Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Procter & Gamble Mehoopany Mill | Procter & Gamble Ppr Prdts Co | Mehoopany, PA | PJM Interconnection, LLC (PJM) | 761.4 GWh | Sep 1984 | Dec 2025 | Natural Gas |
| Wheelabrator Westchester | Wheelabrator Environmental Systems | Peekskill, NY | New York Independent System Operator (NYIS) | 389.1 GWh | Sep 1984 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Sagamore Plant Cogeneration | Tate & Lyle Ingredients Americas Inc | Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 19.8 GWh | Sep 1984 | May 2026 | Natural Gas |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 313.4 GWh | Oct 1984 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Mesa Wind Power LLC | Mesa Wind Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 113.7 GWh | Oct 1984 | May 2026 | Wind |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 565.0 MWh | Oct 1984 | Dec 2025 | Water |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 49.4 GWh | Oct 1984 | Dec 2025 | Water |
| Clarence Cannon | USCE-St Louis District | Monroe City, MO | Associated Electric Cooperative, Inc. (AECI) | 118.9 GWh | Oct 1984 | May 2026 | Water |
| Keahole | Hawaii Electric Light Co Inc | Kailua Kona, HI | 269.5 GWh | Oct 1984 | May 2026 | Distillate Fuel Oil | |
| Shungnak | Alaska Village Elec Coop, Inc | Shungnak, AK | 1.6 GWh | Oct 1984 | Dec 2025 | Distillate Fuel Oil | |
| Callaway | Union Electric Co - (MO) | Fulton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 TWh | Nov 1984 | May 2026 | Nuclear |
| Rockport | Indiana Michigan Power Co | Rockport, IN | PJM Interconnection, LLC (PJM) | 9.4 TWh | Nov 1984 | May 2026 | Subbituminous Coal : 96.3% Bituminous Coal : 3.3% |
| Tehachapi Wind Resource I | CalWind Resources Inc | Tehachapi, CA | California Independent System Operator (CISO) | 12.3 GWh | Nov 1984 | Dec 2025 | Wind |
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 7.1 GWh | Nov 1984 | Oct 2025 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.3 GWh | Nov 1984 | Oct 2025 | Water |
| Bayou Cogen Plant | Air Liquide Large Industries U S LP | Pasadena, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.3 TWh | Nov 1984 | May 2026 | Natural Gas : 92.8% Other Gas : 7.2% |
| Sunray 2 | Sunray Energy 2, LLC | Daggett, CA | California Independent System Operator (CISO) | 54.6 GWh | Nov 1984 | Dec 2025 | Solar |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| San Jose Cogeneration | San Jose State University Fclts Dev &Ops | San Jose, CA | California Independent System Operator (CISO) | 35.4 GWh | Nov 1984 | May 2026 | Natural Gas |
| Cameron Ridge LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 148.0 GWh | Nov 1984 | Dec 2025 | Wind |
| Williams Ignacio Natural Gas Plant | Harvest Midstream Co | Durango, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 47.1 GWh | Nov 1984 | May 2026 | Waste Heat |
| PCS Phosphate | PCS Phosphate | Aurora, NC | Duke Energy Progress East (CPLE) | 225.5 GWh | Nov 1984 | May 2026 | Waste Heat |
| Fort Miller Hydroelectric Facility | Albany Engineering Corporation | Northumberland, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Nov 1984 | Dec 2025 | Water |
| Falls Creek | Eagle Creek Renewable Energy, LLC | Cascadia, OR | PacifiCorp West (PACW) | 11.8 GWh | Nov 1984 | Dec 2025 | Water |
| Naval Submarine Base Kings Bay | Kings Bay Naval Base | Kings Bay, GA | Southern Company Services, Inc. - Trans (SOCO) | 340.0 MWh | Nov 1984 | May 2026 | Distillate Fuel Oil |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 2.1 GWh | Nov 1984 | Oct 2025 | Water |
| Salmon Creek 1 | Alaska Electric Light & Power Co. | Juneau, AK | 30.9 GWh | Nov 1984 | Dec 2025 | Water | |
| Terror Lake Microgrid | Kodiak Electric Assn Inc | Kodiak, AK | 147.3 GWh | Nov 1984 | Dec 2025 | Water | |
| Columbia Generating Station | Energy Northwest- Columbia | Richland, WA | Bonneville Power Administration (BPAT) | 9.1 TWh | Nov 1984 | May 2026 | Nuclear |
| Upper Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1984 | Dec 2025 | Water |
| Karen Avenue Wind Farm | San Gorgonio Farms Inc | North Palm Springs, CA | California Independent System Operator (CISO) | 26.0 GWh | Dec 1984 | Dec 2025 | Wind |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 38.0 GWh | Dec 1984 | May 2026 | Water |
| San Antonio Regional Hospital | San Antonio Regional Hospital | Upland, CA | California Independent System Operator (CISO) | 12.7 GWh | Dec 1984 | Dec 2025 | Natural Gas |
| 85 A | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 70.6 GWh | Dec 1984 | Dec 2025 | Wind |
| 85 B | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 93.2 GWh | Dec 1984 | Dec 2025 | Wind |
| Opal Springs Hydro | Deschutes Valley Water District | Culver, OR | PacifiCorp West (PACW) | 28.0 GWh | Dec 1984 | Dec 2025 | Water |
| Richard B Russell | USCE-Savannah District | Elberton, GA | Southeastern Power Administration (SEPA) | 183.2 GWh | Dec 1984 | May 2026 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 391.2 GWh | Dec 1984 | Oct 2025 | Water |
| Packaging Corp of America | Packaging Corp of America | Counce, TN | Tennessee Valley Authority (TVA) | 427.9 GWh | Jan 1985 | May 2026 | Black Liquor : 59.4% Wood/Wood Waste Solids : 22.4% Natural Gas : 18.2% |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 1.8 GWh | Jan 1985 | Jun 2025 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jan 1985 | Aug 2025 | Water |
| Sacramento Municipal Util Dist | South Sutter Water District | Sacramento, CA | California Independent System Operator (CISO) | 14.2 GWh | Jan 1985 | Dec 2025 | Water |
| Scott Flat | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 3.8 GWh | Jan 1985 | Oct 2025 | Water |
| Lakefield Utilities | City of Lakefield - (MN) | Lakefield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Jan 1985 | Dec 2025 | Distillate Fuel Oil |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | South Carolina Public Service Authority (SC) | 161.1 GWh | Feb 1985 | Dec 2025 | Water |
| Sartell Dam | Eagle Creek Renewable Energy, LLC | Sartell, MN | Midcontinent Independent System Operator, Inc. (MISO) | 30.4 GWh | Feb 1985 | Dec 2025 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 3.2 GWh | Feb 1985 | Oct 2025 | Water |
| Metro Wastewater Reclamation District | ENGIE Denver Metro LLC | Denver, CO | Public Service Company of Colorado (PSCO) | 36.4 GWh | Mar 1985 | May 2026 | Other Biomass Gas |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 73.5 GWh | Mar 1985 | Dec 2025 | Water |
| Missouri River Wastewater Treatment | City of Omaha - (NE) | Omaha, NE | Southwest Power Pool (SWPP) | 10.2 GWh | Mar 1985 | May 2026 | Other Biomass Gas : 99.8% |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 7.4 GWh | Apr 1985 | May 2026 | Natural Gas |
| Municipal Cogen Plant | Palm Springs, City of - (CA) | Palm Springs, CA | California Independent System Operator (CISO) | 7.3 GWh | Apr 1985 | May 2026 | Natural Gas |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 240.5 GWh | Apr 1985 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Formosa Plastics | Formosa Plastics Corp | Baton Rouge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 416.2 GWh | Apr 1985 | Dec 2025 | Natural Gas |
| Diablo Canyon | Pacific Gas & Electric Co. | Avila Beach, CA | California Independent System Operator (CISO) | 18.4 TWh | Apr 1985 | May 2026 | Nuclear |
| Energy Center Dover | Cartier Energy, LLC | Dover, DE | PJM Interconnection, LLC (PJM) | 105.0 GWh | Apr 1985 | May 2026 | Natural Gas : 97.5% Distillate Fuel Oil : 2.5% |
| Foothills Hydro Plant | Denver City & County-Foothills - (CO) | Littleton, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.7 GWh | Apr 1985 | Sep 2025 | Water |
| Catawba | Duke Energy Carolinas, LLC | York, SC | Duke Energy Carolinas (DUK) | 18.3 TWh | May 1985 | May 2026 | Nuclear |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | May 2026 | Subbituminous Coal : 99.3% |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 247.7 GWh | May 1985 | May 2026 | Natural Gas |
| Gas Utilization Facility | City of San Diego - (CA) | San Diego, CA | California Independent System Operator (CISO) | 28.7 GWh | May 1985 | May 2026 | Other Biomass Gas |
| McKay Bay Facility | City of Tampa (FL) | Tampa, FL | Tampa Electric Company (TEC) | 86.2 GWh | May 1985 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 7.4 GWh | May 1985 | May 2026 | Water |
| Heber Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 376.3 GWh | May 1985 | Dec 2025 | Geothermal |
| Wellesley College Central Utility Plant | Wellesley College | Wellesley, MA | ISO New England (ISNE) | 9.6 GWh | May 1985 | Dec 2025 | Natural Gas |
| Jones Fork | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 14.9 GWh | May 1985 | Dec 2025 | Water |
| Grand Gulf | System Energy Resources, Inc | Port Gibson, MS | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 TWh | Jun 1985 | May 2026 | Nuclear |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Jun 1985 | Dec 2025 | Water |
| Dolgeville Hydro | EONY Generation Limited | Dolgeville, NY | New York Independent System Operator (NYIS) | 11.0 GWh | Jun 1985 | Dec 2025 | Water |
| Geismar | BASF Corporation | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 625.6 GWh | Jun 1985 | Dec 2025 | Natural Gas : 85.5% Other Gas : 14.5% |
| Kern River Cogeneration | Kern River Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 100.3 GWh | Jun 1985 | May 2026 | Natural Gas |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.1 GWh | Jun 1985 | Jun 2025 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 498.0 MWh | Jun 1985 | 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 |
| Valley Falls Hydroelectric Facility | Albany Engineering Corporation | Valley Falls, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jul 1985 | Dec 2025 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2025 | Water |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 180.5 GWh | Jul 1985 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Clifton Dam 3 Power Station | Converse Energy Inc | Converse, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jul 1985 | Dec 2024 | Water |
| WWTP Power Generation Station | East Bay Municipal Util Dist - (CA) | Oakland, CA | California Independent System Operator (CISO) | 31.2 GWh | Jul 1985 | May 2026 | Other Biomass Gas : 98.9% Distillate Fuel Oil : 1.1% |
| Wolf Creek Generating Station | Wolf Creek Nuclear Optg Corp | Burlington, KS | Southwest Power Pool (SWPP) | 9.3 TWh | Aug 1985 | May 2026 | Nuclear |
| Waterford 3 | Entergy Louisiana LLC | Killona, LA | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 TWh | Aug 1985 | May 2026 | Nuclear |
| Byron Generating Station | Constellation Nuclear | Byron, IL | PJM Interconnection, LLC (PJM) | 19.6 TWh | Aug 1985 | May 2026 | Nuclear |
| Wrightsville Hydro Plant | Washington Electric Coop - (VT) | Montpelier, VT | ISO New England (ISNE) | 374.0 MWh | Aug 1985 | Dec 2025 | Water |
| Basalt | City of Aspen- (CO) | Aspen, CO | Public Service Company of Colorado (PSCO) | 13.5 GWh | Aug 1985 | Dec 2025 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 696.0 MWh | Aug 1985 | Nov 2025 | Water |
| Chanute 3 | City of Chanute (KS) | Chanute, KS | Southwest Power Pool (SWPP) | 331.0 MWh | Sep 1985 | Dec 2025 | Natural Gas : 78.6% Distillate Fuel Oil : 21.4% |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.0 GWh | Sep 1985 | Dec 2025 | Water |
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | ISO New England (ISNE) | 60.8 GWh | Sep 1985 | Dec 2025 | Water |
| Billerud Quinnesec Mill | Billerud Quinnesec Mill | Norway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 318.3 GWh | Sep 1985 | Dec 2025 | Black Liquor : 64.2% Wood/Wood Waste Solids : 32.7% Natural Gas : 3.1% |
| Lost Hills Cogeneration Plant | AERA Energy LLC | Lost Hills, CA | California Independent System Operator (CISO) | 7.5 GWh | Sep 1985 | Dec 2025 | Natural Gas |
| Curtis Palmer Hydroelectric | Palmer Hydroelectric | Corinth, NY | New York Independent System Operator (NYIS) | 276.6 GWh | Sep 1985 | Dec 2025 | Water |
| Tok | Alaska Power and Telephone Co | Tok, AK | 11.4 GWh | Sep 1985 | Dec 2024 | Distillate Fuel Oil | |
| Quincy Chute | Columbia Basin Hydropower | Quincy, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 32.6 GWh | Sep 1985 | Oct 2025 | Water |
| Power Island | INEOS USA LLC | Alvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 907.8 GWh | Oct 1985 | Dec 2025 | Natural Gas |
| Nalco | Nalco Co | Naperville, IL | PJM Interconnection, LLC (PJM) | 20.3 GWh | Oct 1985 | Dec 2024 | Natural Gas |
| Sugarloaf Hydro Plant | Eagle Creek Renewable Energy, LLC | Leadville, CO | Public Service Company of Colorado (PSCO) | 5.4 GWh | Oct 1985 | Oct 2025 | Water |
| Painted Hills Wind Park | Terra-Gen Operating Co-Wind | Whitewater, CA | California Independent System Operator (CISO) | 158.0 GWh | Oct 1985 | May 2026 | Wind |
| Odyssey Energy Altura Cogen, LLC | Odyssey Operating Services | Channelview, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.4 TWh | Oct 1985 | May 2026 | Natural Gas |
| Mine Falls Generating Station | City of Nashua - (NH) | Nashua, NH | ISO New England (ISNE) | 9.1 GWh | Nov 1985 | 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 |