Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Kaukauna City Hydro | City of Kaukauna (WI) | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 31.3 GWh | Nov 1940 | Dec 2025 | Water |
| Big Quinnesec 61 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Apr 1914 | Dec 2025 | Water |
| Big Quinnesec 92 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 100.0 GWh | Oct 1949 | Dec 2025 | Water |
| Cooper Lake | Chugach Electric Assn Inc | Cooper Landing, AK | 52.5 GWh | Apr 1961 | Dec 2025 | Water | |
| Hamilton Hydro | City of Hamilton - (OH) | HAMILTON, OH | PJM Interconnection, LLC (PJM) | 8.8 GWh | Apr 1994 | Dec 2025 | Water |
| Queens Creek | Duke Energy Carolinas, LLC | Topton, NC | Duke Energy Carolinas (DUK) | 2.7 GWh | Dec 1948 | Dec 2025 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 40.7 GWh | May 1983 | Dec 2025 | Water |
| Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 53.6 GWh | Oct 1921 | Dec 2025 | Water |
| Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 942.5 GWh | Aug 1924 | Aug 2026 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 518.2 GWh | Sep 1936 | Dec 2025 | Water |
| Belleville Dam | American Mun Power-Ohio, Inc | Belleville, WV | PJM Interconnection, LLC (PJM) | 256.9 GWh | May 1999 | Dec 2025 | Water |
| El Vado Dam | Los Alamos County - (NM) | Tierra Amarilla, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.4 GWh | Apr 1988 | Dec 2025 | Water |
| H M Jackson | PUD No 1 of Snohomish County - (WA) | Sultan, WA | Bonneville Power Administration (BPAT) | 333.6 GWh | May 1984 | Dec 2025 | Water |
| Boundary | City of Seattle - (WA) | Metaline, WA | Seattle City Light (SCL) | 4.1 TWh | Jul 1967 | Aug 2026 | Water |
| Talcville | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 616.0 MWh | Dec 1985 | Dec 2025 | Water |
| Alcova | U S Bureau of Reclamation | Alcova, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 107.2 GWh | Jun 1955 | Dec 2025 | Water |
| Wilson Dam | Tennessee Valley Authority | Muscle Shoals, AL | Tennessee Valley Authority (TVA) | 1.6 TWh | Aug 1925 | Aug 2026 | Water |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 27.8 GWh | Jul 1905 | Dec 2025 | Water |
| Causey | Weber Basin Water Conserv Dist | South Fork, UT | PacifiCorp East (PACE) | 3.9 GWh | Dec 1997 | Dec 2025 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 6.0 GWh | Jul 1913 | Dec 2025 | Water |
| Kaw Hydro | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 81.2 GWh | Jul 1989 | Nov 2025 | Water |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 16.1 GWh | Sep 1994 | Oct 2025 | Water |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 4.1 GWh | Jan 1922 | Dec 2025 | Water |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD - (OR) | Plymouth, WA | Bonneville Power Administration (BPAT) | 72.5 GWh | Oct 1997 | Dec 2025 | Water |
| Goat Lake Hydro | Alaska Power and Telephone Co | Skagway, AK | 14.0 GWh | Nov 1997 | Dec 2025 | Water | |
| 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 |
| Falcon Dam & Power | International Bound & Wtr Comm | Falcon Heights, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.7 GWh | Sep 1954 | Nov 2025 | Water |
| Sam Rayburn Dam | USACE-Fort Worth District | Jasper, TX | Midcontinent Independent System Operator, Inc. (MISO) | 207.9 GWh | Aug 1965 | Dec 2025 | Water |
| Whitney | USACE-Fort Worth District | Clifton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 66.9 GWh | May 1953 | Dec 2025 | Water |
| Black Bear Lake | Alaska Power and Telephone Co | Craig, AK | 22.8 GWh | Feb 1995 | Dec 2025 | Water | |
| Auglaize Hydro | City of Bryan - (OH) | Bryan, OH | PJM Interconnection, LLC (PJM) | 6.1 GWh | Nov 1986 | Dec 2025 | Water |
| Broken Bow Dam | USCE-Tulsa District | Broken Bow, OK | Southwest Power Pool (SWPP) | 195.7 GWh | Dec 1969 | Dec 2025 | Water |
| Denison | USCE-Tulsa District | Denison, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 259.4 GWh | Feb 1945 | Dec 2025 | Water |
