Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Evander Andrews Power Complex | Idaho Power Co | Mountain Home, ID | Idaho Power Company (IPCO) | 1.1 TWh | Aug 2001 | Dec 2024 | Natural Gas |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 54.8 GWh | Jul 1912 | Dec 2024 | Water |
| Cascade Dam (ID) | Idaho Power Co | Cascade, ID | Idaho Power Company (IPCO) | 37.4 GWh | Nov 1983 | Dec 2024 | Water |
| Swan Falls | Idaho Power Co | Kuna, ID | Idaho Power Company (IPCO) | 121.9 GWh | Feb 1994 | Dec 2024 | Water |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 71.3 GWh | Jul 1907 | Dec 2024 | Water |
| Salmon Diesel | Idaho Power Co | Salmon, ID | Idaho Power Company (IPCO) | 37.0 MWh | Nov 1967 | Sep 2025 | Distillate Fuel Oil |
| Lower Salmon | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 232.0 GWh | Jan 1949 | Dec 2024 | Water |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.0 GWh | Sep 1948 | Dec 2024 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 16.7 GWh | Nov 1937 | Dec 2024 | Water |
| C J Strike | Idaho Power Co | Bruneau, ID | Idaho Power Company (IPCO) | 422.3 GWh | Feb 1952 | Dec 2024 | Water |
| Brownlee | Idaho Power Co | Cambridge, ID | Idaho Power Company (IPCO) | 2.2 TWh | Jul 1958 | Dec 2024 | Water |
| Bliss (ID) | Idaho Power Co | Bliss, ID | Idaho Power Company (IPCO) | 332.6 GWh | Oct 1949 | Dec 2024 | Water |
| American Falls | Idaho Power Co | American Falls, ID | Idaho Power Company (IPCO) | 242.4 GWh | Feb 1978 | Oct 2024 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 108.0 GWh | Aug 1937 | Dec 2024 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 101.0 GWh | Feb 1935 | Dec 2024 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | May 1948 | Dec 2024 | Water |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 1.9 TWh | Sep 1967 | Dec 2024 | Water |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 965.3 GWh | Jun 1961 | Dec 2024 | Water |
| Milner Hydro | Idaho Power Co | Murtaugh, ID | Idaho Power Company (IPCO) | 98.7 GWh | Aug 1992 | Dec 2024 | Water |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.3 GWh | Aug 1947 | Dec 2024 | Water |
| Bennett Mountain | Idaho Power Co | Mountain Home, ID | Idaho Power Company (IPCO) | 919.1 GWh | Mar 2005 | Dec 2024 | Natural Gas |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Newhalen | I-N-N Electric Coop, Inc | Iliamna, AK | 3.2 GWh | Aug 1998 | Dec 2024 | Water : 99.1% Distillate Fuel Oil : 0.9% | |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 65.9 GWh | Feb 1992 | Dec 2024 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| Chateaugay High Falls Hydro | Hydroland Omega LLC | Chateaugay, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Nov 1988 | Dec 2023 | Water |
| Walden | Hydroland Omega LLC | Walden, NY | New York Independent System Operator (NYIS) | 840.0 MWh | Mar 1986 | Dec 2023 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 2024 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.2 GWh | May 1915 | Dec 2024 | Water |
| Deadwood Creek | Hydro Sierra Energy, LLC | Dobbins, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 1993 | May 2024 | Water |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 27.0 GWh | Dec 1988 | Dec 2024 | Water |
| HXNAir Solar One | HXNAir Solar One LLC | Halifax, NC | PJM Interconnection, LLC (PJM) | 7.7 GWh | Nov 2017 | Dec 2024 | Solar |
| Hwy 14 Holdco Solar CSG | Hwy 14 Holdco, LLC | Byron, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Jun 2017 | Dec 2024 | Solar |
| Huxley Solar | Huxley Solar, LLC | Ludlow, MA | ISO New England (ISNE) | 10.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Hutchinson Plant #2 | Hutchinson Utilities Comm | Hutchinson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Oct 1994 | Dec 2024 | Natural Gas |
| Hutchinson Plant #1 | Hutchinson Utilities Comm | Hutchinson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 35.7 GWh | Dec 1957 | Dec 2024 | Natural Gas |
| Hurricane City Power | Hurricane City Power | Hurricane, UT | PacifiCorp East (PACE) | 7.4 GWh | Nov 1999 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Huntington Resource Recovery Facility | Huntington Resource Recovery | East Northport, NY | New York Independent System Operator (NYIS) | 198.1 GWh | Nov 1991 | Sep 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9% |
| Hunterstown | Hunterstown Power, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 12.4 GWh | Apr 1971 | Dec 2024 | Natural Gas : 99.6% |
| Hunterstown Power Plant | Hunterstown Generation, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 6.1 TWh | Jun 2003 | Sep 2025 | Natural Gas |
| Hunter Solar, LLC (CO) | Hunter Solar, LLC | Bennett, CO | Public Service Company of Colorado (PSCO) | 200.0 GWh | Nov 2023 | Sep 2025 | Solar |
| Hunter Solar LLC (UT) | Hunter Solar LLC | Clawson, UT | PacifiCorp East (PACE) | 265.5 GWh | Feb 2021 | Sep 2025 | Solar |
| Hunlock Power Station | Hunlock Energy, LLC | Hunlock Creek, PA | PJM Interconnection, LLC (PJM) | 630.9 GWh | Aug 1959 | Dec 2024 | Natural Gas |
| Hunlock Unit 4 | Hunlock Energy, LLC | Hunlock Creek, PA | PJM Interconnection, LLC (PJM) | 26.2 GWh | Nov 2000 | Dec 2024 | Natural Gas |
| Huneke I CSG | Huneke I CSG LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 2018 | Dec 2024 | Solar |
| Hummel Station LLC | Hummel Station, LLC | Shamokin Dam, PA | PJM Interconnection, LLC (PJM) | 7.5 TWh | May 2018 | Sep 2025 | Natural Gas |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 5.9 GWh | May 1983 | Dec 2024 | Water |
| Huerfano River Wind | Huerfano River Wind, LLC | Walsenburg, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 12.8 GWh | Sep 2013 | Dec 2024 | Wind |
| HVCC Cogen Plant | Hudson Valley Community College | Troy, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Mar 2004 | Dec 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| John L. Featherstone Plant | Hudson Ranch Power I LLC | Calipatria, CA | Imperial Irrigation District (IID) | 434.6 GWh | Feb 2012 | Sep 2025 | Geothermal |
| Hubble Solar, LLC | Hubble Solar, LLC | Whiteville, NC | Duke Energy Progress East (CPLE) | 3.8 GWh | Mar 2023 | Dec 2024 | Solar |
| Hubbard Wind | Hubbard Wind LLC | Mt Calm, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 991.3 GWh | Oct 2021 | Sep 2025 | Wind |
| Tatanka Wi | HQC Tatanka Wi Solar Power Generation LLC | Buffalo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 11.3 GWh | Nov 2017 | Dec 2024 | Solar |
| HQC Rock River Solar Power Gen Station | HQC Rock River Solar Power Generation Station LLC | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Jun 2016 | Dec 2024 | Solar |
| HP Hood CT | HP Hood LLC | Winchester, VA | PJM Interconnection, LLC (PJM) | 110.1 GWh | May 2015 | Sep 2025 | Natural Gas |
| Howard Wind Farm | Howard Wind LLC (Longroad) | Hornell, NY | New York Independent System Operator (NYIS) | 109.1 GWh | Nov 2011 | Dec 2024 | Wind |
| Alpha Ridge LFG | Howard County - Maryland | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 258.0 MWh | Jun 2012 | Dec 2024 | Landfill Gas |
| Mountain Home | Hot Springs Windfarm, LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 35.2 GWh | Apr 2008 | Sep 2025 | Wind |
| Blake Solar Plant | Horus West Virginia 1, LLC | Charles Town, WV | PJM Interconnection, LLC (PJM) | 160.2 GWh | Feb 2024 | Sep 2025 | Solar |
| Elizabeth Solar Plant | Horus Louisiana 1, LLC | Pitkin, LA | Midcontinent Independent System Operator, Inc. (MISO) | 274.7 GWh | Jul 2024 | Sep 2025 | Solar |
| Horseshoe Solar, LLC | Horseshoe Solar, LLC | Tooele, UT | PacifiCorp East (PACE) | 196.5 GWh | Apr 2024 | Sep 2025 | Solar |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 42.0 GWh | Mar 1995 | Dec 2024 | Water |
| Horse Creek Wind Farm | Horse Creek Wind, LLC | Weinert, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 811.9 GWh | Sep 2016 | Dec 2024 | Wind |
| Hornshadow Solar, LLC | Hornshadow Solar, LLC | Castle Dale, UT | PacifiCorp East (PACE) | 106.6 GWh | - | Sep 2025 | Solar |
| Hornshadow Solar II, LLC | Hornshadow Solar II, LLC | Castle Dale, UT | PacifiCorp East (PACE) | 145.7 GWh | - | Sep 2025 | Solar |
| Horizon Hill Wind Project | Horizon Hill Wind, LLC | Crescent, OK | Southwest Power Pool (SWPP) | 626.6 GWh | Jan 2024 | Sep 2025 | Wind |
| Hopkins Energy LLC | Hopkins Energy LLC | Dike, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 566.1 GWh | May 2024 | Sep 2025 | Solar |
| Hopewell Valley High School Hybrid | Hopewell Valley High School | Pennington, NJ | PJM Interconnection, LLC (PJM) | 570.0 MWh | Nov 2015 | Dec 2024 | Solar |
| Hopewell Cogeneration NJ | Hopewell Campus Owners LLC | Pennington, NJ | PJM Interconnection, LLC (PJM) | 317.0 MWh | Jul 2015 | Dec 2024 | Natural Gas |
| Livingston Generating Facility | Hoosier Energy R E C, Inc | Pontiac, IL | PJM Interconnection, LLC (PJM) | 63.5 GWh | Nov 1999 | Dec 2024 | Landfill Gas |
| Worthington Generation LLC | Hoosier Energy R E C, Inc | Worthington, IN | Midcontinent Independent System Operator, Inc. (MISO) | 195.3 GWh | May 2000 | Dec 2024 | Natural Gas |
| Johnson Co. Solar RES | Hoosier Energy R E C, Inc | Trafalgar, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Sep 2016 | Dec 2024 | Solar |
| New Castle Solar RES | Hoosier Energy R E C, Inc | New Castle, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Oct 2015 | Dec 2024 | Solar |
| Scotland Solar RES | Hoosier Energy R E C, Inc | Newberry, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Oct 2015 | Dec 2024 | Solar |
| New Haven Solar RES | Hoosier Energy R E C, Inc | Dale, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Aug 2016 | Dec 2024 | Solar |
| Decatur Co. Solar RES (IN) | Hoosier Energy R E C, Inc | Greensburg, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Aug 2017 | Dec 2024 | Solar |
| Lanesville Solar RES | Hoosier Energy R E C, Inc | Lanesville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 907.0 MWh | Nov 2015 | Dec 2024 | Solar |
| Ellettsville Solar RES | Hoosier Energy R E C, Inc | Ellettsville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Sep 2016 | Dec 2024 | Solar |
| Jackson Co. Solar RES | Hoosier Energy R E C, Inc | Columbus, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Aug 2017 | Dec 2024 | 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 2024 | Solar |
| Henryville Solar RES | Hoosier Energy R E C, Inc | Underwood, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Aug 2016 | Dec 2024 | Solar |
| Lawrence County Station | Hoosier Energy R E C, Inc | Mitchell, IN | Midcontinent Independent System Operator, Inc. (MISO) | 109.3 GWh | Apr 2005 | Dec 2024 | Natural Gas |
| Hoopeston Wind LLC | Hoopeston Wind LLC | Rossville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 371.3 GWh | Feb 2015 | Dec 2024 | Wind |
| St Francisville Mill | Hood Container of Louisiana, LLC | St. Francisville, LA | Midcontinent Independent System Operator, Inc. (MISO) | 110.3 GWh | Feb 1966 | Dec 2024 | Black Liquor : 58.6% Natural Gas : 41.4% |
| Hometown Bio Energy LLC | Hometown Bio Energy LLC | Le Sueur, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Nov 2013 | Dec 2024 | Other Biomass Gas |
| Seldovia | Homer Electric Assn Inc | Seldovia, AK | 68.0 MWh | Nov 2004 | Dec 2024 | Distillate Fuel Oil | |
| Bernice Lake | Homer Electric Assn Inc | Nikiski, AK | 1.3 GWh | Oct 1971 | Dec 2024 | Natural Gas | |
| Bradley Lake | Homer Electric Assn Inc | Homer, AK | 397.1 GWh | May 1991 | Dec 2024 | Water | |
| Soldotna | Homer Electric Assn Inc | Soldotna, AK | 42.1 GWh | Mar 2014 | Dec 2024 | Natural Gas | |
| Nikiski Combined Cycle | Homer Electric Assn Inc | Nikiski, AK | 414.8 GWh | Aug 1986 | Dec 2024 | Natural Gas | |
| Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2011 | Dec 2024 | Solar |
| Sunnyside Ranch Community Solar Array | Holy Cross Electric Assn, Inc | Carbondale, CO | Public Service Company of Colorado (PSCO) | 2.5 GWh | Mar 2015 | Dec 2024 | Solar |
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Dec 1983 | Nov 2024 | Water |
| West Groton CHP | Hollingsworth & Vose Co West Groton | Groton, MA | ISO New England (ISNE) | 22.0 GWh | Nov 2015 | Dec 2024 | Natural Gas |
| Hog Creek Wind Project | Hog Creek Wind Project LLC | Ada, OH | PJM Interconnection, LLC (PJM) | 198.1 GWh | Nov 2017 | Sep 2025 | Wind |
| Hoffer Plastics | Hoffer Plastics | South Elgin, IL | PJM Interconnection, LLC (PJM) | 2.2 GWh | Mar 1992 | Sep 2025 | Natural Gas |
| Hobnail Solar | Hobnail Solar, LLC | Hephzibah, GA | Southern Company Services, Inc. - Trans (SOCO) | 151.5 GWh | Nov 2023 | Sep 2025 | Solar |
| Hoag Hospital Cogen Plant | Hoag Memorial Presbyterian Hospital | Newport Beach, CA | California Independent System Operator (CISO) | 20.6 GWh | Jun 2006 | Sep 2025 | Natural Gas |
| Ho'Ohana Solar 1 | Ho'Ohana Solar 1 LLC | Waipahu, HI | (HECO) | 20.2 GWh | - | 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 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 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 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |