Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hamlin Solar 1, LLC | Nautilus Solar Solutions | Hamlin, NY | New York Independent System Operator (NYIS) | 9.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Red Hills Wind Project LLC | Acciona Wind Energy USA LLC | Hammon, OK | Southwest Power Pool (SWPP) | 121.1 GWh | Nov 2008 | Dec 2024 | Wind |
| Hampden | Altus Power America Management, LLC | Hampden, MA | ISO New England (ISNE) | 5.2 GWh | Jun 2015 | Dec 2024 | Solar |
| Hampden Solar PV | NSTAR Electric Company | Hampden, MA | ISO New England (ISNE) | 5.9 GWh | Oct 2019 | Dec 2024 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.2 GWh | Nov 2021 | Dec 2024 | Solar |
| Quarter Horse Solar | Quarter Horse Farm LLC | Hampstead, NC | Duke Energy Progress East (CPLE) | 9.5 GWh | Oct 2018 | Dec 2024 | Solar |
| Hampton MN GRE | SoCore Energy LLC | Hampton Township, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Sep 2018 | Dec 2024 | Solar |
| General Dynamics | Today's Power, Inc. | Hampton, AR | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Oct 2020 | Dec 2024 | Solar |
| McHenry Solar | Ecos Energy LLC | Hampton, CT | ISO New England (ISNE) | 1.6 GWh | Sep 2021 | Dec 2024 | Solar |
| Dickinson Solar (CT) | Ecos Energy LLC | Hampton, CT | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2024 | Solar |
| Sydney Solar | Ecos Energy LLC | Hampton, CT | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2024 | Solar |
| Franklin County Solar | MidAmerican Energy Co | Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.7 GWh | Dec 2021 | Dec 2024 | Solar |
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 23.9 GWh | Sep 1978 | Sep 2025 | Natural Gas |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 5.8 GWh | Jan 1922 | Dec 2024 | Water |
| Hampton Solar 2 | Hampton Solar II, LLC | Hampton, SC | Dominion Energy South Carolina, Inc. (SCEG) | 41.9 GWh | Nov 2017 | Sep 2025 | Solar |
| SCE&G Curie CSG | Cypress Creek Renewables | Hampton, SC | Dominion Energy South Carolina, Inc. (SCEG) | 3.2 GWh | Jan 2019 | Dec 2024 | Solar |
| Hampton Solar I | Hampton Solar I, LLC | Hampton, SC | Dominion Energy South Carolina, Inc. (SCEG) | 12.4 GWh | Jul 2017 | Dec 2024 | Solar |
| Waste Management Bethel LFGTE | WM Renewable Energy LLC | Hampton, VA | PJM Interconnection, LLC (PJM) | 36.5 GWh | Jan 2008 | Dec 2024 | Landfill Gas |
| Ashley Solar Farm | Ashley Solar Farm, LLC | Hamptonville, NC | Duke Energy Carolinas (DUK) | 6.8 GWh | Feb 2015 | Dec 2024 | Solar |
| 1051 Lucky Solar, LLC | 1051 Lucky Solar, LLC | Hamptonville, NC | Duke Energy Carolinas (DUK) | 3.9 GWh | Apr 2021 | Dec 2024 | Solar |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 210.0 MWh | Mar 2001 | Dec 2024 | Distillate Fuel Oil | |
| Wainiha Hydro | BBCP Kauai Operating LLC | Hanalei, HI | 20.0 GWh | Dec 1905 | Sep 2025 | Water | |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Oct 2023 | Dec 2024 | Solar |
| Syncarpha Hancock II CSG | Syncarpha Hancock II, LLC | Hancock, MA | ISO New England (ISNE) | 3.2 GWh | Oct 2017 | Dec 2024 | Solar |
| Syncarpha Hancock I CSG | Syncarpha Hancock I, LLC | Hancock, MA | ISO New England (ISNE) | 3.1 GWh | Oct 2017 | Dec 2024 | Solar |
| Nexamp Peak CSG | Nexamp Peak, LLC | Hancock, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2015 | Dec 2024 | Solar |
| PSEG Hope Creek Generating Station | PSEG Nuclear LLC | Hancocks Bridge, NJ | PJM Interconnection, LLC (PJM) | 10.2 TWh | Nov 1986 | Sep 2025 | Nuclear |
| PSEG Salem Generating Station | PSEG Nuclear LLC | Hancocks Bridge, NJ | PJM Interconnection, LLC (PJM) | 17.2 TWh | May 1971 | Sep 2025 | Nuclear |
| London | Appalachian Power Co | Handley, WV | PJM Interconnection, LLC (PJM) | 72.9 GWh | Nov 1935 | Dec 2024 | Water |
