| Wheaton | Northern States Power Co - Minnesota | Eau Claire, WI | 17 GWh | Dec 1972 | May 2025 |
Natural Gas : 97.4%
Distillate Fuel Oil : 2.6%
|
| State Center | City of State Center - (IA) | State Center, IA | 153 MWh | Jul 1972 | Dec 2025 |
Distillate Fuel Oil : 72.4%
Natural Gas : 27.6%
|
| Big Cajun 1 | Louisiana Generating LLC | Jarreau, LA | 158 GWh | May 1972 | Dec 2025 |
Natural Gas
|
| McClellan (AR) | Arkansas Electric Coop Corp | Camden, AR | 27 GWh | Apr 1972 | Oct 2025 |
Natural Gas : 85.3%
Distillate Fuel Oil : 14.7%
|
| Miles City GT | Montana-Dakota Utilities Co | Miles City, MT | 2 GWh | Apr 1972 | Dec 2025 |
Natural Gas : 99.7%
|
| Webster City | City of Webster City - (IA) | Webster City, IA | 383 MWh | Mar 1972 | Dec 2025 |
Distillate Fuel Oil
|
| Inver Hills | Northern States Power Co - Minnesota | Inver Grove Heights, MN | 130 GWh | Mar 1972 | Dec 2025 |
Natural Gas : 98.8%
Distillate Fuel Oil : 1.2%
|
| Degray | USCE -Vickburg District | Arkadelphia, AR | 87 GWh | Jan 1972 | May 2026 |
Water
|
| Sibley One | City of Sibley - (IA) | Sibley, IA | 174 MWh | Aug 1971 | Dec 2025 |
Distillate Fuel Oil : 65.0%
Natural Gas : 35.0%
|
| Arpin Dam | Zero6 Energy Hydro | Radisson, WI | 6 GWh | Aug 1971 | Aug 2025 |
Water
|
| Putnam (MI) | DTE Electric Company | Mayville, MI | 129 MWh | May 1971 | Dec 2025 |
Distillate Fuel Oil
|
| Monticello Nuclear Facility | Northern States Power Co - Minnesota | Monticello, MN | 5 TWh | May 1971 | May 2026 |
Nuclear
|
| West Marinette | Wisconsin Public Service Corp | Peshtigo, WI | 90 GWh | May 1971 | Dec 2025 |
Natural Gas
|
| Tower | Wolverine Power Supply Coop | Tower, MI | 61 MWh | Feb 1971 | Dec 2025 |
Distillate Fuel Oil
|
| Oconto Falls Lower | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | 6 GWh | Dec 1970 | Dec 2025 |
Water
|
| Saint Marys Hospital Power Plant | St Mary's Hospital | Rochester, MN | 55 GWh | Dec 1970 | May 2026 |
Natural Gas : 99.0%
Distillate Fuel Oil : 1.0%
|
| MMSD Jones Island Wastewater | Milwaukee Metro Sewerage Dist | Milwaukee, WI | 83 GWh | Dec 1970 | May 2026 |
Natural Gas : 84.8%
Landfill Gas : 14.2%
Distillate Fuel Oil : 1.0%
|
| Lewis Creek | Entergy Texas Inc. | Willis, TX | 2 TWh | Nov 1970 | May 2026 |
Natural Gas
|
| Reynolds | City of Springfield - (IL) | Springfield, IL | 179 MWh | Oct 1970 | Dec 2025 |
Distillate Fuel Oil
|
| Placid 12 | DTE Electric Company | Clarkston, MI | 243 MWh | Oct 1970 | Dec 2025 |
Distillate Fuel Oil
|
| Cayuga | Duke Energy Indiana, LLC | Cayuga, IN | 4 TWh | Sep 1970 | May 2026 |
Bituminous Coal : 99.3%
|
| Milton R Young | Minnkota Power Coop, Inc | Center, ND | 4 TWh | Sep 1970 | May 2026 |
Lignite Coal : 99.8%
|
| Moselle | Cooperative Energy | Moselle, MS | 2 TWh | Jul 1970 | May 2026 |
Natural Gas
|
| Baldwin Energy Complex | Dynegy Midwest Generation Inc | Baldwin, IL | 6 TWh | Jun 1970 | May 2026 |
Subbituminous Coal : 99.7%
|
| Durant | City of Durant - (IA) | Durant, IA | 29 MWh | Jun 1970 | Dec 2025 |
Distillate Fuel Oil
|
| Coralville GT | MidAmerican Energy Co | Coralville, IA | 2 GWh | May 1970 | Dec 2025 |
Natural Gas
|
| Labadie | Union Electric Co - (MO) | Labadie, MO | 15 TWh | May 1970 | May 2026 |
Subbituminous Coal : 99.9%
|
| Lake Catherine | Entergy Arkansas LLC | Jones Mill, AR | 336 GWh | Mar 1970 | Dec 2025 |
Natural Gas
|
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | 86 MWh | Dec 1969 | Dec 2025 |
Kerosene
|
| Redwood Falls | Redwood Falls Public Util Comm | Redwood Falls, MN | 3 GWh | Dec 1969 | Dec 2025 |
Water : 84.0%
Natural Gas : 12.5%
Distillate Fuel Oil : 3.4%
|
| Colfax | DTE Electric Company | Fowlerville, MI | 146 MWh | Oct 1969 | Dec 2025 |
Distillate Fuel Oil
|
| Monroe (MI) | DTE Electric Company | Monroe, MI | 16 TWh | Oct 1969 | May 2026 |
Subbituminous Coal : 75.2%
Bituminous Coal : 15.7%
Petroleum Coke : 8.9%
|
| Benndale | Cooperative Energy | Benndale, MS | 49 GWh | Sep 1969 | Dec 2025 |
Natural Gas
|
| DeRidder Mill | Packaging Corporation of America | DeRidder, LA | 405 GWh | Sep 1969 | Dec 2025 |
Black Liquor : 44.6%
Wood/Wood Waste Solids : 37.8%
Natural Gas : 17.6%
|
| Marshall (MN) | City of Marshall - (MN) | Marshall, MN | 93 MWh | Jun 1969 | Dec 2025 |
Distillate Fuel Oil
|
| Point Beach Nuclear Plant | NextEra Energy Point Beach LLC | Two Rivers, WI | 10 TWh | May 1969 | May 2026 |
Nuclear
|
| Pine Street | Village of Sebewaing - (MI) | Sebewaing, MI | 462 MWh | May 1969 | Dec 2025 |
Natural Gas
|
| Merl Parr | MidAmerican Energy Co | Charles City, IA | 3 GWh | Apr 1969 | Dec 2025 |
Natural Gas
|
| Kaukauna Gas Turbine | City of Kaukauna (WI) | Kaukauna, WI | 2 GWh | Apr 1969 | Dec 2025 |
Natural Gas
|
| Escanaba Mill | Billerud Escanaba LLC | Escanaba, MI | 452 GWh | Dec 1968 | May 2026 |
Black Liquor : 45.8%
Natural Gas : 31.6%
Wood/Wood Waste Solids : 21.8%
Residual Fuel Oil : 0.8%
|
| ArcelorMittal Burns Harbor | Cleveland-Cliffs Burns Harbor LLC | Burns Harbor, IN | 719 GWh | Dec 1968 | Dec 2025 |
Blast Furnace Gas : 37.1%
Natural Gas : 32.1%
Other Gas : 30.8%
|
| Purdue University | Purdue University | West Lafayette, IN | 115 GWh | Dec 1968 | May 2026 |
Natural Gas : 93.6%
Bituminous Coal : 6.4%
|
| Preston (IA) | City of Preston - (IA) | Preston, IA | 9 MWh | Nov 1968 | Dec 2025 |
Natural Gas : 85.1%
Distillate Fuel Oil : 14.9%
|
| Wilmot | DTE Electric Company | Kingston Twp, MI | 2 GWh | Nov 1968 | Apr 2026 |
Distillate Fuel Oil
|
| City of Peru Plank Road Generating Station | City of Peru - (IL) | Peru, IL | 21 GWh | Sep 1968 | May 2026 |
Water : 97.9%
Distillate Fuel Oil : 1.8%
|
| City of Peru Water Street Generating Sta | City of Peru - (IL) | Peru, IL | 33 MWh | Sep 1968 | Dec 2025 |
Jet Fuel
|
| Detroit Lakes | City of Detroit Lakes - (MN) | Detroit Lakes, MN | 41 MWh | Jun 1968 | Dec 2025 |
Distillate Fuel Oil
|
| Dallman | City of Springfield - (IL) | Springfield, IL | 828 GWh | May 1968 | May 2026 |
Bituminous Coal : 99.5%
Natural Gas : 0.5%
|
| Burlington (IA) | Interstate Power and Light Co | Burlington, IA | 26 GWh | May 1968 | May 2026 |
Natural Gas
|
| Valley (WI) | Wisconsin Electric Power Co | Milwaukee, WI | 376 GWh | May 1968 | May 2026 |
Natural Gas
|
| Georgia-Pacific Monticello Paper | Georgia-Pacific Monticello LLC | Monticello, MS | 550 GWh | May 1968 | Dec 2024 |
Black Liquor : 47.2%
Natural Gas : 40.2%
Wood/Wood Waste Solids : 12.6%
|
| Ames Electric Services Power Plant | City of Ames - (IA) | Ames, IA | 285 GWh | Apr 1968 | Dec 2025 |
Natural Gas : 91.0%
Other Biomass Solids : 9.0%
|
| Gas Turbine (IA) | Cedar Falls Utilities | Cedar Falls, IA | 1 GWh | Dec 1967 | Dec 2025 |
Natural Gas
|
| Mosaic Phosphates Uncle Sam | Mosaic Phosphates Co. | Uncle Sam, LA | 102 GWh | Dec 1967 | May 2026 |
Waste Heat : 96.8%
Natural Gas : 3.2%
|
| Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | 28 MWh | Nov 1967 | Dec 2025 |
Natural Gas
|
| AES Petersburg | AES Indiana | Petersburg, IN | 5 TWh | May 1967 | May 2026 |
Bituminous Coal : 99.8%
|
| Sioux | Union Electric Co - (MO) | West Alton, MO | 4 TWh | Apr 1967 | May 2026 |
Subbituminous Coal : 78.0%
Bituminous Coal : 21.9%
|
| Highland | City of Highland - (IL) | Highland, IL | 222 MWh | Feb 1967 | Dec 2025 |
Distillate Fuel Oil
|
| Markland | Duke Energy Indiana, LLC | Florence, IN | 253 GWh | Dec 1966 | Dec 2025 |
Water
|
| Claude Vandyke | Wolverine Power Supply Coop | Dorr, MI | 8 GWh | Dec 1966 | Dec 2025 |
Natural Gas
|
| International Paper Vicksburg Mill | International Paper Co-Vicksbg | Vicksburg, MS | 214 GWh | Dec 1966 | May 2026 |
Black Liquor : 54.1%
Natural Gas : 29.8%
Wood/Wood Waste Solids : 16.1%
|
| F B Culley | Southern Indiana Gas & Elec Co | Newburgh, IN | 1 TWh | Nov 1966 | May 2026 |
Bituminous Coal : 98.0%
Natural Gas : 2.0%
|
| Superior | DTE Electric Company | Superior Twp, MI | 789 MWh | Sep 1966 | Dec 2025 |
Distillate Fuel Oil
|
| Atlantic | Atlantic Municipal Utilities (IA) | Atlantic, IA | 115 MWh | Aug 1966 | Dec 2025 |
Natural Gas
|
| River Hills | MidAmerican Energy Co | Des Moines, IA | 2 GWh | Apr 1966 | Dec 2025 |
Natural Gas
|
| Northeast (MI) | DTE Electric Company | Warren, MI | 15 GWh | Apr 1966 | Dec 2025 |
Natural Gas : 86.8%
Distillate Fuel Oil : 13.2%
|
| Fermi | DTE Electric Company | Frenchtown Twp, MI | 8 TWh | Mar 1966 | May 2026 |
Nuclear
|
| Hancock | DTE Electric Company | Commerce Twp, MI | 20 GWh | Mar 1966 | Dec 2025 |
Natural Gas
|
| St Francisville Mill | Hood Container of Louisiana, LLC | St. Francisville, LA | 110 GWh | Feb 1966 | Dec 2024 |
Black Liquor : 58.6%
Natural Gas : 41.4%
|
| New Lisbon | City of New Lisbon (WI) | New Lisbon, WI | 55 MWh | Dec 1965 | Dec 2025 |
Distillate Fuel Oil
|
| ExxonMobil Beaumont Refinery | ExxonMobil Oil Corp | Beaumont, TX | 4 TWh | Dec 1965 | May 2026 |
Natural Gas : 96.6%
Other Gas : 3.4%
|
| T B Simon Power Plant | Michigan State University | East Lansing, MI | 263 GWh | Nov 1965 | May 2026 |
Natural Gas
|
| Sam Rayburn Dam | USACE-Fort Worth District | Jasper, TX | 208 GWh | Aug 1965 | Dec 2025 |
Water
|
| American Crystal Sugar Drayton | American Crystal Sugar Co | Drayton, ND | 43 GWh | Aug 1965 | Dec 2025 |
Subbituminous Coal
|
| D G Hunter | City of Alexandria - (LA) | Alexandria, LA | 91 GWh | Apr 1965 | Dec 2025 |
Natural Gas
|
| Hibbing | Hibbing Public Utilities Comm | Hibbing, MN | 40 GWh | Mar 1965 | Dec 2025 |
Natural Gas : 52.2%
Wood/Wood Waste Solids : 46.4%
Bituminous Coal : 1.4%
|
| Nine Springs | Madison Gas & Electric Co | Madison, WI | 89 MWh | Nov 1964 | Dec 2025 |
Natural Gas
|
| Carlyle | City of Carlyle - (IL) | Carlyle, IL | 208 MWh | Jul 1964 | Dec 2025 |
Distillate Fuel Oil
|
| George Neal North | MidAmerican Energy Co | Sergeant Bluff, IA | 2 TWh | Apr 1964 | May 2026 |
Subbituminous Coal : 98.8%
Natural Gas : 1.2%
|
| Story City | City of Story City - (IA) | Story City, IA | 315 MWh | Dec 1963 | Dec 2025 |
Distillate Fuel Oil : 87.0%
Natural Gas : 13.0%
|
| Plant 31 Paper Mill | Graphic Packaging International | West Monroe, LA | 515 GWh | Dec 1963 | Dec 2025 |
Natural Gas : 62.4%
Black Liquor : 25.3%
Wood/Wood Waste Solids : 12.3%
|
| Grantsburg Diesel | Northwestern Wisconsin Elec Co | Grantsburg, WI | 26 MWh | Nov 1963 | Dec 2025 |
Distillate Fuel Oil
|
| Grundy Center City Light Plant | Grundy Center Mun Light & Power | Grundy Center, IA | 109 MWh | Oct 1963 | Dec 2025 |
Distillate Fuel Oil
|
| Streeter Station | Cedar Falls Utilities | Cedar Falls, IA | 8 GWh | Aug 1963 | Dec 2024 |
Natural Gas : 94.0%
Bituminous Coal : 6.0%
|
| Osage (IA) | City of Osage - (IA) | Osage, IA | 5 GWh | Aug 1963 | Dec 2025 |
Wind : 81.8%
Solar : 18.2%
|
| Litchfield | Litchfield Public Utilities | Litchfield, MN | 861 MWh | Aug 1963 | Dec 2025 |
Distillate Fuel Oil : 54.6%
Natural Gas : 45.4%
|
| Marion | Southern Illinois Power Coop | Marion, IL | 798 GWh | May 1963 | May 2026 |
Bituminous Coal : 86.6%
Natural Gas : 12.8%
Distillate Fuel Oil : 0.6%
|
| Traer Main | City of Traer - (IA) | Traer, IA | 65 MWh | Dec 1962 | Dec 2025 |
Distillate Fuel Oil : 98.5%
Natural Gas : 1.5%
|
| J H Campbell | Consumers Energy Co - (MI) | West Olive, MI | 5 TWh | Sep 1962 | May 2026 |
Subbituminous Coal : 99.6%
|
| Sabine | Entergy Texas Inc. | Orange, TX | 4 TWh | Dec 1961 | May 2026 |
Natural Gas
|
| L L Wilkins | Clarksdale Public Utilities | Clarksdale, MS | 166 MWh | Sep 1961 | Aug 2025 |
Natural Gas : 71.4%
Distillate Fuel Oil : 28.6%
|
| MU Combined Heat and Power Plant | Curators of the University of Missouri | Columbia, MO | 200 GWh | Jun 1961 | May 2026 |
Natural Gas : 77.2%
Wood/Wood Waste Solids : 20.4%
Bituminous Coal : 2.4%
|
| Coughlin Power Station | Cleco Power LLC | St Landry, LA | 3 TWh | Mar 1961 | May 2026 |
Natural Gas
|
| Little Gypsy | Entergy Louisiana LLC | La Place, LA | 964 GWh | Feb 1961 | May 2026 |
Natural Gas
|
| Blue Earth | Blue Earth Light & Water | Blue Earth, MN | 96 MWh | Oct 1960 | Dec 2024 |
Distillate Fuel Oil
|
| Iowa State University | Iowa State University | Ames, IA | 71 GWh | Sep 1960 | May 2026 |
Natural Gas : 97.7%
Distillate Fuel Oil : 2.3%
|
| Manistique | Cloverland Electric Co-op | Manistique, MI | 1 GWh | Jun 1960 | Dec 2025 |
Distillate Fuel Oil
|
| Warrick | AGC Division of APGI Inc | Newburgh, IN | 3 TWh | Mar 1960 | May 2026 |
Bituminous Coal : 98.3%
Natural Gas : 1.7%
|
| Alverno Hydro Plant | Energen Renewables, LLC | Cheboygan, MI | 3 GWh | Dec 1959 | Dec 2025 |
Water
|
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | 2 TWh | Nov 1959 | May 2026 |
Subbituminous Coal : 99.5%
|