| Center Hill | USCE-Nashville District | Lancaster, TN | Tennessee Valley Authority (TVA) | 355.8 GWh | Oct 1950 | Dec 2025 | Water |
| Chelan | PUD No 1 of Chelan County - (WA) | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 325.2 GWh | Aug 1927 | Dec 2025 | Water |
| Cheatham | USCE-Nashville District | Ashland City, TN | Tennessee Valley Authority (TVA) | 191.4 GWh | Apr 1958 | Dec 2025 | Water |
| Eufaula Dam | USCE-Tulsa District | Porum, OK | Southwestern Power Administration (SPA) | 294.0 GWh | Jun 1964 | Dec 2025 | Water |
| Lemolo 2 | PacifiCorp | Toketee Falls, OR | PacifiCorp West (PACW) | 149.5 GWh | Oct 1956 | Dec 2025 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 75.6 GWh | Aug 1906 | Dec 2025 | Water |
| Opal Springs Hydro | Deschutes Valley Water District | Culver, OR | PacifiCorp West (PACW) | 28.0 GWh | Dec 1984 | Dec 2025 | Water |
| Wailuku River Hydroelectric | Wailuku Holding Company LLC | Hilo, HI | 33.2 GWh | Apr 1993 | Aug 2026 | Water | |
| Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 32.3 GWh | Sep 1990 | Dec 2025 | Water |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 64.5 GWh | Jul 1994 | Dec 2025 | Water |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 8.7 GWh | Jan 1994 | Dec 2025 | Water |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 87.2 GWh | Nov 1989 | Dec 2025 | Water |
| Phoenix Hydro Project | Eagle Creek Renewable Energy, LLC | Phoenix, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Dec 1990 | Dec 2025 | Water |
| Dunn Paper | BiOrigin Specialty Products | Gouverneur, NY | New York Independent System Operator (NYIS) | 4.8 GWh | Dec 1958 | Dec 2025 | Water |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 5.3 GWh | May 1994 | Oct 2025 | Water |
| Avalon Hydropower | Avalon Hydropower LLC | Mayodan, NC | Duke Energy Carolinas (DUK) | 2.0 GWh | Mar 1997 | Aug 2026 | Water |
| Flambeau Lower Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1922 | Dec 2025 | Water |
| Flambeau Crowley Rapids Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Dec 1929 | Dec 2025 | Water |
| Hastings City Hydroelectric | Hastings Lock & Dam | Hastings, MN | Midcontinent Independent System Operator, Inc. (MISO) | 13.9 GWh | Dec 1991 | Dec 2025 | Water |
| Four Mile Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.1 GWh | Aug 1990 | Dec 2025 | Water |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 7.8 GWh | Mar 1986 | Oct 2025 | Water |
| Collierville Powerhouse | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 418.3 GWh | Oct 1989 | Aug 2026 | Water |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 22.9 GWh | Dec 1922 | Dec 2025 | Water |
| Sibley Mill | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.4 GWh | Dec 1945 | Aug 2026 | Water |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 565.0 MWh | Oct 1984 | Dec 2025 | Water |
| Taylor Draw Hydroelectric Facility | Rio Blanco Water Conserv Dist | Rangely, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 1.5 GWh | Mar 1993 | Dec 2025 | Water |
| Warm Springs Power Enterprises | Warm Springs Power Enterprises | Warm Springs, OR | PacifiCorp West (PACW) | 70.5 GWh | May 1982 | Dec 2025 | Water |
| Norway Point Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Aug 1990 | Dec 2025 | Water |
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | Eden, ID | Idaho Power Company (IPCO) | 27.3 GWh | Apr 1993 | Oct 2025 | Water |
| Calderwood | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 568.7 GWh | Mar 1930 | Dec 2025 | Water |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 4.0 GWh | Apr 1987 | Dec 2025 | Water |
| Conemaugh Hydro Plant | Pennsylvania Renewable Resources | Saltsburg, PA | PJM Interconnection, LLC (PJM) | 43.3 GWh | Jan 1989 | Dec 2025 | Water |
| Boulder City Silver Lake Hydro | Boulder, City of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 6.2 GWh | Apr 2000 | Dec 2025 | Water |
| Falls Creek | Eagle Creek Renewable Energy, LLC | Cascadia, OR | PacifiCorp West (PACW) | 11.8 GWh | Nov 1984 | Dec 2025 | Water |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 9.2 GWh | Dec 1986 | Dec 2025 | Water |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 27.9 GWh | May 1989 | Dec 2025 | Water |
| San Gabriel Hydro Project | Los Angeles County-San Gabriel | Azusa, CA | California Independent System Operator (CISO) | 2.3 GWh | Nov 1987 | Apr 2025 | Water |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 5.4 GWh | Mar 1990 | Dec 2025 | Water |
| Dixon Hydroelectric Dam | Eagle Creek Renewable Energy, LLC | Dixon, IL | PJM Interconnection, LLC (PJM) | 12.5 GWh | May 1925 | Dec 2025 | Water |
| Hudson Falls Hydroelectric Project | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 170.4 GWh | Oct 1995 | Dec 2025 | Water |
| Chilhowee | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 157.7 GWh | Jul 1957 | Dec 2025 | Water |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 35.6 GWh | Dec 1912 | Aug 2026 | Water |
| Kimberly Mill | City of Kaukauna (WI) | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.3 GWh | Dec 1925 | Dec 2025 | Water |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 1.9 GWh | Mar 1986 | Dec 2025 | Water |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 2.7 GWh | Jun 1986 | Dec 2025 | Water |
| Cheoah | Brookfield Smoky Mountain Hydropower LP | Tapoco, NC | Tennessee Valley Authority (TVA) | 472.4 GWh | Aug 1949 | Dec 2025 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 500.1 GWh | Jun 1917 | Dec 2025 | Water |
| Hillcrest Pump Station | Denver City & County of - (CO) | Denver, CO | Public Service Company of Colorado (PSCO) | 7.7 GWh | May 1993 | Dec 2025 | Water |
| Santeetlah | Brookfield Smoky Mountain Hydropower LP | Robbinsville, NC | Tennessee Valley Authority (TVA) | 130.0 GWh | May 1928 | Dec 2025 | Water |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 36.8 GWh | Dec 1988 | Nov 2025 | Water |
| Tuckertown Hydro | Eagle Creek Renewable Energy, LLC | New London, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 95.7 GWh | Mar 1962 | 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 |
| Falls Hydro | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 93.6 GWh | Aug 1919 | Dec 2025 | Water |
| Narrows (NC) | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 362.8 GWh | Jun 1917 | Dec 2025 | Water |
| Ford Hydro LP | Ford Hydro Ltd Partnership | Weippe, ID | Avista Corporation (AVA) | 3.1 GWh | Feb 1988 | Dec 2025 | Water |
| Lower Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Nov 1979 | Dec 2025 | Water |
| Thundermist Hydro | City of Woonsocket - (RI) | Providence, RI | ISO New England (ISNE) | 3.3 GWh | May 1981 | Jul 2025 | Water |
| Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 17.1 GWh | Mar 1993 | Dec 2025 | Water |
| Boulder City Betasso Hydro Plant | Boulder, City of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 7.5 GWh | Nov 1987 | Dec 2025 | Water |
| Boulder City Lakewood Hydro | Boulder, City of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 7.5 GWh | Jan 2004 | Dec 2025 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 1.2 GWh | Jun 1985 | Dec 2025 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jan 1985 | Aug 2025 | Water |
| Weeks Falls | Eagle Creek Renewable Energy, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | May 1990 | Dec 2025 | Water |
| Sidney A Murray Jr Hydroelectric | First National Bank-Commerce | Vidalia, LA | Midcontinent Independent System Operator, Inc. (MISO) | 989.5 GWh | Apr 1990 | Dec 2025 | Water |
| Alice Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Keeseville, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Oct 1991 | Dec 2025 | Water |
| Ninth Street Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Aug 1990 | 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 |