Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hale Kuawehi Solar Hybrid | Hale Kuawehi Solar LLC | Waimea, HI | (HECO) | 47.8 GWh | - | Sep 2025 | Solar |
| Hardin Solar III | Hardin Solar Energy III | Alger, OH | PJM Interconnection, LLC (PJM) | 390.8 GWh | - | Sep 2025 | Solar |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 494.8 GWh | - | Sep 2025 | Solar |
| Harquahala Sun Solar Project | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 228.0 GWh | - | Sep 2025 | Solar |
| Hart Wind | Hart Wind Project, LLC | Hart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 140.9 GWh | - | Sep 2025 | Wind |
| Hecate Energy Outpost Solar LLC | Repsol Renewables NA | Laredo, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 247.4 GWh | - | Sep 2025 | Solar |
| Ho'Ohana Solar 1 | Ho'Ohana Solar 1 LLC | Waipahu, HI | (HECO) | 20.2 GWh | - | Sep 2025 | Solar |
| Hog Bay | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 150.9 GWh | - | Sep 2025 | Solar |
| Holopaw | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 143.7 GWh | - | Sep 2025 | Solar |
| Hornet Solar (TX) | Vesper Energy Development LLC | Tulia, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 911.5 GWh | - | Sep 2025 | Solar |
| Hornshadow Solar II, LLC | Hornshadow Solar II, LLC | Castle Dale, UT | PacifiCorp East (PACE) | 145.7 GWh | - | Sep 2025 | Solar |
| Hornshadow Solar, LLC | Hornshadow Solar, LLC | Castle Dale, UT | PacifiCorp East (PACE) | 106.6 GWh | - | Sep 2025 | Solar |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Jul 1910 | Dec 2024 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 866.1 GWh | Sep 1910 | Dec 2024 | Water |
| Hydro Plant | City of Sturgis - (MI) | Three Rivers, MI | PJM Interconnection, LLC (PJM) | 5.6 GWh | Aug 1911 | Dec 2024 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 134.4 GWh | Oct 1911 | Dec 2024 | Water |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 52.5 GWh | Dec 1913 | Dec 2024 | Water |
| Hoot Lake | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Aug 1914 | Dec 2024 | Water |
| Halifax (VA) | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Dec 1914 | Dec 2024 | Water |
| Halsey | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 7.6 GWh | Nov 1916 | Oct 2024 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 40.2 GWh | Dec 1916 | Dec 2024 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 265.8 GWh | Jun 1918 | Dec 2024 | Water |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 26.8 GWh | Jul 1921 | Dec 2024 | Water |
| Hat Creek 2 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 26.0 GWh | Aug 1921 | Dec 2024 | Water |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1921 | Dec 2024 | Water |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | May 1923 | Dec 2024 | Water |
| Highgate Falls | Village of Swanton - (VT) | Highgate, VT | ISO New England (ISNE) | 46.6 GWh | Jul 1923 | Dec 2024 | Water |
| Herrings | Erie Boulevard Hydropower LP | Carthage, NY | New York Independent System Operator (NYIS) | 23.0 GWh | Dec 1923 | Dec 2024 | Water |
| Heuvelton | Erie Boulevard Hydropower LP | Village of Heuvelton, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Dec 1923 | Dec 2024 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 91.5 GWh | Apr 1924 | Dec 2024 | Water |
| High Falls - Croghan NY | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 29.2 GWh | Dec 1924 | Dec 2024 | Water |
| Hodenpyl | Consumers Energy Co - (MI) | Mesick, MI | Midcontinent Independent System Operator, Inc. (MISO) | 39.6 GWh | Jun 1925 | Dec 2024 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 96.4 GWh | Mar 1927 | Sep 2025 | Water |
| Haiwee | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 5.1 GWh | Jun 1927 | Dec 2024 | Water |
| Hooksett | Central Rivers Power NH, LLC | Hooksett, NH | ISO New England (ISNE) | 5.3 GWh | Jul 1927 | Dec 2024 | Water |
| High Rock Hydro | Eagle Creek Renewable Energy, LLC | Denton, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 141.0 GWh | Oct 1927 | Dec 2024 | Water |
| High Dam | Oswego City of | Oswego, NY | New York Independent System Operator (NYIS) | 25.6 GWh | Jul 1928 | Dec 2024 | Water |
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 71.6 GWh | May 1931 | Dec 2024 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jun 1934 | Sep 2025 | Water |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 433.8 GWh | May 1936 | Dec 2024 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 898.4 GWh | Aug 1936 | Sep 2025 | Water |
| Hoover Dam (NV) | U S Bureau of Reclamation | Boulder City, NV | Western Area Power Administration - Desert Southwest Region (WALC) | 2.0 TWh | Aug 1936 | Sep 2025 | Water |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 197.0 MWh | May 1937 | Dec 2024 | Natural Gas : 91.9% Distillate Fuel Oil : 8.1% |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 110.1 GWh | Dec 1937 | Sep 2025 | Wood/Wood Waste Solids : 99.8% |
| Hiwassee Dam | Tennessee Valley Authority | Murphy, NC | Tennessee Valley Authority (TVA) | 267.2 GWh | Apr 1940 | Sep 2025 | Water |
| Hydraulic Race | Erie Boulevard Hydropower LP | Lockport, NY | New York Independent System Operator (NYIS) | 10.0 GWh | Dec 1941 | Nov 2024 | Water |
| Higginsville | City of Higginsville - (MO) | Higginsville, MO | Southwest Power Pool (SWPP) | 6.4 GWh | Dec 1944 | Nov 2024 | Natural Gas : 95.3% Distillate Fuel Oil : 4.7% |
| Hillsdale | Hillsdale Board of Public Wks | Hillsdale, MI | Midcontinent Independent System Operator, Inc. (MISO) | 196.0 MWh | Feb 1947 | Dec 2024 | Natural Gas : 89.6% Distillate Fuel Oil : 10.4% |
| High Falls - Saranac NY | New York State Elec & Gas Corp | Town of Saranac, NY | New York Independent System Operator (NYIS) | 88.2 GWh | Jul 1948 | Sep 2024 | Water |
| Heart Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 21.0 GWh | Nov 1948 | Dec 2024 | Water |
| Harbor | Los Angeles Department of Water & Power | Wilmington, CA | Los Angeles Department of Water and Power (LDWP) | 162.9 GWh | Jun 1949 | Sep 2025 | Natural Gas |
| Holcombe | Northern States Power Co - Minnesota | Holcombe, WI | Midcontinent Independent System Operator, Inc. (MISO) | 92.7 GWh | Dec 1949 | Dec 2024 | Water |
| Hal C Weaver Power Plant | University of Texas at Austin | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 361.2 GWh | Sep 1951 | Dec 2024 | Natural Gas |
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 151.1 GWh | Dec 1951 | Dec 2024 | Water |
| Hill City | City of Hill City | Hill City, KS | Southwest Power Pool (SWPP) | 11.0 MWh | Apr 1952 | Dec 2024 | Distillate Fuel Oil |
| Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | Bonneville Power Administration (BPAT) | 730.3 GWh | Sep 1952 | Dec 2024 | Water |
| Hemlock Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Jul 1953 | Dec 2024 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 170.4 GWh | Dec 1953 | Dec 2024 | Water |
| Hamilton (OH) | City of Hamilton - (OH) | Hamilton, OH | PJM Interconnection, LLC (PJM) | 1.1 GWh | Feb 1954 | Dec 2024 | Natural Gas |
| Hennepin Island | Northern States Power Co - Minnesota | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 47.1 GWh | Sep 1954 | Dec 2024 | Water |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 206.2 GWh | Jan 1956 | Sep 2025 | Distillate Fuel Oil : 88.8% Natural Gas : 11.2% |
| Hutchinson Plant #1 | Hutchinson Utilities Comm | Hutchinson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 35.7 GWh | Dec 1957 | Dec 2024 | Natural Gas |
| Holton | City of Holton - (KS) | City of Holton, KS | Southwest Power Pool (SWPP) | 816.0 MWh | Jan 1958 | Dec 2024 | Natural Gas : 91.0% Distillate Fuel Oil : 9.0% |
| Horseshoe Lake | Oklahoma Gas & Electric Co | Harrah, OK | Southwest Power Pool (SWPP) | 614.9 GWh | Mar 1958 | Dec 2024 | Natural Gas |
| Harding Street | AES Indiana | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 TWh | May 1958 | Sep 2025 | Natural Gas |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.8 TWh | Nov 1958 | Sep 2025 | Natural Gas |
| Haas | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 219.6 GWh | Nov 1958 | Aug 2025 | Water |
| Hunlock Power Station | Hunlock Energy, LLC | Hunlock Creek, PA | PJM Interconnection, LLC (PJM) | 630.9 GWh | Aug 1959 | Dec 2024 | Natural Gas |
| Hoisington | City of Hoisington - (KS) | Hoisington, KS | Southwest Power Pool (SWPP) | 32.0 MWh | Jul 1961 | Dec 2024 | Distillate Fuel Oil : 62.2% Natural Gas : 37.8% |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 119.8 GWh | Jan 1962 | Dec 2024 | Water |
| Hank Nikkels Plant 1 | Chugach Electric Assn Inc | Anchorage, AK | 41.2 GWh | Feb 1962 | Dec 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% | |
| Hartwell Lake | USCE-Savannah District | Hartwell, GA | Southeastern Power Administration (SEPA) | 422.6 GWh | Mar 1962 | Dec 2024 | Water |
| Haynes | Los Angeles Department of Water & Power | Long Beach, CA | Los Angeles Department of Water and Power (LDWP) | 1.6 TWh | Aug 1962 | Sep 2025 | Natural Gas |
| Handley | Constellation Power, Inc | Fort Worth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 859.4 GWh | Jun 1963 | Sep 2025 | Natural Gas |
| Hugoton 2 | City of Hugoton - (KS) | Hugoton, KS | Southwest Power Pool (SWPP) | 13.7 MWh | Dec 1963 | Dec 2024 | Distillate Fuel Oil |
| Hibbing | Hibbing Public Utilities Comm | Hibbing, MN | Midcontinent Independent System Operator, Inc. (MISO) | 35.9 GWh | Mar 1965 | Dec 2024 | Natural Gas : 60.1% Wood/Wood Waste Solids : 38.2% Bituminous Coal : 1.7% |
| Hutchinson Energy Center | Evergy Kansas Central, Inc | Hutchinson, KS | Southwest Power Pool (SWPP) | 29.1 GWh | Apr 1965 | Dec 2024 | Natural Gas : 77.6% Distillate Fuel Oil : 22.4% |
| Hayden | Public Service Co of Colorado | Hayden, CO | Public Service Company of Colorado (PSCO) | 2.4 TWh | Jun 1965 | Sep 2025 | Bituminous Coal : 99.9% |
| H L Culbreath Bayside Power Station | Tampa Electric Co | Tampa, FL | Tampa Electric Company (TEC) | 4.8 TWh | Oct 1965 | Sep 2025 | Natural Gas |
| Hancock | DTE Electric Company | Commerce Twp, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Mar 1966 | Dec 2024 | Natural Gas |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 179.9 GWh | May 1966 | Dec 2024 | Water |
| Highland | City of Highland | Highland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 187.0 MWh | Feb 1967 | Dec 2024 | Distillate Fuel Oil |
| Harris Lake | New York State Elec & Gas Corp | Town of Newcomb, NY | New York Independent System Operator (NYIS) | 1.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Healy | Golden Valley Elec Assn Inc | Healy, AK | (NA) | 432.2 GWh | Aug 1967 | Sep 2025 | Lignite Coal : 98.9% Distillate Fuel Oil : 1.1% |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 1.9 TWh | Sep 1967 | Dec 2024 | Water |
| Holt Dam | Alabama Power Co | Tuscaloosa, AL | Southern Company Services, Inc. - Trans (SOCO) | 119.3 GWh | Jul 1968 | Dec 2024 | Water |
| Hawthorn | Evergy Metro | Kansas City, MO | Southwest Power Pool (SWPP) | 2.8 TWh | Apr 1969 | Sep 2025 | Subbituminous Coal : 78.3% Natural Gas : 21.7% |
| Houston Plant | Eco Services Corp. | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 52.7 GWh | Dec 1969 | Dec 2024 | Waste Heat |
| H B Robinson | Duke Energy Progress - (NC) | Hartsville, SC | Duke Energy Progress East (CPLE) | 6.1 TWh | Feb 1971 | Sep 2025 | Nuclear |
| Hunterstown | Hunterstown Power, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 12.4 GWh | Apr 1971 | Dec 2024 | Natural Gas : 99.6% |
| Hillburn | Alliance NYGT, LLC | Hillburn, NY | New York Independent System Operator (NYIS) | 527.0 MWh | Jun 1972 | Dec 2024 | Natural Gas |
| Hallam | Nebraska Public Power District | Hallam, NE | Southwest Power Pool (SWPP) | 3.4 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil : 71.2% Natural Gas : 28.8% |
| Hebron | Nebraska Public Power District | Hebron, NE | Southwest Power Pool (SWPP) | 5.2 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Hilton Head | South Carolina Public Service Authority | Hilton Head Island, SC | South Carolina Public Service Authority (SC) | 700.0 MWh | Jul 1973 | Dec 2024 | Distillate Fuel Oil |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Aug 1973 | Dec 2024 | Distillate Fuel Oil |
| Holtsville | National Grid Generation LLC | Holtsville, NY | New York Independent System Operator (NYIS) | 21.3 GWh | Jun 1974 | Dec 2024 | Kerosene |
| Huntington | PacifiCorp | Huntington, UT | PacifiCorp East (PACE) | 4.2 TWh | Jun 1974 | Sep 2025 | Bituminous Coal : 99.9% |
| Harrington | Southwestern Public Service Co | Amarillo, TX | Southwest Power Pool (SWPP) | 2.3 TWh | Dec 1975 | Sep 2025 | Natural Gas : 88.2% Subbituminous Coal : 11.8% |
| H L Spurlock | East Kentucky Power Coop, Inc | Maysville, KY | PJM Interconnection, LLC (PJM) | 8.3 TWh | Aug 1977 | Sep 2025 | Bituminous Coal : 99.5% |
| Hunter | PacifiCorp | Castle Dale, UT | PacifiCorp East (PACE) | 6.6 TWh | May 1978 | Sep 2025 | Bituminous Coal : 99.8% |
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 |