Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Valdez Cogen | Copper Valley Elec Assn, Inc | Valdez, AK | 22.5 GWh | Mar 2000 | Dec 2024 | Waste/Other Oil | |
| Hamakua Energy Plant | Hamakua Energy LP | Honokaa, HI | 85.2 GWh | Jun 2000 | Nov 2025 | Waste/Other Oil : 43.3% Other Biomass Liquids : 42.6% Distillate Fuel Oil : 14.1% | |
| North Pole | Golden Valley Elec Assn Inc | North Pole, AK | (NA) | 588.8 GWh | Nov 1976 | Nov 2025 | Waste/Other Oil : 66.9% Distillate Fuel Oil : 33.1% |
| Tesoro Hawaii | PAR Petroleum | Kapolei, HI | (NA) | 156.5 GWh | Nov 1982 | Nov 2025 | Waste/Other Oil : 91.7% Distillate Fuel Oil : 8.3% |
| Highgate Falls | Village of Swanton - (VT) | Highgate, VT | ISO New England (ISNE) | 46.6 GWh | Jul 1923 | Dec 2024 | Water |
| Union Valley | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 76.5 GWh | Sep 1963 | Dec 2024 | Water |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 29.6 GWh | Oct 1993 | Dec 2024 | Water |
| Lake Lynn Hydro Station | Eagle Creek Renewable Energy, LLC | Lake Lynn, PA | PJM Interconnection, LLC (PJM) | 84.4 GWh | Apr 1926 | Dec 2024 | Water |
| Bradley Lake | Homer Electric Assn Inc | Homer, AK | 397.1 GWh | May 1991 | Dec 2024 | Water | |
| Gavins Point | USACE-Omaha | Crofton, NE | Southwest Power Pool (SWPP) | 712.6 GWh | Aug 1956 | Dec 2024 | Water |
| Silvis | Ketchikan Public Utilities | Ketchikan, AK | 2.8 GWh | Dec 1967 | Dec 2024 | Water | |
| Fort Peck | USACE-Omaha | Fort Peck, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 751.6 GWh | Jun 1943 | Dec 2024 | Water |
| Beaver Falls | Ketchikan Public Utilities | Ketchikan, AK | 40.3 GWh | Dec 1946 | Dec 2024 | Water | |
| Buffalo Bill | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 66.2 GWh | Aug 1992 | Dec 2024 | Water |
| Lake Mathews | Metropolitan Water District of S CA | Riverside, CA | California Independent System Operator (CISO) | 8.0 GWh | Jul 1980 | Jul 2024 | Water |
| McPhee | U S Bureau of Reclamation | Cortez, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.1 GWh | Nov 1992 | May 2024 | Water |
| Foothill Feeder | Metropolitan Water District of S CA | Castaic, CA | California Independent System Operator (CISO) | 19.6 GWh | Mar 1981 | Dec 2023 | Water |
| Towaoc | U S Bureau of Reclamation | Cortez, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.8 GWh | Apr 1993 | Dec 2024 | Water |
| Cowlitz Falls | PUD No 1 of Lewis County | Randle, WA | Bonneville Power Administration (BPAT) | 196.3 GWh | May 1994 | Dec 2024 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.4 GWh | Feb 1922 | Dec 2024 | Water |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 1988 | Dec 2024 | Water |
| Keowee | Duke Energy Carolinas, LLC | Seneca, SC | Duke Energy Carolinas (DUK) | 67.0 GWh | Mar 1971 | Dec 2024 | Water |
| Basalt | City of Aspen- (CO) | Aspen, CO | Public Service Company of Colorado (PSCO) | 18.8 GWh | Aug 1985 | Dec 2024 | Water |
| Wallace Dam | Georgia Power Co | Eatonton, GA | Southern Company Services, Inc. - Trans (SOCO) | 41.7 GWh | Nov 1979 | Nov 2025 | Water |
| Cornell | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 82.4 GWh | Jun 1976 | Dec 2024 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 8.0 GWh | Dec 1911 | Dec 2024 | Water |
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 15.2 GWh | May 1953 | Dec 2024 | Water |
| Lahontan | Truckee-Carson Irrigation District | Fallon, NV | Nevada Power Company (NEVP) | 10.0 GWh | Dec 1910 | Nov 2024 | Water |
| Rainbow Falls Auscble | New York State Elec & Gas Corp | Town of Auscble, NY | New York Independent System Operator (NYIS) | 10.3 GWh | Jul 1926 | Dec 2024 | Water |
| E J West | Erie Boulevard Hydropower LP | Lake Luzerne, NY | New York Independent System Operator (NYIS) | 75.4 GWh | Dec 1929 | Dec 2024 | Water |
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | ISO New England (ISNE) | 29.5 GWh | Sep 1974 | Oct 2024 | Water |
| Winfield | Appalachian Power Co | Winfield, WV | PJM Interconnection, LLC (PJM) | 84.4 GWh | Dec 1937 | Dec 2024 | Water |
| Verdi | Truckee Meadows Water Authority | Verdi, NV | Nevada Power Company (NEVP) | 19.1 GWh | Dec 1910 | Nov 2025 | Water |
| Washoe | Truckee Meadows Water Authority | Verdi, NV | Nevada Power Company (NEVP) | 14.4 GWh | Dec 1903 | Dec 2024 | Water |
| Little Cottonwood | City of Murray - (UT) | Sandy, UT | PacifiCorp East (PACE) | 10.3 GWh | Mar 1983 | Oct 2024 | Water |
| Dam No. 4 Hydro Station | Eagle Creek Renewable Energy, LLC | Shepherdstown, WV | PJM Interconnection, LLC (PJM) | 8.8 GWh | Dec 1908 | Dec 2024 | Water |
| Dam No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Hedgesville, WV | PJM Interconnection, LLC (PJM) | 4.1 GWh | Dec 1918 | Dec 2024 | Water |
| Dalles Dam North Fishway Project | Northern Wasco County PUD | The Dalles, OR | Bonneville Power Administration (BPAT) | 44.3 GWh | Apr 1991 | Dec 2024 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | PJM Interconnection, LLC (PJM) | 8.6 GWh | Dec 1912 | Dec 2024 | Water |
| Fleish | Truckee Meadows Water Authority | Fleish, NV | Nevada Power Company (NEVP) | 21.2 GWh | Dec 1913 | Nov 2025 | Water |
| Foster | USACE Northwestern Division | Foster, OR | Bonneville Power Administration (BPAT) | 56.9 GWh | Aug 1968 | Dec 2024 | Water |
| London | Appalachian Power Co | Handley, WV | PJM Interconnection, LLC (PJM) | 72.9 GWh | Nov 1935 | Dec 2024 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 67.4 GWh | Nov 1935 | Dec 2024 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Hollow Dam Power Partnership | Ampersand Hollow Dam Hydro LLC | Gouveneur, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Nov 1987 | Sep 2024 | Water |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 23.9 GWh | Dec 1988 | Dec 2024 | Water |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.6 GWh | Sep 1985 | Dec 2024 | Water |
| Foothills Hydro Plant | Denver City & County-Foothills | Littleton, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.4 GWh | Apr 1985 | Oct 2024 | Water |
| Wrightsville Hydro Plant | Washington Electric Coop - (VT) | Montpelier, VT | ISO New England (ISNE) | 1.7 GWh | Aug 1985 | Nov 2024 | Water |
| Strontia Springs Hydro Plant | Denver City & County of | Littleton, CO | Public Service Company of Colorado (PSCO) | 5.0 GWh | Jun 1986 | Nov 2024 | Water |
| Whillock | Arkansas Electric Coop Corp | Morrilton, AR | Midcontinent Independent System Operator, Inc. (MISO) | 139.3 GWh | Sep 1993 | Dec 2024 | Water |
| Pine View Dam | City of Bountiful | Ogden, UT | PacifiCorp East (PACE) | 6.2 GWh | May 1991 | Oct 2024 | Water |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 5.9 GWh | May 1982 | Dec 2024 | Water |
| Stampede | U S Bureau of Reclamation | Truckee, CA | Nevada Power Company (NEVP) | 14.7 GWh | Dec 1987 | Nov 2025 | Water |
| Hampshire Paper | Hampshire Paper Co Inc | Gouverneur, NY | New York Independent System Operator (NYIS) | 12.1 GWh | Apr 1987 | Dec 2024 | Water |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 19.2 GWh | Jun 1987 | Dec 2024 | Water |
| William F Matson Generating Station | Allegheny Electric Coop Inc | Huntingdon, PA | PJM Interconnection, LLC (PJM) | 84.4 GWh | May 1988 | Nov 2025 | Water |
| Wynoochee | City of Tacoma - (WA) | Montesano, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 30.8 GWh | Dec 1993 | Dec 2024 | Water |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 10.6 GWh | Feb 1903 | Dec 2024 | Water |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 5.9 GWh | May 1983 | Dec 2024 | Water |
| Cataract (MI) | Cataract Hydro, LLC | Gwinn, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Jan 1988 | Dec 2024 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 43.0 GWh | Nov 1990 | Dec 2024 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 12.6 GWh | Mar 1986 | Dec 2024 | Water |
| McClure Dam | Upper Peninsula Power Company | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 32.4 GWh | Jan 1988 | Dec 2024 | Water |
| Hoist | Upper Peninsula Power Company | Negaunee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.2 GWh | Jan 1988 | Dec 2024 | Water |
| Brasfield | Appomattox River Associates LP | Petersburg, VA | PJM Interconnection, LLC (PJM) | 9.6 GWh | Aug 1993 | Dec 2024 | Water |
| PEC Headworks | PUD No 2 of Grant County | Moses Lake, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 17.8 GWh | Aug 1990 | Oct 2024 | Water |
| Whitewater Hydro Plant | Desert Water Agency | California, CA | California Independent System Operator (CISO) | 5.0 GWh | Mar 1986 | Nov 2024 | Water |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 46.2 GWh | Jul 1996 | Dec 2024 | Water |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.3 GWh | Aug 1947 | Dec 2024 | Water |
| Whiskeytown | City of Redding - (CA) | Whiskeytown, CA | Balancing Authority of Northern California (BANC) | 23.1 GWh | Aug 1986 | Oct 2024 | Water |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 2.2 GWh | Aug 1990 | Dec 2024 | Water |
| Dam 2 | Arkansas Electric Coop Corp | Dumas, AR | Midcontinent Independent System Operator, Inc. (MISO) | 400.7 GWh | May 1999 | Dec 2024 | Water |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 38.9 GWh | Mar 1982 | Dec 2024 | Water |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 62.4 GWh | Mar 1997 | Dec 2024 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 895.3 GWh | Aug 1936 | Nov 2025 | Water |
| Unit 4 | City of Mt Pleasant - (UT) | Mt Pleasent, UT | PacifiCorp East (PACE) | 2.3 GWh | May 1993 | Oct 2024 | Water |
| Black Butte | City of Santa Clara - (CA) | Orland, CA | California Independent System Operator (CISO) | 14.9 GWh | Aug 1988 | Dec 2024 | Water |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 89.9 GWh | Nov 1992 | Dec 2024 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2024 | Water |
| Tallassee Hydro Project | Tallassee Shoals LLC | Clarke, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.4 GWh | Jul 1986 | Nov 2025 | Water |
| Cabot Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 4.4 GWh | Dec 1892 | Dec 2024 | Water |
| Milner Hydro | Idaho Power Co | Murtaugh, ID | Idaho Power Company (IPCO) | 98.7 GWh | Aug 1992 | Dec 2024 | Water |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | South Carolina Public Service Authority (SC) | 258.6 GWh | Feb 1985 | Dec 2024 | Water |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 290.6 GWh | Sep 1988 | Dec 2024 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 26.5 GWh | Nov 1926 | Dec 2024 | Water |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 35.7 GWh | Feb 1993 | Dec 2024 | Water |
