Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Ameresco Ox Mountain | AMERESCO Ox Mountain Energy LLC | Half Moon Bay, CA | California Independent System Operator (CISO) | 81.2 GWh | Nov 2008 | May 2026 | Landfill Gas |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2021 | Dec 2025 | Solar |
| Kawailoa Wind | Kawailoa Wind LLC | Haleiwa, HI | 90.0 GWh | Oct 2012 | May 2026 | Wind | |
| Kawailoa Solar | Kawailoa Solar, LLC | Haleiwa, HI | (HECO) | 68.5 GWh | Oct 2019 | May 2026 | Solar |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.8 GWh | Dec 1921 | Dec 2025 | Water |
| Taft Cogeneration Facility | Occidental Chemical Corporation | Hahnville, LA | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 TWh | Jun 2002 | May 2026 | Natural Gas : 97.8% Other Gas : 2.2% |
| 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 |
| FedEx Hagerstown | SoCore Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Mar 2015 | Dec 2025 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2020 | Dec 2025 | Solar |
| CES VMT Solar | RWE Clean Energy | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jun 2015 | Dec 2025 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2026 | Solar |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 15.9 GWh | Oct 2020 | Dec 2024 | Solar |
| Anderson Wind I | Anderson Wind I LLC | Hagerman, NM | Southwest Power Pool (SWPP) | 9.6 GWh | Nov 2014 | Dec 2025 | Wind |
| Anderson Wind II | Anderson Wind II LLC | Hagerman, NM | Southwest Power Pool (SWPP) | 30.0 GWh | Nov 2014 | Dec 2025 | Wind |
| Fossil Gulch | Greenbacker Renewable Energy Corporation | Hagerman, ID | Idaho Power Company (IPCO) | 20.7 GWh | Jan 2005 | Dec 2025 | Wind |
| Thousand Springs Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 28.6 GWh | Dec 2010 | Dec 2025 | Wind |
| Tuana Gulch Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 27.4 GWh | Dec 2010 | Dec 2025 | Wind |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | Mar 2011 | Dec 2025 | Wind |
| Oregon Trail Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.9 GWh | Dec 2010 | Dec 2025 | Wind |
| Pilgrim Stage Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 30.1 GWh | Dec 2010 | Dec 2025 | Wind |
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 59.2 GWh | Nov 2010 | Dec 2025 | Wind |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 58.8 GWh | Nov 2010 | Dec 2025 | Wind |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 27.1 GWh | Apr 2010 | May 2026 | Wind |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 17.2 GWh | Feb 2009 | May 2026 | Wind |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 35.0 GWh | Feb 2009 | May 2026 | Wind |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 89.1 GWh | Aug 1947 | Dec 2025 | Water |
| Lower Salmon | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 196.7 GWh | Jan 1949 | Dec 2025 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 55.3 GWh | May 1948 | Dec 2025 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 92.6 GWh | Aug 1937 | Dec 2025 | Water |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 104.4 GWh | Sep 1948 | Dec 2025 | Water |
| Trimbelle (Pierce Pepin) | Greenbacker Renewable Energy Corporation | Hager City, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Jan 2024 | Dec 2025 | Solar |
| Platt Solar | Cannon River LLC | Hadley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Dec 2022 | Dec 2025 | Solar |
| Leo Community Solar | Geronimo Power | Hadley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Nov 2018 | Dec 2025 | Solar |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.2 GWh | Jun 2014 | Dec 2025 | Solar |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2016 | Dec 2025 | Solar |
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Hadley 3 Solar (South) | Hadley 3 Solar, LLC (South) | Hadley, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2019 | Dec 2025 | Solar |
| DRPA Woodcrest Station Solar Project | Solar Star River SLB, LLC | Haddon Township, NJ | PJM Interconnection, LLC (PJM) | 6.3 GWh | Mar 2022 | Dec 2025 | Solar |
| Mars Wrigley Confectionery US, LLC | Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 55.2 GWh | Sep 1984 | Dec 2025 | Natural Gas |
