Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 108.0 GWh | Aug 1937 | Dec 2024 | Water |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 24.3 GWh | Jul 1937 | Dec 2024 | Water |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 197.0 MWh | May 1937 | Dec 2024 | Natural Gas : 91.9% Distillate Fuel Oil : 8.1% |
| Blooming Prairie | City of Blooming Prairie - (MN) | Blooming Prairie, MN | Midcontinent Independent System Operator, Inc. (MISO) | 234.0 MWh | Apr 1937 | Dec 2024 | Distillate Fuel Oil |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 17.0 GWh | Jan 1937 | Dec 2024 | Water |
| Scotland Dam | FirstLight Power Resources Services LLC | Windham, CT | ISO New England (ISNE) | 6.6 GWh | Dec 1936 | Dec 2024 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 28.5 GWh | Dec 1936 | Dec 2024 | Water |
| Broken Bow | City of Broken Bow - (NE) | Broken Bow, NE | Southwest Power Pool (SWPP) | 67.0 MWh | Nov 1936 | Dec 2024 | Distillate Fuel Oil : 88.4% Natural Gas : 11.6% |
| Wheeler Dam | Tennessee Valley Authority | Town Creek, AL | Tennessee Valley Authority (TVA) | 1.2 TWh | Oct 1936 | Dec 2024 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 361.4 GWh | Sep 1936 | Dec 2024 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 942.4 GWh | Aug 1936 | Aug 2025 | Water |
| Hoover Dam (NV) | U S Bureau of Reclamation | Boulder City, NV | Western Area Power Administration - Desert Southwest Region (WALC) | 2.0 TWh | Aug 1936 | Aug 2025 | Water |
| Tennessee Eastman Operations | Eastman Chemical Co-TN Ops | Kingsport, TN | PJM Interconnection, LLC (PJM) | 1.1 TWh | Aug 1936 | Aug 2025 | Natural Gas : 61.8% Bituminous Coal : 36.5% Other Gas : 1.0% Sludge Waste : 0.7% |
| Wahoo | City of Wahoo - (NE) | Wahoo, NE | Southwest Power Pool (SWPP) | 132.0 MWh | Jul 1936 | Dec 2024 | Distillate Fuel Oil : 84.9% Natural Gas : 15.1% |
| Norris Dam | Tennessee Valley Authority | Norris, TN | Tennessee Valley Authority (TVA) | 386.9 GWh | Jun 1936 | Dec 2024 | Water |
| Cushing | City of Cushing - (OK) | Cushing, OK | Southwest Power Pool (SWPP) | 230.0 MWh | May 1936 | Dec 2024 | Natural Gas : 84.6% Distillate Fuel Oil : 15.4% |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 433.8 GWh | May 1936 | Dec 2024 | Water |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 48.4 GWh | Dec 1935 | Dec 2024 | Water |
| Jackson (MO) | City of Jackson - (MO) | Jackson, MO | Midcontinent Independent System Operator, Inc. (MISO) | 146.0 MWh | Dec 1935 | Dec 2024 | Distillate Fuel Oil : 58.6% Natural Gas : 41.4% |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 119.5 GWh | Dec 1935 | Dec 2024 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 25.4 GWh | Dec 1935 | Dec 2024 | Water |
| Newport | Great Bay Hydro Corp | Newport, VT | ISO New England (ISNE) | 20.6 GWh | Dec 1935 | 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 |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 101.0 GWh | Feb 1935 | Dec 2024 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.3 GWh | Dec 1934 | Dec 2024 | Water |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 5.5 GWh | Dec 1934 | Dec 2024 | Water |
| Allegan Dam | Consumers Energy Co - (MI) | Allegan, MI | Midcontinent Independent System Operator, Inc. (MISO) | 12.3 GWh | Dec 1934 | Dec 2024 | Water |
| Unionville City of | City of Unionville - (MO) | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 1.0 MWh | Dec 1934 | Dec 2024 | Distillate Fuel Oil |
| North Platte | Nebraska Public Power District | North Platte, NE | Southwest Power Pool (SWPP) | 65.4 GWh | Dec 1934 | Dec 2024 | Water |
| Paris (KY) | City of Paris - (KY) | Paris, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 743.8 MWh | Nov 1934 | Dec 2024 | Distillate Fuel Oil |
| Radford | City of Radford - (VA) | Radford, VA | PJM Interconnection, LLC (PJM) | 4.6 GWh | Sep 1934 | Dec 2024 | Water |
| Clevelandcliffs Warren | Clevelandcliffs Warren | Warren, OH | PJM Interconnection, LLC (PJM) | 53.3 GWh | Sep 1934 | Sep 2024 | Other Gas : 62.9% Natural Gas : 37.1% |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jun 1934 | Aug 2025 | Water |
| Fries Hydroelectric Project | Central Rivers Power US, LLC | Fries, VA | PJM Interconnection, LLC (PJM) | 20.6 GWh | Dec 1932 | Sep 2024 | Water |
| Eagle Pass | Maverick Cty Water Control & Improvement | Eagle Pass, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 26.5 GWh | Jul 1932 | Aug 2025 | Water |
| Cashton | Village of Cashton - (WI) | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 MWh | Jul 1932 | Dec 2024 | Distillate Fuel Oil : 98.9% Natural Gas : 1.1% |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jul 1932 | Dec 2024 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 155.2 GWh | Jun 1932 | Dec 2024 | Water |
| Carpenter | Entergy Arkansas LLC | Hot Springs, AR | Midcontinent Independent System Operator, Inc. (MISO) | 102.4 GWh | Dec 1931 | Dec 2024 | Water |
| Bennetts Bridge | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 76.3 GWh | Dec 1931 | Dec 2024 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 1.0 TWh | Nov 1931 | Dec 2024 | Water |
| Prickett | Upper Peninsula Power Company | Pelkie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | Oct 1931 | Dec 2024 | Water |
| Osage Dam | Union Electric Co - (MO) | Eldon, MO | Midcontinent Independent System Operator, Inc. (MISO) | 497.1 GWh | Sep 1931 | Dec 2024 | Water |
| Rock Island | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 2.2 TWh | Sep 1931 | Aug 2025 | Water |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Jul 1931 | Apr 2024 | Water |
| Redlands Water & Power | Redlands Water & Power Company | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 7.3 GWh | Jul 1931 | Dec 2024 | Water |
| Blue Ridge | Tennessee Valley Authority | Blue Ridge, GA | Tennessee Valley Authority (TVA) | 25.6 GWh | Jun 1931 | Dec 2024 | Water |
| West Charleston | Barton Village, Inc | West Charleston, VT | ISO New England (ISNE) | 6.9 GWh | Jun 1931 | Dec 2024 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 467.3 GWh | Jun 1931 | Dec 2024 | Water |
| Ozark Beach | Empire District Electric Co | Forsyth, MO | Southwest Power Pool (SWPP) | 53.2 GWh | May 1931 | Dec 2024 | Water |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 107.7 GWh | May 1931 | Dec 2024 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 225.1 GWh | May 1931 | Dec 2024 | Water |
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 71.6 GWh | May 1931 | Dec 2024 | Water |
| Thurlow Dam | Alabama Power Co | Tallassee, AL | Southern Company Services, Inc. - Trans (SOCO) | 211.8 GWh | Dec 1930 | Dec 2024 | Water |
| Victoria Dam | Upper Peninsula Power Company | Rockland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 26.1 GWh | Dec 1930 | Dec 2024 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
| Beebee Island Hydro Plant | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 50.9 GWh | Dec 1930 | Dec 2024 | Water |
| Dexter Plant | Central Rivers Power US, LLC | Dexter, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Dec 1930 | Dec 2024 | Water |
| Yelm | City of Centralia - (WA) | Yelm, WA | Bonneville Power Administration (BPAT) | 33.7 GWh | Nov 1930 | Dec 2024 | Water |
| Cushman 2 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 179.2 GWh | Nov 1930 | Dec 2024 | Water |
| Niangua | Sho-Me Power Electric Coop | Camdenton, MO | Associated Electric Cooperative, Inc. (AECI) | 542.0 MWh | Oct 1930 | Jul 2024 | Water |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 400.5 GWh | Aug 1930 | Dec 2024 | Water |
| Louisiana Sugar Refining | Louisiana Sugar Refining LLC | Gramercy, LA | Midcontinent Independent System Operator, Inc. (MISO) | 20.4 GWh | Aug 1930 | Dec 2024 | Natural Gas |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 143.3 GWh | Jul 1930 | Dec 2024 | Water |
| Falls City | City of Falls City - (NE) | Falls City, NE | Southwest Power Pool (SWPP) | 456.0 MWh | Jul 1930 | Dec 2024 | Distillate Fuel Oil : 92.3% Natural Gas : 7.7% |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
| Pardee | East Bay Municipal Util Dist | Valley Springs, CA | California Independent System Operator (CISO) | 117.8 GWh | Jun 1930 | Dec 2024 | Water |
| Walters | Duke Energy Progress - (NC) | Waterville, NC | Duke Energy Progress East (CPLE) | 275.3 GWh | Jun 1930 | Dec 2024 | Water |
| Lake Blackshear Project | Crisp County Power Comm | Warwick, GA | Southern Company Services, Inc. - Trans (SOCO) | 36.3 GWh | Apr 1930 | Dec 2024 | Water |
| Calderwood | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 549.2 GWh | Mar 1930 | Dec 2024 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 45.7 GWh | Feb 1930 | Dec 2024 | Water |
| Garnett Municipal | City of Garnett - (KS) | Garnett, KS | Southwest Power Pool (SWPP) | 8.0 MWh | Dec 1929 | Dec 2024 | Distillate Fuel Oil |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 337.1 GWh | Dec 1929 | Dec 2024 | Water |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 7.8 GWh | Dec 1929 | Dec 2024 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | Dec 2024 | Water |
| Lighthouse Hill | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 19.2 GWh | Dec 1929 | Dec 2024 | Water |
| Flambeau Crowley Rapids Project | Renewable World Energies LLC | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Dec 1929 | Dec 2024 | Water |
| Arcadia Electric | City of Arcadia - (WI) | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 150.0 MWh | Dec 1929 | Dec 2024 | Distillate Fuel Oil : 67.3% Natural Gas : 32.7% |
| E J West | Erie Boulevard Hydropower LP | Lake Luzerne, NY | New York Independent System Operator (NYIS) | 75.4 GWh | Dec 1929 | Dec 2024 | Water |
| Kaweah 2 | Southern California Edison Co | Three Rivers, CA | California Independent System Operator (CISO) | 1.3 GWh | Aug 1929 | Dec 2024 | Water |
| Augusta Electric Plant No 1 | City of Augusta - (KS) | Augusta, KS | Southwest Power Pool (SWPP) | 6.0 MWh | Jul 1929 | Dec 2024 | Distillate Fuel Oil |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 15.6 GWh | Jan 1929 | Dec 2024 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 44.4 GWh | Jan 1929 | Dec 2024 | Water |
| 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% |
| Jordan Dam | Alabama Power Co | Wetumpka, AL | Southern Company Services, Inc. - Trans (SOCO) | 270.7 GWh | Dec 1928 | Dec 2024 | Water |
| Rockton | Eagle Creek Renewable Energy, LLC | Rockton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Dec 1928 | Dec 2024 | Water |
| Moshier | Erie Boulevard Hydropower LP | Lowville, NY | New York Independent System Operator (NYIS) | 38.1 GWh | Dec 1928 | Dec 2024 | Water |
| Port Townsend Paper | Port Townsend Paper Co | Port Townsend, WA | Bonneville Power Administration (BPAT) | 2.6 GWh | Dec 1928 | Dec 2024 | Black Liquor : 49.9% Wood/Wood Waste Solids : 35.3% Natural Gas : 11.0% Waste/Other Oil : 3.8% |
