Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Glenwood Landing | National Grid Generation LLC | Glenwood Landing, NY | New York Independent System Operator (NYIS) | 129.2 GWh | Mar 1967 | Dec 2024 | Natural Gas : 84.2% Distillate Fuel Oil : 15.8% |
| LaO Energy Systems | Dow Chemical Co | Plaquemine, LA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | May 1958 | Dec 2024 | Natural Gas : 84.1% Other Gas : 15.9% |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 250.8 GWh | Dec 1971 | Dec 2025 | Natural Gas : 84.1% Distillate Fuel Oil : 15.9% |
| Williams College - Campus CHP | President & Trustees of Williams College | Williamstown, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2003 | Dec 2024 | Natural Gas : 84.0% Distillate Fuel Oil : 16.0% |
| Georgia-Pacific Muskogee | Georgia-Pacific Muskogee LLC | Muskogee, OK | Southwest Power Pool (SWPP) | 368.8 GWh | Feb 1978 | Dec 2025 | Natural Gas : 83.7% Subbituminous Coal : 16.3% |
| Shell Deer Park | Deer Park Refinery Limited Partnership (DPRLP) | Deer Park, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.1 TWh | Sep 1979 | Dec 2025 | Natural Gas : 83.1% Other Gas : 9.4% Purchased Steam : 7.5% |
| Poet Bioprocessing Emmetsburg | Poet Bioprocessing Emmetsburg | Emmetsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 18.0 GWh | Nov 2023 | Dec 2024 | Natural Gas : 83.1% Other Biomass Solids : 16.9% |
| Kingman Municipal Power and Light Plant | City of Kingman - (KS) | Kingman, KS | Southwest Power Pool (SWPP) | 1.6 GWh | Mar 1962 | Dec 2024 | Natural Gas : 83.1% Distillate Fuel Oil : 16.9% |
| Greenwood (MO) | Evergy Missouri West | Greenwood, MO | Southwest Power Pool (SWPP) | 51.1 GWh | Apr 1975 | Dec 2025 | Natural Gas : 83.0% Distillate Fuel Oil : 9.6% Solar : 7.4% |
| POET Biorefining Lake Crystal | POET Biorefining Lake Crystal | Lake Crystal, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | Mar 2005 | Dec 2025 | Natural Gas : 82.6% Distillate Fuel Oil : 17.4% |
| Franklin Heating Station | Franklin Heating Station | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 64.9 GWh | Dec 1950 | Dec 2025 | Natural Gas : 82.5% Purchased Steam : 16.2% Distillate Fuel Oil : 1.3% |
| CSUF Trigeneration | California State University at Fullerton | Fullerton, CA | California Independent System Operator (CISO) | 36.7 GWh | Sep 2010 | Dec 2025 | Natural Gas : 82.3% Solar : 17.7% |
| Victor J Daniel Jr | Mississippi Power Co | Escatawpa, MS | Southern Company Services, Inc. - Trans (SOCO) | 10.1 TWh | Aug 1977 | Dec 2025 | Natural Gas : 82.0% Subbituminous Coal : 17.1% Bituminous Coal : 0.8% |
| C W Burdick | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 4.8 GWh | Sep 1957 | Dec 2024 | Natural Gas : 81.9% Distillate Fuel Oil : 18.1% |
| Delaware City Plant | Delaware City Refining Company LLC | Delaware City, DE | PJM Interconnection, LLC (PJM) | 1.1 TWh | Sep 1956 | Dec 2025 | Natural Gas : 81.8% Other Gas : 18.2% |
| Eddystone Generating Station | Constellation Power, Inc | Eddystone, PA | PJM Interconnection, LLC (PJM) | 60.8 GWh | Apr 1967 | Dec 2024 | Natural Gas : 81.6% Distillate Fuel Oil : 18.4% |
| Roseton Generating Facility | CCI Roseton LLC | Newsburgh, NY | New York Independent System Operator (NYIS) | 676.1 GWh | Aug 1974 | Dec 2025 | Natural Gas : 81.5% Residual Fuel Oil : 18.5% |
| Charles P Keller | Village of Rockville Centre - (NY) | Rockville Centre, NY | New York Independent System Operator (NYIS) | 123.0 MWh | Dec 1941 | Dec 2024 | Natural Gas : 81.4% Distillate Fuel Oil : 18.6% |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.2 TWh | Jan 1963 | Dec 2025 | Natural Gas : 81.3% Subbituminous Coal : 18.7% |
| Santa Rita Jail Hybrid | County of Alameda GSA | Dublin, CA | California Independent System Operator (CISO) | 13.1 GWh | Aug 2001 | Dec 2023 | Natural Gas : 80.9% Solar : 19.1% |
| Augusta Electric Plant No 2 | City of Augusta - (KS) | Augusta, KS | Southwest Power Pool (SWPP) | 1.6 GWh | Jun 1968 | Dec 2024 | Natural Gas : 80.8% Distillate Fuel Oil : 19.2% |
| MMSD Jones Island Wastewater | Milwaukee Metro Sewerage Dist | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 79.8 GWh | Dec 1970 | Dec 2025 | Natural Gas : 80.4% Landfill Gas : 18.4% Distillate Fuel Oil : 1.2% |
| International Paper Riverdale Mill | International Paper Co-Riverdl | Selma, AL | Southern Company Services, Inc. - Trans (SOCO) | 562.2 GWh | Dec 1966 | Dec 2024 | Natural Gas : 80.4% Black Liquor : 19.6% |
| Univ of Oregon Central Power Station | University of Oregon | Eugene, OR | Bonneville Power Administration (BPAT) | 936.8 MWh | Aug 2009 | Dec 2024 | Natural Gas : 80.2% Distillate Fuel Oil : 19.8% |
| Terry Bundy Generating Station | Lincoln Electric System | Lincoln, NE | Southwest Power Pool (SWPP) | 136.0 GWh | Jul 2003 | Dec 2025 | Natural Gas : 80.0% Landfill Gas : 18.8% Distillate Fuel Oil : 1.2% |
| Decorative Panels Intl | Decorative Panels International, Inc. | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 42.9 GWh | Oct 1957 | Dec 2023 | Natural Gas : 79.6% Wood/Wood Waste Solids : 20.4% |
| Biron Mill | ND Paper, Inc. | Wisconsin Rapids, WI | Midcontinent Independent System Operator, Inc. (MISO) | 95.7 GWh | Aug 1947 | Dec 2024 | Natural Gas : 79.6% Subbituminous Coal : 20.4% |
| Lake Road (MO) | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 49.6 GWh | Jun 1950 | Dec 2025 | Natural Gas : 79.3% Subbituminous Coal : 16.5% Distillate Fuel Oil : 4.2% |
| Rokeby | Lincoln Electric System | Lincoln, NE | Southwest Power Pool (SWPP) | 22.8 GWh | Jun 1975 | Dec 2024 | Natural Gas : 78.8% Distillate Fuel Oil : 21.2% |
| Waters River | City of Peabody - (MA) | Peabody, MA | ISO New England (ISNE) | 4.8 GWh | Nov 1971 | Nov 2024 | Natural Gas : 78.8% Distillate Fuel Oil : 21.2% |
| Frederickson | Puget Sound Energy Inc | Tacoma, WA | Puget Sound Energy, Inc. (PSEI) | 87.8 GWh | Oct 1981 | Dec 2024 | Natural Gas : 78.5% Distillate Fuel Oil : 21.5% |
| Carlls Corner | Calpine New Jersey Generation LLC | Upper Deerfield Twp, NJ | PJM Interconnection, LLC (PJM) | 5.9 GWh | Mar 1973 | Jun 2024 | Natural Gas : 78.1% Kerosene : 21.9% |
| Meade | City of Meade - (KS) | Meade, KS | Southwest Power Pool (SWPP) | 85.0 MWh | Dec 1950 | Dec 2024 | Natural Gas : 77.8% Distillate Fuel Oil : 22.2% |
| Ellinwood | City of Ellinwood - (KS) | Ellinwood, KS | Southwest Power Pool (SWPP) | 118.0 MWh | May 1948 | Dec 2024 | Natural Gas : 77.6% Distillate Fuel Oil : 22.4% |
| Hutchinson Energy Center | Evergy Kansas Central, Inc | Hutchinson, KS | Southwest Power Pool (SWPP) | 29.1 GWh | Apr 1965 | Dec 2024 | Natural Gas : 77.6% Distillate Fuel Oil : 22.4% |
| Cope | Dominion Energy South Carolina, Inc | Cope, SC | Dominion Energy South Carolina, Inc. (SCEG) | 1.7 TWh | Dec 1995 | Dec 2025 | Natural Gas : 77.4% Bituminous Coal : 22.6% |
| Rapids Energy Center | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 40.2 GWh | Dec 1942 | Dec 2024 | Natural Gas : 77.3% Water : 22.7% |
| Sierra Nevada Brewing Co Hybrid | Sierra Nevada Brewing Co | Chico, CA | California Independent System Operator (CISO) | 9.6 GWh | Apr 2005 | Dec 2024 | Natural Gas : 76.8% Solar : 21.6% Other Biomass Gas : 1.6% |
| MU Combined Heat and Power Plant | Curators of the University of Missouri | Columbia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 204.7 GWh | Jun 1961 | Dec 2025 | Natural Gas : 76.4% Wood/Wood Waste Solids : 21.1% Bituminous Coal : 2.5% |
| Watson Cogeneration | ARCO Products Co-Watson | Carson, CA | California Independent System Operator (CISO) | 2.3 TWh | Nov 1987 | Dec 2025 | Natural Gas : 76.4% Other Gas : 22.7% Waste/Other Oil : 0.9% |
| Domtar Kingsport Mill | Domtar Paper Co LLC Kingsport Mill | Kingsport, TN | Tennessee Valley Authority (TVA) | 182.9 GWh | Sep 2006 | Dec 2025 | Natural Gas : 75.7% Wood/Wood Waste Solids : 18.9% Other Biomass Solids : 3.0% Sludge Waste : 2.4% |
| North Ninth Street | Rochelle Municipal Utilities | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.6 GWh | Sep 1940 | Dec 2025 | Natural Gas : 75.6% Solar : 13.3% Distillate Fuel Oil : 11.0% |
| Port Arthur Texas Refinery | Total Petrochemicals USA Inc | Port Arthur, TX | Midcontinent Independent System Operator, Inc. (MISO) | 225.9 GWh | Jul 1988 | Dec 2024 | Natural Gas : 75.0% Other Gas : 25.0% |
| Crystal River | Duke Energy Florida, LLC | Crystal River, FL | Duke Energy Florida, Inc. (FPC) | 15.3 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Paxton Creek Cogeneration | Energy Center Paxton LLC | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 693.0 MWh | Jul 1986 | Dec 2024 | Natural Gas : 74.8% Distillate Fuel Oil : 25.2% |
| Ottawa | City of Ottawa - (KS) | Ottawa, KS | Southwest Power Pool (SWPP) | 689.0 MWh | Nov 1958 | Dec 2024 | Natural Gas : 74.5% Distillate Fuel Oil : 25.5% |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 104.0 GWh | Oct 1981 | Dec 2025 | Natural Gas : 74.3% Distillate Fuel Oil : 25.7% |
| NSB Nuiqsut Utility | North Slope Borough Power & Light | Nuiqsut, AK | 7.7 GWh | Aug 1999 | Dec 2024 | Natural Gas : 74.1% Distillate Fuel Oil : 25.9% | |
| Beloit | City of Beloit - (KS) | Beloit, KS | Southwest Power Pool (SWPP) | 192.0 MWh | Apr 1950 | Dec 2024 | Natural Gas : 73.4% Distillate Fuel Oil : 26.6% |
| IKEA New Haven Rooftop PV & Fuel Cell | IKEA Property Inc | New Haven, CT | ISO New England (ISNE) | 2.8 GWh | Jun 2012 | Dec 2024 | Natural Gas : 73.1% Solar : 26.9% |
| Louisiana 1 | Entergy Louisiana LLC | Baton Rouge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Sep 1951 | Dec 2025 | Natural Gas : 72.9% Other Gas : 27.1% |
| Beloit Memorial Hospital Power Plant | Beloit Memorial Hospital | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 70.6 MWh | May 2000 | Dec 2024 | Natural Gas : 72.9% Distillate Fuel Oil : 27.1% |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 2.7 GWh | Jun 1980 | Dec 2024 | Natural Gas : 72.6% Distillate Fuel Oil : 27.4% |
| McPherson 2 | City of McPherson - (KS) | McPherson, KS | Southwest Power Pool (SWPP) | 15.2 GWh | May 1973 | Dec 2024 | Natural Gas : 72.6% Distillate Fuel Oil : 27.4% |
| Darlington County | Duke Energy Progress - (NC) | Hartsville, SC | Duke Energy Progress East (CPLE) | 17.0 GWh | Jul 1974 | Nov 2024 | Natural Gas : 72.6% Distillate Fuel Oil : 27.4% |
| HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 942.3 GWh | Aug 1991 | Dec 2025 | Natural Gas : 72.5% Other Gas : 27.5% |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.8 GWh | Oct 1982 | Dec 2025 | Natural Gas : 72.3% Petroleum Coke : 18.0% Bituminous Coal : 9.6% |
| Princeton University Cogeneration | Trustees of Princeton University | Princeton, NJ | PJM Interconnection, LLC (PJM) | 77.2 GWh | Sep 1996 | Dec 2025 | Natural Gas : 72.1% Solar : 26.8% Distillate Fuel Oil : 1.1% |
| McIntosh | Georgia Power Co | Rincon, GA | Southern Company Services, Inc. - Trans (SOCO) | 35.5 GWh | Jan 1979 | Dec 2025 | Natural Gas : 71.6% Distillate Fuel Oil : 28.4% |
| Seminole (FL) | Seminole Electric Cooperative Inc | Palatka, FL | Seminole Electric Cooperative (SEC) | 10.2 TWh | Jan 1984 | Dec 2025 | Natural Gas : 71.3% Bituminous Coal : 28.6% |
| Sweeny Cogen Facility | Sweeny Cogeneration LLC | Old Ocean, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.3 TWh | Jul 1997 | Dec 2025 | Natural Gas : 69.6% Other Gas : 30.4% |
| Kingfisher | City of Kingfisher - (OK) | Kingfisher, OK | Southwest Power Pool (SWPP) | 173.0 MWh | Dec 1953 | Dec 2024 | Natural Gas : 69.5% Distillate Fuel Oil : 30.5% |
| MCRD Parris Island PV Hybrid | Ameresco Federal Solutions | Parris Island, SC | Dominion Energy South Carolina, Inc. (SCEG) | 32.2 GWh | Aug 2018 | Dec 2024 | Natural Gas : 69.0% Solar : 30.9% |
| De Pere Energy Center | Wisconsin Public Service Corp | De Pere, WI | Midcontinent Independent System Operator, Inc. (MISO) | 138.0 GWh | May 1999 | Dec 2024 | Natural Gas : 68.9% Distillate Fuel Oil : 31.1% |
| Waterloo | City of Waterloo - (IL) | Waterloo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 491.0 MWh | May 1946 | Dec 2024 | Natural Gas : 68.9% Distillate Fuel Oil : 31.1% |
| Northeastern | Public Service Co of Oklahoma | Oologah, OK | Southwest Power Pool (SWPP) | 5.0 TWh | Mar 1961 | Dec 2025 | Natural Gas : 68.0% Subbituminous Coal : 32.0% |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 53.0 MWh | Oct 1990 | Dec 2024 | Natural Gas : 67.8% Distillate Fuel Oil : 32.2% |
| GREC | Grand River Dam Authority | Chouteau, OK | Southwest Power Pool (SWPP) | 4.0 TWh | May 1981 | Dec 2025 | Natural Gas : 66.5% Subbituminous Coal : 33.5% |
| West Point Municipal | City of West Point - (NE) | West Point, NE | Southwest Power Pool (SWPP) | 109.0 MWh | Apr 1947 | Dec 2024 | Natural Gas : 65.7% Distillate Fuel Oil : 34.3% |
| Belews Creek | Duke Energy Carolinas, LLC | Belews Creek, NC | Duke Energy Carolinas (DUK) | 7.7 TWh | Jul 1974 | Dec 2025 | Natural Gas : 65.4% Bituminous Coal : 34.6% |
| Georgia-Pacific Big Island | GP Big Island LLC | Big Island, VA | PJM Interconnection, LLC (PJM) | 35.9 GWh | May 1920 | Dec 2025 | Natural Gas : 64.9% Wood/Wood Waste Solids : 25.3% Black Liquor : 7.3% Other Biomass Solids : 2.2% |
| Emerson | City of Emerson - (NE) | Emerson, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Dec 1946 | Dec 2024 | Natural Gas : 64.4% Distillate Fuel Oil : 35.6% |
| Wells IC | City of Wells - (MN) | Wells, MN | Midcontinent Independent System Operator, Inc. (MISO) | 180.0 MWh | Oct 1950 | Dec 2024 | Natural Gas : 64.3% Distillate Fuel Oil : 35.7% |
| Cherry Street | Town of Hudson - (MA) | Hudson, MA | ISO New England (ISNE) | 199.0 MWh | Apr 1951 | Dec 2024 | Natural Gas : 64.2% Distillate Fuel Oil : 35.8% |
| New Haven Harbor | Generation Bridge II Connecticut, LLC | New Haven, CT | ISO New England (ISNE) | 105.9 GWh | Jun 1975 | Dec 2025 | Natural Gas : 63.6% Distillate Fuel Oil : 20.1% Residual Fuel Oil : 13.4% Kerosene : 2.9% |
| Tulare BioMAT Fuel Cell | Central CA Fuel Cell 2, LLC | Tulare, CA | California Independent System Operator (CISO) | 13.7 GWh | Nov 2019 | Jul 2024 | Natural Gas : 63.4% Other Biomass Gas : 36.6% |
| Plant 31 Paper Mill | Graphic Packaging International | West Monroe, LA | Midcontinent Independent System Operator, Inc. (MISO) | 523.0 GWh | Dec 1963 | Dec 2024 | Natural Gas : 63.2% Black Liquor : 25.1% Wood/Wood Waste Solids : 11.7% |
| Geismar | BASF Corporation | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 514.1 GWh | Jun 1985 | Dec 2024 | Natural Gas : 63.1% Other Gas : 36.9% |
| City of Tulare Water Facility | City of Tulare Water Pollution Control | Tulare, CA | California Independent System Operator (CISO) | 20.7 GWh | Dec 1990 | Dec 2024 | Natural Gas : 62.5% Other Biomass Gas : 21.5% Solar : 16.0% |
| Litchfield | Litchfield Public Utilities | Litchfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 143.0 MWh | Aug 1963 | Dec 2024 | Natural Gas : 62.5% Distillate Fuel Oil : 37.5% |
| Tennessee Eastman Operations | Eastman Chemical Co-TN Ops | Kingsport, TN | PJM Interconnection, LLC (PJM) | 1.1 TWh | Aug 1936 | Dec 2025 | Natural Gas : 62.3% Bituminous Coal : 36.0% Other Gas : 1.0% Sludge Waste : 0.7% |
| Sterling | City of Sterling - (KS) | Sterling, KS | Southwest Power Pool (SWPP) | 32.0 MWh | Jul 1950 | Dec 2024 | Natural Gas : 62.1% Distillate Fuel Oil : 37.9% |
| Crete | City of Crete | Crete, NE | Southwest Power Pool (SWPP) | 89.0 MWh | May 1973 | Dec 2024 | Natural Gas : 61.5% Distillate Fuel Oil : 38.5% |
| Ansley | City of Ansley - (NE) | Ansley, NE | Southwest Power Pool (SWPP) | 22.0 MWh | May 1969 | Dec 2024 | Natural Gas : 61.4% Distillate Fuel Oil : 38.6% |
