Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 9.0 GWh | Feb 2013 | Dec 2025 | Water |
| Alta Wind X | Alta Wind X, LLC | Mojave, CA | California Independent System Operator (CISO) | 361.1 GWh | Dec 2013 | Dec 2025 | Wind |
| Alta Wind XI | Alta Wind XI, LLC | Mojave, CA | California Independent System Operator (CISO) | 250.6 GWh | Dec 2013 | Dec 2025 | Wind |
| Ameresco Johnson Canyon | Ameresco Johnson Canyon LLC | Gonzales, CA | California Independent System Operator (CISO) | 10.0 GWh | Apr 2013 | Dec 2025 | Landfill Gas |
| Heber Solar | Axium US Solar Holdings LLC | Heber, CA | Imperial Irrigation District (IID) | 24.1 GWh | Apr 2014 | Dec 2025 | Solar |
| Synergy Biogas | CH4 Biogas LLC | Wyoming, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Nov 2011 | Dec 2025 | Other Biomass Gas |
| Solar Star New Jersey NJ LLC | Solar Star New Jersey VI LLC | Skillman, NJ | PJM Interconnection, LLC (PJM) | 1.8 GWh | Jan 2012 | Dec 2025 | Solar |
| Bellingham PV | Terraform Arcadia | Douglas, MA | ISO New England (ISNE) | 4.2 GWh | Sep 2013 | Dec 2025 | Solar |
| Luther College Wind Project | Luther College Wind Energy Project LLC | Decorah, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Sep 2011 | Dec 2025 | Wind |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2025 | Solar |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2025 | Solar |
| Lemolo 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 120.1 GWh | Jun 1955 | Dec 2025 | Water |
| Prospect 2 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 180.1 GWh | Dec 1927 | Dec 2025 | Water |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 57.0 GWh | Jun 1951 | Dec 2025 | Water |
| Soda Springs | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 51.9 GWh | Feb 1952 | Dec 2025 | Water |
| Toketee Falls | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 208.4 GWh | Nov 1949 | Dec 2025 | Water |
| Wallowa Falls | PacifiCorp | Joseph, OR | PacifiCorp West (PACW) | 2.9 GWh | Jun 1921 | Dec 2025 | Water |
| Faraday | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 133.1 GWh | Jan 1907 | Dec 2025 | Water |
| North Fork | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 164.0 GWh | Oct 1958 | Dec 2025 | Water |
| Pelton | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 399.6 GWh | Nov 1957 | Dec 2025 | Water |
| River Mill | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 77.3 GWh | Oct 1911 | Dec 2025 | Water |
| Round Butte | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 772.4 GWh | Jul 1964 | Dec 2025 | Water |
| Sullivan | Portland General Electric Co | West Linn, OR | Portland General Electric Company (PGE) | 84.6 GWh | Apr 1924 | Dec 2025 | Water |
| Carmen Smith | Eugene Water & Electric Board | McKenzie Bridge, OR | Bonneville Power Administration (BPAT) | 167.9 GWh | Dec 1962 | Dec 2025 | Water |
| Big Cliff | USACE Northwestern Division | Gates, OR | Bonneville Power Administration (BPAT) | 61.1 GWh | Nov 1954 | Dec 2025 | Water |
| Cougar | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 72.3 GWh | Feb 1964 | Dec 2025 | Water |
| Detroit | USACE Northwestern Division | Mill City, OR | Bonneville Power Administration (BPAT) | 226.9 GWh | Jun 1953 | Dec 2025 | Water |
| Dexter | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 43.2 GWh | May 1955 | Dec 2025 | Water |
| Green Peter | USACE Northwestern Division | Foster, OR | Bonneville Power Administration (BPAT) | 115.6 GWh | Jun 1967 | Dec 2025 | Water |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 115.9 GWh | Jan 1962 | Dec 2025 | Water |
| Lookout Point | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 227.0 GWh | Dec 1954 | Dec 2025 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 4.0 TWh | Nov 1953 | Dec 2025 | Water |
| Brunot Island | Brunot Island Power, LLC | Pittsburg, PA | PJM Interconnection, LLC (PJM) | 44.7 GWh | Feb 1972 | Dec 2025 | Natural Gas : 99.6% |
| Hamilton (PA) | Hamilton Power, LLC | Abbottstown, PA | PJM Interconnection, LLC (PJM) | 827.0 MWh | May 1971 | Dec 2025 | Distillate Fuel Oil |
| Hunterstown | Hunterstown Power, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 24.5 GWh | Apr 1971 | Dec 2025 | Natural Gas |
| Mountain | Mountain Power, LLC | Mount Holly Springs, PA | PJM Interconnection, LLC (PJM) | 16.3 GWh | May 1972 | Dec 2025 | Distillate Fuel Oil |
| Orrtanna | Orrtanna Power, LLC | Orrtanna, PA | PJM Interconnection, LLC (PJM) | 417.0 MWh | Apr 1971 | Dec 2025 | Distillate Fuel Oil |
| Portland (PA) | Portland Power, LLC | Mt. Bethel, PA | PJM Interconnection, LLC (PJM) | 9.8 GWh | Sep 1958 | Dec 2025 | Distillate Fuel Oil |
| Shawnee (PA) | Shawnee Power, LLC | East Stroudsburg, PA | PJM Interconnection, LLC (PJM) | 1.1 GWh | May 1972 | Dec 2025 | Distillate Fuel Oil |
| Tolna | Tolna Power, LLC | New Freedom, PA | PJM Interconnection, LLC (PJM) | 2.3 GWh | May 1972 | Dec 2025 | Distillate Fuel Oil |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 95.7 GWh | Nov 1905 | Dec 2025 | Water |
| Blossburg | Blossburg Power, LLC | Blossburg, PA | PJM Interconnection, LLC (PJM) | 3.0 GWh | Apr 1971 | Dec 2025 | Natural Gas |
| Piney | BP Piney & Deep Creek LLC | Clarion, PA | PJM Interconnection, LLC (PJM) | 62.2 GWh | May 1924 | Dec 2025 | Water |
| Warren | Warren Generation, LLC | Warren, PA | PJM Interconnection, LLC (PJM) | 11.4 GWh | Aug 1972 | Dec 2025 | Natural Gas : 99.9% |
| New Castle Plant | New Castle Power, LLC | West Pittsburg, PA | PJM Interconnection, LLC (PJM) | 695.4 GWh | Aug 1952 | Dec 2025 | Natural Gas |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 833.4 GWh | Sep 1910 | Dec 2025 | Water |
| Sunbury Generation LP | Sunbury Generation LP | Shamokin Dam, PA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Aug 1949 | Dec 2025 | Distillate Fuel Oil |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | PJM Interconnection, LLC (PJM) | 67.3 GWh | May 1926 | Dec 2025 | Water |
| Chester Generating Station | Constellation Power, Inc | Chester, PA | PJM Interconnection, LLC (PJM) | 944.0 MWh | Jan 1969 | Dec 2025 | Distillate Fuel Oil |
| Delaware Generating Station | Constellation Power, Inc | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 1.8 GWh | Mar 1969 | Dec 2025 | Distillate Fuel Oil |
| Falls | Constellation Power, Inc | Morrisville, PA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Apr 1970 | Dec 2025 | Distillate Fuel Oil |
| Moser Generating Station | Constellation Power, Inc | Pottstown, PA | PJM Interconnection, LLC (PJM) | 1.5 GWh | Apr 1970 | Dec 2025 | Distillate Fuel Oil |
| Richmond Generating Station | Constellation Power, Inc | Phila., PA | PJM Interconnection, LLC (PJM) | 5.8 GWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| Schuylkill Generating Station | Constellation Power, Inc | Phila., PA | PJM Interconnection, LLC (PJM) | 1.0 GWh | Apr 1969 | Dec 2025 | Distillate Fuel Oil |
| Southwark | Constellation Power, Inc | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 1.3 GWh | May 1967 | Dec 2025 | Distillate Fuel Oil |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 860.6 GWh | Nov 1931 | Dec 2025 | Water |
| Hunlock Power Station | Hunlock Energy, LLC | Hunlock Creek, PA | PJM Interconnection, LLC (PJM) | 232.5 GWh | Aug 1959 | Dec 2025 | Natural Gas |
| Darlington County | Duke Energy Progress - (NC) | Hartsville, SC | Duke Energy Progress East (CPLE) | 56.2 GWh | Jul 1974 | Dec 2025 | Natural Gas : 66.0% Distillate Fuel Oil : 34.0% |
| Boyds Mill Hydro | Northbrook Carolina Hydro LLC | Ware Shoals, SC | Duke Energy Carolinas (DUK) | 3.4 GWh | Nov 1996 | Dec 2025 | Water |
| Cedar Creek (SC) | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 101.6 GWh | Jul 1926 | Dec 2025 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 70.2 GWh | Feb 1923 | Dec 2025 | Water |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 76.8 GWh | Oct 1916 | Dec 2025 | Water |
| Gaston Shoals | Northbrook Carolina Hydro II, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 5.0 GWh | Apr 1908 | Dec 2025 | Water |
| Hollidays Bridge Hydro | Northbrook Carolina Hydro LLC | Honea Path, SC | Duke Energy Carolinas (DUK) | 8.5 GWh | Nov 1996 | Dec 2025 | Water |
| Saluda Dam | Northbrook Carolina Hydro LLC | Greenville, SC | Duke Energy Carolinas (DUK) | 5.2 GWh | Nov 1996 | Dec 2025 | Water |
| Wateree Hydro | Duke Energy Carolinas, LLC | Ridgeway, SC | Duke Energy Carolinas (DUK) | 137.3 GWh | Sep 1919 | Dec 2025 | Water |
| Wylie | Duke Energy Carolinas, LLC | Fort Mill, SC | Duke Energy Carolinas (DUK) | 98.6 GWh | Jul 1925 | Dec 2025 | Water |
| 99 Islands | Duke Energy Carolinas, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 31.3 GWh | Apr 1910 | Dec 2025 | Water |
| Lockhart | Lockhart Power Co | Lockhart, SC | Duke Energy Carolinas (DUK) | 49.3 GWh | Dec 1920 | Dec 2025 | Water |
| Coit GT | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 2.0 GWh | Apr 1964 | Dec 2025 | Distillate Fuel Oil : 59.5% Natural Gas : 40.5% |
| Hagood | Dominion Energy South Carolina, Inc | Charleston Heights, SC | Dominion Energy South Carolina, Inc. (SCEG) | 33.0 GWh | May 1991 | Dec 2025 | Natural Gas : 85.0% Distillate Fuel Oil : 15.0% |
| Neal Shoals | Dominion Energy South Carolina, Inc | Union, SC | Dominion Energy South Carolina, Inc. (SCEG) | 13.4 GWh | May 1905 | Dec 2025 | Water |
| Parr Hydro | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 53.3 GWh | Jul 1914 | Dec 2025 | Water |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 91.5 GWh | Jul 1930 | Dec 2025 | Water |
| Rocky River (SC) | City of Abbeville - (SC) | Iva, SC | Duke Energy Carolinas (DUK) | 2.4 GWh | Dec 1940 | Dec 2025 | Water |
| 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 |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 233.5 GWh | Nov 1942 | Dec 2025 | Water |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 4.8 GWh | Jul 1950 | Dec 2025 | Water |
| J Strom Thurmond | USCE-Savannah District | Clarks Hill, SC | Southeastern Power Administration (SEPA) | 566.0 GWh | Dec 1952 | Dec 2025 | Water |
| Aberdeen CT | NorthWestern Energy - (SD) | Aberdeen, SD | Southwest Power Pool (SWPP) | 56.2 GWh | Apr 1978 | Dec 2025 | Natural Gas |
| Lake Preston | Otter Tail Power Co | Lake Preston, SD | Midcontinent Independent System Operator, Inc. (MISO) | 135.0 MWh | May 1978 | Dec 2025 | Distillate Fuel Oil |
| Oahe | USACE-Omaha | Pierre, SD | Southwest Power Pool (SWPP) | 2.0 TWh | Mar 1962 | Dec 2025 | Water |
| Fort Randall | USACE-Omaha | Pickstown, SD | Southwest Power Pool (SWPP) | 1.4 TWh | Feb 1954 | Dec 2025 | Water |
| Big Bend Dam | USACE-Omaha | Chamberlain, SD | Southwest Power Pool (SWPP) | 745.8 GWh | Aug 1964 | Dec 2025 | Water |
| Apalachia | Tennessee Valley Authority | Reliance, TN | Tennessee Valley Authority (TVA) | 389.1 GWh | Aug 1943 | Dec 2025 | Water |
| Boone Dam | Tennessee Valley Authority | Kingsport, TN | Tennessee Valley Authority (TVA) | 145.5 GWh | Feb 1953 | Dec 2025 | Water |
| Cherokee Dam | Tennessee Valley Authority | Rudledge, TN | Tennessee Valley Authority (TVA) | 315.3 GWh | Mar 1942 | Dec 2025 | Water |
| Chickamauga | Tennessee Valley Authority | Chattanooga, TN | Tennessee Valley Authority (TVA) | 693.8 GWh | Feb 1940 | Dec 2025 | Water |
| Douglas Dam | Tennessee Valley Authority | Dandridge, TN | Tennessee Valley Authority (TVA) | 341.3 GWh | Feb 1943 | Dec 2025 | Water |
| Fort Patrick Henry | Tennessee Valley Authority | Kingsport, TN | Tennessee Valley Authority (TVA) | 94.8 GWh | Nov 1953 | Dec 2025 | Water |
| Fort Loudoun | Tennessee Valley Authority | Lenoir City, TN | Tennessee Valley Authority (TVA) | 633.1 GWh | Oct 1943 | Dec 2025 | Water |
| Great Falls (TN) | Tennessee Valley Authority | Rock Island, TN | Tennessee Valley Authority (TVA) | 131.1 GWh | Nov 1916 | Dec 2025 | Water |
| Melton Hill | Tennessee Valley Authority | Lenoir City, TN | Tennessee Valley Authority (TVA) | 145.1 GWh | Jun 1964 | Dec 2025 | Water |
| Nickajack | Tennessee Valley Authority | New Hope, TN | Tennessee Valley Authority (TVA) | 577.6 GWh | Jan 1968 | Dec 2025 | Water |
| Norris Dam | Tennessee Valley Authority | Norris, TN | Tennessee Valley Authority (TVA) | 416.3 GWh | Jun 1936 | Dec 2025 | Water |
| Ocoee 1 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 65.6 GWh | Dec 1911 | Dec 2025 | Water |
| Ocoee 2 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 98.1 GWh | Sep 1913 | Dec 2025 | Water |
| Ocoee 3 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 141.3 GWh | Mar 1943 | Dec 2025 | Water |
| Pickwick Landing Dam | Tennessee Valley Authority | Pickwick Dam, TN | Tennessee Valley Authority (TVA) | 1.3 TWh | May 1938 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on June 2026 generation numbers.| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 77 | 12,594.28 GWh |
| Alaska | # 48 | 140 | 563.53 GWh |
| Arizona | # 11 | 199 | 11,138.97 GWh |
| Arkansas | # 21 | 117 | 6,425.86 GWh |
| California | # 4 | 1,744 | 17,197.11 GWh |
| Colorado | # 29 | 309 | 4,933.21 GWh |
| Connecticut | # 34 | 173 | 3,737.86 GWh |
| Delaware | # 49 | 35 | 376.53 GWh |
| District of Columbia | # 51 | 17 | 18.29 GWh |
| Florida | # 2 | 342 | 26,309.59 GWh |
| Georgia | # 7 | 250 | 13,880.75 GWh |
| Hawaii | # 47 | 70 | 767.91 GWh |
| Idaho | # 41 | 152 | 2,099.32 GWh |
| Illinois | # 5 | 494 | 16,673.62 GWh |
| Indiana | # 18 | 222 | 8,401.10 GWh |
| Iowa | # 23 | 297 | 6,139.01 GWh |
| Kansas | # 25 | 188 | 5,758.25 GWh |
| Kentucky | # 22 | 61 | 6,181.49 GWh |
| Louisiana | # 15 | 90 | 9,779.36 GWh |
| Maine | # 45 | 242 | 1,215.46 GWh |
| Maryland | # 36 | 228 | 3,591.08 GWh |
| Massachusetts | # 44 | 666 | 1,410.23 GWh |
| Michigan | # 14 | 276 | 9,804.74 GWh |
| Minnesota | # 30 | 790 | 4,889.70 GWh |
| Mississippi | # 20 | 60 | 6,899.16 GWh |
| Missouri | # 24 | 129 | 6,066.44 GWh |
| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,225.73 GWh |
| Nebraska | # 39 | 126 | 3,184.64 GWh |
| Nevada | # 31 | 117 | 4,654.59 GWh |
| New Hampshire | # 43 | 57 | 1,659.52 GWh |
| New Jersey | # 28 | 398 | 5,055.63 GWh |
| New Mexico | # 33 | 159 | 4,408.01 GWh |
| New York | # 10 | 1,064 | 11,564.60 GWh |
| North Carolina | # 8 | 913 | 12,773.20 GWh |
| North Dakota | # 35 | 59 | 3,713.80 GWh |
| Ohio | # 6 | 213 | 13,969.06 GWh |
| Oklahoma | # 17 | 144 | 9,156.03 GWh |
| Oregon | # 27 | 281 | 5,322.08 GWh |
| Pennsylvania | # 3 | 259 | 21,018.65 GWh |
| Rhode Island | # 46 | 107 | 854.92 GWh |
| South Carolina | # 16 | 209 | 9,442.42 GWh |
| South Dakota | # 42 | 53 | 1,803.66 GWh |
| Tennessee | # 19 | 99 | 7,036.17 GWh |
| Texas | # 1 | 1,028 | 57,844.67 GWh |
| Utah | # 38 | 129 | 3,196.09 GWh |
| Vermont | # 50 | 118 | 180.62 GWh |
| Virginia | # 12 | 250 | 10,352.13 GWh |
| Washington | # 13 | 135 | 10,051.77 GWh |
| West Virginia | # 32 | 41 | 4,489.44 GWh |
| Wisconsin | # 26 | 266 | 5,542.48 GWh |
| Wyoming | # 37 | 69 | 3,318.53 GWh |