Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sparkleberry | Florida Power & Light Co | Molino, FL | Florida Power & Light Co. (FPL) | 165.8 GWh | Feb 2024 | Aug 2026 | Solar |
| Sparta Solar | Sparta Solar, LLC | Pawnee, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 560.8 GWh | Mar 2024 | Aug 2026 | Solar |
| Spartan | Altus Power America Management, LLC | North Hanover, NJ | PJM Interconnection, LLC (PJM) | 13.5 GWh | Feb 2017 | Dec 2025 | 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) | 12.2 GWh | Nov 2017 | Dec 2025 | Solar |
| Spartanburg Water System | Spartanburg Commissioners PW | Chesnee, SC | Duke Energy Carolinas (DUK) | 497.0 MWh | Dec 1925 | Aug 2026 | Water : 78.3% Distillate Fuel Oil : 21.7% |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.4 GWh | Apr 1928 | Dec 2025 | Water |
| Spaulding 2 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 21.0 MWh | Jun 1928 | Nov 2025 | Water |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 16.9 GWh | Jan 1929 | Dec 2025 | Water |
| Spearfish Hydro | City of Spearfish - (SD) | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.4 GWh | Sep 1912 | Dec 2025 | Water |
| Spearville | Evergy Metro | Ford, KS | Southwest Power Pool (SWPP) | 128.1 GWh | Aug 2006 | Dec 2025 | Wind |
| Spearville 3 LLC | EDF Renewable Asset Holdings, Inc. | Spearville, KS | Southwest Power Pool (SWPP) | 170.5 GWh | Sep 2012 | Dec 2025 | Wind |
| Speckled Perch | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 188.3 GWh | Dec 2024 | Aug 2026 | Solar |
| Spectrum Solar Hybrid | Spectrum Solar LLC | Oxon Hill, MD | PJM Interconnection, LLC (PJM) | 10.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Spectrum Solar PV Power Project | Southern Power Co | Las Vegas, NV | Nevada Power Company (NEVP) | 81.8 GWh | Aug 2013 | Dec 2025 | Solar |
| Speedway North Bldg 1-sllas701 | Prologis Logistics Services Incorporated | Las Vegas, NV | Nevada Power Company (NEVP) | 582.0 MWh | Jun 2023 | Dec 2025 | Solar |
| Speedway Solar, LLC | Speedway Solar, LLC | Morrison Town, IN | Midcontinent Independent System Operator, Inc. (MISO) | 388.5 GWh | May 2025 | Aug 2026 | Solar |
| Speedway Solar NC, LLC | Deriva Energy | Midland, NC | Duke Energy Carolinas (DUK) | 39.6 GWh | Nov 2021 | Dec 2025 | Solar |
| Spencer | City of Garland - (TX) | Denton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 19.7 GWh | May 1966 | Nov 2025 | Natural Gas |
| Spencer Farm, LLC | Strata Manager, LLC | Salisbury, NC | Duke Energy Carolinas (DUK) | 9.0 GWh | Mar 2017 | Dec 2025 | Solar |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.0 MWh | Dec 1969 | Dec 2025 | Kerosene |
| Spencer Meadow Solar Energy Storage | North Carolina El Member Corp | Asheboro, NC | Duke Energy Progress East (CPLE) | 3.7 GWh | Dec 2021 | Dec 2025 | Solar |
| Spencer (NY) | Generate Capital | Candor, NY | New York Independent System Operator (NYIS) | 9.1 GWh | Dec 2023 | Dec 2025 | Solar |
| Spencer Solar CSG | Madison Energy Investments LLC | Spencer, MA | ISO New England (ISNE) | 584.0 MWh | May 2025 | Dec 2025 | Solar |
| Spencer Solar MA | Citizens Enterprises Corporation | Spencer, MA | ISO New England (ISNE) | 4.0 GWh | Feb 2020 | Dec 2025 | Solar |
| SPI Anderson 2 | Sierra Pacific Industries | Anderson, CA | California Independent System Operator (CISO) | 122.1 GWh | Jul 2015 | Dec 2025 | Wood/Wood Waste Solids : 99.3% Natural Gas : 0.7% |
| Spica Community Solar | Spica Community Solar | Lake Lillian, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Jul 2017 | Dec 2025 | Solar |
| Spicer Meadow Project | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 14.4 GWh | Oct 1989 | Dec 2025 | Water |
| Spicewood Solar Farm LLC | Strata Manager, LLC | Eagle Springs, NC | Duke Energy Progress East (CPLE) | 9.1 GWh | Jun 2014 | Dec 2025 | Solar |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 4.8 GWh | Jul 1950 | Dec 2025 | Water |
| Spindle Hill Energy Center | Invenergy Services LLC | Fort Lupton, CO | Public Service Company of Colorado (PSCO) | 250.3 GWh | Apr 2007 | Aug 2026 | Natural Gas : 99.9% |
| Spinning Spur Wind II | EDF Renewable Asset Holdings, Inc. | Adrian, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 381.2 GWh | Jun 2014 | Dec 2025 | Wind |
