Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| PPG Plant C Caustic | Westlake 2 US LLC | Lake Charles, LA | Midcontinent Independent System Operator, Inc. (MISO) | 14.2 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | California Independent System Operator (CISO) | 101.9 GWh | Sep 1986 | May 2026 | Wood/Wood Waste Solids : 98.5% Gaseous Propane : 1.5% |
| Coalinga 25D Cogen | Chevron USA Inc | Coalinga, CA | California Independent System Operator (CISO) | 38.9 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 3.0 GWh | Sep 1986 | Dec 2025 | Water |
| Phelps Dodge Refining | Phelps Dodge Refining Corp | El Paso, TX | El Paso Electric Company (EPE) | 59.2 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 14.2 GWh | Aug 1986 | Dec 2025 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 54.0 MWh | Aug 1986 | Oct 2025 | Water |
| Power Station 4 | South Houston Green Power LLC | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 516.8 GWh | Aug 1986 | Dec 2025 | Natural Gas |
| Nikiski Combined Cycle | Homer Electric Assn Inc | Nikiski, AK | 445.0 GWh | Aug 1986 | Dec 2025 | Natural Gas | |
| Whiskeytown | City of Redding - (CA) | Whiskeytown, CA | Balancing Authority of Northern California (BANC) | 10.5 GWh | Aug 1986 | Dec 2025 | Water |
| Whitehead | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 11.4 GWh | Jul 1986 | Dec 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Tallassee Hydro Project | Tallassee Shoals LLC | Clarke, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.9 GWh | Jul 1986 | May 2026 | Water |
| NSB Atqasuk Utility | North Slope Borough Power & Light (AK) | Atqasuk, AK | 3.4 GWh | Jul 1986 | Dec 2025 | Distillate Fuel Oil | |
| Paxton Creek Cogeneration | Energy Center Paxton LLC | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 2.1 GWh | Jul 1986 | Dec 2025 | Distillate Fuel Oil : 57.8% Natural Gas : 42.2% |
| Covanta Marion Inc | Covanta Marion Inc | Brooks, OR | Portland General Electric Company (PGE) | 53.0 GWh | Jul 1986 | Dec 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Simplot Phosphates | Simplot Phosphates LLC | Rock Springs, WY | PacifiCorp East (PACE) | 100.1 GWh | Jul 1986 | May 2026 | Other Fuel : 89.4% Natural Gas : 10.6% |
| Alliant SBD 8602 Marion Sub | Industrial Energy Applications Inc | Marion, IA | Midcontinent Independent System Operator, Inc. (MISO) | 30.4 MWh | Jul 1986 | Dec 2025 | Distillate Fuel Oil |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.1 GWh | Jun 1986 | Dec 2025 | Water |
| Cymric 6Z Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 26.6 GWh | Jun 1986 | Dec 2025 | Natural Gas |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 2.7 GWh | Jun 1986 | Dec 2025 | Water |
| Strontia Springs Hydro Plant | Denver City & County of - (CO) | Littleton, CO | Public Service Company of Colorado (PSCO) | 6.7 GWh | Jun 1986 | Dec 2025 | Water |
| Alamo | California Dept. of Water Resources | Pearblossom, CA | California Independent System Operator (CISO) | 65.7 GWh | Jun 1986 | Dec 2025 | Water |
| Bear Valley | City of Escondido - (CA) | Escondido, CA | California Independent System Operator (CISO) | 2.7 GWh | May 1986 | Aug 2025 | Water |
| Chillicothe | Chillicothe Municipal Utils (MO) | Chillicothe, MO | Southwest Power Pool (SWPP) | 2.9 GWh | May 1986 | Dec 2025 | Natural Gas : 92.5% Distillate Fuel Oil : 7.5% |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 6.8 GWh | May 1986 | Dec 2025 | Water |
| Box Canyon Dam | Siskiyou Power Authority | Mount Shasta, CA | PacifiCorp West (PACW) | 22.5 GWh | May 1986 | Dec 2025 | Water |
| Toledo Ref Power Recovery Train | Toledo Refining Company | Oregon, OH | PJM Interconnection, LLC (PJM) | 81.5 MWh | May 1986 | Jul 2025 | Petroleum Coke |
| River Bend | Entergy Louisiana LLC | St. Francisville, LA | Midcontinent Independent System Operator, Inc. (MISO) | 8.3 TWh | May 1986 | May 2026 | Nuclear |
| Intermountain Power Project | Los Angeles Department of Water & Power | Delta, UT | Los Angeles Department of Water and Power (LDWP) | 4.8 TWh | May 1986 | May 2026 | Natural Gas : 60.1% Bituminous Coal : 39.8% |
| Gianera | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 15.1 GWh | May 1986 | Dec 2025 | Natural Gas |
| Alameda | Northern California Power Agny | Alameda, CA | California Independent System Operator (CISO) | 3.0 GWh | Apr 1986 | Dec 2025 | Natural Gas |
| Bonanza | Deseret Generation & Tran Coop | Vernal, UT | PacifiCorp East (PACE) | 2.6 TWh | Apr 1986 | May 2026 | Bituminous Coal : 98.8% Solar : 1.1% |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 82.5 GWh | Apr 1986 | Dec 2025 | Water |
| Chester Operations | Kimberly-Clark Corp | Chester, PA | PJM Interconnection, LLC (PJM) | 172.2 GWh | Apr 1986 | Dec 2024 | Natural Gas |
| ExxonMobil Oil Joliet Refinery | ExxonMobil Oil Corp | Channahon, IL | PJM Interconnection, LLC (PJM) | 188.2 GWh | Apr 1986 | May 2026 | Other Gas |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.3 GWh | Apr 1986 | Dec 2025 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 3.8 GWh | Mar 1986 | Dec 2025 | Water |
| US Gypsum Oakfield | U S Gypsum Co | Oakfield, NY | New York Independent System Operator (NYIS) | 17.2 GWh | Mar 1986 | Dec 2025 | Natural Gas |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 1.9 GWh | Mar 1986 | Dec 2025 | Water |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 7.8 GWh | Mar 1986 | Oct 2025 | Water |
| Toadtown | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 1.8 GWh | Mar 1986 | Oct 2025 | Water |
| Stony Gorge | City of Santa Clara - (CA) | Elk Creek, CA | California Independent System Operator (CISO) | 8.9 GWh | Mar 1986 | Dec 2025 | Water |
| Roseville Power Plant #2 | City of Roseville - (CA) | Rocklin, CA | Balancing Authority of Northern California (BANC) | 569.0 MWh | Mar 1986 | Dec 2025 | Natural Gas : 99.9% |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 10.4 GWh | Mar 1986 | Dec 2025 | Water |
| Whitewater Hydro Plant | Desert Water Agency | California, CA | California Independent System Operator (CISO) | 4.9 GWh | Mar 1986 | Dec 2025 | Water |
| Hydro II | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 15.6 GWh | Feb 1986 | Dec 2025 | Water |
| San Dimas Wash Generating Station | San Gabriel Valley Mun Wtr Dt | San Dimas, CA | California Independent System Operator (CISO) | 1.2 GWh | Feb 1986 | Sep 2025 | Water |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.0 GWh | Feb 1986 | Dec 2025 | Water |
| Oxnard Paper Mill | New-Indy, Oxnard LLC | Oxnard, CA | California Independent System Operator (CISO) | 150.5 GWh | Feb 1986 | May 2026 | Natural Gas |
| McClellan (CA) | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 1.2 GWh | Feb 1986 | Dec 2025 | Natural Gas |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 73.2 GWh | Jan 1986 | May 2026 | Waste Heat |
| Oswego County Energy Recovery | Oswego County - (NY) | Fulton, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jan 1986 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Limerick | Constellation Nuclear | Sanatoga, PA | PJM Interconnection, LLC (PJM) | 19.4 TWh | Jan 1986 | May 2026 | Nuclear |
| Lodi | Northern California Power Agny | Lodi, CA | California Independent System Operator (CISO) | 1.9 GWh | Jan 1986 | Dec 2025 | Natural Gas |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 31.2 TWh | Dec 1985 | May 2026 | Nuclear |
| Talcville | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 616.0 MWh | Dec 1985 | Dec 2025 | Water |
| Total Energy Facilities | Los Angeles County Sanitation | Carson, CA | California Independent System Operator (CISO) | 156.5 GWh | Dec 1985 | Dec 2025 | Other Biomass Gas : 94.7% Natural Gas : 5.3% |
| Copper Dam Plant | Farmer's Irrigation District | Hood River, OR | PacifiCorp West (PACW) | 14.6 GWh | Dec 1985 | Dec 2025 | Water |
| Rice University | Rice University | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 19.0 GWh | Dec 1985 | Dec 2025 | Natural Gas |
| Emporia | Emporia Hydro Power LP | Emporia, VA | PJM Interconnection, LLC (PJM) | 5.5 GWh | Dec 1985 | Dec 2025 | Water |
| Toyon Power Station | Toyon Landfill Gas Conversion, LLC | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 5.0 GWh | Dec 1985 | Dec 2025 | Landfill Gas |
| Mine Falls Generating Station | City of Nashua - (NH) | Nashua, NH | ISO New England (ISNE) | 9.1 GWh | Nov 1985 | Dec 2025 | Water |
| Beowawe | Ormat Nevada Inc | Beowawe, NV | Nevada Power Company (NEVP) | 167.1 GWh | Nov 1985 | Dec 2025 | Geothermal |
| Sunray 3 | Sunray Energy 3 LLC | Daggett, CA | California Independent System Operator (CISO) | 37.2 GWh | Nov 1985 | Dec 2025 | Solar |
| Collins Pine Project | Collins Pine Co | Chester, CA | California Independent System Operator (CISO) | 15.3 GWh | Nov 1985 | Dec 2025 | Wood/Wood Waste Solids |
| Port Leyden Hydroelectric Project | Lyonsdale Hydroelectric Co., Inc. | Port Leyden, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Nov 1985 | Dec 2025 | Water |
| Biomass One LP | Biomass One LP | White City, OR | PacifiCorp West (PACW) | 199.2 GWh | Nov 1985 | Dec 2025 | Wood/Wood Waste Solids |
| Vulcan-BN Geothermal Power Company | CalEnergy Operating Corporation | Calipatria, CA | Imperial Irrigation District (IID) | 232.2 GWh | Nov 1985 | Dec 2025 | Geothermal |
| Rocky Brook Hydroelectric | Rocky Brook Electric Inc | Brinnon, WA | Bonneville Power Administration (BPAT) | 464.0 MWh | Nov 1985 | May 2025 | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 6.7 GWh | Nov 1985 | Dec 2025 | Water |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 7.7 GWh | Nov 1985 | Dec 2025 | Water |
| Metro Gas Recovery | WM Renewable Energy LLC | Franklin, WI | Midcontinent Independent System Operator, Inc. (MISO) | 41.2 GWh | Nov 1985 | Dec 2025 | Landfill Gas |
| Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 77.8 GWh | Nov 1985 | May 2026 | Landfill Gas |
| Mosaic Co Bartow Facility | Mosaic Company | Bartow, FL | Tampa Electric Company (TEC) | 193.5 GWh | Nov 1985 | May 2026 | Waste Heat |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | California Independent System Operator (CISO) | 473.9 GWh | Nov 1985 | May 2026 | Natural Gas |
| Great Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Paterson, NJ | PJM Interconnection, LLC (PJM) | 6.3 GWh | Nov 1985 | Oct 2025 | Water |
| Coram Energy LLC (4.5MW) | Nextera Energy Resources | Tehachapi, CA | California Independent System Operator (CISO) | 9.0 GWh | Nov 1985 | Dec 2025 | Wind |
| Ingredion Winston Salem | Ingredion Inc - Winston Salem | Winston-Salem, NC | Duke Energy Carolinas (DUK) | 28.8 GWh | Nov 1985 | Dec 2025 | Wood/Wood Waste Solids : 73.7% Natural Gas : 23.8% Bituminous Coal : 2.5% |
| Geothermal 2 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 363.4 GWh | Nov 1985 | Apr 2026 | Geothermal |
| Limestone | NRG Texas Power LLC | Jewett, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 7.0 TWh | Nov 1985 | May 2026 | Subbituminous Coal : 99.3% Natural Gas : 0.7% |
| Gambell | Alaska Village Elec Coop, Inc | Gambell, AK | 2.4 GWh | Nov 1985 | Dec 2025 | Distillate Fuel Oil | |
| ZCO | Wind Stream Operations LLC | Tehachapi, CA | California Independent System Operator (CISO) | 1.4 GWh | Nov 1985 | Dec 2024 | Wind |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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 |