| American Gypsum Cogeneration | Eagle Materials Co LLC | Gypsum, CO | Public Service Company of Colorado (PSCO) | 21.5 GWh | Feb 1990 | May 2026 | Natural Gas : 99.9% |
| Cataract (MI) | Cataract Hydro, LLC | Gwinn, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Jan 1988 | Dec 2025 | Water |
| Guyton Community Solar | Georgia Power Co | Guyton, GA | Southern Company Services, Inc. - Trans (SOCO) | 5.2 GWh | Jun 2019 | Dec 2025 | Solar |
| Green River Solar | Green River Solar, LLC | Guston, KY | Midcontinent Independent System Operator, Inc. (MISO) | 398.2 GWh | Apr 2025 | May 2026 | Solar |
| Quinto Solar PV Project | Arevon Energy, Inc. | Gustine, CA | California Independent System Operator (CISO) | 242.5 GWh | Oct 2015 | Dec 2025 | Solar |
| Gustavus | Alaska Power and Telephone Co | Gustavus, AK | (NA) | 247.0 MWh | Nov 2008 | Dec 2024 | Distillate Fuel Oil |
| Guntersville | Tennessee Valley Authority | Guntersville, AL | Tennessee Valley Authority (TVA) | 509.1 GWh | Jul 1939 | Dec 2025 | Water |
| Gunnison Solar | Altus Power America Management, LLC | Gunnison, UT | PacifiCorp East (PACE) | 3.8 GWh | Aug 2022 | Dec 2025 | Solar |
| Blue Mesa | U S Bureau of Reclamation | Gunnison, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 198.0 GWh | Aug 1967 | Dec 2025 | Water |
| Veyo Heat Recovery Project | Utah Associated Mun Power Sys | Gunlock, UT | PacifiCorp East (PACE) | 9.6 GWh | Apr 2016 | Dec 2025 | Waste Heat |
| Gulfport Naval Base CSG PV System | Arcadia Solar, LLC | Gulfport, MS | Southern Company Services, Inc. - Trans (SOCO) | 5.8 GWh | Apr 2017 | Dec 2025 | Solar |
| Jack Watson | Mississippi Power Co | Gulfport, MS | Southern Company Services, Inc. - Trans (SOCO) | 2.5 TWh | May 1957 | May 2026 | Natural Gas |
| Normanskill Hydro Project | Watervliet, City of - (NY) | Guilderland, NY | New York Independent System Operator (NYIS) | 1.0 GWh | Mar 1983 | Oct 2025 | Water |
| Krumkill Road Solar South, LLC | Generate Capital | Guilderland, NY | New York Independent System Operator (NYIS) | 5.4 GWh | Jul 2024 | Dec 2025 | Solar |
| Altamont (NY) (CSG) | Nautilus Solar Solutions | Guilderland, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Nov 2024 | Dec 2025 | Solar |
| Krumkill Road Solar North, LLC | Generate Capital | Guilderland, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Jul 2024 | Dec 2025 | Solar |
| Guildlerland CSG | Nautilus Solar Solutions | Guilderland, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Nov 2018 | Dec 2025 | Solar |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 14.6 GWh | Jun 1927 | Dec 2025 | Water |
| Porterhouse Wind (4) LLC | UPC Power Solutions | Gruver, TX | Southwest Power Pool (SWPP) | 8.7 GWh | Dec 2007 | Dec 2024 | Wind |
| Great Prairie Wind | Great Prairie Wind LLC | Gruver, TX | Southwest Power Pool (SWPP) | 4.2 TWh | Oct 2022 | May 2026 | Wind |
| Grundy Center City Light Plant | Grundy Center Mun Light & Power | Grundy Center, IA | Midcontinent Independent System Operator, Inc. (MISO) | 109.0 MWh | Oct 1963 | Dec 2025 | Distillate Fuel Oil |
| Columbia Bryson | Westbound Solar LLC | Grovetown, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.7 GWh | Nov 2018 | Dec 2025 | Solar |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 422.0 MWh | Aug 1969 | Dec 2024 | Distillate Fuel Oil |
| Roper Farm, LLC | Strata Manager, LLC | Grover, NC | Duke Energy Carolinas (DUK) | 9.8 GWh | May 2015 | Dec 2025 | Solar |
| Mountain Breeze Wind, LLC | Leeward Asset Management, LLC | Grover, CO | Public Service Company of Colorado (PSCO) | 575.5 GWh | Sep 2020 | May 2026 | Wind |
| Cedar Creek Wind | Leeward Asset Management, LLC | Grover, CO | Public Service Company of Colorado (PSCO) | 652.2 GWh | Oct 2007 | May 2026 | Wind |
| Panorama Wind, LLC | Leeward Asset Management, LLC | Grover, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 581.0 GWh | May 2022 | May 2026 | Wind |
| Groveland Solar | RWE Clean Energy | Groveland, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2012 | Dec 2025 | Solar |
| R C Kirkwood | City & County of San Francisco - (CA) | Groveland, CA | California Independent System Operator (CISO) | 489.0 GWh | Jan 1967 | May 2026 | Water |
| Dion R Holm | City & County of San Francisco - (CA) | Groveland, CA | California Independent System Operator (CISO) | 577.8 GWh | Jul 1960 | May 2026 | Water |
| Wabtec U.S Rail, Grove City Engine Plant | General Electric Co | Grove City, PA | PJM Interconnection, LLC (PJM) | 3.5 GWh | May 1984 | May 2026 | Distillate Fuel Oil |
| Groton Generation Station | Basin Electric Power Coop | Groton, SD | Southwest Power Pool (SWPP) | 220.7 GWh | Jun 2006 | Dec 2025 | Natural Gas |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 101.4 GWh | Nov 2012 | May 2026 | Wind |
| 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) | 3.3 GWh | May 2016 | Dec 2025 | Solar |
| Naval Sub Base New London Fuel Cell | Groton Station Fuel Cell, LLC | Groton, CT | ISO New England (ISNE) | 43.6 GWh | Nov 2022 | Dec 2024 | Natural Gas |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 29.6 GWh | Nov 2022 | Dec 2025 | Natural Gas |
| CMEEC - Navy NE Trident | Tesla Inc. | Groton, CT | ISO New England (ISNE) | 1.2 GWh | May 2017 | Dec 2025 | Solar |
| Pfizer Groton Fuel Cell | Groton Fuel Cell 1 LLC | Groton, CT | ISO New England (ISNE) | 30.1 GWh | Sep 2016 | Dec 2024 | Natural Gas |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 75.4 GWh | Dec 1947 | May 2026 | Natural Gas : 88.5% Distillate Fuel Oil : 11.5% |
| Bridge Street 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 452.0 MWh | Jun 2010 | Dec 2025 | Distillate Fuel Oil |
| Water Treatment 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 494.0 MWh | Sep 2010 | May 2026 | Distillate Fuel Oil |
| Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 381.0 MWh | Jun 2010 | Dec 2025 | Distillate Fuel Oil |
| Colbeck's Corner, LLC | RWE Clean Energy | Groom, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 840.4 GWh | Apr 2016 | May 2026 | Wind |
| Jackson Solar (CT) | Ecos Energy LLC | Griswold, CT | ISO New England (ISNE) | 1.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Sherman Solar | Ecos Energy LLC | Griswold, CT | ISO New England (ISNE) | 1.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Clinton Solar | Ecos Energy LLC | Griswold, CT | ISO New England (ISNE) | 1.7 GWh | Apr 2021 | Dec 2025 | Solar |
| Grinnell College | Azimuth 180 Solar Electric, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Venus Wind 3 LLC | Novis Renewables, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 GWh | Feb 2017 | Dec 2025 | Wind |
| Highland Solar Center LLC | SRE Utility Solar 1, LLC | Grifton, NC | Duke Energy Progress East (CPLE) | 8.6 GWh | Nov 2015 | Dec 2025 | Solar |
| Buckleberry Solar | John Laing US Solar Corp. | Grifton, NC | Duke Energy Progress East (CPLE) | 94.9 GWh | Oct 2018 | May 2026 | Solar |
| Exum Farm Solar, LLC | Cypress Creek Renewables | Grifton, NC | Duke Energy Carolinas (DUK) | 9.3 GWh | Nov 2016 | Dec 2025 | Solar |
| Kinston Solar | Cypress Creek Renewables | Grifton, NC | Duke Energy Progress East (CPLE) | 8.3 GWh | Jul 2015 | Dec 2025 | Solar |
| Griffith | Altus Power America Management, LLC | Griffith, IN | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Feb 2013 | Dec 2025 | Solar |
| Georgia LFG Pine Ridge Plant | Cube District Energy, LLC | Griffin, GA | Southern Company Services, Inc. - Trans (SOCO) | 42.6 GWh | May 2016 | Dec 2025 | Landfill Gas |
| Gridley Main Two | Altus Power America Management, LLC | Gridley, CA | California Independent System Operator (CISO) | 3.6 GWh | Mar 2013 | Dec 2025 | Solar |
| Gridley Main | Altus Power America Management, LLC | Gridley, CA | California Independent System Operator (CISO) | 1.4 GWh | Feb 2013 | Dec 2025 | Solar |
| Beaverdam Renewable Energy Center | Duke Energy Carolinas, LLC | Grey Court, SC | Duke Energy Carolinas (DUK) | 13.1 GWh | - | May 2026 | Solar |
| SSD Marion 1, LLC | Thor Solar 1 CEI, LLC | Grevais, OR | Portland General Electric Company (PGE) | 3.9 GWh | Nov 2020 | Dec 2025 | Solar |
| Sycamore Solar | Dominion Energy Inc. | Gretna, VA | PJM Interconnection, LLC (PJM) | 86.2 GWh | Feb 2023 | May 2026 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |