Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 5.4 GWh | Apr 2001 | Apr 2024 | Water |
| Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 16.7 GWh | Dec 1927 | Dec 2024 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
| San Francisquito 1 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 177.7 GWh | Mar 1917 | Dec 2024 | Water |
| San Francisquito 2 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 44.7 GWh | Jun 1920 | Dec 2024 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
| Bend | PacifiCorp | Bend, OR | PacifiCorp West (PACW) | 1.1 GWh | Jun 1913 | Dec 2024 | Water |
| Mill C | New York State Elec & Gas Corp | Town of Plattsburgh, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Jul 1943 | 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 |
| Oak Grove | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 150.1 GWh | Jul 1924 | Dec 2024 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 20.9 GWh | Nov 1921 | Dec 2024 | Water |
| Fleish | Truckee Meadows Water Authority | Fleish, NV | Nevada Power Company (NEVP) | 21.2 GWh | Dec 1913 | Dec 2025 | Water |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 31.2 GWh | Jul 1905 | Dec 2024 | Water |
| Queens Creek | Duke Energy Carolinas, LLC | Topton, NC | Duke Energy Carolinas (DUK) | 3.0 GWh | Dec 1948 | Dec 2024 | Water |
| Lost Creek | USACE Northwestern Division | Trail, OR | PacifiCorp West (PACW) | 289.1 GWh | Aug 1977 | Dec 2024 | Water |
| Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 108.9 GWh | Dec 1956 | Dec 2024 | Water |
| Kaw Hydro | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 28.7 GWh | Jul 1989 | Dec 2024 | Water |
| Libby | USACE Northwestern Division | Libby, MT | Bonneville Power Administration (BPAT) | 1.9 TWh | Jul 1975 | Dec 2024 | Water |
| Laurel Dam | USCE-Nashville District | London, KY | PJM Interconnection, LLC (PJM) | 53.2 GWh | Oct 1977 | Dec 2024 | Water |
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | Mar 1975 | Dec 2025 | Water |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.3 GWh | Sep 1994 | Oct 2024 | Water |
| Causey | Weber Basin Water Conserv Dist | South Fork, UT | PacifiCorp East (PACE) | 5.3 GWh | Dec 1997 | Dec 2024 | Water |
| Power Creek | Cordova Electric Coop, Inc | Cordova, AK | 16.7 GWh | Oct 2001 | Dec 2024 | Water | |
| Wilson Dam | Tennessee Valley Authority | Muscle Shoals, AL | Tennessee Valley Authority (TVA) | 2.4 TWh | Aug 1925 | Dec 2025 | Water |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | Bonneville Power Administration (BPAT) | 16.2 TWh | Feb 1941 | Dec 2025 | Water |
| Crystal | U S Bureau of Reclamation | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 144.3 GWh | May 1978 | Dec 2024 | Water |
| New Melones | U S Bureau of Reclamation | Jamestown, CA | Balancing Authority of Northern California (BANC) | 270.6 GWh | May 1979 | Dec 2025 | Water |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 331.2 GWh | Dec 1983 | Sep 2025 | Water |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD | Plymouth, WA | Bonneville Power Administration (BPAT) | 64.2 GWh | Oct 1997 | Dec 2024 | Water |
| Stone Creek | Eugene Water & Electric Board | Estacada, OR | Portland General Electric Company (PGE) | 52.3 GWh | Dec 1993 | Dec 2024 | Water |
| Deadwood Creek | Hydro Sierra Energy, LLC | Dobbins, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 1993 | May 2024 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 65.1 GWh | Jun 1981 | Dec 2024 | Water |
| Fries Hydroelectric Project | Central Rivers Power US, LLC | Fries, VA | PJM Interconnection, LLC (PJM) | 20.6 GWh | Dec 1932 | Sep 2024 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 13.9 GWh | Apr 1951 | Dec 2024 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.4 GWh | Apr 1986 | Dec 2024 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 11.0 GWh | Nov 1986 | Dec 2024 | Water |
| Peters Drive Plant | Farmer's Irrigation District | Hood River, OR | PacifiCorp West (PACW) | 7.3 GWh | Oct 1987 | Dec 2024 | Water |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 3.2 GWh | Feb 1987 | Dec 2024 | Water |
| Copper Dam Plant | Farmer's Irrigation District | Hood River, OR | PacifiCorp West (PACW) | 16.4 GWh | Dec 1985 | Dec 2024 | Water |
| Port Leyden Hydroelectric Project | Lyonsdale Hydroelectric Co., Inc. | Port Leyden, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 1985 | Dec 2024 | Water |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.3 GWh | Jun 1985 | Dec 2024 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| Low Line Rapids | Lower Lowline LLC | Kimberly, ID | Idaho Power Company (IPCO) | 8.7 GWh | Jul 1990 | Oct 2024 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 8.3 GWh | Jul 1990 | Oct 2024 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 9.4 GWh | Dec 1987 | Dec 2024 | Water |
| Black River Hydro Associates | Central Rivers Power US, LLC | Port Layden, NY | New York Independent System Operator (NYIS) | 23.4 GWh | Dec 1983 | Dec 2024 | Water |
| Brainerd Public Utilities | Brainerd Public Utilities | Brainerd, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Dec 1916 | Dec 2023 | Water |
| Pelzer Lower | Central Rivers Power US, LLC | Williamston, SC | Duke Energy Carolinas (DUK) | 4.7 GWh | Nov 1989 | Dec 2024 | Water |
| Lyonsdale Associates | Eagle Creek Renewable Energy, LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 11.0 GWh | Jun 1984 | Dec 2024 | Water |
| Pelzer Upper | Central Rivers Power US, LLC | Petzer, SC | Duke Energy Carolinas (DUK) | 4.7 GWh | Nov 1989 | Dec 2024 | Water |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 18.6 GWh | Nov 1988 | Dec 2024 | Water |
| Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Nov 1917 | Dec 2025 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 3.8 GWh | Dec 1919 | Dec 2025 | Water |
| Galesville Project | Douglas County | Azalea, OR | PacifiCorp West (PACW) | 2.6 GWh | Jan 1987 | Dec 2024 | Water |
| Burney Creek | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 8.9 GWh | Feb 1990 | Dec 2024 | Water |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 7.3 GWh | Apr 1990 | Dec 2024 | Water |
| Cove Hydroelectric | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 18.4 GWh | Jan 1990 | Dec 2024 | Water |
| Philadlephia | EONY Generation Limited | Village of Philadelph, NY | New York Independent System Operator (NYIS) | 10.7 GWh | Sep 1986 | Dec 2024 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Lachute Hydro Upper | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 12.6 GWh | Nov 1987 | Dec 2024 | Water |
| Moose River | EONY Generation Limited | Lyons Falls, NY | New York Independent System Operator (NYIS) | 44.6 GWh | Oct 1987 | Dec 2024 | Water |
| Siphon Power Project | Central Oregon Irrigation Dist | Bend, OR | PacifiCorp West (PACW) | 15.6 GWh | Jul 1989 | Dec 2024 | Water |
| Lachute Hydro Lower | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 12.6 GWh | Nov 1987 | Dec 2024 | Water |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 10.6 GWh | Aug 1983 | Dec 2024 | Water |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 36.3 GWh | May 1988 | Dec 2024 | Water |
| Lost Creek I | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 5.1 GWh | Nov 1989 | Dec 2024 | Water |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.1 GWh | Feb 1986 | Dec 2024 | Water |
| Little Falls Hydro | Eagle Creek Renewable Energy, LLC | Little Falls, NY | New York Independent System Operator (NYIS) | 51.0 GWh | Dec 1986 | Dec 2024 | Water |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 2.9 GWh | Feb 1990 | Dec 2024 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 19.9 GWh | Apr 1989 | Sep 2024 | Water |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 2.3 GWh | Sep 1989 | Apr 2024 | Water |
| Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
| Yough Hydro Power | D/R Hydro Co | Confluence, PA | PJM Interconnection, LLC (PJM) | 36.9 GWh | Nov 1989 | Dec 2024 | Water |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.7 GWh | May 1985 | Dec 2025 | Water |
| Barber Dam | Barber Pool Hydro LLC | Boise, ID | Idaho Power Company (IPCO) | 6.7 GWh | Jul 1990 | Dec 2024 | Water |
| Clifton Dam 3 Power Station | Converse Energy Inc | Converse, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jul 1985 | Dec 2024 | Water |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Nov 1987 | Dec 2023 | Water |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 116.3 GWh | Dec 1949 | Dec 2024 | Water |
| Great Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Paterson, NJ | PJM Interconnection, LLC (PJM) | 6.3 GWh | Nov 1985 | Oct 2025 | Water |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 12.7 GWh | Nov 1985 | Dec 2024 | Water |
| Metropolitan Sewerage District | Metropolitan Sewerage District | Asheville, NC | Duke Energy Progress East (CPLE) | 3.5 GWh | Aug 1988 | Nov 2025 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 3.7 GWh | Mar 1986 | Dec 2024 | Water |
| Dolgeville Hydro | EONY Generation Limited | Dolgeville, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Jun 1985 | Dec 2024 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 3.5 GWh | Aug 1986 | Oct 2024 | Water |
| Cornell Hydro | Cornell Hydro | Ithaca, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Nov 1981 | Jul 2025 | Water |
| Townsend Hydro | Beaver Falls Municipal Auth | New Brighton, PA | PJM Interconnection, LLC (PJM) | 16.0 GWh | Sep 1987 | Dec 2024 | Water |
| Big Creek Water Works | Big Creek Water Works Ltd | Hyampom, CA | California Independent System Operator (CISO) | 9.6 GWh | Dec 1986 | Dec 2025 | Water |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 61.9 GWh | Nov 1986 | Dec 2024 | Water |
| Piedmont Hydro Power Project | Central Rivers Power US, LLC | Piedmont, SC | Duke Energy Carolinas (DUK) | 4.5 GWh | Apr 1989 | Dec 2024 | Water |
| Kansas River Project | Bowersock Mills & Power Co | Lawrence, KS | Southwest Power Pool (SWPP) | 23.3 GWh | Dec 1919 | Dec 2025 | Water |
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 8.9 GWh | Nov 1984 | Dec 2024 | Water |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | Gooding, ID | Idaho Power Company (IPCO) | 3.8 GWh | Nov 1983 | Oct 2024 | Water |
| New Hogan Power Plant | Modesto Irrigation District | Valley Springs, CA | California Independent System Operator (CISO) | 8.8 GWh | Mar 1989 | Dec 2024 | Water |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 48.6 GWh | Oct 1987 | Dec 2024 | Water |
| West End Dam Hydroelectric Project | Relevate Power Management LLC | Carthage, NY | New York Independent System Operator (NYIS) | 22.8 GWh | Sep 1985 | Dec 2023 | Water |
| Haw River Hydro | Haw River Hydro Co | Saxapahaw, NC | Duke Energy Carolinas (DUK) | 4.1 GWh | Aug 1981 | Dec 2024 | Water |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 77.5 GWh | Mar 1988 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on December 2025 generation numbers.| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,766.12 GWh |
| Alaska | # 48 | 139 | 625.46 GWh |
| Arizona | # 16 | 183 | 8,962.31 GWh |
| Arkansas | # 29 | 114 | 5,525.50 GWh |
| California | # 5 | 1,683 | 14,393.99 GWh |
| Colorado | # 31 | 297 | 4,649.38 GWh |
| Connecticut | # 34 | 162 | 4,087.83 GWh |
| Delaware | # 49 | 33 | 469.96 GWh |
| District of Columbia | # 51 | 16 | 14.80 GWh |
| Florida | # 3 | 333 | 19,379.32 GWh |
| Georgia | # 8 | 248 | 12,492.24 GWh |
| Hawaii | # 46 | 70 | 814.97 GWh |
| Idaho | # 41 | 146 | 2,123.12 GWh |
| Illinois | # 4 | 379 | 17,546.79 GWh |
| Indiana | # 13 | 214 | 9,789.95 GWh |
| Iowa | # 20 | 293 | 7,310.28 GWh |
| Kansas | # 28 | 183 | 5,586.75 GWh |
| Kentucky | # 22 | 60 | 6,716.43 GWh |
| Louisiana | # 17 | 84 | 8,587.03 GWh |
| Maine | # 45 | 215 | 1,484.81 GWh |
| Maryland | # 37 | 203 | 3,225.85 GWh |
| Massachusetts | # 43 | 640 | 2,073.13 GWh |
| Michigan | # 11 | 269 | 11,734.82 GWh |
| Minnesota | # 27 | 764 | 5,712.30 GWh |
| Mississippi | # 24 | 56 | 6,090.79 GWh |
| Missouri | # 23 | 125 | 6,623.76 GWh |
| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,639.28 GWh |
| Nebraska | # 36 | 125 | 3,667.32 GWh |
| Nevada | # 38 | 114 | 3,217.22 GWh |
| New Hampshire | # 44 | 56 | 1,878.83 GWh |
| New Jersey | # 30 | 387 | 5,182.27 GWh |
| New Mexico | # 35 | 142 | 3,818.41 GWh |
| New York | # 10 | 950 | 11,800.05 GWh |
| North Carolina | # 9 | 904 | 12,153.04 GWh |
| North Dakota | # 33 | 58 | 4,218.72 GWh |
| Ohio | # 6 | 198 | 13,425.53 GWh |
| Oklahoma | # 18 | 141 | 7,637.23 GWh |
| Oregon | # 21 | 272 | 6,788.64 GWh |
| Pennsylvania | # 2 | 252 | 22,539.49 GWh |
| Rhode Island | # 47 | 100 | 775.70 GWh |
| South Carolina | # 15 | 207 | 8,967.44 GWh |
| South Dakota | # 42 | 52 | 2,122.20 GWh |
| Tennessee | # 19 | 88 | 7,328.17 GWh |
| Texas | # 1 | 947 | 46,150.81 GWh |
| Utah | # 39 | 125 | 2,845.12 GWh |
| Vermont | # 50 | 116 | 189.85 GWh |
| Virginia | # 14 | 237 | 9,421.16 GWh |
| Washington | # 12 | 135 | 10,635.09 GWh |
| West Virginia | # 26 | 39 | 5,763.55 GWh |
| Wisconsin | # 25 | 243 | 5,804.32 GWh |
| Wyoming | # 32 | 70 | 4,436.68 GWh |