Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Dickinson Solar (CT) | Ecos Energy LLC | Hampton, CT | ISO New England (ISNE) | 1.5 GWh | May 2020 | Dec 2025 | Solar |
| Franklin County Solar | MidAmerican Energy Co | Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.2 GWh | Dec 2021 | Dec 2025 | Solar |
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 28.3 GWh | Sep 1978 | Aug 2026 | Natural Gas |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 4.1 GWh | Jan 1922 | Dec 2025 | Water |
| Hampton Solar 2 | Hampton Solar II, LLC | Hampton, SC | Dominion Energy South Carolina, Inc. (SCEG) | 39.9 GWh | Nov 2017 | Aug 2026 | Solar |
| Hampton Solar I | SunStrong Management | Hampton, SC | Dominion Energy South Carolina, Inc. (SCEG) | 13.5 GWh | Jul 2017 | Dec 2025 | Solar |
| SCE&G Curie CSG | Cypress Creek Renewables | Hampton, SC | Dominion Energy South Carolina, Inc. (SCEG) | 3.4 GWh | Jan 2019 | Dec 2025 | Solar |
| Waste Management Bethel LFGTE | WM Renewable Energy LLC | Hampton, VA | PJM Interconnection, LLC (PJM) | 37.3 GWh | Jan 2008 | Dec 2025 | Landfill Gas |
| 1051 Lucky Solar, LLC | 1051 Lucky Solar, LLC | Hamptonville, NC | Duke Energy Carolinas (DUK) | 4.1 GWh | Apr 2021 | Dec 2025 | Solar |
| Ashley Solar Farm | Ashley Solar Farm, LLC | Hamptonville, NC | Duke Energy Carolinas (DUK) | 6.7 GWh | Feb 2015 | Dec 2025 | Solar |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 84.0 MWh | Mar 2001 | Dec 2025 | Distillate Fuel Oil | |
| Wainiha Hydro | BBCP Kauai Operating LLC | Hanalei, HI | 18.4 GWh | Dec 1905 | Aug 2026 | Water | |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Oct 2023 | Dec 2025 | Solar |
| Jiminy Peak Wind QF | Jiminy Peak Mountain Resort, LLC | Hancock, MA | ISO New England (ISNE) | 2.0 MWh | Jul 2007 | Apr 2025 | Wind |
| Nexamp Peak CSG | Nexamp Peak, LLC | Hancock, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2015 | Dec 2025 | Solar |
| Syncarpha Hancock I CSG | Syncarpha Hancock I, LLC | Hancock, MA | ISO New England (ISNE) | 2.7 GWh | Oct 2017 | Dec 2025 | Solar |
| Syncarpha Hancock II CSG | Syncarpha Hancock II, LLC | Hancock, MA | ISO New England (ISNE) | 2.8 GWh | Oct 2017 | Dec 2025 | Solar |
| PSEG Hope Creek Generating Station | PSEG Nuclear LLC | Hancocks Bridge, NJ | PJM Interconnection, LLC (PJM) | 8.8 TWh | Nov 1986 | Aug 2026 | Nuclear |
| PSEG Salem Generating Station | PSEG Nuclear LLC | Hancocks Bridge, NJ | PJM Interconnection, LLC (PJM) | 19.3 TWh | May 1971 | Aug 2026 | Nuclear |
| London | Appalachian Power Co | Handley, WV | PJM Interconnection, LLC (PJM) | 64.1 GWh | Nov 1935 | Dec 2025 | Water |
| Hanford Energy Park Peaker | MRP San Joaquin Energy LLC. | Hanford, CA | California Independent System Operator (CISO) | 2.1 GWh | Aug 2001 | Aug 2026 | Natural Gas |
| River Ranch Dairy | Renewable Solar, Inc | Hanford, CA | California Independent System Operator (CISO) | 995.0 MWh | May 2024 | Dec 2025 | Solar |
| Dixie Creek Dairy Solar | Bravo REC Management LLC | Hanford, CA | California Independent System Operator (CISO) | 5.8 GWh | Jun 2024 | Dec 2025 | Solar |
| Lone Oak | Bravo REC Management LLC | Hanford, CA | California Independent System Operator (CISO) | 6.0 GWh | Feb 2023 | Dec 2025 | Solar |
| Still Water Power | Still Water Power LLC | Hanford, CA | California Independent System Operator (CISO) | 1.5 GWh | Apr 2020 | Dec 2025 | Other Biomass Gas |