| Hibbing | Hibbing Public Utilities Comm | Hibbing, MN | Midcontinent Independent System Operator, Inc. (MISO) | 35.9 GWh | Mar 1965 | Dec 2024 | Natural Gas : 60.1% Wood/Wood Waste Solids : 38.2% Bituminous Coal : 1.7% |
| City of West Plains Power Station | City of West Plains - (MO) | West Plains, MO | Southwest Power Pool (SWPP) | 4.0 GWh | Apr 2000 | Dec 2024 | Natural Gas : 59.7% Distillate Fuel Oil : 40.3% |
| Franklin (NE) | City of Franklin - (NE) | Franklin, NE | Southwest Power Pool (SWPP) | 47.0 MWh | Dec 1954 | Dec 2024 | Natural Gas : 59.3% Distillate Fuel Oil : 40.7% |
| Pratt 2 | City of Pratt- (KS) | Pratt, KS | Southwest Power Pool (SWPP) | 372.0 MWh | May 1994 | Dec 2024 | Natural Gas : 59.1% Distillate Fuel Oil : 40.9% |
| Shute Creek Facility | Exxon Mobil Production Co | Kemmerer, WY | PacifiCorp East (PACE) | 870.9 GWh | Apr 2005 | Dec 2025 | Natural Gas : 59.0% Other Gas : 41.0% |
| Curtis | City of Curtis - (NE) | Curtis, NE | Southwest Power Pool (SWPP) | 45.0 MWh | Dec 1954 | Dec 2024 | Natural Gas : 58.5% Distillate Fuel Oil : 41.5% |
| Paulsboro Refinery | Paulsboro Refining Company - LLC | Paulsboro, NJ | PJM Interconnection, LLC (PJM) | 347.5 GWh | Jul 1982 | Dec 2025 | Natural Gas : 58.0% Other Gas : 42.0% |
| Chanute 3 | City of Chanute | Chanute, KS | Southwest Power Pool (SWPP) | 715.0 MWh | Sep 1985 | Dec 2024 | Natural Gas : 57.9% Distillate Fuel Oil : 42.1% |
| South District Wastewater Treatment Plt | Miami Dade Water & Sewer Dept | Miami, FL | Florida Power & Light Co. (FPL) | 21.4 GWh | Feb 1991 | Dec 2025 | Natural Gas : 57.3% Other Biomass Gas : 42.7% |
| Ticonderoga Mill | Sylvamo North America LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 207.0 GWh | Dec 1969 | Dec 2025 | Natural Gas : 56.9% Black Liquor : 35.8% Residual Fuel Oil : 4.4% Wood/Wood Waste Solids : 3.0% |
| Brunner Island | Brunner Island LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 4.2 TWh | Apr 1961 | Dec 2025 | Natural Gas : 56.6% Bituminous Coal : 43.4% |
| Winterset | City of Winterset - (IA) | Winterset, IA | Midcontinent Independent System Operator, Inc. (MISO) | 35.0 MWh | Jun 1956 | Dec 2024 | Natural Gas : 55.9% Distillate Fuel Oil : 44.1% |
| Mansfield Mill | IPC-Mansfield Mill | Mansfield, LA | Midcontinent Independent System Operator, Inc. (MISO) | 859.4 GWh | Sep 1981 | Dec 2025 | Natural Gas : 54.1% Black Liquor : 32.5% Wood/Wood Waste Solids : 11.7% Tire-derived Fuels : 1.7% |
| Kaukauna Paper Mill | Thilmany LLC | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 100.6 GWh | Dec 1950 | Dec 2025 | Natural Gas : 53.4% Black Liquor : 46.6% |
| Papillion Creek Wastewater | City of Omaha | Bellevue, NE | Southwest Power Pool (SWPP) | 2.6 GWh | Apr 1987 | Dec 2025 | Natural Gas : 53.3% Other Biomass Gas : 46.7% |
| Montville Station | Montville Power LLC | Uncasville, CT | ISO New England (ISNE) | 27.8 GWh | Dec 1953 | Dec 2024 | Natural Gas : 52.4% Residual Fuel Oil : 46.4% Distillate Fuel Oil : 1.2% |
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 |