| Hydro II | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 19.1 GWh | Feb 1986 | Dec 2024 | Water |
| Ellis Hydro | Arkansas Electric Coop Corp | Van Buren, AR | Southwest Power Pool (SWPP) | 128.8 GWh | Nov 1988 | Dec 2024 | Water |
| Chester Lake | Metlakatla Power & Light | Metlakatla, AK | 5.1 GWh | Dec 1987 | Dec 2024 | Water | |
| Murray | City of North Little Rock - (AR) | North Little Rock, AR | Midcontinent Independent System Operator, Inc. (MISO) | 113.5 GWh | Sep 1988 | Dec 2024 | Water |
| Humpback Creek | Cordova Electric Coop, Inc | Cordova, AK | 2.0 GWh | May 1991 | Dec 2024 | Water | |
| Hillsborough Hosiery | Silverstreet Hydro | Hillsboro, NH | ISO New England (ISNE) | 2.1 GWh | Nov 1989 | Dec 2024 | Water |
| Racine | Eagle Creek Renewable Energy, LLC | Racine, OH | PJM Interconnection, LLC (PJM) | 174.8 GWh | Aug 1982 | Dec 2024 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 5.0 GWh | Apr 1984 | Dec 2024 | Water |
| Stony Gorge | City of Santa Clara - (CA) | Elk Creek, CA | California Independent System Operator (CISO) | 15.6 GWh | Mar 1986 | Dec 2024 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 36.4 GWh | May 1983 | Dec 2024 | Water |
| Big Quinnesec 61 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Apr 1914 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on November 2025 generation numbers.| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,511.20 GWh |
| Alaska | # 48 | 144 | 528.08 GWh |
| Arizona | # 13 | 184 | 8,245.57 GWh |
| Arkansas | # 24 | 116 | 5,216.59 GWh |
| California | # 4 | 1,736 | 15,288.71 GWh |
| Colorado | # 29 | 302 | 4,252.83 GWh |
| Connecticut | # 34 | 166 | 3,697.17 GWh |
| Delaware | # 49 | 33 | 425.33 GWh |
| District of Columbia | # 51 | 16 | 14.43 GWh |
| Florida | # 2 | 323 | 18,667.27 GWh |
| Georgia | # 8 | 262 | 11,183.00 GWh |
| Hawaii | # 47 | 73 | 801.36 GWh |
| Idaho | # 43 | 146 | 1,663.41 GWh |
| Illinois | # 5 | 384 | 14,942.91 GWh |
| Indiana | # 15 | 211 | 7,722.21 GWh |
| Iowa | # 19 | 293 | 6,283.14 GWh |
| Kansas | # 32 | 187 | 4,136.03 GWh |
| Kentucky | # 21 | 60 | 5,370.35 GWh |
| Louisiana | # 12 | 86 | 8,259.66 GWh |
| Maine | # 45 | 216 | 1,300.62 GWh |
| Maryland | # 40 | 203 | 2,568.19 GWh |
| Massachusetts | # 41 | 648 | 1,975.71 GWh |
| Michigan | # 9 | 273 | 10,785.64 GWh |
| Minnesota | # 28 | 765 | 4,723.22 GWh |
| Mississippi | # 23 | 57 | 5,274.88 GWh |
| Missouri | # 22 | 128 | 5,368.91 GWh |
| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Montana | # 39 | 71 | 2,609.34 GWh |
| Nebraska | # 35 | 129 | 3,447.15 GWh |
| Nevada | # 38 | 114 | 3,066.88 GWh |
| New Hampshire | # 44 | 60 | 1,466.90 GWh |
| New Jersey | # 27 | 393 | 4,952.95 GWh |
| New Mexico | # 36 | 144 | 3,313.38 GWh |
| New York | # 10 | 956 | 10,414.21 GWh |
| North Carolina | # 11 | 909 | 9,927.17 GWh |
| North Dakota | # 33 | 61 | 3,714.56 GWh |
| Ohio | # 6 | 198 | 11,688.48 GWh |
| Oklahoma | # 18 | 143 | 6,525.64 GWh |
| Oregon | # 20 | 275 | 5,407.05 GWh |
| Pennsylvania | # 3 | 256 | 17,277.29 GWh |
| Rhode Island | # 46 | 100 | 833.56 GWh |
| South Carolina | # 16 | 208 | 7,560.03 GWh |
| South Dakota | # 42 | 52 | 1,785.37 GWh |
| Tennessee | # 26 | 88 | 5,030.87 GWh |
| Texas | # 1 | 955 | 43,514.30 GWh |
| Utah | # 37 | 125 | 3,174.08 GWh |
| Vermont | # 50 | 117 | 164.43 GWh |
| Virginia | # 17 | 239 | 7,087.47 GWh |
| Washington | # 14 | 137 | 7,966.23 GWh |
| West Virginia | # 31 | 39 | 4,211.99 GWh |
| Wisconsin | # 25 | 250 | 5,195.24 GWh |
| Wyoming | # 30 | 71 | 4,237.64 GWh |