Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Osage Dam | Union Electric Co - (MO) | Eldon, MO | Midcontinent Independent System Operator, Inc. (MISO) | 497.1 GWh | Sep 1931 | Dec 2024 | Water |
| Allens Falls | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 29.5 GWh | Dec 1926 | Dec 2024 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 3.7 TWh | Nov 1953 | Dec 2024 | Water |
| Lookout Point | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 175.1 GWh | Dec 1954 | Dec 2024 | Water |
| John Day | USACE Northwestern Division | Rufus, OR | Bonneville Power Administration (BPAT) | 8.5 TWh | Jul 1968 | Mar 2026 | Water |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 119.8 GWh | Jan 1962 | Dec 2024 | Water |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | PJM Interconnection, LLC (PJM) | 86.7 GWh | May 1926 | Dec 2024 | Water |
| Dexter | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 14.6 GWh | May 1955 | Dec 2024 | Water |
| Detroit | USACE Northwestern Division | Mill City, OR | Bonneville Power Administration (BPAT) | 219.7 GWh | Jun 1953 | Dec 2024 | Water |
| Cougar | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 66.9 GWh | Feb 1964 | Dec 2024 | Water |
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | Bonneville Power Administration (BPAT) | 4.1 TWh | Jun 1938 | Mar 2026 | Water |
| Big Cliff | USACE Northwestern Division | Gates, OR | Bonneville Power Administration (BPAT) | 90.8 GWh | Nov 1954 | Dec 2024 | Water |
| Carmen Smith | Eugene Water & Electric Board | McKenzie Bridge, OR | Bonneville Power Administration (BPAT) | 223.3 GWh | Dec 1962 | Dec 2024 | Water |
| Sullivan | Portland General Electric Co | West Linn, OR | Portland General Electric Company (PGE) | 104.1 GWh | Apr 1924 | Dec 2024 | Water |
| Round Butte | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 794.4 GWh | Jul 1964 | Dec 2024 | Water |
| River Mill | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 99.1 GWh | Oct 1911 | Dec 2024 | Water |
| Pelton | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 361.8 GWh | Nov 1957 | Dec 2024 | Water |
| North Fork | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 186.7 GWh | Oct 1958 | Dec 2024 | Water |
| Faraday | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 119.9 GWh | Jan 1907 | Dec 2024 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 1.0 TWh | Nov 1931 | Dec 2024 | Water |
| Apalachia | Tennessee Valley Authority | Reliance, TN | Tennessee Valley Authority (TVA) | 402.1 GWh | Aug 1943 | Dec 2024 | Water |
| Big Bend Dam | USACE-Omaha | Chamberlain, SD | Southwest Power Pool (SWPP) | 813.0 GWh | Aug 1964 | Dec 2024 | Water |
| Fort Randall | USACE-Omaha | Pickstown, SD | Southwest Power Pool (SWPP) | 1.6 TWh | Feb 1954 | Dec 2024 | Water |
| Oahe | USACE-Omaha | Pierre, SD | Southwest Power Pool (SWPP) | 2.2 TWh | Mar 1962 | Dec 2024 | Water |
| J Strom Thurmond | USCE-Savannah District | Clarks Hill, SC | Southeastern Power Administration (SEPA) | 650.7 GWh | Dec 1952 | Dec 2024 | Water |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 248.0 GWh | Nov 1942 | Dec 2024 | Water |
| Rocky River (SC) | City of Abbeville - (SC) | Iva, SC | Duke Energy Carolinas (DUK) | 6.1 GWh | Dec 1940 | Dec 2024 | Water |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 143.3 GWh | Jul 1930 | Dec 2024 | Water |
| Parr Hydro | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 51.1 GWh | Jul 1914 | Dec 2024 | Water |
| Neal Shoals | Dominion Energy South Carolina, Inc | Union, SC | Dominion Energy South Carolina, Inc. (SCEG) | 11.7 GWh | May 1905 | Dec 2024 | Water |
| Lockhart | Lockhart Power Co | Lockhart, SC | Duke Energy Carolinas (DUK) | 70.0 GWh | Dec 1920 | Dec 2024 | Water |
| 99 Islands | Duke Energy Carolinas, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 36.5 GWh | Apr 1910 | Dec 2024 | Water |
| Wateree Hydro | Duke Energy Carolinas, LLC | Ridgeway, SC | Duke Energy Carolinas (DUK) | 255.3 GWh | Sep 1919 | Dec 2024 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 228.0 GWh | Jun 1958 | Dec 2024 | Water |
| Boyds Mill Hydro | Northbrook Carolina Hydro LLC | Ware Shoals, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Nov 1996 | Dec 2024 | Water |
| Cedar Creek (SC) | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 164.6 GWh | Jul 1926 | Dec 2024 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 91.5 GWh | Feb 1923 | Dec 2024 | Water |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 139.5 GWh | Oct 1916 | Dec 2024 | Water |
| Hollidays Bridge Hydro | Northbrook Carolina Hydro LLC | Honea Path, SC | Duke Energy Carolinas (DUK) | 9.7 GWh | Nov 1996 | Dec 2024 | Water |
| Saluda Dam | Northbrook Carolina Hydro LLC | Greenville, SC | Duke Energy Carolinas (DUK) | 7.1 GWh | Nov 1996 | Dec 2024 | Water |
| Wylie | Duke Energy Carolinas, LLC | Fort Mill, SC | Duke Energy Carolinas (DUK) | 157.1 GWh | Jul 1925 | Dec 2024 | Water |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 21.3 GWh | Oct 2013 | Dec 2024 | Water |
| Dorena Hydro-Electric Facility | Dorena Hydro, LLC | Cottage Grove, OR | PacifiCorp West (PACW) | 14.2 GWh | May 2014 | Dec 2024 | Water |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 10.5 GWh | Aug 2013 | Dec 2024 | Water |
| Baker Creek Hydroelectric | Baker Station Associates, LP | Bridgeville, CA | California Independent System Operator (CISO) | 3.6 GWh | Oct 2014 | Dec 2024 | Water |
| Granby Hydro | Northern Water Hydropower Enterprise | Granby, CO | Public Service Company of Colorado (PSCO) | 5.2 GWh | Apr 2016 | Mar 2026 | Water |
| Twin Falls (WI) | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.7 GWh | Jun 2016 | Dec 2024 | Water |
| Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 23.0 GWh | Jan 2018 | Dec 2024 | Water |
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 17.2 GWh | Jan 2018 | Dec 2024 | Water |
| Tyee Lake Hydroelectric Facility | Southeast Alaska Power Agency | Wrangell, AK | (NA) | 126.0 GWh | Jun 1983 | Dec 2024 | Water |
| Shavano Falls Hydro | Shavano Falls Hydro LLC | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 12.0 GWh | May 2015 | Oct 2024 | Water |
| Timothy Lake Powerhouse | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 2.1 GWh | Nov 2018 | Dec 2024 | Water |
| Shavano Falls Hydro Drop 4 | Shavano Falls Hydro LLC - Drop 4 Project | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 23.0 GWh | May 2015 | Oct 2024 | Water |
| Drop 5 (CO) | Drop 5 Hydro LLC | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.3 GWh | Feb 2017 | Oct 2024 | Water |
| Matilda Hamilton Fee Hydroelectric Stati | Lock 12 Hydro Partners, LLC | Ravenna, KY | PJM Interconnection, LLC (PJM) | 8.0 GWh | Aug 2021 | Dec 2024 | Water |
| Notre Dame Hydro | University of Notre Dame | South Bend, IN | PJM Interconnection, LLC (PJM) | 6.8 GWh | Apr 2022 | Dec 2024 | Water |
| Mechanicville Hydroelectric Station | Mechanicville Hydroelectric Station | Mechanicville, NY | New York Independent System Operator (NYIS) | 21.8 GWh | Apr 2011 | Dec 2024 | Water |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 7.3 GWh | Mar 2021 | Oct 2024 | Water |
| St. Cloud Hydro | St. Cloud Hydroelectric Generation Facility | St Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 50.6 GWh | May 1988 | Dec 2024 | Water |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.8 GWh | Sep 2015 | Dec 2024 | Water |
| 45 Mile Hydroelectric Project | EBD Hydro LLC | Culver, OR | PacifiCorp West (PACW) | 4.9 GWh | Apr 2015 | Oct 2024 | Water |
| Mahoning Creek Hydroelectric Project | Eagle Creek Renewable Energy, LLC | New Bethlehem, PA | PJM Interconnection, LLC (PJM) | 12.0 GWh | Nov 2013 | Dec 2024 | Water |