| Lakeside Pipeline | Maas Energy Works | Hanford, CA | California Independent System Operator (CISO) | 8.3 GWh | Jun 2023 | Dec 2025 | Solar |
| Danell Bros Inc | Renewable Solar, Inc | Hanford, CA | California Independent System Operator (CISO) | 5.6 GWh | Aug 2021 | Dec 2025 | Solar |
| Dover Dairy | Renewable Solar, Inc | Hanford, CA | California Independent System Operator (CISO) | 2.1 GWh | Apr 2022 | Dec 2025 | Solar |
| Canal Energy S23, LLC | Canal Energy S23, LLC | Hanford, CA | California Independent System Operator (CISO) | 10.0 GWh | Nov 2021 | Dec 2025 | Solar |
| Verwey-Hanford Dairy Digester #2 | Hanford Renewable Energy LLC | Hanford, CA | California Independent System Operator (CISO) | 6.0 GWh | Jun 2019 | Dec 2025 | Other Biomass Gas |
| Verwey-Hanford Dairy Digester #3 | Hanford Renewable Energy LLC | Hanford, CA | California Independent System Operator (CISO) | 5.6 GWh | Jun 2019 | Dec 2025 | Other Biomass Gas |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | California Independent System Operator (CISO) | 5.2 GWh | Jul 2014 | Dec 2025 | Solar |
| Verwey-Hanford Dairy Digester #1 | AlsoEnergy | Hanford, CA | California Independent System Operator (CISO) | 3.4 GWh | Sep 2016 | Dec 2025 | Other Biomass Gas |
| Guernsey Solar Station | Pacific Gas & Electric Co. | Hanford, CA | California Independent System Operator (CISO) | 21.5 GWh | Jul 2013 | Dec 2025 | Solar |
| POET Biorefining-Hanlontown, LLC | POET Biorefining-Hanlontown, LLC | Hanlontown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | Dec 2018 | Dec 2025 | Natural Gas |
| Seven Mile Hill | PacifiCorp | Hanna, WY | PacifiCorp East (PACE) | 458.3 GWh | Nov 2008 | Dec 2025 | Wind |
| Orioles Community Solar | Azimuth 180 Solar Electric, LLC | Hannacroix, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Sep 2022 | Dec 2025 | Solar |
| Long Ridge Energy Generation | Long Ridge Energy Generation LLC | Hannibal, OH | PJM Interconnection, LLC (PJM) | 3.6 TWh | Sep 2021 | Aug 2026 | Natural Gas |
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | Southwest Power Pool (SWPP) | 819.2 GWh | Nov 2024 | Aug 2026 | Wind |
| 7448 Candlewood Road | Hartz Solar, LLC | Hanover, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | Dec 2025 | Solar |
| Airport Commons 7-slbal210 | Prologis Logistics Services Incorporated | Hanover, MD | PJM Interconnection, LLC (PJM) | 443.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 10.4 GWh | Dec 1969 | Aug 2026 | Residual Fuel Oil |
| Hanover Road | Bullrock-NxtGenREA | Hanover, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Oct 2024 | Dec 2025 | Solar |
| Angell Road | Bullrock-NxtGenREA | Hanover, NY | New York Independent System Operator (NYIS) | 4.1 GWh | Aug 2024 | Dec 2025 | Solar |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.3 GWh | Nov 1984 | Oct 2025 | Water |
| Astra Wind Farm | Astra Wind LLC | Happy, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 589.7 GWh | Apr 2017 | Aug 2026 | Wind |
| Onyx - Allen Harim | Onyx Asset Services Group | Harbeson, DE | PJM Interconnection, LLC (PJM) | 1.7 GWh | Mar 2017 | Dec 2025 | Solar |
| Sigel Wind Park | DTE Electric Company | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 243.7 GWh | Nov 2012 | Aug 2026 | Wind |
| Big Turtle Wind Farm, LLC | DTE Sustainable Generation | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 75.6 GWh | Nov 2014 | Dec 2025 | Wind |
| Big Turtle Wind Farm 2 | DTE Electric Company | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 103.8 GWh | Sep 2016 | Dec 2025 | Wind |
| Kaiser - Harbor City | Bloom Energy | Harbor City, CA | California Independent System Operator (CISO) | 16.6 GWh | Nov 2019 | Dec 2025 | Natural Gas |
| Jasper | Dominion Energy South Carolina, Inc | Hardeeville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 4.8 TWh | Apr 2004 | Aug 2026 | Natural Gas |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 366.5 GWh | Feb 2006 | Aug 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Yellowtail | U S Bureau of Reclamation | Hardin, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 566.2 GWh | Jul 1966 | Dec 2025 | Water |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 4.7 GWh | Mar 2017 | Aug 2026 | Solar |
| Hardwick-Athol & Eagle Hill | Madison Energy Investments LLC | Hardwick, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2015 | Sep 2025 | Solar |
| Prairie Rose Wind Farm | Prairie Rose Wind Farm | Hardwick, MN | Midcontinent Independent System Operator, Inc. (MISO) | 457.5 GWh | Nov 2012 | Aug 2026 | Wind |
| Billings Road | Altus Power America Management, LLC | Hardwick, VT | ISO New England (ISNE) | 2.2 GWh | Oct 2021 | Dec 2025 | Solar |
| ER Center Road Solar, LLC | Altus Power America Management, LLC | Hardwick, VT | ISO New England (ISNE) | 3.0 GWh | Apr 2022 | Dec 2025 | Solar |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 404.0 GWh | Dec 1971 | Aug 2026 | Natural Gas : 73.9% Distillate Fuel Oil : 26.1% |
| Harford Solar Farm | Novis Renewables, LLC | Harford, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Nov 2016 | Dec 2025 | Solar |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Jun 2001 | Dec 2025 | Distillate Fuel Oil |
| Dorchester Biomass | Dorchester Biomass LLC | Harleyville, SC | South Carolina Public Service Authority (SC) | 150.0 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| Vaquero | Power Depot Group A, LLC | Harlingen, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 120.0 MWh | Jul 2013 | Dec 2025 | Distillate Fuel Oil |
| E. Porte Ct. | Power Depot Group A, LLC | Harlingen, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 96.0 MWh | Jul 2013 | Dec 2025 | Distillate Fuel Oil |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 413.7 GWh | Nov 2005 | Aug 2026 | Wind |
| Harmony Solar (ME) | Maine DG Solar Harmony, LLC | Harmony, ME | ISO New England (ISNE) | 9.0 GWh | Jul 2022 | Dec 2025 | Solar |
| Flat Ridge 5 | Public Service Co of Oklahoma | Harper, KS | Southwest Power Pool (SWPP) | 546.5 GWh | Jul 2025 | Jul 2026 | Wind |
| Flat Ridge 4 | Public Service Co of Oklahoma | Harper, KS | Southwest Power Pool (SWPP) | 374.6 GWh | May 2025 | Feb 2026 | Wind |
| Harpster Wind | Wyandot Wind 17, LLC | Harpster, OH | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 2015 | Aug 2026 | Wind |
| Horseshoe Lake | Oklahoma Gas & Electric Co | Harrah, OK | Southwest Power Pool (SWPP) | 443.3 GWh | Mar 1958 | Dec 2025 | Natural Gas |
| Bay Tree | Cypress Creek Renewables | Harrells, NC | Duke Energy Progress East (CPLE) | 155.9 GWh | Oct 2021 | Aug 2026 | Solar |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 386.2 GWh | Jun 2008 | Aug 2026 | Wind |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 191.6 GWh | Aug 2008 | Aug 2026 | Wind |
| Old Route 17 | NY Thompson III, LLC | Harris, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Mar 2025 | Dec 2025 | Solar |
| Harrisburg Facility | Harrisburg Authority | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 101.3 GWh | Mar 2006 | Aug 2026 | Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.0% |
| Paxton Creek Cogeneration | Energy Center Paxton LLC | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 2.1 GWh | Jul 1986 | Dec 2025 | Distillate Fuel Oil : 57.8% Natural Gas : 42.2% |
| Union Ridge Solar | RWE Clean Energy | Harrison Township, OH | PJM Interconnection, LLC (PJM) | 71.4 GWh | - | Aug 2026 | Solar |
| Waste Management Northern Oaks LFGTE | WM Renewable Energy LLC | Harrison, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Oct 2010 | Dec 2025 | Landfill Gas |
| Mount Clinton | City of Harrisonburg - (VA) | Harrisonburg, VA | PJM Interconnection, LLC (PJM) | 1.8 GWh | Apr 1999 | Dec 2025 | Distillate Fuel Oil |
| Pleasant Valley (VA) | City of Harrisonburg - (VA) | Harrisonburg, VA | PJM Interconnection, LLC (PJM) | 1.3 GWh | Mar 1997 | Dec 2025 | Distillate Fuel Oil |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Jun 1985 | Dec 2025 | Water |
| Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 576.9 GWh | Sep 1991 | Dec 2025 | Natural Gas : 99.9% |
| Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.0 TWh | Nov 1990 | Dec 2025 | Natural Gas : 99.7% |
| E W Brown | Kentucky Utilities Co | Harrodsburg, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 1.9 TWh | Apr 1957 | Aug 2026 | Bituminous Coal : 75.4% Natural Gas : 23.6% Solar : 0.9% |
| Mother Ann Lee | Lock 7 Hydro Partners LLC | Harrodsburg, KY | PJM Interconnection, LLC (PJM) | 6.4 GWh | Feb 2007 | Dec 2025 | Water |
| Dix Dam | Kentucky Utilities Co | Harrodsburg, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 104.7 GWh | Oct 1925 | Dec 2025 | Water |
| Hart Wind | Hart Wind Project, LLC | Hart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 804.6 GWh | Jun 2025 | Aug 2026 | Wind |
| Enfield Solar One | Enfield Solar One, LLC | Hartford, CT | ISO New England (ISNE) | 8.3 GWh | Mar 2024 | Dec 2025 | Solar |
| Trinity College Fuel Cell | Onsite Partners, LLC | Hartford, CT | ISO New England (ISNE) | 11.1 GWh | Jul 2018 | Dec 2025 | 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) | 27.7 GWh | Sep 2009 | Dec 2025 | Natural Gas |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 49.1 GWh | Jun 1988 | Dec 2025 | Natural Gas |
| O'Brien 2 | Generate Capital | Hartford, NY | New York Independent System Operator (NYIS) | 7.4 GWh | Apr 2024 | Dec 2025 | Solar |
| O'Brien 1 | Generate Capital | Hartford, NY | New York Independent System Operator (NYIS) | 769.0 MWh | Apr 2024 | Mar 2025 | Solar |
| FFP - NY Burch CSG | Distributed Solar Development, LLC | Hartford, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Jun 2024 | Dec 2025 | Solar |
| Wilder | Great River Hydro, LLC | Hartford, VT | ISO New England (ISNE) | 134.4 GWh | Oct 1950 | Dec 2025 | Water |
| GMP Solar - Hartford | Green Mountain Power Corp | Hartford, VT | ISO New England (ISNE) | 7.0 GWh | Nov 2016 | Aug 2026 | Solar |
| Hartland Solar | Madison Energy Holdings LLC | Hartland, ME | ISO New England (ISNE) | 6.5 GWh | Nov 2021 | Dec 2025 | 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 |