 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) | 2.1 GWh | Dec 1925 | Sep 2025 | Water : 91.8% Distillate Fuel Oil : 8.2% |
| 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) | 148.7 GWh | - | Sep 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) | 154.0 GWh | - | Sep 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) | 752.2 GWh | Apr 2007 | Sep 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) | 2.2 GWh | May 1978 | Aug 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) | 154.3 GWh | Oct 2014 | Sep 2025 | Natural Gas : 59.9% Refined Coal : 40.1% |
| Spokane Waste to Energy | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 134.4 GWh | Aug 1991 | Sep 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) | 375.4 GWh | Dec 1963 | Sep 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) | 178.8 GWh | Oct 2020 | Sep 2025 | Solar |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 772.0 MWh | Nov 2015 | Sep 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) | 348.7 GWh | Jul 2012 | Sep 2025 | Wind |
| Springbok 3 Solar Farm Hybrid | 64KT 8me LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 252.6 GWh | Jun 2019 | Sep 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) | 5.2 TWh | May 1985 | Sep 2025 | Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.5% |
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | May 1994 | Dec 2024 | Distillate Fuel Oil |
| Springfield Solar | Dominion Renewable Energy | Montross, VA | PJM Interconnection, LLC (PJM) | 2.1 GWh | Jun 2024 | Dec 2024 | Solar |
| Springfield Solar 1 LLC | Strata Manager, LLC | Strafford, MO | Southwest Power Pool (SWPP) | 7.3 GWh | May 2014 | Sep 2025 | Solar |
| Springfield Solar LLC | Laurel Capital Partners | Springfield, OH | PJM Interconnection, LLC (PJM) | 277.0 MWh | Oct 2012 | Dec 2024 | Solar |
| Springfield Solar Project | NJR Clean Energy Ventures Corporation | Springfield Twp., NJ | PJM Interconnection, LLC (PJM) | 11.8 GWh | Sep 2018 | Dec 2024 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 5.9 GWh | Dec 2018 | Dec 2024 | Solar |
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 202.6 GWh | Nov 2023 | Sep 2025 | Solar |
| Springfield Wind | Arkansas River Power Authority | Springfield, CO | Public Service Company of Colorado (PSCO) | 5.3 GWh | Jan 2004 | Dec 2024 | Wind |
| Springhill Gas Recovery Plant | WM Renewable Energy LLC | Campbellton, FL | Southern Company Services, Inc. - Trans (SOCO) | 35.3 GWh | Apr 2006 | Dec 2024 | Landfill Gas |
| Springs Generating Station | City of Riverside - (CA) | Riverside, CA | California Independent System Operator (CISO) | 825.0 MWh | Jun 2002 | Dec 2024 | Natural Gas |
| Springview | Bluestem LLC | Springview, NE | Southwest Power Pool (SWPP) | 9.7 GWh | May 2011 | Dec 2024 | Wind |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 98.0 MWh | Feb 1994 | Dec 2024 | Water |
| Spruance Operating Services LLC | Veolia Energy Operating Service | Richmond, VA | PJM Interconnection, LLC (PJM) | 61.9 GWh | Apr 1992 | Sep 2025 | Natural Gas |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 53.8 GWh | Nov 2011 | Dec 2024 | Wind |
| Spruce Ridge Gas Recovery | WM Renewable Energy LLC | Glencoe, MN | Midcontinent Independent System Operator, Inc. (MISO) | 22.4 GWh | Mar 2008 | Dec 2024 | Landfill Gas |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Apr 2015 | Dec 2024 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Feb 2016 | Dec 2024 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2015 | Dec 2024 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Oct 2015 | Dec 2024 | Solar |
| SPS1 Dollarhide | SunE SPS1, LLC | Jal, NM | Southwest Power Pool (SWPP) | 23.0 GWh | Aug 2011 | Dec 2024 | Solar |
| SPS2 Jal | SunE SPS2, LLC | Jal, NM | Southwest Power Pool (SWPP) | 21.1 GWh | Aug 2011 | Dec 2024 | Solar |
| SPS3 Lea | SunE SPS3, LLC | Eunice, NM | Southwest Power Pool (SWPP) | 23.0 GWh | Oct 2011 | Dec 2024 | Solar |
| SPS4 Monument | SunE SPS4, LLC | Monument, NM | Southwest Power Pool (SWPP) | 22.9 GWh | Nov 2011 | Dec 2024 | Solar |
| SPS5 Hopi | SunE SPS5, LLC | Carlsbad, NM | Southwest Power Pool (SWPP) | 22.0 GWh | Nov 2011 | Dec 2024 | Solar |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 426.0 MWh | Nov 1941 | Jul 2024 | Water |
| Square Barn Solar | Forefront Power, LLC | Algonquin, IL | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jul 2020 | Dec 2024 | Solar |
| SR Ailey | SR Ailey, LLC | Ailey, GA | Southern Company Services, Inc. - Trans (SOCO) | 173.1 GWh | Nov 2024 | Sep 2025 | Solar |
| SR Arlington I | SR Arlington, LLC | Arlington, GA | Southern Company Services, Inc. - Trans (SOCO) | 43.5 GWh | Nov 2021 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |