Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Pfizer Groton Fuel Cell | Groton Fuel Cell 1 LLC | Groton, CT | ISO New England (ISNE) | 30.1 GWh | Sep 2016 | Dec 2024 | Natural Gas |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 43.1 GWh | Nov 2022 | Dec 2024 | Natural Gas |
| CMEEC - Navy NE Trident | Tesla Inc. | Groton, CT | ISO New England (ISNE) | 1.3 GWh | May 2017 | Dec 2024 | Solar |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 82.2 GWh | Dec 1947 | May 2025 | Natural Gas : 94.6% Distillate Fuel Oil : 5.4% |
| Bridge Street 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 458.0 MWh | Jun 2010 | Dec 2024 | Distillate Fuel Oil |
| Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 422.0 MWh | Jun 2010 | Dec 2024 | Distillate Fuel Oil |
| Water Treatment 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 290.0 MWh | Sep 2010 | May 2025 | Distillate Fuel Oil |
| West Groton CHP | Hollingsworth & Vose Co West Groton | Groton, MA | ISO New England (ISNE) | 22.0 GWh | Nov 2015 | Dec 2024 | Natural Gas |
| GELD Solar Farm | Ameresco, Inc - GELD | Groton, MA | ISO New England (ISNE) | 3.5 GWh | May 2016 | Dec 2024 | Solar |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 116.2 GWh | Nov 2012 | May 2025 | Wind |
| Groton Generation Station | Basin Electric Power Coop | Groton, SD | Southwest Power Pool (SWPP) | 180.5 GWh | Jun 2006 | Dec 2024 | Natural Gas |
| Wabtec U.S Rail, Grove City Engine Plant | General Electric Co | Grove City, PA | PJM Interconnection, LLC (PJM) | 5.6 GWh | May 1984 | May 2025 | Distillate Fuel Oil |
| Dion R Holm | City & County of San Francisco | Groveland, CA | California Independent System Operator (CISO) | 484.2 GWh | Jul 1960 | May 2025 | Water |
| R C Kirkwood | City & County of San Francisco | Groveland, CA | California Independent System Operator (CISO) | 403.7 GWh | Jan 1967 | May 2025 | Water |
| Groveland Solar | Consolidated Edison Development Inc. | Groveland, MA | ISO New England (ISNE) | 4.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Cedar Creek Wind | Leeward Asset Management, LLC | Grover, CO | Public Service Company of Colorado (PSCO) | 703.8 GWh | Oct 2007 | May 2025 | Wind |
| Mountain Breeze Wind, LLC | Leeward Asset Management, LLC | Grover, CO | Public Service Company of Colorado (PSCO) | 604.9 GWh | Sep 2020 | May 2025 | Wind |
| Panorama Wind, LLC | Leeward Asset Management, LLC | Grover, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 583.9 GWh | May 2022 | May 2025 | Wind |
| Roper Farm, LLC | Strata Manager, LLC | Grover, NC | Duke Energy Carolinas (DUK) | 9.6 GWh | May 2015 | Dec 2024 | Solar |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 428.0 MWh | Aug 1969 | Dec 2023 | Distillate Fuel Oil |
| Columbia Bryson | Westbound Solar LLC | Grovetown, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.6 GWh | Nov 2018 | Dec 2024 | Solar |
| Great Prairie Wind | Great Prairie Wind LLC | Gruver, TX | Southwest Power Pool (SWPP) | 4.1 TWh | Oct 2022 | May 2025 | Wind |
| Porterhouse Wind (4) LLC | UPC Power Solutions | Gruver, TX | Southwest Power Pool (SWPP) | 8.7 GWh | Dec 2007 | Dec 2024 | Wind |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 18.0 GWh | Jun 1927 | Dec 2024 | Water |
| Normanskill Hydro Project | Watervliet City of | Guilderland, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Mar 1983 | Dec 2024 | Water |
| Guildlerland CSG | Nautilus Solar Solutions | Guilderland, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Nov 2018 | Dec 2024 | Solar |
| Altamont (NY) (CSG) | Nautilus Solar Solutions | Guilderland, NY | New York Independent System Operator (NYIS) | 12.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Krumkill Road Solar North, LLC | Generate Capital | Guilderland, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Jul 2024 | Dec 2024 | Solar |
| Krumkill Road Solar South, LLC | Generate Capital | Guilderland, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Jul 2024 | Dec 2024 | Solar |
| Gulfport Naval Base CSG PV System | Arcadia Solar, LLC | Gulfport, MS | Southern Company Services, Inc. - Trans (SOCO) | 5.0 GWh | Apr 2017 | Dec 2024 | Solar |
| Jack Watson | Mississippi Power Co | Gulfport, MS | Southern Company Services, Inc. - Trans (SOCO) | 2.9 TWh | May 1957 | May 2025 | Natural Gas |
| Veyo Heat Recovery Project | Utah Associated Mun Power Sys | Gunlock, UT | PacifiCorp East (PACE) | 39.0 GWh | Apr 2016 | Dec 2024 | Waste Heat |
| Blue Mesa | U S Bureau of Reclamation | Gunnison, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 246.8 GWh | Aug 1967 | Dec 2024 | Water |
| Gunnison Solar | Greenbacker Renewable Energy Corporation | Gunnison, UT | PacifiCorp East (PACE) | 3.7 GWh | Aug 2022 | Dec 2024 | Solar |
| Guntersville | Tennessee Valley Authority | Guntersville, AL | Tennessee Valley Authority (TVA) | 454.8 GWh | Jul 1939 | Dec 2024 | Water |
| Gustavus | Alaska Power and Telephone Co | Gustavus, AK | (NA) | 247.0 MWh | Nov 2008 | Dec 2024 | Distillate Fuel Oil |
| Quinto Solar PV Project | Arevon Energy, Inc. | Gustine, CA | California Independent System Operator (CISO) | 257.0 GWh | Oct 2015 | Dec 2024 | Solar |
| Green River Solar | Green River Solar, LLC | Guston, KY | Midcontinent Independent System Operator, Inc. (MISO) | 28.4 GWh | - | May 2025 | Solar |
| Guyton Community Solar | Georgia Power Co | Guyton, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.2 GWh | Jun 2019 | Dec 2024 | Solar |
| Cataract (MI) | Cataract Hydro, LLC | Gwinn, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Jan 1988 | Dec 2024 | Water |
| Eagle Valley Clean Energy LLC Biomass | Eagle Valley Clean Energy LLC | Gypsum, CO | Public Service Company of Colorado (PSCO) | 57.1 GWh | Nov 2013 | Apr 2024 | Wood/Wood Waste Solids |
| American Gypsum Cogeneration | Eagle Materials Co LLC | Gypsum, CO | Public Service Company of Colorado (PSCO) | 22.0 GWh | Feb 1990 | May 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Mars Wrigley Confectionery US, LLC | Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 41.7 GWh | Sep 1984 | Dec 2024 | Natural Gas |
| PSEG Hackettstown | PSEG Solar Hackettstown LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 2.2 GWh | Aug 2009 | Sep 2024 | Solar |
| DRPA Woodcrest Station Solar Project | Solar Star River SLB, LLC | Haddon Township, NJ | PJM Interconnection, LLC (PJM) | 6.0 GWh | Mar 2022 | Dec 2024 | Solar |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2014 | Dec 2024 | Solar |
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2019 | Dec 2024 | Solar |
| Hadley 3 Solar (South) | Hadley 3 Solar, LLC (South) | Hadley, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2019 | Dec 2024 | Solar |
| Platt Solar | Cannon River LLC | Hadley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Dec 2022 | Dec 2024 | Solar |
| Leo Community Solar | National Grid Renewables | Hadley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2018 | Dec 2024 | Solar |
| Trimbelle (Pierce Pepin) | Greenbacker Renewable Energy Corporation | Hager City, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Jan 2024 | Dec 2024 | Solar |
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 67.8 GWh | Nov 2010 | Dec 2024 | Wind |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 68.4 GWh | Nov 2010 | Dec 2024 | Wind |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 28.7 GWh | Apr 2010 | May 2025 | Wind |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 17.3 GWh | Feb 2009 | May 2025 | Wind |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 36.4 GWh | Feb 2009 | May 2025 | Wind |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.3 GWh | Aug 1947 | Dec 2024 | Water |
| Fossil Gulch | Greenbacker Renewable Energy Corporation | Hagerman, ID | Idaho Power Company (IPCO) | 24.5 GWh | Jan 2005 | Dec 2024 | Wind |
| Oregon Trail Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 40.6 GWh | Dec 2010 | Dec 2024 | Wind |
| Pilgrim Stage Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.3 GWh | Dec 2010 | Dec 2024 | Wind |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 64.4 GWh | Mar 2011 | Dec 2024 | Wind |
| Thousand Springs Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.1 GWh | Dec 2010 | Dec 2024 | Wind |
| Tuana Gulch Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 29.3 GWh | Dec 2010 | Dec 2024 | Wind |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.0 GWh | Sep 1948 | Dec 2024 | Water |
| Lower Salmon | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 232.0 GWh | Jan 1949 | Dec 2024 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 108.0 GWh | Aug 1937 | Dec 2024 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | May 1948 | Dec 2024 | Water |
| Anderson Wind II | Chopin Wind, LLC | Hagerman, NM | Southwest Power Pool (SWPP) | 26.4 GWh | Nov 2014 | Dec 2024 | Wind |
| Anderson Wind I | Chopin Wind, LLC | Hagerman, NM | Southwest Power Pool (SWPP) | 9.7 GWh | Nov 2014 | Dec 2024 | Wind |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Nov 2020 | Dec 2024 | Solar |
| CES VMT Solar | Consolidated Edison Solutions Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | Jun 2015 | Dec 2024 | Solar |
| FedEx Hagerstown | SoCore Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Mar 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 |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 15.9 GWh | Oct 2020 | Dec 2024 | Solar |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Apr 2015 | Dec 2024 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2025 | Solar |
| Vidalia Water Treatment Plant | Terraform Arcadia | Hahira, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.2 GWh | Dec 2013 | Dec 2024 | Solar |
| Taft Cogeneration Facility | Occidental Chemical Corporation | Hahnville, LA | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 TWh | Jun 2002 | May 2025 | Natural Gas : 98.9% Other Gas : 1.1% |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1921 | Dec 2024 | Water |
| Kawailoa Wind | Kawailoa Wind LLC | Haleiwa, HI | 98.7 GWh | Oct 2012 | May 2025 | Wind | |
| Kawailoa Solar | Kawailoa Solar, LLC | Haleiwa, HI | (HECO) | 66.2 GWh | Oct 2019 | May 2025 | Solar |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Ameresco Ox Mountain | AMERESCO Ox Mountain Energy LLC | Half Moon Bay, CA | California Independent System Operator (CISO) | 82.0 GWh | Nov 2008 | May 2025 | Landfill Gas |
| NY - CSG - Ellsworth II | Nautilus Solar Solutions | Halfmoon, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Aug 2019 | Dec 2024 | Solar |
| Halifax Solar | NuGen Capital Management | Halifax, MA | ISO New England (ISNE) | 3.9 GWh | Jul 2015 | Dec 2024 | Solar |
| Syncarpha Halifax Hybrid CSG | Syncarpha Halifax, LLC | Halifax, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2020 | Dec 2023 | Solar : 99.0% |
| HXNAir Solar One | HXNAir Solar One LLC | Halifax, NC | PJM Interconnection, LLC (PJM) | 7.7 GWh | Nov 2017 | Dec 2024 | Solar |
| Cork Oak Solar | Cork Oak Solar, LLC | Halifax, NC | PJM Interconnection, LLC (PJM) | 38.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Carl Friedrich Gauss Solar | Heelstone Energy Holdings, LLC | Halifax, NC | PJM Interconnection, LLC (PJM) | 5.7 GWh | Sep 2018 | Dec 2024 | Solar |
| Sunflower Solar | Sunflower Solar, LLC | Halifax, NC | PJM Interconnection, LLC (PJM) | 28.5 GWh | Nov 2017 | Dec 2024 | Solar |
| Watlington Solar | Consolidated Edison Development Inc. | Halifax, VA | PJM Interconnection, LLC (PJM) | 39.6 GWh | Feb 2023 | Dec 2024 | Solar |
| Halifax | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Dec 1914 | Dec 2024 | Water |
| Sheldon | Nebraska Public Power District | Hallam, NE | Southwest Power Pool (SWPP) | 714.2 GWh | Dec 1960 | May 2025 | Subbituminous Coal : 99.7% |
| Hallam | Nebraska Public Power District | Hallam, NE | Southwest Power Pool (SWPP) | 3.4 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil : 71.2% Natural Gas : 28.8% |
| Halstad | City of Halstad - (MN) | Halstad, MN | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Aug 2007 | Dec 2024 | Distillate Fuel Oil |
| Ashley-Chicot Solar | Today's Power, Inc. | Hamburg, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jul 2018 | Dec 2024 | Solar |
| USS Martha Solar (CSG) | United States Solar Corporation | Hamburg, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Dec 2023 | Dec 2024 | Solar |
| Nestlewood Solar | Vesper Energy Development LLC | Hamersville, OH | PJM Interconnection, LLC (PJM) | 136.5 GWh | Nov 2023 | May 2025 | Solar |
| Grizzly Ridge Solar | Grizzly Ridge Solar LLC | Hamilton County, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 167.2 GWh | Sep 2023 | May 2025 | Solar |
Summary of Power Plants By State
Figures are based on May 2025 generation numbers.| State | Rank | Active Plants | May 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 11,300.49 GWh |
| Alaska | # 48 | 142 | 475.90 GWh |
| Arizona | # 11 | 176 | 9,204.37 GWh |
| Arkansas | # 25 | 99 | 5,005.01 GWh |
| California | # 4 | 1,667 | 17,300.59 GWh |
| Colorado | # 28 | 290 | 4,508.30 GWh |
| Connecticut | # 38 | 162 | 2,580.83 GWh |
| Delaware | # 50 | 32 | 189.30 GWh |
| District of Columbia | # 51 | 16 | 14.93 GWh |
| Florida | # 2 | 317 | 24,888.07 GWh |
| Georgia | # 6 | 248 | 11,990.59 GWh |
| Hawaii | # 47 | 68 | 737.15 GWh |
| Idaho | # 42 | 145 | 1,633.17 GWh |
| Illinois | # 5 | 358 | 14,860.85 GWh |
| Indiana | # 17 | 210 | 7,386.37 GWh |
| Iowa | # 22 | 294 | 5,142.65 GWh |
| Kansas | # 24 | 181 | 5,016.68 GWh |
| Kentucky | # 21 | 58 | 5,314.31 GWh |
| Louisiana | # 14 | 83 | 8,104.32 GWh |
| Maine | # 45 | 208 | 1,219.14 GWh |
| Maryland | # 33 | 198 | 3,211.24 GWh |
| Massachusetts | # 43 | 624 | 1,590.93 GWh |
| Michigan | # 12 | 269 | 9,081.28 GWh |
| Minnesota | # 29 | 765 | 4,142.68 GWh |
| Mississippi | # 20 | 56 | 5,397.23 GWh |
| Missouri | # 23 | 121 | 5,122.89 GWh |
| State | Rank | Active Plants | May 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 1,958.99 GWh |
| Nebraska | # 37 | 127 | 2,880.69 GWh |
| Nevada | # 30 | 110 | 4,010.09 GWh |
| New Hampshire | # 44 | 56 | 1,548.73 GWh |
| New Jersey | # 31 | 385 | 3,877.07 GWh |
| New Mexico | # 32 | 139 | 3,225.41 GWh |
| New York | # 10 | 929 | 10,057.90 GWh |
| North Carolina | # 9 | 909 | 10,631.50 GWh |
| North Dakota | # 35 | 57 | 3,062.36 GWh |
| Ohio | # 8 | 197 | 11,259.64 GWh |
| Oklahoma | # 18 | 139 | 6,659.06 GWh |
| Oregon | # 27 | 272 | 4,712.75 GWh |
| Pennsylvania | # 3 | 255 | 19,165.18 GWh |
| Rhode Island | # 46 | 97 | 795.05 GWh |
| South Carolina | # 13 | 200 | 8,379.29 GWh |
| South Dakota | # 41 | 52 | 1,667.11 GWh |
| Tennessee | # 19 | 86 | 5,858.87 GWh |
| Texas | # 1 | 890 | 49,337.47 GWh |
| Utah | # 39 | 122 | 2,500.89 GWh |
| Vermont | # 49 | 117 | 233.21 GWh |
| Virginia | # 16 | 233 | 7,447.37 GWh |
| Washington | # 15 | 134 | 7,969.22 GWh |
| West Virginia | # 34 | 39 | 3,129.59 GWh |
| Wisconsin | # 26 | 244 | 4,882.66 GWh |
| Wyoming | # 36 | 73 | 3,035.08 GWh |