Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 76.0 GWh | Feb 1973 | Dec 2025 | Water |
| Pratt & Whitney | United Technologies | East Hartford, CT | ISO New England (ISNE) | 75.9 GWh | Dec 1991 | May 2026 | Natural Gas |
| Fenner Wind | CHI Energy Inc | Cazenovia, NY | New York Independent System Operator (NYIS) | 75.8 GWh | Sep 2001 | Dec 2025 | Wind |
| Hargis-Hebert Electric Generating | Lafayette Utilities System | Lafayette, LA | Midcontinent Independent System Operator, Inc. (MISO) | 75.7 GWh | May 2006 | Dec 2025 | Natural Gas |
| Berry NMW Cogens | Berry Petroleum Co | Bakersfield, CA | California Independent System Operator (CISO) | 75.7 GWh | Oct 2017 | Dec 2025 | Natural Gas |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 75.6 GWh | Nov 2019 | May 2026 | Wind |
| Big Turtle Wind Farm, LLC | DTE Sustainable Generation | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 75.6 GWh | Nov 2014 | Dec 2025 | Wind |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 75.6 GWh | Aug 1906 | Dec 2025 | Water |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 75.4 GWh | Dec 1947 | May 2026 | Natural Gas : 88.5% Distillate Fuel Oil : 11.5% |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 75.3 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Ridgewind | Ridgewind Power Partners LLC | Woodstock, MN | Midcontinent Independent System Operator, Inc. (MISO) | 75.2 GWh | Dec 2010 | Dec 2025 | Wind |
| Drop 4 | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 74.9 GWh | Jan 1941 | Dec 2025 | Water |
| Salton Sea Power Gen Co - Unit 2 | CalEnergy Operating Corporation | Calipatria, CA | Imperial Irrigation District (IID) | 74.8 GWh | Feb 1990 | Dec 2025 | Geothermal |
| Papago PV | RE Papago PV LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 74.7 GWh | - | May 2026 | Solar |
| St Paul Cogeneration | St Paul Cogeneration LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 74.5 GWh | Mar 2003 | Dec 2025 | Wood/Wood Waste Solids : 82.4% Natural Gas : 17.6% |
| Quinebaug Solar | Quinebaug Solar, LLC | Canterbury, CT | ISO New England (ISNE) | 74.3 GWh | Nov 2021 | May 2026 | Solar |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 74.3 GWh | Jan 1989 | Dec 2025 | Water |
| Centrahoma East | Peoples Electric Cooperative | Centrahoma, OK | Southwest Power Pool (SWPP) | 74.3 GWh | Jun 2019 | Dec 2025 | Natural Gas |
| SJRR (LIG) | SJRR Power LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 74.1 GWh | May 2022 | Dec 2025 | Natural Gas |
| Packwood | Energy Northwest - Packwood | Packwood, WA | Bonneville Power Administration (BPAT) | 73.8 GWh | Mar 1964 | Dec 2025 | Water |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 73.5 GWh | Mar 1985 | Dec 2025 | Water |
| Narrows PH | Yuba County Water Agency - (CA) | Grass Valley, CA | California Independent System Operator (CISO) | 73.4 GWh | Nov 1942 | Dec 2025 | Water |
| NE Renewable Springfield, LLC | NE Renewable Springfield, LLC | Springfield, NH | ISO New England (ISNE) | 73.3 GWh | Nov 1987 | Dec 2025 | Wood/Wood Waste Solids |
| Condon Windpower LLC | ALLETE Clean Energy | Condon, OR | Bonneville Power Administration (BPAT) | 73.2 GWh | Nov 2001 | Dec 2025 | Wind |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 73.2 GWh | Jan 1986 | May 2026 | Waste Heat |
| New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 73.0 GWh | Nov 2012 | May 2026 | Wind |
| Archer Daniels Midland Peoria | BioUrja Renewables LLC | Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 72.9 GWh | Dec 1987 | Dec 2025 | Natural Gas |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 72.9 GWh | Aug 1983 | May 2026 | Other Gas : 61.0% Waste Heat : 39.0% |
| Sonny Solar LLC | Pine Gate Renewables | Elberton, GA | Southern Company Services, Inc. - Trans (SOCO) | 72.8 GWh | May 2023 | May 2026 | Solar |
| Steamboat III | Steamboat Development Corp | Reno, NV | Nevada Power Company (NEVP) | 72.7 GWh | Sep 1992 | Dec 2025 | Geothermal |
| Bayway Refinery | Phillips 66 | Linden, NJ | PJM Interconnection, LLC (PJM) | 72.6 GWh | Nov 1967 | May 2026 | Waste Heat |
| NCSU Cates Cogeneration Plant | NC State University, Energy Systems | Raleigh, NC | Duke Energy Progress East (CPLE) | 72.6 GWh | Jul 2012 | Dec 2025 | Natural Gas : 95.0% Distillate Fuel Oil : 5.0% |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD - (OR) | Plymouth, WA | Bonneville Power Administration (BPAT) | 72.5 GWh | Oct 1997 | Dec 2025 | Water |