| Hanford Energy Park Peaker | MRP San Joaquin Energy LLC. | Hanford, CA | California Independent System Operator (CISO) | 6.1 GWh | Aug 2001 | Sep 2025 | Natural Gas |
| Verwey-Hanford Dairy Digester #1 | AlsoEnergy | Hanford, CA | California Independent System Operator (CISO) | 901.6 MWh | Sep 2016 | Dec 2024 | Other Biomass Gas |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | California Independent System Operator (CISO) | 5.0 GWh | Jul 2014 | Dec 2024 | Solar |
| Guernsey Solar Station | Pacific Gas & Electric Co. | Hanford, CA | California Independent System Operator (CISO) | 22.7 GWh | Jul 2013 | Dec 2024 | Solar |
| Verwey-Hanford Dairy Digester #3 | Hanford Renewable Energy LLC | Hanford, CA | California Independent System Operator (CISO) | 5.4 GWh | Jun 2019 | Dec 2024 | Other Biomass Gas |
| Verwey-Hanford Dairy Digester #2 | Hanford Renewable Energy LLC | Hanford, CA | California Independent System Operator (CISO) | 5.9 GWh | Jun 2019 | Dec 2024 | Other Biomass Gas |
| Lone Oak | Bravo REC Management LLC | Hanford, CA | California Independent System Operator (CISO) | 5.7 GWh | Feb 2023 | Dec 2024 | Solar |
| River Ranch Dairy | Renewable Solar, Inc | Hanford, CA | California Independent System Operator (CISO) | 6.9 GWh | May 2024 | Dec 2024 | Solar |
| Danell Bros Inc | Renewable Solar, Inc | Hanford, CA | California Independent System Operator (CISO) | 5.8 GWh | Aug 2021 | Dec 2023 | Solar |
| Dover Dairy | Renewable Solar, Inc | Hanford, CA | California Independent System Operator (CISO) | 2.7 GWh | Apr 2022 | Dec 2023 | Solar |
| Canal Energy S23, LLC | Canal Energy S23, LLC | Hanford, CA | California Independent System Operator (CISO) | 7.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Still Water Power | Still Water Power LLC | Hanford, CA | California Independent System Operator (CISO) | 674.0 MWh | Apr 2020 | Dec 2024 | Other Biomass Gas |
| Dixie Creek Dairy Solar | Bravo REC Management LLC | Hanford, CA | California Independent System Operator (CISO) | 3.0 GWh | Jun 2024 | Dec 2024 | Solar |
| POET Biorefining-Hanlontown, LLC | POET Biorefining-Hanlontown, LLC | Hanlontown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.2 GWh | Dec 2018 | Dec 2024 | Natural Gas |
| Ekola Flats | PacifiCorp | Hanna, WY | PacifiCorp East (PACE) | 696.9 GWh | Nov 2020 | Sep 2025 | Wind |
| Orioles Community Solar | Azimuth 180 Solar Electric, LLC | Hannacroix, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Sep 2022 | Dec 2024 | Solar |
| Long Ridge Energy Generation | Long Ridge Energy Generation LLC | Hannibal, OH | PJM Interconnection, LLC (PJM) | 3.9 TWh | Sep 2021 | Sep 2025 | Natural Gas |
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | Southwest Power Pool (SWPP) | 604.8 GWh | Nov 2024 | Sep 2025 | Wind |
| 7448 Candlewood Road | Hartz Solar, LLC | Hanover, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | Dec 2024 | Solar |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 10.1 GWh | Dec 1969 | Sep 2025 | Residual Fuel Oil |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| Astra Wind Farm | Astra Wind LLC | Happy, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 541.1 GWh | Apr 2017 | Sep 2025 | Wind |
| Onyx - Allen Harim | Onyx Asset Services Group | Harbeson, DE | PJM Interconnection, LLC (PJM) | 1.9 GWh | Mar 2017 | Dec 2024 | Solar |
| Big Turtle Wind Farm, LLC | DTE Sustainable Generation | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 69.9 GWh | Nov 2014 | Dec 2024 | Wind |
| Sigel Wind Park | DTE Electric Company | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 256.8 GWh | Nov 2012 | Sep 2025 | Wind |
| Big Turtle Wind Farm 2 | DTE Electric Company | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 106.9 GWh | Sep 2016 | Dec 2024 | Wind |
| Kaiser - Harbor City | Bloom Energy | Harbor City, CA | California Independent System Operator (CISO) | 17.9 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| Jasper | Dominion Energy South Carolina, Inc | Hardeeville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 3.4 TWh | Apr 2004 | Sep 2025 | Natural Gas : 99.9% |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 481.0 GWh | Feb 2006 | Dec 2024 | Subbituminous Coal : 97.5% Bituminous Coal : 1.6% Natural Gas : 0.9% |
| Yellowtail | U S Bureau of Reclamation | Hardin, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 798.4 GWh | Jul 1966 | Dec 2024 | Water |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.1 GWh | Mar 2017 | Sep 2025 | Solar |
| Hardwick-Athol & Eagle Hill | SEC CRSD Solar One, LLC | Hardwick, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2015 | Dec 2024 | Solar |
| Prairie Rose Wind Farm | Enel Green Power NA, Inc. | Hardwick, MN | Midcontinent Independent System Operator, Inc. (MISO) | 414.4 GWh | Nov 2012 | Sep 2025 | Wind |
| Billings Road | Greenbacker Renewable Energy Corporation | Hardwick, VT | ISO New England (ISNE) | 2.3 GWh | Oct 2021 | Dec 2024 | Solar |
| ER Center Road Solar, LLC | Greenbacker Renewable Energy Corporation | Hardwick, VT | ISO New England (ISNE) | 3.2 GWh | Apr 2022 | Dec 2024 | Solar |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 195.5 GWh | Dec 1971 | Sep 2025 | Natural Gas : 79.7% Distillate Fuel Oil : 20.3% |
| Harford Solar Farm | Laertes Solar LLC | Harford, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Nov 2016 | Dec 2024 | Solar |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Dorchester Biomass | Dorchester Biomass LLC | Harleyville, SC | South Carolina Public Service Authority (SC) | 130.4 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
| Vaquero | Power Depot Group A, LLC | Harlingen, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 270.0 MWh | Jul 2013 | Dec 2024 | Distillate Fuel Oil |
| E. Porte Ct. | Power Depot Group A, LLC | Harlingen, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 233.0 MWh | Jul 2013 | Dec 2024 | Distillate Fuel Oil |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 403.0 GWh | Nov 2005 | Sep 2025 | Wind |
| Harmony Solar (ME) | Maine DG Solar Harmony, LLC | Harmony, ME | ISO New England (ISNE) | 8.9 GWh | Jul 2022 | Dec 2024 | Solar |
| Flat Ridge 5 | Invenergy Services LLC | Harper, KS | Southwest Power Pool (SWPP) | 62.4 GWh | - | Sep 2025 | Wind |
| Flat Ridge 4 | Invenergy Services LLC | Harper, KS | Southwest Power Pool (SWPP) | 157.5 GWh | - | Sep 2025 | Wind |
| Harpster Wind | OEE XVII, LLC | Harpster, OH | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 2015 | Sep 2025 | Wind |
| Horseshoe Lake | Oklahoma Gas & Electric Co | Harrah, OK | Southwest Power Pool (SWPP) | 614.9 GWh | Mar 1958 | Dec 2024 | Natural Gas |
| Bay Tree | Cypress Creek Renewables | Harrells, NC | Duke Energy Progress East (CPLE) | 148.5 GWh | Oct 2021 | Sep 2025 | Solar |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 386.7 GWh | Jun 2008 | Sep 2025 | Wind |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 196.9 GWh | Aug 2008 | Sep 2025 | Wind |
| Paxton Creek Cogeneration | Energy Center Paxton LLC | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 693.0 MWh | Jul 1986 | Dec 2024 | Natural Gas : 74.8% Distillate Fuel Oil : 25.2% |
| Harrisburg Facility | Harrisburg Authority | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 102.6 GWh | Mar 2006 | Sep 2025 | Non-biogenic Municipal Solid Waste : 52.5% Biogenic Municipal Solid Waste : 42.9% Natural Gas : 4.6% |
| Waste Management Northern Oaks LFGTE | WM Renewable Energy LLC | Harrison, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Oct 2010 | Dec 2024 | Landfill Gas |
| Mount Clinton | City of Harrisonburg - (VA) | Harrisonburg, VA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Apr 1999 | Dec 2024 | Distillate Fuel Oil |
| Pleasant Valley (VA) | City of Harrisonburg - (VA) | Harrisonburg, VA | PJM Interconnection, LLC (PJM) | 956.5 MWh | Mar 1997 | Dec 2024 | Distillate Fuel Oil |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Jun 1985 | Dec 2024 | Water |
| Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 896.8 GWh | Sep 1991 | Dec 2024 | Natural Gas : 99.9% |
| Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.2 TWh | Nov 1990 | Dec 2024 | Natural Gas : 99.9% |
| Mother Ann Lee | Lock 7 Hydro Partners LLC | Harrodsburg, KY | PJM Interconnection, LLC (PJM) | 6.3 GWh | Feb 2007 | Dec 2024 | Water |
| E W Brown | Kentucky Utilities Co | Harrodsburg, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 1.6 TWh | Apr 1957 | Sep 2025 | Bituminous Coal : 82.5% Natural Gas : 16.4% Solar : 1.0% |
| Dix Dam | Kentucky Utilities Co | Harrodsburg, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 54.2 GWh | Oct 1925 | Dec 2024 | Water |
| Hart Wind | Hart Wind Project, LLC | Hart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 140.9 GWh | - | Sep 2025 | Wind |
| Enfield Solar One | Enfield Solar One, LLC | Hartford, CT | ISO New England (ISNE) | 5.5 GWh | Mar 2024 | Dec 2024 | Solar |
| Trinity College Fuel Cell | AEP Onsite Partners, LLC | Hartford, CT | ISO New England (ISNE) | 11.5 GWh | Jul 2018 | Dec 2024 | Natural Gas |
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | ISO New England (ISNE) | 1.2 GWh | May 2014 | Dec 2024 | Solar |
| HSCo CHP | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 27.3 GWh | Sep 2009 | Dec 2024 | Natural Gas |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 39.5 GWh | Jun 1988 | Dec 2024 | Natural Gas |
| FFP - NY Burch CSG | Distributed Solar Development, LLC | Hartford, NY | New York Independent System Operator (NYIS) | 394.0 MWh | Jun 2024 | Dec 2024 | Solar |
| Wilder | Great River Hydro, LLC | Hartford, VT | ISO New England (ISNE) | 179.5 GWh | Oct 1950 | Dec 2024 | Water |
| GMP Solar - Hartford | Green Mountain Power Corp | Hartford, VT | ISO New England (ISNE) | 7.3 GWh | Nov 2016 | Sep 2025 | 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 | 144 | 527.57 GWh |
| Arizona | # 9 | 181 | 11,602.92 GWh |
| Arkansas | # 21 | 116 | 5,844.09 GWh |
| California | # 4 | 1,735 | 19,371.91 GWh |
| Colorado | # 30 | 300 | 4,433.17 GWh |
| Connecticut | # 32 | 166 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 322 | 24,446.09 GWh |
| Georgia | # 8 | 262 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 147 | 1,495.33 GWh |
| Illinois | # 5 | 381 | 14,642.93 GWh |
| Indiana | # 14 | 209 | 8,730.35 GWh |
| Iowa | # 26 | 292 | 5,224.35 GWh |
| Kansas | # 25 | 188 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 86 | 9,343.34 GWh |
| Maine | # 45 | 215 | 1,135.36 GWh |
| Maryland | # 39 | 203 | 2,935.42 GWh |
| Massachusetts | # 41 | 648 | 1,746.92 GWh |
| Michigan | # 11 | 272 | 10,468.02 GWh |
| Minnesota | # 29 | 765 | 4,717.95 GWh |
| Mississippi | # 20 | 57 | 6,625.37 GWh |
| Missouri | # 22 | 127 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 1,949.24 GWh |
| Nebraska | # 34 | 129 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 393 | 4,969.45 GWh |
| New Mexico | # 36 | 143 | 3,317.84 GWh |
| New York | # 12 | 957 | 10,145.62 GWh |
| North Carolina | # 10 | 906 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 197 | 12,818.31 GWh |
| Oklahoma | # 17 | 142 | 7,364.05 GWh |
| Oregon | # 28 | 276 | 4,812.51 GWh |
| Pennsylvania | # 3 | 256 | 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 | 939 | 51,969.48 GWh |
| Utah | # 35 | 125 | 3,419.48 GWh |
| Vermont | # 50 | 117 | 165.14 GWh |
| Virginia | # 15 | 239 | 8,580.52 GWh |
| Washington | # 18 | 137 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 250 | 5,674.74 GWh |
| Wyoming | # 33 | 69 | 3,641.70 GWh |