| Spinning Spur Wind III | Boralex US Operations LLC | Adrian, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 718.6 GWh | Aug 2015 | Dec 2025 | Wind |
| Spinning Spur Wind LLC | EDF Renewable Asset Holdings, Inc. | Vegas, TX | Southwest Power Pool (SWPP) | 347.0 GWh | Oct 2012 | Dec 2025 | Wind |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 97.7 GWh | Nov 2012 | Dec 2025 | Wind |
| Spirit Mound | Basin Electric Power Coop | Vermillion, SD | Southwest Power Pool (SWPP) | 2.6 GWh | May 1978 | Aug 2026 | Distillate Fuel Oil |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 16.1 GWh | Sep 1994 | Oct 2025 | Water |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 271.3 GWh | Oct 2014 | Aug 2026 | Natural Gas : 62.2% Refined Coal : 37.8% |
| Split Rail Solar Energy LLC | Invenergy Services LLC | Warrenton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 239.0 GWh | - | Aug 2026 | Solar |
| Spokane Waste to Energy | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 129.5 GWh | Aug 1991 | Aug 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Spooner Solar Array | Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | May 2019 | Dec 2025 | Solar |
| SPPW1, LLC | SPPW1, LLC | Upland, NE | Southwest Power Pool (SWPP) | 24.5 GWh | Jun 2022 | Dec 2025 | Wind |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 1.1 GWh | Sep 1989 | Dec 2025 | Water |
| Spreckels Sugar Company | Spreckels Sugar Company | Brawley, CA | Imperial Irrigation District (IID) | 19.9 GWh | Mar 1948 | Dec 2024 | Natural Gas |
| Spring Brook Solar WI, LLC | Wisconsin Electric Power Co | Whitewater, WI | Midcontinent Independent System Operator, Inc. (MISO) | 630.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Spring Canyon | Invenergy Services LLC | Peetz, CO | Public Service Company of Colorado (PSCO) | 161.7 GWh | Jan 2006 | Dec 2025 | Wind |
| Spring Canyon Expansion Wind Energy Ctr | Spring Canyon Expansion LLC | Peetz, CO | Public Service Company of Colorado (PSCO) | 103.6 GWh | Sep 2014 | Dec 2025 | Wind |
| Spring Creek | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 455.2 GWh | Dec 1963 | Aug 2026 | Water |
| Spring Creek Energy Center | Evergy Kansas Central, Inc | Edmond, OK | Southwest Power Pool (SWPP) | 123.6 GWh | Apr 2001 | Dec 2025 | Natural Gas |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 11.6 GWh | Aug 1921 | Dec 2025 | Water |
| Spring Grove I | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 197.8 GWh | Oct 2020 | Aug 2026 | Solar |
| Spring Grove Solar 2 | Urban Grid Solar | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 211.2 GWh | Nov 2025 | Aug 2026 | Solar |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 286.0 MWh | Nov 2015 | Aug 2026 | Solar |
| Spring Hope Solar 2, LLC | Spring Hope Solar 2, LLC | Spring Hope, NC | Duke Energy Carolinas (DUK) | 9.4 GWh | Nov 2021 | Dec 2025 | Solar |
| Spring Hope Solar 3, LLC | SunStrong Management | Spring Hope, NC | Duke Energy Progress East (CPLE) | 6.3 GWh | Nov 2020 | Dec 2025 | Solar |
| Spring House | Janssen Pharmaceutical Co | Spring House, PA | PJM Interconnection, LLC (PJM) | 18.5 GWh | Mar 2013 | Dec 2025 | Natural Gas |
| Spring Lane | MN8 Energy LLC | Ligonier, PA | PJM Interconnection, LLC (PJM) | 18.5 GWh | Nov 2024 | Dec 2025 | 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 2025 | Solar |
| Spring Prairie Solar LLC CSG | United States Solar Corporation | Glyndon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Apr 2024 | Dec 2025 | Solar |
| Spring Prairie Solar WI, LLC | Wisconsin Electric Power Co | Burlington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Spring Street Road | Madison Energy Investments LLC | Union Springs, NY | New York Independent System Operator (NYIS) | 581.0 MWh | Jul 2023 | Dec 2025 | Solar |
| Spring Street Solar 1 CSG | Spring Street Solar 1, LLC | Carver, MA | ISO New England (ISNE) | 3.0 GWh | Feb 2017 | Dec 2025 | Solar |
| Spring Valley | Spring Valley Pub Utils Comm | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 227.4 MWh | Dec 1951 | Dec 2025 | Distillate Fuel Oil : 82.2% Natural Gas : 17.8% |
| Spring Valley Farm 2, LLC | Strata Manager, LLC | Henderson, NC | Duke Energy Progress East (CPLE) | 8.5 GWh | Mar 2017 | Dec 2025 | Solar |
| Spring Valley Wind Project | Pattern Operators LP | Ely, NV | Nevada Power Company (NEVP) | 300.2 GWh | Jul 2012 | Aug 2026 | Wind |
| Springbok 3 Solar Farm Hybrid | 64KT 8me LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 224.9 GWh | Jun 2019 | Aug 2026 | Solar |
| Springbok Solar Farm 1 | 62SK 8me, LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 280.4 GWh | Jun 2016 | Dec 2025 | Solar |
| Springbok Solar Farm 2 | 63SU 8me, LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 397.1 GWh | Aug 2016 | Dec 2025 | Solar |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 147.3 GWh | Nov 1999 | Dec 2025 | Natural Gas |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.6 GWh | Jun 2022 | Dec 2025 | Solar |
| Springer Solar 1 | Springer Electric Coop, Inc | Springer, NM | Public Service Company of New Mexico (PNM) | 2.2 GWh | Apr 2015 | Dec 2025 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.5 TWh | May 1985 | Aug 2026 | Subbituminous Coal : 99.4% |
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 MWh | May 1994 | Dec 2025 | Distillate Fuel Oil |
| Springfield Solar | Dominion Renewable Energy | Montross, VA | PJM Interconnection, LLC (PJM) | 4.2 GWh | Jun 2024 | Dec 2025 | Solar |
| Springfield Solar 1 LLC | Strata Manager, LLC | Strafford, MO | Southwest Power Pool (SWPP) | 6.5 GWh | May 2014 | Aug 2026 | 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) | 11.6 GWh | Sep 2018 | Dec 2025 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 5.5 GWh | Dec 2018 | Dec 2025 | Solar |
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 206.7 GWh | Nov 2023 | Aug 2026 | Solar |
| Springfield Wind | Arkansas River Power Authority | Springfield, CO | Public Service Company of Colorado (PSCO) | 5.4 GWh | Jan 2004 | Dec 2025 | Wind |
| Springhill Gas Recovery Plant | WM Renewable Energy LLC | Campbellton, FL | Southern Company Services, Inc. - Trans (SOCO) | 32.4 GWh | Apr 2006 | Dec 2025 | Landfill Gas |
| Springs Generating Station | City of Riverside - (CA) | Riverside, CA | California Independent System Operator (CISO) | 878.0 MWh | Jun 2002 | Dec 2025 | Natural Gas |
| Springview | Bluestem LLC | Springview, NE | Southwest Power Pool (SWPP) | 10.2 GWh | May 2011 | Dec 2025 | Wind |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 659.0 MWh | Feb 1994 | Dec 2025 | Water |
| Spruance Operating Services LLC | Veolia Energy Operating Service | Richmond, VA | PJM Interconnection, LLC (PJM) | 68.0 GWh | Apr 1992 | Aug 2026 | Natural Gas |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 52.6 GWh | Nov 2011 | Dec 2025 | Wind |
| Spruce Ridge Gas Recovery | WM Renewable Energy LLC | Glencoe, MN | Midcontinent Independent System Operator, Inc. (MISO) | 24.7 GWh | Mar 2008 | Dec 2025 | Landfill Gas |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Apr 2015 | Dec 2025 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Feb 2016 | Dec 2025 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2015 | Dec 2025 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Oct 2015 | Dec 2025 | Solar |
| SPS1 Dollarhide | SunE SPS1, LLC | Jal, NM | Southwest Power Pool (SWPP) | 22.5 GWh | Aug 2011 | Dec 2025 | Solar |
| SPS2 Jal | SunE SPS2, LLC | Jal, NM | Southwest Power Pool (SWPP) | 21.8 GWh | Aug 2011 | Dec 2025 | Solar |
| SPS3 Lea | SunE SPS3, LLC | Eunice, NM | Southwest Power Pool (SWPP) | 22.7 GWh | Oct 2011 | Dec 2025 | Solar |
| SPS4 Monument | SunE SPS4, LLC | Monument, NM | Southwest Power Pool (SWPP) | 21.9 GWh | Nov 2011 | Dec 2025 | Solar |
| SPS5 Hopi | SunE SPS5, LLC | Carlsbad, NM | Southwest Power Pool (SWPP) | 20.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 564.0 MWh | Nov 1941 | Dec 2025 | Water |
| Square Barn Solar | Forefront Power, LLC | Algonquin, IL | PJM Interconnection, LLC (PJM) | 2.1 GWh | Jul 2020 | Dec 2025 | Solar |
| SR Adamsville | SR Adamsville, LLC | McNairy, TN | Tennessee Valley Authority (TVA) | 11.7 GWh | - | Aug 2026 | Solar |
| SR Ailey | SR Ailey, LLC | Ailey, GA | Southern Company Services, Inc. - Trans (SOCO) | 184.7 GWh | Nov 2024 | Aug 2026 | Solar |
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 |