| Glen Park Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 72.4 GWh | Sep 1999 | Dec 2025 | Water |
| Generate Colchester Fuel Cells, LLC | Generate Colchester Fuel Cells, LLC | Colchester, CT | ISO New England (ISNE) | 72.4 GWh | Sep 2021 | Dec 2025 | Natural Gas |
| Cougar | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 72.3 GWh | Feb 1964 | Dec 2025 | Water |
| Lightning Dock Geothermal | Lightning Dock Geothermal HI-01, LLC | Animas, NM | Public Service Company of New Mexico (PNM) | 72.3 GWh | Nov 2013 | May 2026 | Geothermal |
| Dan E Karn | Consumers Energy Co - (MI) | Essexville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 72.3 GWh | Oct 1959 | May 2026 | Natural Gas : 93.2% Residual Fuel Oil : 6.8% |
| Ivanhoe Generation Facility | Orion Engineered Carbons | Franklin, LA | Midcontinent Independent System Operator, Inc. (MISO) | 72.2 GWh | Mar 2023 | Dec 2025 | Waste Heat |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 72.1 GWh | Sep 2014 | Dec 2025 | Solar |
| Blanchard | ALLETE, Inc. | Royalton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 72.0 GWh | Jan 1925 | Dec 2025 | Water |
| Hazlehurst III | SR Hazlehurst III, LLC | Hazlehurst, GA | Southern Company Services, Inc. - Trans (SOCO) | 71.7 GWh | Nov 2019 | May 2026 | Solar |
| SR Bell Buckle | SR Bell Buckle, LLC | Shelbyville, TN | Tennessee Valley Authority (TVA) | 71.4 GWh | Oct 2023 | May 2026 | Solar |
| CP Kelco San Diego Plant | CP Kelco US Inc. | San Diego, CA | California Independent System Operator (CISO) | 71.2 GWh | Sep 1983 | May 2026 | Natural Gas |
| Hoot Lake Solar | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 71.2 GWh | Jul 2023 | May 2026 | Solar |
| Balch 1 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 71.2 GWh | Jan 1927 | Dec 2025 | Water |
| Heritage Garden Wind Farm I LLC | DTE Sustainable Generation | Garden, MI | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 GWh | Aug 2012 | Dec 2025 | Wind |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 GWh | Sep 1960 | May 2026 | Natural Gas : 97.7% Distillate Fuel Oil : 2.3% |
| Stevenson | FirstLight Power Resources Services LLC | Monroe, CT | ISO New England (ISNE) | 70.8 GWh | Dec 1918 | Dec 2025 | Water |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 70.8 GWh | May 1914 | Nov 2025 | Water |
| Exelon LaPorte Generating Station | LaPorte Power, LLC | LaPorte, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 70.7 GWh | Jun 2001 | Dec 2025 | Natural Gas |
| FL Solar 4, LLC | Onward Energy | Tallahassee, FL | City of Tallahassee (TAL) | 70.7 GWh | Nov 2019 | May 2026 | Solar |
| Big Blue | Big Blue Wind Farm LLC (MN) | Blue Earth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 70.6 GWh | Nov 2012 | Dec 2025 | Wind |
| 85 A | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 70.6 GWh | Dec 1984 | Dec 2025 | Wind |
| OCI Alamo 4, LLC | RWE Clean Energy | Brackettville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 70.5 GWh | Jul 2014 | Dec 2025 | Solar |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 70.2 GWh | Nov 1986 | Dec 2024 | Geothermal |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 70.2 GWh | Feb 1923 | Dec 2025 | Water |
| Clayville | City of Vineland - (NJ) | Vineland, NJ | PJM Interconnection, LLC (PJM) | 70.2 GWh | Oct 2015 | Dec 2025 | Natural Gas |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 70.2 GWh | Mar 1988 | Dec 2025 | Water |
| Hayhurst Texas Solar | Hayhurst Texas Solar | Orla, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 70.1 GWh | Mar 2024 | Dec 2025 | Solar |
| Price Creek | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 69.9 GWh | - | May 2026 | Solar |
| Cornell | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 69.9 GWh | Jun 1976 | Dec 2025 | Water |
| Grazing Yak Solar | Grazing Yak Solar, LLC | Calhan, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 69.8 GWh | Oct 2019 | May 2026 | Solar |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 69.6 GWh | Feb 1982 | Dec 2025 | Water |
| SJ/SC WPCP | San Jose/Santa Clara Water P C | San Jose, CA | California Independent System Operator (CISO) | 69.4 GWh | Jan 1953 | May 2026 | Natural Gas : 54.1% Other Biomass Gas : 45.7% |
| Busch Ranch Wind Energy | Black Hills Colorado Electric, LLC | Walsenburg, CO | Public Service Company of Colorado (PSCO) | 69.4 GWh | Sep 2012 | Dec 2025 | Wind |
| Bluebell Solar | Bluebell Solar, LLC | Sterling City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 69.2 GWh | Oct 2018 | May 2026 | Solar |
| Anheuser-Busch Jacksonville | Anheuser-Busch Inc | Jacksonville, FL | JEA (JEA) | 69.2 GWh | Oct 1987 | Dec 2025 | Natural Gas |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | California Independent System Operator (CISO) | 69.2 GWh | Jan 2003 | Dec 2024 | Natural Gas |
| Mosaic Co Tampa Facility | Mosaic Company | Riverview, FL | Tampa Electric Company (TEC) | 69.1 GWh | Jul 1988 | May 2026 | Other Fuel |
| Kelly Ridge | South Feather Water and Power Agency | Oroville, CA | California Independent System Operator (CISO) | 69.1 GWh | Aug 1963 | Dec 2025 | Water |
| Robin Hollow Solar | Robin Hollow Solar, LLC | West Greenwich, RI | ISO New England (ISNE) | 68.9 GWh | Nov 2023 | May 2026 | Solar |
| Kawailoa Solar | Kawailoa Solar, LLC | Haleiwa, HI | (HECO) | 68.5 GWh | Oct 2019 | May 2026 | Solar |
| High Mesa | High Mesa Energy, LLC | King Hill, ID | Idaho Power Company (IPCO) | 68.4 GWh | Nov 2012 | May 2026 | Wind |
| SF Azalea, LLC | Idemitsu Renewables | Lost Hills, CA | California Independent System Operator (CISO) | 68.4 GWh | Nov 2025 | May 2026 | Solar |
| Rensselaer Cogen | Rensselaer Generating LLC | Rensselaer, NY | New York Independent System Operator (NYIS) | 68.3 GWh | Mar 1994 | Dec 2025 | Natural Gas : 99.8% |
| Lloyd Shoals | Georgia Power Co | Jackson, GA | Southern Company Services, Inc. - Trans (SOCO) | 68.0 GWh | Jan 1911 | Dec 2025 | Water |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 67.8 GWh | Dec 1953 | Dec 2025 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 67.6 GWh | Nov 1935 | Dec 2025 | Water |
| San Isabel Solar, LLC | San Isabel Solar, LLC | Trinidad, CO | Public Service Company of Colorado (PSCO) | 67.5 GWh | Nov 2016 | May 2026 | Solar |
| Glendo | U S Bureau of Reclamation | Glendo, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 67.3 GWh | Nov 1958 | Dec 2025 | Water |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | PJM Interconnection, LLC (PJM) | 67.3 GWh | May 1926 | 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 |
| Parnassus Central Utility Plant | University of California-San Francisco | San Francisco, CA | California Independent System Operator (CISO) | 66.7 GWh | Dec 1995 | May 2026 | Natural Gas |
| FWA Central Heat and Power Plant | Doyon Utilities - Ft. Wainwright | Fort Wainwright, AK | 66.7 GWh | Dec 1954 | Dec 2025 | Subbituminous Coal | |
| Pinckneyville | Union Electric Co - (MO) | Pinckneyville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 66.6 GWh | May 2000 | Dec 2025 | Natural Gas |
| Solar PV Development NM 18 II LLC | Solar PV Development NM 18 II LLC | Deming, NM | El Paso Electric Company (EPE) | 66.6 GWh | - | May 2026 | Solar |
| Bonnie Mine Solar | Tampa Electric Co | Bartow, FL | Tampa Electric Company (TEC) | 66.5 GWh | Dec 2018 | May 2026 | Solar |
| Big Brook | Florida Power & Light Co | Clarksville, FL | Florida Power & Light Co. (FPL) | 66.5 GWh | - | May 2026 | Solar |
| Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 66.5 GWh | Sep 2012 | Dec 2025 | Wind |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 66.5 GWh | Dec 2011 | Dec 2025 | Wind |
| Ainsworth Wind | Nebraska Public Power District | Ainsworth, NE | Southwest Power Pool (SWPP) | 66.4 GWh | Sep 2005 | Dec 2025 | Wind |
| Mojave 16/17/18 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 66.3 GWh | Nov 1989 | Dec 2025 | Wind |
| Arlington Valley Solar Energy I | RWE Clean Energy | Arlington, AZ | Arizona Public Service Company (AZPS) | 66.2 GWh | - | May 2026 | Solar |
| Altona Solar, LLC | Birch Creek Power, LLC | Centralia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 66.1 GWh | Jul 2024 | May 2026 | Solar |
| Dutch Flat | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 66.0 GWh | Feb 1943 | Dec 2025 | Water |
| Northumberland Solar | Northumberland Solar, LLC | Milton, PA | PJM Interconnection, LLC (PJM) | 65.9 GWh | Jun 2025 | May 2026 | Solar |
| Oak Tree Energy | RWE Clean Energy | Clark, SD | Southwest Power Pool (SWPP) | 65.8 GWh | Nov 2014 | Dec 2025 | Wind |
| Lordsburg Generating | Public Service Co of NM | Lordsburg, NM | Public Service Company of New Mexico (PNM) | 65.8 GWh | May 2002 | Dec 2025 | Natural Gas |
| Alamo | California Dept. of Water Resources | Pearblossom, CA | California Independent System Operator (CISO) | 65.7 GWh | Jun 1986 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |