Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| SRI International Cogen Project | IPT SRI Cogeneration Inc | Menlo Park, CA | California Independent System Operator (CISO) | 23.6 GWh | Mar 1987 | Dec 2025 | Natural Gas |
| Frontier | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 525.1 GWh | Aug 1989 | Dec 2025 | Natural Gas |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | California Independent System Operator (CISO) | 126.2 GWh | Sep 1986 | Dec 2025 | Wood/Wood Waste Solids : 99.6% |
| Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 79.2 GWh | Nov 1985 | Dec 2025 | Landfill Gas |
| Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 118.0 GWh | Jun 1916 | Dec 2025 | Black Liquor : 51.4% Bituminous Coal : 14.4% Water : 12.5% Natural Gas : 12.1% Wood/Wood Waste Solids : 6.3% Residual Fuel Oil : 1.7% Sludge Waste : 1.6% |
| Central Power Plant | State of Rhode Island | Cranston, RI | ISO New England (ISNE) | 18.7 GWh | Jul 1958 | Dec 2025 | Natural Gas : 97.7% Distillate Fuel Oil : 2.3% |
| Berry Cogen Tanne Hills 18 | Berry Petroleum Co | Maricopa, CA | California Independent System Operator (CISO) | 139.7 GWh | Nov 1986 | Dec 2025 | Natural Gas |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 81.3 GWh | Aug 1983 | Dec 2025 | Other Gas : 66.8% Waste Heat : 33.2% |
| ExxonMobil Beaumont Refinery | ExxonMobil Oil Corp | Beaumont, TX | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 TWh | Dec 1965 | Dec 2025 | Natural Gas : 96.8% Other Gas : 3.2% |
| ExxonMobil Oil Joliet Refinery | ExxonMobil Oil Corp | Channahon, IL | PJM Interconnection, LLC (PJM) | 185.3 GWh | Apr 1986 | Dec 2025 | Other Gas |
| 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% |
| Covanta Lake County Energy | Covanta Lake Inc | Okahumpka, FL | Duke Energy Florida, Inc. (FPC) | 87.1 GWh | Aug 1990 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.8% |
| Mosaic Co Bartow Facility | Mosaic Company | Bartow, FL | Tampa Electric Company (TEC) | 171.0 GWh | Nov 1985 | Dec 2025 | Waste Heat |
| Clearwater Paper IPP Lewiston | Clearwater Paper Corporation | Lewiston, ID | Avista Corporation (AVA) | 462.9 GWh | Dec 1949 | Dec 2025 | Black Liquor : 60.5% Wood/Wood Waste Solids : 24.6% Natural Gas : 14.9% |
| Sappi Cloquet Mill | Sappi Cloquet LLC | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 443.3 GWh | Dec 1928 | Dec 2025 | Black Liquor : 63.5% Wood/Wood Waste Solids : 17.9% Natural Gas : 14.2% Water : 3.6% |
| Covanta Bristol Energy | Covanta Bristol Inc | Bristol, CT | ISO New England (ISNE) | 109.4 GWh | Nov 1987 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Reworld Babylon Inc | Reworld Babylon Inc | West Babylon, NY | New York Independent System Operator (NYIS) | 124.1 GWh | Dec 1988 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Distillate Fuel Oil : 0.7% |
| Huntington Resource Recovery Facility | Huntington Resource Recovery | East Northport, NY | New York Independent System Operator (NYIS) | 198.0 GWh | Nov 1991 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9% |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 254.2 GWh | Apr 1995 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.1% |
| Covanta Fairfax Energy | Covanta Fairfax Inc | Lorton, VA | PJM Interconnection, LLC (PJM) | 708.7 GWh | Feb 1990 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 1.0% |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 198.0 GWh | Apr 1989 | Dec 2025 | Non-biogenic Municipal Solid Waste : 51.9% Biogenic Municipal Solid Waste : 42.4% Distillate Fuel Oil : 5.7% |
| Onondaga County Resource Recovery | Covanta Onondega LP | Jamesville, NY | New York Independent System Operator (NYIS) | 184.4 GWh | Oct 1994 | Dec 2025 | Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Natural Gas : 2.0% |
| Covanta Alexandria/Arlington Energy | Covanta Alexandria/Arlington | Alexandria, VA | PJM Interconnection, LLC (PJM) | 147.3 GWh | Sep 1987 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Pasco Cnty Solid Waste Resource Recovery | Pasco County | Spring Hill, FL | Duke Energy Florida, Inc. (FPC) | 180.6 GWh | Apr 1991 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9% |
| Municipal Cogen Plant | Palm Springs City of | Palm Springs, CA | California Independent System Operator (CISO) | 6.2 GWh | Apr 1985 | Dec 2025 | Natural Gas |
| JM Shafer Generating Station | Tri-State G & T Assn, Inc | Ft. Lupton, CO | Public Service Company of Colorado (PSCO) | 716.6 GWh | May 1994 | Dec 2025 | Natural Gas |
| University of Alaska Fairbanks | University of Alaska | Fairbanks, AK | 67.5 GWh | Dec 1963 | Dec 2025 | Subbituminous Coal : 95.7% Distillate Fuel Oil : 4.2% | |
| Gary Works | United States Steel-Gary | Gary, IN | Midcontinent Independent System Operator, Inc. (MISO) | 950.4 GWh | Mar 1997 | Dec 2025 | Blast Furnace Gas : 53.1% Natural Gas : 46.9% |
| Southeast Kern River Cogen | Chevron USA Inc | Bakersfield, CA | California Independent System Operator (CISO) | 44.3 GWh | Jan 1989 | Dec 2025 | Natural Gas |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | California Independent System Operator (CISO) | 469.3 GWh | Nov 1985 | Dec 2025 | Natural Gas |
| Florence Mill | WestRock-Florence | Florence, SC | Duke Energy Progress East (CPLE) | 419.4 GWh | Oct 1963 | Dec 2025 | Black Liquor : 50.3% Wood/Wood Waste Solids : 35.3% Bituminous Coal : 6.9% Natural Gas : 6.4% Residual Fuel Oil : 1.0% |
| Hopewell Mill | RockTenn-Hopewell | Hopewell, VA | PJM Interconnection, LLC (PJM) | 276.5 GWh | Nov 1980 | Dec 2025 | Black Liquor : 46.8% Wood/Wood Waste Solids : 33.0% Natural Gas : 19.5% Bituminous Coal : 0.6% |
| Odyssey Energy Altura Cogen, LLC | Odyssey Operating Services | Channelview, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.4 TWh | Oct 1985 | Dec 2025 | Natural Gas |
| TES Filer City Station | TES Filer City Station LP | Filer City, MI | Midcontinent Independent System Operator, Inc. (MISO) | 351.3 GWh | Apr 1990 | Dec 2025 | Bituminous Coal : 64.8% Natural Gas : 21.1% Wood/Wood Waste Solids : 14.1% |
| PE Berkeley | Berkeley Cogeneration Facility | Berkeley, CA | California Independent System Operator (CISO) | 166.6 GWh | May 1987 | Dec 2025 | Natural Gas |
| Hillsborough County Resource Recovery | Hillsborough County | Tampa, FL | Tampa Electric Company (TEC) | 201.1 GWh | Mar 1987 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Lancaster County Resource Recovery | Covanta Lancaster Inc | Brainbridge, PA | PJM Interconnection, LLC (PJM) | 178.5 GWh | Nov 1990 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9% |
| Kent County Waste to Energy Facility | Kent County | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 99.5 GWh | Sep 1989 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Salinas River Cogeneration | Salinas River Cogeneration Co | San Ardo, CA | California Independent System Operator (CISO) | 261.7 GWh | Oct 1991 | Dec 2025 | Natural Gas |
| Wheelabrator Concord Facility | Wheelabrator Environmental Systems | Concord, NH | ISO New England (ISNE) | 94.5 GWh | Mar 1989 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 240.0 GWh | Apr 1985 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 319.2 GWh | Aug 1987 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 185.1 GWh | Jul 1985 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Shasta | Shasta Sustainable Resource Management, Inc. | Anderson, CA | California Independent System Operator (CISO) | 285.3 GWh | Sep 1987 | Dec 2025 | Wood/Wood Waste Solids |
| Wheelabrator Westchester | Wheelabrator Environmental Systems | Peekskill, NY | New York Independent System Operator (NYIS) | 382.8 GWh | Sep 1984 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Bridgeport | Wheelabrator Environmental Systems | Bridgeport, CT | ISO New England (ISNE) | 470.9 GWh | Jun 1988 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Pinellas County Resource Recovery | Reworld Projects, LLC | St. Petersburg, FL | Duke Energy Florida, Inc. (FPC) | 339.0 GWh | Dec 1982 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Gloucester LP | Wheelabrator Environmental Systems | Westville, NJ | PJM Interconnection, LLC (PJM) | 84.5 GWh | Dec 1989 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Spokane Waste to Energy | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 134.5 GWh | Aug 1991 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator South Broward | Wheelabrator Environmental Systems | Ft. Lauderdale, FL | Florida Power & Light Co. (FPL) | 449.1 GWh | Mar 1991 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Northampton Generating Company LP | EIF Northampton GP, LLC | Northampton, PA | PJM Interconnection, LLC (PJM) | 571.2 GWh | Jul 1995 | Dec 2025 | Waste/Other Coal : 97.2% Tire-derived Fuels : 1.5% Waste/Other Oil : 1.0% |
| Covington Facility | WestRock Corp | Covington, VA | PJM Interconnection, LLC (PJM) | 725.1 GWh | Dec 1950 | Dec 2025 | Black Liquor : 43.8% Natural Gas : 24.7% Wood/Wood Waste Solids : 19.4% Bituminous Coal : 11.6% Residual Fuel Oil : 0.5% |
| Sagamore Plant Cogeneration | Tate & Lyle Ingredients Americas Inc | Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 21.3 GWh | Sep 1984 | Dec 2025 | Natural Gas |
| Yellowstone Energy LP | Yellowstone Energy LP | Billings, MT | NorthWestern Corporation (NWMT) | 458.4 GWh | May 1995 | Dec 2025 | Petroleum Coke : 99.2% Other Gas : 0.6% |
| Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Nov 1917 | Dec 2025 | Water |
| Caterpillar | Caterpillar Inc | Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 21.1 GWh | Nov 1983 | Dec 2025 | Natural Gas |
| Hardee Power Station | Invenergy Services LLC | Bowling Green, FL | Tampa Electric Company (TEC) | 793.1 GWh | Dec 1992 | Dec 2025 | Natural Gas : 99.9% |
| Union County Resource Recovery | Reworld Union (NJ), LLC | Rahway, NJ | PJM Interconnection, LLC (PJM) | 292.6 GWh | Jan 1994 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Naval Hospital Medical Center | Department of the Navy | San Diego, CA | California Independent System Operator (CISO) | 22.6 GWh | Nov 2003 | Dec 2025 | Natural Gas |
| 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% |
| Motiva Enterprises Port Arthur Refinery | Motiva Enterprises LLC | Port Arthur, TX | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | May 1957 | Dec 2025 | Natural Gas : 91.2% Other Gas : 8.8% |
| MacArthur Waste to Energy Facility | Reworld MacArthur Renewable Energy | Ronkonkoma, NY | New York Independent System Operator (NYIS) | 54.6 GWh | Feb 1990 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6% |
| Lee County Solid Waste Energy | Lee County Board-Commissioners | Fort Myers, FL | Florida Power & Light Co. (FPL) | 302.4 GWh | Aug 1994 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Gaseous Propane : 0.7% |
| Dixie Valley | Ormat Nevada Inc | Fallon, NV | California Independent System Operator (CISO) | 422.7 GWh | May 1988 | Dec 2025 | Geothermal |
| Doswell Energy Center | Doswell Ltd Partnership | Ashland, VA | PJM Interconnection, LLC (PJM) | 5.5 TWh | Oct 1991 | Dec 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 39.5 GWh | Sep 1974 | Dec 2025 | Natural Gas : 97.2% Residual Fuel Oil : 2.8% |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.7 GWh | May 1985 | Dec 2025 | Water |
| UCLA So Campus Cogen Project | University of California-LA | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 211.2 GWh | Sep 1993 | Dec 2025 | Natural Gas |
| Taft 26C Cogen | Chevron USA Inc | Taft, CA | California Independent System Operator (CISO) | 43.0 GWh | Jun 1982 | Dec 2025 | Natural Gas |
| Texas City Power Plant | Texas City Cogeneration LLC | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.8 TWh | Apr 1987 | Dec 2025 | Natural Gas |
| Celanese Acetate LLC | Celanese Acetate LLC | Narrows, VA | PJM Interconnection, LLC (PJM) | 152.5 GWh | Dec 1941 | Dec 2025 | Natural Gas |
| Berry Placerita Cogen | Shadow Wolf Energy | Santa Clarita, CA | California Independent System Operator (CISO) | 3.8 GWh | Feb 1990 | Dec 2025 | Natural Gas |
| Kern River Eastridge Cogen | Chevron USA Inc | Bakersfield, CA | California Independent System Operator (CISO) | 224.7 GWh | May 1988 | Dec 2025 | Natural Gas |
| Richmond Cogen | Chevron Products Company-Richmond | Richmond, CA | California Independent System Operator (CISO) | 970.1 GWh | Jul 1992 | Dec 2025 | Natural Gas : 97.5% Other Gas : 2.5% |
| Freeport Energy | Olin Blue Cube Operations | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.7 TWh | Mar 1978 | Dec 2025 | Natural Gas |
| Tesoro Mandan Cogeneration Plant | Tesoro Refining and Marketing Co LLC | Mandan, ND | Southwest Power Pool (SWPP) | 57.9 GWh | Sep 1954 | Dec 2025 | Other Gas : 60.2% Natural Gas : 39.8% |
| International Paper Prattville Mill | International Paper Co | Prattville, AL | Southern Company Services, Inc. - Trans (SOCO) | 558.9 GWh | Jan 1967 | Dec 2025 | Black Liquor : 63.2% Natural Gas : 21.8% Wood/Wood Waste Solids : 14.9% |
| CP Kelco San Diego Plant | CP Kelco US Inc. | San Diego, CA | California Independent System Operator (CISO) | 74.9 GWh | Sep 1983 | Dec 2025 | Natural Gas |
| Sylvamo Corporation Eastover Facility | Sylvamo Corporation - Eastover | Eastover, SC | Dominion Energy South Carolina, Inc. (SCEG) | 564.5 GWh | Mar 1984 | Dec 2025 | Black Liquor : 72.3% Wood/Wood Waste Solids : 18.0% Natural Gas : 9.2% Waste/Other Oil : 0.5% |
| International Paper Franklin Mill | International Paper | Franklin, VA | PJM Interconnection, LLC (PJM) | 256.2 GWh | Oct 1977 | Dec 2025 | Black Liquor : 88.1% Natural Gas : 11.9% |
| Midway Sunset Cogen | Midway-Sunset Cogeneration Co | Fellows, CA | California Independent System Operator (CISO) | 47.3 GWh | Apr 1989 | Dec 2025 | Natural Gas |
| Tesoro Kenai Cogeneration Plant | Tesoro Alaska Company LLC | Kenai, AK | 41.5 GWh | Oct 1988 | Dec 2025 | Natural Gas | |
| 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% |
| WestRock Southeast, LLC. | WestRock Southeast, LLC | Dublin, GA | Southern Company Services, Inc. - Trans (SOCO) | 187.3 GWh | May 1989 | Dec 2025 | Wood/Wood Waste Solids : 39.6% Tire-derived Fuels : 34.2% Natural Gas : 22.0% Other Biomass Solids : 4.2% |
| University of Illinois Cogen Facility | University of Illinois | Chicago, IL | PJM Interconnection, LLC (PJM) | 114.1 GWh | Mar 1993 | Dec 2025 | Natural Gas : 99.9% |
| Spruance Operating Services LLC | Veolia Energy Operating Service | Richmond, VA | PJM Interconnection, LLC (PJM) | 66.5 GWh | Apr 1992 | Dec 2025 | Natural Gas |
| 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% |
| 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% |
| International Paper Vicksburg Mill | International Paper Co-Vicksbg | Vicksburg, MS | Midcontinent Independent System Operator, Inc. (MISO) | 227.0 GWh | Dec 1966 | Dec 2025 | Black Liquor : 53.2% Natural Gas : 28.7% Wood/Wood Waste Solids : 18.1% |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 37.3 GWh | Dec 1912 | Dec 2025 | Water |
| Ashdown | Domtar Industries Inc | Ashdown, AR | Southwest Power Pool (SWPP) | 587.0 GWh | Dec 1967 | Dec 2025 | Black Liquor : 70.3% Natural Gas : 12.7% Wood/Wood Waste Solids : 9.8% Bituminous Coal : 6.2% Tire-derived Fuels : 1.1% |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 80.9 GWh | Sep 1960 | Dec 2025 | Natural Gas |
| 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% |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 54.8 GWh | Jan 1971 | Dec 2025 | Natural Gas |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 41.6 GWh | Nov 2013 | Dec 2025 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 75.0 GWh | Dec 1947 | Dec 2025 | Natural Gas : 90.0% Distillate Fuel Oil : 10.0% |
| Naval Submarine Base Kings Bay | Kings Bay Naval Base | Kings Bay, GA | Southern Company Services, Inc. - Trans (SOCO) | 361.5 MWh | Nov 1984 | Dec 2025 | Distillate Fuel Oil |
| Saint Marys Hospital Power Plant | St Mary's Hospital | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 56.3 GWh | Dec 1970 | Dec 2025 | Natural Gas : 99.5% Distillate Fuel Oil : 0.5% |
| 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% |
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 |