| Upper Newton Falls | Erie Boulevard Hydropower LP | Newton Falls, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Dec 1926 | Dec 2024 | Water |
| Oswegatchie | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 8.5 GWh | Jul 2002 | Dec 2024 | Water |
| Fargo Drop | Riverside Investments LLC | Wilder, ID | Idaho Power Company (IPCO) | 3.8 GWh | Mar 2013 | Oct 2024 | Water |
| RC Thomas Hydroelectric Project | East Texas Electric Coop, Inc | Livingston, TX | Midcontinent Independent System Operator, Inc. (MISO) | 114.3 GWh | Jun 2020 | Mar 2026 | Water |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 20.1 GWh | Oct 1906 | Dec 2024 | Water |
| Tri-County Water Hydropower Project | Tri-County Water Conservancy District | Ridgway, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 16.5 GWh | Mar 2014 | Mar 2026 | Water |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.9 GWh | Sep 1912 | Dec 2024 | Water |
| Red Rock Hydro Plant | Western Minnesota Mun Pwr Agny | Pella, IA | Midcontinent Independent System Operator, Inc. (MISO) | 207.1 GWh | Apr 2021 | Mar 2026 | Water |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 2024 | Water |
| Allison Creek Hydro | Copper Valley Elec Assn, Inc | Valdez, AK | 18.5 GWh | Sep 2016 | Dec 2024 | Water | |
| South Canal Hydro-1 | Delta-Montrose Electric Association | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.9 GWh | May 2013 | Oct 2024 | Water |
| South Canal Hydro-3 | Delta-Montrose Electric Association | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 14.2 GWh | Jul 2013 | Oct 2024 | Water |
| Whitman | Ketchikan Public Utilities | Ketchikan, AK | 8.6 GWh | Dec 2014 | Dec 2024 | Water | |
| Ball Mountain Hydro | Eagle Creek Renewable Energy, LLC | Jamaica, VT | ISO New England (ISNE) | 61.0 MWh | Mar 2016 | Dec 2024 | Water |
| Hiilangaay Hydro | Haida Energy, Inc. | Hydaburg, AK | 4.4 GWh | Dec 2020 | Dec 2024 | Water | |
| Carter Hydro | Northern Colorado Water Conservancy District | Berthoud, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.7 GWh | May 2012 | Mar 2026 | Water |
| Stuyvesant Falls | Albany Engineering Corporation | Stuyvesant, NY | New York Independent System Operator (NYIS) | 11.9 GWh | Nov 2012 | Dec 2024 | Water |
| Head of U Canal Hydro Project | North Side Energy Company | Jerome, ID | Idaho Power Company (IPCO) | 4.5 GWh | May 2015 | Oct 2024 | Water |
| Seneca Falls Hydroelectric Project | C-S Canal Hydro, LLC | Seneca Falls, NY | New York Independent System Operator (NYIS) | 9.8 GWh | Dec 1916 | Dec 2024 | Water |
| Waterloo Hydroelectric Project | C-S Canal Hydro, LLC | Waterloo, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Dec 1914 | Dec 2024 | Water |
| Green Island Hydroelectric Station | Albany Engineering Corporation | Green Island, NY | New York Independent System Operator (NYIS) | 37.4 GWh | Oct 1922 | Dec 2024 | Water |
| North Gooding Main Hydro | North Gooding Main Hydro LLC | Gooding, ID | Idaho Power Company (IPCO) | 4.6 GWh | Sep 2016 | Oct 2024 | Water |
| Jordanelle Dam Hydroelectric Project | Central Utah Water Conservancy District | Heber, UT | PacifiCorp East (PACE) | 51.0 GWh | Jun 2008 | Dec 2024 | Water |
| Texon Hydroelectric Project | Hitchcock Hydro, LLC | Russell, MA | ISO New England (ISNE) | 4.3 GWh | Dec 1981 | Dec 2024 | Water |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.3 GWh | Nov 1909 | Dec 2024 | Water |
| Vinelands Power Plant | Grand Valley Power LLC | Palisade, CO | Public Service Company of Colorado (PSCO) | 15.6 GWh | Oct 2022 | Dec 2024 | Water |
| Spalding | Village of Spalding - (NE) | Spalding, NE | Southwest Power Pool (SWPP) | 4.0 MWh | Jun 1919 | Dec 2024 | Water : 50.0% Distillate Fuel Oil : 50.0% |
| Skagway | Alaska Power and Telephone Co | Skagway, AK | 4.3 GWh | Jun 1909 | Dec 2024 | Water : 56.0% Distillate Fuel Oil : 44.0% | |
| St Louis | City of St Louis - (MI) | St. Louis, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.0 MWh | Dec 1918 | Dec 2024 | Water : 75.9% Distillate Fuel Oil : 24.1% |
| Lanesboro | Lanesboro Public Utility Comm | Lanesboro, MN | Midcontinent Independent System Operator, Inc. (MISO) | 184.0 MWh | Dec 1922 | Dec 2024 | Water : 81.0% Distillate Fuel Oil : 19.0% |
| Redwood Falls | Redwood Falls Public Util Comm | Redwood Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Dec 1969 | Dec 2024 | Water : 82.6% Natural Gas : 12.7% Distillate Fuel Oil : 4.7% |
| Argyle | City of Argyle - (WI) | Argyle, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.0 MWh | Dec 1928 | Dec 2024 | Water : 87.5% Distillate Fuel Oil : 12.5% |
| Spartanburg Water System | Spartanburg Commissioners PW | Chesnee, SC | Duke Energy Carolinas (DUK) | 1.0 GWh | Dec 1925 | Mar 2026 | Water : 91.8% Distillate Fuel Oil : 8.2% |
| Pelican | Pelican Utility | Pelican, AK | 1.7 GWh | Apr 1984 | Dec 2024 | Water : 94.2% Distillate Fuel Oil : 5.8% | |
| Moline | MidAmerican Energy Co | Moline, IL | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Dec 1941 | Dec 2024 | Water : 94.4% Natural Gas : 5.6% |
| Petersburg | Petersburg Borough - (AK) | Petersburg, AK | 13.0 GWh | Feb 1954 | Dec 2024 | Water : 96.5% Distillate Fuel Oil : 3.5% | |
| City of Peru Plank Road Generating Station | City of Peru - (IL) | Peru, IL | Midcontinent Independent System Operator, Inc. (MISO) | 19.8 GWh | Sep 1968 | Mar 2026 | Water : 97.9% Distillate Fuel Oil : 1.8% |
| Essex Junction 19 | Green Mountain Power Corp | Essex Junction, VT | ISO New England (ISNE) | 33.7 GWh | Dec 1916 | Mar 2026 | Water : 98.9% Distillate Fuel Oil : 1.1% |
Summary of Power Plants By State
Figures are based on March 2026 generation numbers.| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 76 | 10,194.39 GWh |
| Alaska | # 48 | 139 | 566.31 GWh |
| Arizona | # 15 | 183 | 8,256.99 GWh |
| Arkansas | # 25 | 114 | 4,973.03 GWh |
| California | # 5 | 1,656 | 15,197.83 GWh |
| Colorado | # 30 | 294 | 4,491.41 GWh |
| Connecticut | # 31 | 161 | 3,992.67 GWh |
| Delaware | # 49 | 33 | 248.78 GWh |
| District of Columbia | # 51 | 16 | 18.32 GWh |
| Florida | # 3 | 334 | 19,802.71 GWh |
| Georgia | # 8 | 247 | 10,697.11 GWh |
| Hawaii | # 46 | 69 | 784.18 GWh |
| Idaho | # 42 | 144 | 1,957.44 GWh |
| Illinois | # 4 | 379 | 15,489.73 GWh |
| Indiana | # 12 | 216 | 9,257.49 GWh |
| Iowa | # 21 | 289 | 6,478.67 GWh |
| Kansas | # 23 | 183 | 5,489.55 GWh |
| Kentucky | # 29 | 59 | 4,637.74 GWh |
| Louisiana | # 17 | 86 | 8,003.69 GWh |
| Maine | # 45 | 212 | 1,313.24 GWh |
| Maryland | # 39 | 202 | 2,834.84 GWh |
| Massachusetts | # 44 | 639 | 1,383.17 GWh |
| Michigan | # 13 | 268 | 8,564.76 GWh |
| Minnesota | # 26 | 760 | 4,875.53 GWh |
| Mississippi | # 24 | 55 | 5,467.46 GWh |
| Missouri | # 22 | 125 | 5,500.53 GWh |
| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,464.49 GWh |
| Nebraska | # 37 | 121 | 3,330.39 GWh |
| Nevada | # 35 | 114 | 3,487.65 GWh |
| New Hampshire | # 43 | 54 | 1,520.13 GWh |
| New Jersey | # 28 | 379 | 4,705.05 GWh |
| New Mexico | # 33 | 142 | 3,587.89 GWh |
| New York | # 9 | 935 | 10,247.40 GWh |
| North Carolina | # 11 | 896 | 9,821.46 GWh |
| North Dakota | # 32 | 59 | 3,854.12 GWh |
| Ohio | # 6 | 200 | 12,175.28 GWh |
| Oklahoma | # 19 | 142 | 7,305.54 GWh |
| Oregon | # 20 | 266 | 6,583.30 GWh |
| Pennsylvania | # 2 | 249 | 20,000.86 GWh |
| Rhode Island | # 47 | 100 | 610.71 GWh |
| South Carolina | # 14 | 204 | 8,273.25 GWh |
| South Dakota | # 41 | 52 | 2,184.62 GWh |
| Tennessee | # 18 | 88 | 7,335.80 GWh |
| Texas | # 1 | 961 | 46,858.09 GWh |
| Utah | # 38 | 125 | 3,184.50 GWh |
| Vermont | # 50 | 117 | 217.82 GWh |
| Virginia | # 16 | 233 | 8,059.42 GWh |
| Washington | # 7 | 131 | 10,773.76 GWh |
| West Virginia | # 34 | 40 | 3,543.98 GWh |
| Wisconsin | # 27 | 239 | 4,794.79 GWh |
| Wyoming | # 36 | 70 | 3,358.51 GWh |