| Sappi Cloquet Mill | Sappi Cloquet LLC | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 454.6 GWh | Dec 1928 | Aug 2025 | Black Liquor : 65.4% Wood/Wood Waste Solids : 17.6% Natural Gas : 12.9% Water : 3.4% |
| Big Creek 2A | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 219.3 GWh | Jul 1928 | Aug 2025 | Water |
| High Dam | Oswego City of | Oswego, NY | New York Independent System Operator (NYIS) | 25.6 GWh | Jul 1928 | Dec 2024 | Water |
| Tillery | Duke Energy Progress - (NC) | Mount Gilead, NC | Duke Energy Progress East (CPLE) | 184.2 GWh | Jul 1928 | Dec 2024 | Water |
| Yates Dam | Alabama Power Co | Tallassee, AL | Southern Company Services, Inc. - Trans (SOCO) | 96.5 GWh | Jun 1928 | Dec 2024 | Water |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 704.0 MWh | May 1928 | Dec 2024 | Water |
| Santeetlah | Brookfield Smoky Mountain Hydropower LP | Robbinsville, NC | Tennessee Valley Authority (TVA) | 138.5 GWh | May 1928 | Dec 2024 | Water |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.6 GWh | Apr 1928 | Dec 2024 | Water |
| Oxford Dam | Duke Energy Carolinas, LLC | Conover, NC | Duke Energy Carolinas (DUK) | 91.9 GWh | Mar 1928 | Dec 2024 | Water |
| Bucks Creek | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 96.0 GWh | Feb 1928 | Mar 2024 | Water |
Summary of Power Plants By State
Figures are based on August 2025 generation numbers.| State | Rank | Active Plants | Aug 2025 Generation |
|---|---|---|---|
| Alabama | # 9 | 76 | 12,395.40 GWh |
| Alaska | # 48 | 147 | 596.38 GWh |
| Arizona | # 8 | 183 | 13,253.37 GWh |
| Arkansas | # 22 | 117 | 7,005.71 GWh |
| California | # 4 | 1,766 | 22,096.16 GWh |
| Colorado | # 30 | 303 | 5,430.16 GWh |
| Connecticut | # 33 | 168 | 4,128.16 GWh |
| Delaware | # 49 | 33 | 484.63 GWh |
| District of Columbia | # 51 | 16 | 18.64 GWh |
| Florida | # 2 | 322 | 27,311.64 GWh |
| Georgia | # 6 | 266 | 13,949.89 GWh |
| Hawaii | # 47 | 73 | 836.01 GWh |
| Idaho | # 42 | 148 | 1,815.53 GWh |
| Illinois | # 5 | 385 | 16,890.03 GWh |
| Indiana | # 15 | 212 | 9,505.71 GWh |
| Iowa | # 28 | 295 | 5,533.29 GWh |
| Kansas | # 26 | 189 | 5,907.91 GWh |
| Kentucky | # 23 | 58 | 6,905.39 GWh |
| Louisiana | # 14 | 87 | 9,976.47 GWh |
| Maine | # 45 | 217 | 1,193.54 GWh |
| Maryland | # 39 | 204 | 3,054.43 GWh |
| Massachusetts | # 41 | 652 | 2,249.14 GWh |
| Michigan | # 12 | 279 | 11,546.33 GWh |
| Minnesota | # 27 | 768 | 5,598.51 GWh |
| Mississippi | # 19 | 58 | 8,052.18 GWh |
| Missouri | # 21 | 128 | 7,016.22 GWh |
| State | Rank | Active Plants | Aug 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,504.48 GWh |
| Nebraska | # 35 | 132 | 3,820.75 GWh |
| Nevada | # 32 | 114 | 4,717.11 GWh |
| New Hampshire | # 43 | 60 | 1,704.04 GWh |
| New Jersey | # 25 | 399 | 5,993.29 GWh |
| New Mexico | # 36 | 144 | 3,535.03 GWh |
| New York | # 11 | 966 | 12,050.57 GWh |
| North Carolina | # 10 | 917 | 12,257.94 GWh |
| North Dakota | # 38 | 60 | 3,302.49 GWh |
| Ohio | # 7 | 201 | 13,774.78 GWh |
| Oklahoma | # 17 | 143 | 9,005.55 GWh |
| Oregon | # 29 | 282 | 5,502.91 GWh |
| Pennsylvania | # 3 | 260 | 22,725.21 GWh |
| Rhode Island | # 46 | 100 | 1,044.68 GWh |
| South Carolina | # 16 | 207 | 9,221.88 GWh |
| South Dakota | # 44 | 52 | 1,697.92 GWh |
| Tennessee | # 20 | 89 | 7,467.46 GWh |
| Texas | # 1 | 937 | 58,074.24 GWh |
| Utah | # 37 | 126 | 3,436.80 GWh |
| Vermont | # 50 | 120 | 183.89 GWh |
| Virginia | # 13 | 241 | 10,566.72 GWh |
| Washington | # 18 | 138 | 8,804.04 GWh |
| West Virginia | # 31 | 39 | 4,950.74 GWh |
| Wisconsin | # 24 | 251 | 6,697.49 GWh |
| Wyoming | # 34 | 73 | 3,968.05 GWh |