Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Flambeau Lower Project | Renewable World Energies LLC | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Dec 1922 | Dec 2024 | Water |
| Boulder City Lakewood Hydro | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 8.6 GWh | Jan 2004 | Dec 2024 | Water |
| Boulder City Betasso Hydro Plant | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 8.6 GWh | Nov 1987 | Dec 2024 | Water |
| Thundermist Hydro | City of Woonsocket | Providence, RI | ISO New England (ISNE) | 90.0 MWh | May 1981 | Dec 2024 | Water |
| Lower Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Nov 1979 | Dec 2024 | Water |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 10.1 GWh | Dec 1986 | Dec 2024 | Water |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 42.0 GWh | Mar 1995 | Dec 2024 | Water |
| Warm Springs Power Enterprises | Warm Springs Power Enterprises | Warm Springs, OR | PacifiCorp West (PACW) | 60.5 GWh | May 1982 | Dec 2024 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 23.3 GWh | Dec 1922 | Dec 2024 | Water |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 13.4 GWh | Aug 1982 | Sep 2024 | Water |
| Lyons Falls Hydroelectric | Northbrook Lyons Falls LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Nov 1923 | Dec 2024 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 103.3 GWh | Dec 1986 | Oct 2024 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 4.8 GWh | Feb 1985 | Oct 2024 | Water |
| Eltopia Branch Canal 4.6 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 8.0 GWh | Apr 1983 | Oct 2024 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 398.2 GWh | Dec 1984 | Oct 2024 | Water |
| Kosterville | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Apr 1955 | Dec 2024 | Water |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 36.1 GWh | May 2004 | Dec 2024 | Water |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 73.0 GWh | Mar 2010 | Dec 2024 | Water |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 5.8 GWh | Dec 2008 | Dec 2024 | Water |
| Meldahl Hydroelectric Project | City of Hamilton - (OH) | Foster, KY | PJM Interconnection, LLC (PJM) | 445.6 GWh | Dec 2015 | Dec 2024 | Water |
| Gauley River Power Partners | Central Rivers Power WV, LLC | Summersville, WV | PJM Interconnection, LLC (PJM) | 143.7 GWh | Jun 2001 | Dec 2024 | Water |
| White River Lock and Dam 2 | Ozark Hydro Management, LLC | Locust Grove, AR | Southwestern Power Administration (SPA) | 12.6 GWh | Feb 2007 | Sep 2025 | Water |
| Mora Drop Hydroelectric Project | Boise-Kuna Irrigation District | Kuna, ID | Idaho Power Company (IPCO) | 4.3 GWh | May 2006 | Oct 2024 | Water |
| Brookfield Power Glen Falls Hydro | Erie Boulevard Hydropower LP | Glen Falls, NY | New York Independent System Operator (NYIS) | 48.5 GWh | Dec 1943 | Dec 2024 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 8.0 GWh | Apr 2014 | Sep 2025 | Water |
| Gouldtown | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Jul 1953 | Dec 2024 | Water |
| White River Lock and Dam 3 | Ozark Hydro Management, LLC | Marcella, AR | Southwestern Power Administration (SPA) | 24.5 GWh | Jul 2006 | Sep 2025 | Water |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 4.8 GWh | Nov 2005 | Dec 2024 | Water | |
| White River Lock and Dam 1 | Ozark Hydro Management, LLC | Batesville, AR | Southwestern Power Administration (SPA) | 12.3 GWh | May 2007 | Sep 2025 | Water |
| Lake Dorothy Hydroelectric Project | Alaska Electric Light & Power Co. | Juneau, AK | 83.6 GWh | Aug 2009 | Dec 2024 | Water | |
| Kasidaya Creek Hydro | Alaska Power and Telephone Co | Skagway, AK | 10.7 GWh | Sep 2008 | Dec 2024 | Water | |
| Twin Cities Hydro LLC | Twin Cities Hydro LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 89.5 GWh | Sep 1924 | Dec 2024 | Water |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 98.0 MWh | Feb 1994 | Dec 2024 | Water |
| Dorena Hydro-Electric Facility | Dorena Hydro, LLC | Cottage Grove, OR | PacifiCorp West (PACW) | 14.2 GWh | May 2014 | Dec 2024 | Water |
| Granby Hydro | Northern Water Hydropower Enterprise | Granby, CO | Public Service Company of Colorado (PSCO) | 5.3 GWh | Apr 2016 | Sep 2025 | Water |
| Twin Falls (WI) | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.7 GWh | Jun 2016 | Dec 2024 | Water |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 21.3 GWh | Oct 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 |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 10.5 GWh | Aug 2013 | Dec 2024 | Water |
| Upper Pacolet Hydro | Lockhart Power Co | Pacolet, SC | Duke Energy Carolinas (DUK) | 4.0 GWh | Jan 2013 | Dec 2024 | Water |
| Red Rock Hydro Plant | Western Minnesota Mun Pwr Agny | Pella, IA | Midcontinent Independent System Operator, Inc. (MISO) | 164.5 GWh | Apr 2021 | Sep 2025 | Water |
| 45 Mile Hydroelectric Project | EBD Hydro LLC | Culver, OR | PacifiCorp West (PACW) | 4.9 GWh | Apr 2015 | 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 |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | 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 |
| RC Thomas Hydroelectric Project | East Texas Electric Coop, Inc | Livingston, TX | Midcontinent Independent System Operator, Inc. (MISO) | 123.8 GWh | Jun 2020 | Sep 2025 | Water |
| C-Drop Hydro | C-Drop | Klamath Falls, OR | PacifiCorp West (PACW) | 574.0 MWh | Apr 2012 | Aug 2024 | Water |
| Allison Creek Hydro | Copper Valley Elec Assn, Inc | Valdez, AK | 18.5 GWh | Sep 2016 | 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 |
| Mahoning Creek Hydroelectric Project | Eagle Creek Renewable Energy, LLC | New Bethlehem, PA | PJM Interconnection, LLC (PJM) | 12.0 GWh | Nov 2013 | Dec 2024 | Water |
| Oswegatchie | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 8.5 GWh | Jul 2002 | Dec 2024 | Water |
| Stuyvesant Falls | Albany Engineering Corporation | Stuyvesant, NY | New York Independent System Operator (NYIS) | 11.9 GWh | Nov 2012 | Dec 2024 | Water |
| Carter Hydro | Northern Colorado Water Conservancy District | Berthoud, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.9 GWh | May 2012 | Sep 2025 | 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) | 17.0 GWh | Mar 2014 | Sep 2025 | 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 |
| Whitman | Ketchikan Public Utilities | Ketchikan, AK | 8.6 GWh | Dec 2014 | Dec 2024 | Water | |
| Hiilangaay Hydro | Haida Energy, Inc. | Hydaburg, AK | 4.4 GWh | Dec 2020 | Dec 2024 | Water | |
| Fargo Drop | Riverside Investments LLC | Wilder, ID | Idaho Power Company (IPCO) | 3.8 GWh | Mar 2013 | Oct 2024 | Water |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.9 GWh | Sep 1912 | 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 |
| Matilda Hamilton Fee Hydroelectric Stati | Lock 12 Hydro Partners, LLC | Ravenna, KY | PJM Interconnection, LLC (PJM) | 8.0 GWh | Aug 2021 | 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 |
| Vinelands Power Plant | Grand Valley Power LLC | Palisade, CO | Public Service Company of Colorado (PSCO) | 15.6 GWh | Oct 2022 | Dec 2024 | Water |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.8 GWh | Sep 2015 | 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 |
| James W. Broderick Hydropower Plant | James W. Broderick Hydropower Plant | Pueblo, CO | PacifiCorp East (PACE) | 20.8 GWh | Apr 2019 | Dec 2023 | 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 |
| Kings River Syphon | Orange Cove Irrigation District | Sanger, CA | California Independent System Operator (CISO) | 325.0 MWh | Aug 1990 | May 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 |
| Timothy Lake Powerhouse | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 2.1 GWh | Nov 2018 | 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 |
| Tyee Lake Hydroelectric Facility | Southeast Alaska Power Agency | Wrangell, AK | (NA) | 126.0 GWh | Jun 1983 | 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 |
| Green Island Hydroelectric Station | Albany Engineering Corporation | Green Island, NY | New York Independent System Operator (NYIS) | 37.4 GWh | Oct 1922 | 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 |
| Jordanelle Dam Hydroelectric Project | Central Utah Water Conservancy District | Heber, UT | PacifiCorp East (PACE) | 51.0 GWh | Jun 2008 | 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 |
| Waterloo Hydroelectric Project | C-S Canal Hydro, LLC | Waterloo, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Dec 1914 | Dec 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 |
| Texon Hydroelectric Project | Hitchcock Hydro, LLC | Russell, MA | ISO New England (ISNE) | 4.3 GWh | Dec 1981 | Dec 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 |
| 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 |
| 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% |
| King Cove | City of King Cove | King Cove, AK | 4.5 GWh | Jan 1980 | Dec 2023 | Water : 79.9% Distillate Fuel Oil : 20.1% | |
| 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) | 2.1 GWh | Dec 1925 | Sep 2025 | 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) | 17.0 GWh | Sep 1968 | Sep 2025 | Water : 98.6% Distillate Fuel Oil : 1.1% |
| Newhalen | I-N-N Electric Coop, Inc | Iliamna, AK | 3.2 GWh | Aug 1998 | Dec 2024 | Water : 99.1% Distillate Fuel Oil : 0.9% | |
| Thief River Falls | City of Thief River Falls | Thief River Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Jul 1927 | Dec 2024 | Water : 99.6% |
| Essex Junction 19 | Green Mountain Power Corp | Essex Junction, VT | ISO New England (ISNE) | 31.8 GWh | Dec 1916 | Sep 2025 | Water : 99.6% |
| Blewett | Duke Energy Progress - (NC) | Lilesville, NC | Duke Energy Progress East (CPLE) | 120.6 GWh | May 1912 | Dec 2024 | Water : 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 |