Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Heartwood Solar | Heartwood Solar, LLC | Allen, MI | Midcontinent Independent System Operator, Inc. (MISO) | 26.2 GWh | - | Jun 2026 | Solar |
| Hecate Energy Longhorn Solar LLC | Repsol Renewables NA | Jacksboro, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 737.1 GWh | - | Aug 2026 | Solar |
| Hill Solar 1 | Hill Solar 1, LLC | Itasca, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 723.0 GWh | - | Aug 2026 | Solar |
| Hubbard Wind II | Hubbard Wind II, LLC | Malone, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 58.3 GWh | - | Aug 2026 | Wind |
| Huckleberry Solar | Leeward Asset Management, LLC | Pryor, OK | Southwest Power Pool (SWPP) | 120.8 GWh | - | Aug 2026 | Solar |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.6 GWh | Jul 1910 | Dec 2025 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 833.4 GWh | Sep 1910 | Dec 2025 | Water |
| Hydro Plant | City of Sturgis - (MI) | Three Rivers, MI | PJM Interconnection, LLC (PJM) | 6.7 GWh | Aug 1911 | Dec 2025 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 128.4 GWh | Oct 1911 | Dec 2025 | Water |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 44.1 GWh | Dec 1913 | Dec 2025 | Water |
| Hoot Lake | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Aug 1914 | Dec 2025 | Water |
| Halifax (VA) | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 811.0 MWh | Dec 1914 | Dec 2025 | Water |
| Halsey | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 21.5 GWh | Nov 1916 | Dec 2025 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 31.3 GWh | Dec 1916 | Dec 2025 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 247.5 GWh | Jun 1918 | Dec 2025 | Water |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 32.4 GWh | Jul 1921 | Dec 2025 | Water |
| Hat Creek 2 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 46.0 GWh | Aug 1921 | Dec 2025 | Water |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.8 GWh | Dec 1921 | Dec 2025 | Water |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | May 1923 | Dec 2025 | Water |
| Highgate Falls | Village of Swanton - (VT) | Highgate, VT | ISO New England (ISNE) | 32.1 GWh | Jul 1923 | Dec 2025 | Water |
| Herrings | Erie Boulevard Hydropower LP | Carthage, NY | New York Independent System Operator (NYIS) | 18.4 GWh | Dec 1923 | Dec 2025 | Water |
| Heuvelton | Erie Boulevard Hydropower LP | Village of Heuvelton, NY | New York Independent System Operator (NYIS) | 4.2 GWh | Dec 1923 | Dec 2025 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 98.2 GWh | Apr 1924 | Dec 2025 | Water |
| High Falls - Croghan NY | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 25.0 GWh | Dec 1924 | Dec 2025 | Water |
| Hodenpyl | Consumers Energy Co - (MI) | Mesick, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.7 GWh | Jun 1925 | Dec 2025 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 74.1 GWh | Mar 1927 | Aug 2026 | Water |
| Haiwee | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 11.0 GWh | Jun 1927 | Sep 2025 | Water |
| Hooksett | Central Rivers Power NH, LLC | Hooksett, NH | ISO New England (ISNE) | 6.3 GWh | Jul 1927 | Dec 2025 | Water |
| High Rock Hydro | Eagle Creek Renewable Energy, LLC | Denton, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 99.7 GWh | Oct 1927 | Dec 2025 | Water |
| High Dam | Oswego, City of - (NY) | Oswego, NY | New York Independent System Operator (NYIS) | 19.1 GWh | Jul 1928 | Dec 2025 | Water |
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 64.9 GWh | May 1931 | Dec 2025 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 2.5 GWh | Jun 1934 | Aug 2026 | Water |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 366.3 GWh | May 1936 | Dec 2025 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.4 TWh | Aug 1936 | Aug 2026 | Water |
| Hoover Dam (NV) | U S Bureau of Reclamation | Boulder City, NV | Western Area Power Administration - Desert Southwest Region (WALC) | 1.3 TWh | Aug 1936 | Aug 2026 | Water |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 153.0 MWh | May 1937 | Dec 2025 | Natural Gas : 92.3% Distillate Fuel Oil : 7.7% |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 124.1 GWh | Dec 1937 | Aug 2026 | Wood/Wood Waste Solids : 99.9% |
| Hiwassee Dam | Tennessee Valley Authority | Murphy, NC | Tennessee Valley Authority (TVA) | 176.1 GWh | Apr 1940 | Aug 2026 | Water |
| Hydraulic Race | Erie Boulevard Hydropower LP | Lockport, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Dec 1941 | Dec 2025 | Water |
| Higginsville | City of Higginsville - (MO) | Higginsville, MO | Southwest Power Pool (SWPP) | 1.8 GWh | Dec 1944 | Dec 2025 | Natural Gas : 93.1% Distillate Fuel Oil : 6.9% |
| Hillsdale | Hillsdale Board of Public Wks | Hillsdale, MI | Midcontinent Independent System Operator, Inc. (MISO) | 711.0 MWh | Feb 1947 | Dec 2025 | Natural Gas : 81.9% Distillate Fuel Oil : 18.1% |
| Heart Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 16.1 GWh | Nov 1948 | Oct 2025 | Water |
| Harbor | Los Angeles Department of Water & Power | Wilmington, CA | Los Angeles Department of Water and Power (LDWP) | 134.1 GWh | Jun 1949 | Aug 2026 | Natural Gas |
| Holcombe | Northern States Power Co - Minnesota | Holcombe, WI | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 GWh | Dec 1949 | Dec 2025 | Water |
| Hal C Weaver Power Plant | University of Texas at Austin | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 357.4 GWh | Sep 1951 | Dec 2025 | Natural Gas |
| Hadley Falls | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 137.3 GWh | Dec 1951 | Dec 2025 | Water |
| Hill City | City of Hill City -(KS) | Hill City, KS | Southwest Power Pool (SWPP) | 6.0 MWh | Apr 1952 | Dec 2025 | Distillate Fuel Oil |
| Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | Bonneville Power Administration (BPAT) | 632.9 GWh | Sep 1952 | Dec 2025 | Water |
| Hemlock Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.4 GWh | Jul 1953 | Oct 2025 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 150.9 GWh | Dec 1953 | Dec 2025 | Water |
| Hamilton (OH) | City of Hamilton - (OH) | Hamilton, OH | PJM Interconnection, LLC (PJM) | 1.2 GWh | Feb 1954 | Dec 2025 | Natural Gas |
| Hennepin Island | Northern States Power Co - Minnesota | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 53.9 GWh | Sep 1954 | Dec 2025 | Water |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 371.6 GWh | Jan 1956 | Aug 2026 | Distillate Fuel Oil : 92.8% Natural Gas : 7.2% |
| Hutchinson Plant #1 | Hutchinson Utilities Comm | Hutchinson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 41.9 GWh | Dec 1957 | Dec 2025 | Natural Gas |
| Holton | City of Holton - (KS) | City of Holton, KS | Southwest Power Pool (SWPP) | 806.0 MWh | Jan 1958 | Dec 2025 | Natural Gas : 92.3% Distillate Fuel Oil : 7.7% |
| Horseshoe Lake | Oklahoma Gas & Electric Co | Harrah, OK | Southwest Power Pool (SWPP) | 443.3 GWh | Mar 1958 | Dec 2025 | Natural Gas |
| Harding Street | AES Indiana | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 TWh | May 1958 | Aug 2026 | Natural Gas |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 TWh | Nov 1958 | Aug 2026 | Natural Gas |
| Haas | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 305.0 GWh | Nov 1958 | Aug 2026 | Water |
| Hunlock Power Station | Hunlock Energy, LLC | Hunlock Creek, PA | PJM Interconnection, LLC (PJM) | 232.5 GWh | Aug 1959 | Dec 2025 | Natural Gas |
| Hoisington | City of Hoisington - (KS) | Hoisington, KS | Southwest Power Pool (SWPP) | 39.0 MWh | Jul 1961 | Dec 2025 | Distillate Fuel Oil : 79.1% Natural Gas : 20.9% |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 115.9 GWh | Jan 1962 | Dec 2025 | Water |
| Hank Nikkels Plant 1 | Chugach Electric Assn Inc | Anchorage, AK | 10.3 GWh | Feb 1962 | Dec 2025 | Natural Gas | |
| Hartwell Lake | USCE-Savannah District | Hartwell, GA | Southeastern Power Administration (SEPA) | 344.3 GWh | Mar 1962 | Dec 2025 | Water |
| Haynes | Los Angeles Department of Water & Power | Long Beach, CA | Los Angeles Department of Water and Power (LDWP) | 1.6 TWh | Aug 1962 | Aug 2026 | Natural Gas |
| Handley | Constellation Power, Inc | Fort Worth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 871.8 GWh | Jun 1963 | Aug 2026 | Natural Gas |
| Hugoton 2 | City of Hugoton - (KS) | Hugoton, KS | Southwest Power Pool (SWPP) | 72.5 MWh | Dec 1963 | Dec 2025 | Distillate Fuel Oil |
| Hibbing | Hibbing Public Utilities Comm | Hibbing, MN | Midcontinent Independent System Operator, Inc. (MISO) | 39.8 GWh | Mar 1965 | Dec 2025 | Natural Gas : 52.2% Wood/Wood Waste Solids : 46.4% Bituminous Coal : 1.4% |
| Hutchinson Energy Center | Evergy Kansas Central, Inc | Hutchinson, KS | Southwest Power Pool (SWPP) | 16.0 GWh | Apr 1965 | Dec 2025 | Natural Gas : 85.2% Distillate Fuel Oil : 14.8% |
| Hayden | Public Service Co of Colorado | Hayden, CO | Public Service Company of Colorado (PSCO) | 1.4 TWh | Jun 1965 | Aug 2026 | Bituminous Coal : 99.8% |
| H L Culbreath Bayside Power Station | Tampa Electric Co | Tampa, FL | Tampa Electric Company (TEC) | 7.8 TWh | Oct 1965 | Aug 2026 | Natural Gas |
| Hancock | DTE Electric Company | Commerce Twp, MI | Midcontinent Independent System Operator, Inc. (MISO) | 20.4 GWh | Mar 1966 | Dec 2025 | Natural Gas |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 180.9 GWh | May 1966 | Dec 2025 | Water |
| Highland | City of Highland - (IL) | Highland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 222.5 MWh | Feb 1967 | Dec 2025 | Distillate Fuel Oil |
| Harris Lake | New York State Elec & Gas Corp | Town of Newcomb, NY | New York Independent System Operator (NYIS) | 243.0 MWh | Aug 1967 | Dec 2025 | Distillate Fuel Oil |
| Healy | Golden Valley Elec Assn Inc | Healy, AK | (NA) | 403.9 GWh | Aug 1967 | Aug 2026 | Lignite Coal : 98.7% Distillate Fuel Oil : 1.3% |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 2.0 TWh | Sep 1967 | Dec 2025 | Water |
| Haines | Alaska Power and Telephone Co | Haines, AK | 229.0 MWh | May 1968 | Dec 2025 | Distillate Fuel Oil | |
| Holt Dam | Alabama Power Co | Tuscaloosa, AL | Southern Company Services, Inc. - Trans (SOCO) | 156.6 GWh | Jul 1968 | Dec 2025 | Water |
| Hawthorn | Evergy Metro | Kansas City, MO | Southwest Power Pool (SWPP) | 2.5 TWh | Apr 1969 | Aug 2026 | Subbituminous Coal : 78.7% Natural Gas : 21.3% |
| Houston Plant | Eco Services Corp. | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 52.5 GWh | Dec 1969 | Dec 2025 | Waste Heat |
| Haefling | Kentucky Utilities Co | Lexington, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 76.0 MWh | Sep 1970 | Dec 2025 | Natural Gas |
| H B Robinson | Duke Energy Progress - (NC) | Hartsville, SC | Duke Energy Progress East (CPLE) | 6.7 TWh | Feb 1971 | Aug 2026 | Nuclear |
| Hunterstown | Hunterstown Power, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 24.5 GWh | Apr 1971 | Dec 2025 | Natural Gas |
| Hamilton (PA) | Hamilton Power, LLC | Abbottstown, PA | PJM Interconnection, LLC (PJM) | 827.0 MWh | May 1971 | Dec 2025 | Distillate Fuel Oil |
| Hillburn | Alliance NYGT, LLC | Hillburn, NY | New York Independent System Operator (NYIS) | 701.0 MWh | Jun 1972 | Dec 2025 | Natural Gas |
| Hallam | Nebraska Public Power District | Hallam, NE | Southwest Power Pool (SWPP) | 1.4 GWh | May 1973 | Sep 2025 | Distillate Fuel Oil : 76.4% Natural Gas : 23.6% |
| Hebron | Nebraska Public Power District | Hebron, NE | Southwest Power Pool (SWPP) | 2.5 GWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| Hilton Head | South Carolina Public Service Authority | Hilton Head Island, SC | South Carolina Public Service Authority (SC) | 79.0 MWh | Jul 1973 | Dec 2025 | Distillate Fuel Oil |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 54.0 MWh | Aug 1973 | Dec 2025 | Distillate Fuel Oil |
| Holtsville | National Grid Generation LLC | Holtsville, NY | New York Independent System Operator (NYIS) | 38.7 GWh | Jun 1974 | Dec 2025 | Kerosene |
| Huntington | PacifiCorp | Huntington, UT | PacifiCorp East (PACE) | 4.5 TWh | Jun 1974 | Aug 2026 | Bituminous Coal |
| Harrington | Southwestern Public Service Co | Amarillo, TX | Southwest Power Pool (SWPP) | 2.3 TWh | Dec 1975 | Aug 2026 | Natural Gas |
| H L Spurlock | East Kentucky Power Coop, Inc | Maysville, KY | PJM Interconnection, LLC (PJM) | 8.7 TWh | Aug 1977 | Aug 2026 | Bituminous Coal : 99.3% Tire-derived Fuels : 0.6% |
| Hunter | PacifiCorp | Castle Dale, UT | PacifiCorp East (PACE) | 6.5 TWh | May 1978 | Aug 2026 | Bituminous Coal : 99.8% |
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 28.3 GWh | Sep 1978 | Aug 2026 | Natural Gas |
| Hickman | Turlock Irrigation District | Hickman, CA | Turlock Irrigation District (TIDC) | 3.6 GWh | Aug 1979 | Dec 2025 | Water |
| Harry Truman | USCE-Kansas City District | Warsaw, MO | Southwestern Power Administration (SPA) | 270.5 GWh | Nov 1979 | Aug 2026 | Water |
| Hopewell Mill | RockTenn-Hopewell | Hopewell, VA | PJM Interconnection, LLC (PJM) | 287.5 GWh | Nov 1980 | Aug 2026 | Black Liquor : 47.9% Wood/Wood Waste Solids : 34.8% Natural Gas : 16.7% Bituminous Coal : 0.6% |
| Haw River Hydro | Haw River Hydro Co | Saxapahaw, NC | Duke Energy Carolinas (DUK) | 3.5 GWh | Aug 1981 | Dec 2025 | Water |
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 |