Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Falling Spring | Borough of Chambersburg | Chambersburg, PA | PJM Interconnection, LLC (PJM) | 717.0 MWh | Nov 1967 | Sep 2025 | Natural Gas : 88.8% Distillate Fuel Oil : 11.2% |
| Harrington | Southwestern Public Service Co | Amarillo, TX | Southwest Power Pool (SWPP) | 2.3 TWh | Dec 1975 | Sep 2025 | Natural Gas : 88.2% Subbituminous Coal : 11.8% |
| Darbytown | Virginia Electric & Power Co | Richmond, VA | PJM Interconnection, LLC (PJM) | 144.6 GWh | Mar 1990 | Dec 2024 | Natural Gas : 88.2% Distillate Fuel Oil : 11.8% |
| DeBary | Duke Energy Florida, LLC | DeBary, FL | Duke Energy Florida, Inc. (FPC) | 50.1 GWh | Nov 1975 | Dec 2024 | Natural Gas : 88.2% Distillate Fuel Oil : 11.8% |
| Archbald Power Station | PEI Power Corp | Archbald, PA | PJM Interconnection, LLC (PJM) | 72.5 GWh | Aug 1988 | Sep 2025 | Natural Gas : 88.1% Landfill Gas : 11.9% |
| Forked River | Forked River Power, LLC | Forked River, NJ | PJM Interconnection, LLC (PJM) | 3.8 GWh | May 1989 | Dec 2024 | Natural Gas : 88.0% Distillate Fuel Oil : 12.0% |
| Valero Refinery Cogeneration Unit 1 | Valero Refining Co California | Benicia, CA | California Independent System Operator (CISO) | 275.4 GWh | Sep 2002 | Sep 2025 | Natural Gas : 87.7% Other Gas : 12.3% |
| Oberlin (OH) | City of Oberlin - (OH) | Oberlin, OH | PJM Interconnection, LLC (PJM) | 634.0 MWh | Dec 1947 | Dec 2024 | Natural Gas : 87.7% Distillate Fuel Oil : 12.3% |
| Black Hawk Station | Borger Energy Associates LP | Borger, TX | Southwest Power Pool (SWPP) | 1.3 TWh | May 1999 | Sep 2025 | Natural Gas : 87.5% Other Gas : 12.5% |
| Greenwood (MO) | Evergy Missouri West | Greenwood, MO | Southwest Power Pool (SWPP) | 71.2 GWh | Apr 1975 | Sep 2025 | Natural Gas : 87.4% Distillate Fuel Oil : 7.1% Solar : 5.5% |
| Osceola Generating Station (FL) | Orlando Utilities Comm | St. Cloud, FL | Duke Energy Florida, Inc. (FPC) | 623.0 MWh | Nov 2001 | Dec 2024 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 7.6 GWh | Sep 1974 | Sep 2025 | Natural Gas : 86.8% Residual Fuel Oil : 13.2% |
| Water Street Station | City of Bay City - (MI) | Bay City, MI | Midcontinent Independent System Operator, Inc. (MISO) | 239.0 MWh | Jul 1980 | Dec 2024 | Natural Gas : 86.5% Distillate Fuel Oil : 13.5% |
| J Street | Lincoln Electric System | Lincoln, NE | Southwest Power Pool (SWPP) | 413.0 MWh | Jan 1972 | Oct 2024 | Natural Gas : 86.3% Distillate Fuel Oil : 13.7% |
| Dearborn Industrial Generation | Dearborn Industrial Gen Inc | Dearborn, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 TWh | May 1999 | Sep 2025 | Natural Gas : 86.3% Blast Furnace Gas : 13.7% |
| Ladysmith | Virginia Electric & Power Co | Woodford, VA | PJM Interconnection, LLC (PJM) | 901.2 GWh | Apr 2001 | Sep 2025 | Natural Gas : 86.2% Distillate Fuel Oil : 13.8% |
| Wayne County Energy Complex | Duke Energy Progress - (NC) | Goldsboro, NC | Duke Energy Progress East (CPLE) | 58.3 GWh | Apr 2000 | Dec 2024 | Natural Gas : 86.2% Distillate Fuel Oil : 13.8% |
| Roseton Generating Facility | CCI Roseton LLC | Newsburgh, NY | New York Independent System Operator (NYIS) | 457.4 GWh | Aug 1974 | Sep 2025 | Natural Gas : 86.1% Residual Fuel Oil : 13.9% |
| Poplar Bluff Generating Station | City of Poplar Bluff - (MO) | Poplar Bluff, MO | Southwest Power Pool (SWPP) | 560.0 MWh | Apr 1976 | Dec 2024 | Natural Gas : 86.1% Distillate Fuel Oil : 13.9% |
| Texas Petrochemicals | TPC Group, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 233.8 GWh | May 1972 | Dec 2024 | Natural Gas : 86.0% Other Gas : 14.0% |
| Empire Energy Center | Empire District Electric Co | Sarcoxie, MO | Southwest Power Pool (SWPP) | 133.9 GWh | Feb 1978 | Dec 2024 | Natural Gas : 85.7% Jet Fuel : 14.3% |
| Russell Downtown | City of Russell - (KS) | Russell, KS | Southwest Power Pool (SWPP) | 87.0 MWh | Jan 1971 | Dec 2024 | Natural Gas : 85.6% Distillate Fuel Oil : 14.4% |
| Fruita | Public Service Co of Colorado | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 975.0 MWh | May 1973 | Dec 2024 | Natural Gas : 85.4% Distillate Fuel Oil : 14.6% |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 437.0 MWh | May 1948 | Dec 2024 | Natural Gas : 85.4% Distillate Fuel Oil : 14.6% |
| Chillicothe | Chillicothe Municipal Utils | Chillicothe, MO | Southwest Power Pool (SWPP) | 5.2 GWh | May 1986 | Nov 2024 | Natural Gas : 85.1% Distillate Fuel Oil : 14.9% |
| Equus Freeport Power | Equus Power I, L.P. | Village of Freeport, NY | New York Independent System Operator (NYIS) | 45.4 GWh | May 2004 | Dec 2024 | Natural Gas : 84.9% Kerosene : 15.1% |
| Georgia-Pacific Muskogee | Georgia-Pacific Muskogee LLC | Muskogee, OK | Southwest Power Pool (SWPP) | 378.4 GWh | Feb 1978 | Sep 2025 | Natural Gas : 84.8% Subbituminous Coal : 15.2% |
| Northeast (MI) | DTE Electric Company | Warren, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Apr 1966 | Dec 2024 | Natural Gas : 84.7% Distillate Fuel Oil : 15.3% |
| UI RCP Bridgeport Seaside | United Illuminating Co | Bridgeport, CT | ISO New England (ISNE) | 20.6 GWh | Oct 2015 | Sep 2025 | Natural Gas : 84.6% Solar : 15.4% |
| 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% |
| Sturgis City Diesel Plant | City of Sturgis - (MI) | Sturgis, MI | PJM Interconnection, LLC (PJM) | 2.1 GWh | Nov 1981 | Dec 2024 | Natural Gas : 84.5% Distillate Fuel Oil : 15.5% |
| 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% |
| 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% |
| POET Biorefining Lake Crystal | POET Biorefining Lake Crystal | Lake Crystal, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.7 GWh | Mar 2005 | Sep 2025 | Natural Gas : 83.8% Distillate Fuel Oil : 16.2% |
| 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% |
| CSUF Trigeneration | California State University at Fullerton | Fullerton, CA | California Independent System Operator (CISO) | 37.8 GWh | Sep 2010 | Sep 2025 | Natural Gas : 82.8% Solar : 17.2% |
| Delaware City Plant | Delaware City Refining Company LLC | Delaware City, DE | PJM Interconnection, LLC (PJM) | 1.1 TWh | Sep 1956 | Sep 2025 | Natural Gas : 82.3% Other Gas : 17.7% |
| Watson Cogeneration | ARCO Products Co-Watson | Carson, CA | California Independent System Operator (CISO) | 2.3 TWh | Nov 1987 | Sep 2025 | Natural Gas : 82.0% Other Gas : 17.3% Waste/Other Oil : 0.7% |
| 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% |
| 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% |
| Victor J Daniel Jr | Mississippi Power Co | Escatawpa, MS | Southern Company Services, Inc. - Trans (SOCO) | 9.7 TWh | Aug 1977 | Sep 2025 | Natural Gas : 81.4% Subbituminous Coal : 17.7% Bituminous Coal : 0.8% |
| 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% |
| Lake Road (MO) | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 53.1 GWh | Jun 1950 | Sep 2025 | Natural Gas : 81.0% Subbituminous Coal : 15.2% Distillate Fuel Oil : 3.8% |
| 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% |
| Terry Bundy Generating Station | Lincoln Electric System | Lincoln, NE | Southwest Power Pool (SWPP) | 143.6 GWh | Jul 2003 | Sep 2025 | Natural Gas : 80.9% Landfill Gas : 18.0% Distillate Fuel Oil : 1.1% |
| 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% |
| 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% |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.4 TWh | Jan 1963 | Sep 2025 | Natural Gas : 80.0% Subbituminous Coal : 20.0% |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 195.5 GWh | Dec 1971 | Sep 2025 | Natural Gas : 79.7% Distillate Fuel Oil : 20.3% |
| 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% |
| MMSD Jones Island Wastewater | Milwaukee Metro Sewerage Dist | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 74.1 GWh | Dec 1970 | Sep 2025 | Natural Gas : 79.4% Landfill Gas : 19.3% Distillate Fuel Oil : 1.3% |
| Shell Deer Park | Deer Park Refinery Limited Partnership (DPRLP) | Deer Park, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.2 TWh | Sep 1979 | Sep 2025 | Natural Gas : 79.3% Purchased Steam : 10.6% Other Gas : 10.1% |
| Franklin Heating Station | Franklin Heating Station | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 67.0 GWh | Dec 1950 | Sep 2025 | Natural Gas : 79.1% Purchased Steam : 19.3% Distillate Fuel Oil : 1.6% |
| Crystal River | Duke Energy Florida, LLC | Crystal River, FL | Duke Energy Florida, Inc. (FPC) | 15.1 TWh | Sep 1966 | Sep 2025 | Natural Gas : 78.9% Bituminous Coal : 20.9% |
| 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% |
| 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% |
| 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% |
| Domtar Kingsport Mill | Domtar Paper Co LLC Kingsport Mill | Kingsport, TN | Tennessee Valley Authority (TVA) | 147.2 GWh | Sep 2006 | Sep 2025 | Natural Gas : 78.4% Wood/Wood Waste Solids : 17.1% Sludge Waste : 2.3% Other Biomass Solids : 2.3% |
| 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% |
| 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% |
| 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% |
| 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% |
| Cope | Dominion Energy South Carolina, Inc | Cope, SC | Dominion Energy South Carolina, Inc. (SCEG) | 1.7 TWh | Dec 1995 | Sep 2025 | Natural Gas : 76.8% Bituminous Coal : 23.1% |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.5 GWh | Oct 1982 | Sep 2025 | Natural Gas : 76.2% Petroleum Coke : 16.6% Bituminous Coal : 7.1% |
| Seminole (FL) | Seminole Electric Cooperative Inc | Palatka, FL | Seminole Electric Cooperative (SEC) | 10.0 TWh | Jan 1984 | Sep 2025 | Natural Gas : 76.1% Bituminous Coal : 23.8% |
| North Ninth Street | Rochelle Municipal Utilities | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.6 GWh | Sep 1940 | Sep 2025 | Natural Gas : 75.2% Solar : 13.8% 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% |
| 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% |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 125.4 GWh | Oct 1981 | Sep 2025 | Natural Gas : 74.6% Distillate Fuel Oil : 25.4% |
| 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% |
| 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% | |
| McIntosh | Georgia Power Co | Rincon, GA | Southern Company Services, Inc. - Trans (SOCO) | 38.7 GWh | Jan 1979 | Sep 2025 | Natural Gas : 74.1% Distillate Fuel Oil : 25.9% |
| MU Combined Heat and Power Plant | Curators of the University of Missouri | Columbia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 196.3 GWh | Jun 1961 | Sep 2025 | Natural Gas : 73.6% Wood/Wood Waste Solids : 23.7% Bituminous Coal : 2.6% |
| 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% |
| 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% |
| New Haven Harbor | Generation Bridge II Connecticut, LLC | New Haven, CT | ISO New England (ISNE) | 92.5 GWh | Jun 1975 | Sep 2025 | Natural Gas : 72.8% Residual Fuel Oil : 17.4% Distillate Fuel Oil : 6.4% Kerosene : 3.3% |
| 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% |
| 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% |
| 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% |
| Belews Creek | Duke Energy Carolinas, LLC | Belews Creek, NC | Duke Energy Carolinas (DUK) | 8.0 TWh | Jul 1974 | Sep 2025 | Natural Gas : 72.6% Bituminous Coal : 27.4% |
| GREC | Grand River Dam Authority | Chouteau, OK | Southwest Power Pool (SWPP) | 3.9 TWh | May 1981 | Sep 2025 | Natural Gas : 72.5% Subbituminous Coal : 27.5% |
| HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 989.9 GWh | Aug 1991 | Sep 2025 | Natural Gas : 72.0% Other Gas : 28.0% |
| Louisiana 1 | Entergy Louisiana LLC | Baton Rouge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 TWh | Sep 1951 | Sep 2025 | Natural Gas : 71.5% Other Gas : 28.5% |
| Papillion Creek Wastewater | City of Omaha | Bellevue, NE | Southwest Power Pool (SWPP) | 3.5 GWh | Apr 1987 | Sep 2025 | Natural Gas : 71.5% Other Biomass Gas : 28.5% |
| Sweeny Cogen Facility | Sweeny Cogeneration LLC | Old Ocean, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.3 TWh | Jul 1997 | Sep 2025 | Natural Gas : 70.0% Other Gas : 30.0% |
| 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% |
| 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% |
| Princeton University Cogeneration | Trustees of Princeton University | Princeton, NJ | PJM Interconnection, LLC (PJM) | 69.2 GWh | Sep 1996 | Sep 2025 | Natural Gas : 67.0% Solar : 31.8% Distillate Fuel Oil : 1.2% |
| 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% |
| Northeastern | Public Service Co of Oklahoma | Oologah, OK | Southwest Power Pool (SWPP) | 5.1 TWh | Mar 1961 | Sep 2025 | Natural Gas : 65.0% Subbituminous Coal : 35.0% |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |