| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | 14 GWh | Oct 1924 | Dec 2024 |
Water
|
| Remmel | Entergy Arkansas LLC | Malvern, AR | 30 GWh | Dec 1924 | Dec 2024 |
Water
|
| Dayton Hydro | Eagle Creek Renewable Energy, LLC | Ottawa, IL | 16 GWh | Dec 1924 | Dec 2024 |
Water
|
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | 5 GWh | Dec 1924 | Dec 2024 |
Water
|
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | 9 GWh | Dec 1924 | Dec 2024 |
Water
|
| CC Perry K | Citizens Thermal Energy | Indianapolis, IN | 6 GWh | Dec 1924 | Sep 2025 |
Natural Gas
|
| Alexander | Wisconsin Public Service Corp | Merrill, WI | 19 GWh | Dec 1924 | Dec 2024 |
Water
|
| Blanchard | ALLETE, Inc. | Royalton, MN | 82 GWh | Jan 1925 | Dec 2024 |
Water
|
| Hodenpyl | Consumers Energy Co - (MI) | Mesick, MI | 40 GWh | Jun 1925 | Dec 2024 |
Water
|
| Oakdale | Northern Indiana Pub Serv Co | Monticello, IN | 17 GWh | Oct 1925 | Dec 2024 |
Water
|
| Kimberly Mill | City of Kaukauna | Appleton, WI | 14 GWh | Dec 1925 | Dec 2024 |
Water
|
| Rapide Croche | City of Kaukauna | Kaukana, WI | 17 GWh | Dec 1925 | Dec 2024 |
Water
|
| Kilbourn | Wisconsin Power & Light Co | Wisconsin Dells, WI | 58 GWh | Jun 1926 | Dec 2024 |
Water
|
| Thornapple | Northern States Power Co - Minnesota | Bruce, WI | 8 GWh | Dec 1926 | Dec 2024 |
Water
|
| Trego | Northern States Power Co - Minnesota | Hayward, WI | 7 GWh | Dec 1926 | Dec 2024 |
Water
|
| Boise Cascade International Falls | Boise White Paper LLC | International Falls, MN | 338 GWh | Dec 1926 | Sep 2025 |
Black Liquor : 63.8%
Natural Gas : 22.3%
Wood/Wood Waste Solids : 12.5%
Sludge Waste : 1.3%
|
| Chalk Hill | Wisconsin Electric Power Co | Stephenson, MI | 14 GWh | Apr 1927 | Dec 2024 |
Water
|
| Thief River Falls | City of Thief River Falls | Thief River Falls, MN | 3 GWh | Jul 1927 | Dec 2024 |
Water : 99.6%
|
| White Rapids | Wisconsin Electric Power Co | Stephenson, MI | 30 GWh | Sep 1927 | Dec 2024 |
Water
|
| Chippewa Falls | Northern States Power Co - Minnesota | Chippewa Falls, WI | 63 GWh | Dec 1927 | Dec 2024 |
Water
|
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | 704 MWh | May 1928 | Dec 2024 |
Water
|
| Argyle | City of Argyle - (WI) | Argyle, WI | 24 MWh | Dec 1928 | Dec 2024 |
Water : 87.5%
Distillate Fuel Oil : 12.5%
|
| Rockton | Eagle Creek Renewable Energy, LLC | Rockton, IL | 6 GWh | Dec 1928 | Dec 2024 |
Water
|
| Sappi Cloquet Mill | Sappi Cloquet LLC | Cloquet, MN | 448 GWh | Dec 1928 | Sep 2025 |
Black Liquor : 64.5%
Wood/Wood Waste Solids : 17.7%
Natural Gas : 13.6%
Water : 3.5%
|
| Flambeau Crowley Rapids Project | Renewable World Energies LLC | Park Falls, WI | 3 GWh | Dec 1929 | Dec 2024 |
Water
|
| Arcadia Electric | City of Arcadia - (WI) | Arcadia, WI | 150 MWh | Dec 1929 | Dec 2024 |
Distillate Fuel Oil : 67.3%
Natural Gas : 32.7%
|
| Louisiana Sugar Refining | Louisiana Sugar Refining LLC | Gramercy, LA | 20 GWh | Aug 1930 | Dec 2024 |
Natural Gas
|
| Victoria Dam | Upper Peninsula Power Company | Rockland, MI | 26 GWh | Dec 1930 | Dec 2024 |
Water
|
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | 72 GWh | May 1931 | Dec 2024 |
Water
|
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | 5 GWh | Jul 1931 | Apr 2024 |
Water
|
| Osage Dam | Union Electric Co - (MO) | Eldon, MO | 497 GWh | Sep 1931 | Dec 2024 |
Water
|
| Prickett | Upper Peninsula Power Company | Pelkie, MI | 7 GWh | Oct 1931 | Dec 2024 |
Water
|
| Carpenter | Entergy Arkansas LLC | Hot Springs, AR | 102 GWh | Dec 1931 | Dec 2024 |
Water
|
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | 155 GWh | Jun 1932 | Dec 2024 |
Water
|
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | 3 GWh | Jul 1932 | Dec 2024 |
Water
|
| Cashton | Village of Cashton - (WI) | Cashton, WI | 8 MWh | Jul 1932 | Dec 2024 |
Distillate Fuel Oil : 98.9%
Natural Gas : 1.1%
|
| Allegan Dam | Consumers Energy Co - (MI) | Allegan, MI | 12 GWh | Dec 1934 | Dec 2024 |
Water
|
| Jackson (MO) | City of Jackson - (MO) | Jackson, MO | 146 MWh | Dec 1935 | Dec 2024 |
Distillate Fuel Oil : 58.6%
Natural Gas : 41.4%
|
| Blooming Prairie | City of Blooming Prairie - (MN) | Blooming Prairie, MN | 234 MWh | Apr 1937 | Dec 2024 |
Distillate Fuel Oil
|
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | 11 GWh | Dec 1937 | Dec 2024 |
Water
|
| Ubly | Thumb Electric Coop of Mich | Ubly, MI | 12 MWh | May 1938 | Dec 2024 |
Distillate Fuel Oil : 63.3%
Natural Gas : 36.7%
|
| Truman | City of Truman | Truman, MN | 39 MWh | Aug 1938 | Dec 2024 |
Distillate Fuel Oil
|
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | 80 GWh | Nov 1938 | Dec 2024 |
Water
|
| Anheuser-Busch St Louis | Anheuser-Busch Inc | St. Louis, MO | 42 GWh | Dec 1938 | Sep 2025 |
Natural Gas : 93.2%
Other Biomass Gas : 6.8%
|
| Cumberland (WI) | City of Cumberland - (WI) | Cumberland, WI | 260 MWh | Jul 1939 | Dec 2024 |
Distillate Fuel Oil : 71.5%
Natural Gas : 28.5%
|
| Indiana Harbor West | Cleveland Cliffs | East Chicago, IN | 245 GWh | Sep 1939 | Dec 2024 |
Natural Gas
|
| Anita | City of Anita - (IA) | Anita, IA | 13 MWh | Sep 1939 | Dec 2024 |
Distillate Fuel Oil
|
| Ladysmith Dam | Northern States Power Co - Minnesota | Ladysmith, WI | 11 GWh | Dec 1939 | Dec 2024 |
Water
|
| French Island | Northern States Power Co - Minnesota | La Cross, WI | 60 GWh | Dec 1939 | Sep 2025 |
Wood/Wood Waste Solids : 47.5%
Non-biogenic Municipal Solid Waste : 28.4%
Biogenic Municipal Solid Waste : 23.3%
|
| Lamoni Municipal Utilities | City of Lamoni - (IA) | Lamoni, IA | 86 MWh | Feb 1940 | Dec 2024 |
Distillate Fuel Oil
|
| Bushnell | City of Bushnell - (IL) | Bushnell, IL | 49 MWh | May 1940 | Dec 2024 |
Distillate Fuel Oil
|
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | 119 MWh | Jul 1940 | Dec 2024 |
Distillate Fuel Oil : 63.8%
Natural Gas : 36.2%
|
| University of Illinois Abbott Power Plt | University of Illinois | Champaign, IL | 211 GWh | Oct 1940 | Dec 2024 |
Natural Gas : 97.4%
Bituminous Coal : 2.6%
|
| Kaukauna City Hydro | City of Kaukauna | Kaukauna, WI | 23 GWh | Nov 1940 | Dec 2024 |
Water
|
| Kahoka | City of Kahoka | Kahoka, MO | 5 MWh | Dec 1940 | Dec 2024 |
Distillate Fuel Oil
|
| McGregor | City of McGregor- (IA) | McGregor, IA | 7 MWh | Nov 1941 | Dec 2024 |
Distillate Fuel Oil
|
| Du Bay | Consolidated Water Power Co | Eau Pleine, WI | 43 GWh | Dec 1941 | Dec 2024 |
Water
|
| Moline | MidAmerican Energy Co | Moline, IL | 19 GWh | Dec 1941 | Dec 2024 |
Water : 94.4%
Natural Gas : 5.6%
|
| CITGO Refinery Powerhouse | CITGO Petroleum Corp | Sulphur, LA | 226 GWh | Dec 1941 | Dec 2024 |
Other Gas
|
| Clam River Dam | Renewable World Energies LLC | Danbury, WI | 5 GWh | Mar 1942 | Dec 2024 |
Water
|
| Rapids Energy Center | ALLETE, Inc. | Grand Rapids, MN | 40 GWh | Dec 1942 | Dec 2024 |
Natural Gas : 77.3%
Water : 22.7%
|
| Peavy Falls | Wisconsin Electric Power Co | Crystal Falls, MI | 37 GWh | Dec 1942 | Dec 2024 |
Water
|
| Melrose | Melrose Public Utilities | Melrose, MN | 49 MWh | Jun 1945 | Dec 2024 |
Distillate Fuel Oil
|
| Washington Island | Washington Island El Coop, Inc | Washington Island, WI | 9 MWh | Nov 1945 | Dec 2023 |
Distillate Fuel Oil
|
| Forest City Light Plant | City of Forest City- (IA) | Forest City, IA | 225 MWh | Dec 1945 | Dec 2024 |
Distillate Fuel Oil
|
| Waterloo | City of Waterloo - (IL) | Waterloo, IL | 491 MWh | May 1946 | Dec 2024 |
Natural Gas : 68.9%
Distillate Fuel Oil : 31.1%
|
| Sullivan (IL) | City of Sullivan - (IL) | Sullivan, IL | 255 MWh | May 1946 | Sep 2025 |
Distillate Fuel Oil
|
| Delano | Delano Municipal Utilities | Delano, MN | 52 MWh | Sep 1946 | Dec 2024 |
Distillate Fuel Oil
|
| University of Iowa Main Power Plant | University of Iowa | Iowa City, IA | 4 GWh | Dec 1946 | Sep 2024 |
Natural Gas : 51.7%
Other Biomass Solids : 19.1%
Wood/Wood Waste Solids : 18.4%
Bituminous Coal : 10.8%
|
| Hillsdale | Hillsdale Board of Public Wks | Hillsdale, MI | 196 MWh | Feb 1947 | Dec 2024 |
Natural Gas : 89.6%
Distillate Fuel Oil : 10.4%
|
| Main Street (MI) | Village of Sebewaing - (MI) | Sebewaing, MI | 1 MWh | May 1947 | Dec 2023 |
Distillate Fuel Oil
|
| Bellevue | City of Bellevue - (IA) | Bellevue, IA | 61 MWh | Jun 1947 | Dec 2024 |
Distillate Fuel Oil
|
| PPG Riverside | Westlake 2 US LLC | Lake Charles, LA | 59 GWh | Aug 1947 | Jul 2025 |
Purchased Steam
|
| Biron Mill | ND Paper, Inc. | Wisconsin Rapids, WI | 96 GWh | Aug 1947 | Dec 2024 |
Natural Gas : 79.6%
Subbituminous Coal : 20.4%
|
| Whiting Refinery | BP PLC | Whiting, IN | 360 GWh | Dec 1947 | Dec 2024 |
Other Gas : 81.0%
Natural Gas : 19.0%
|
| Alexandria | City of Alexandria - (MN) | Alexandria, MN | 43 MWh | Dec 1947 | Dec 2024 |
Distillate Fuel Oil
|
| Sabine River Operations | The Dow Chemical Company | Orange, TX | 3 TWh | Dec 1947 | Sep 2025 |
Natural Gas : 99.3%
Other Gas : 0.7%
|
| Wyandotte | Wyandotte Municipal Serv Comm | Wyandotte, MI | 89 MWh | Dec 1947 | Jun 2025 |
Distillate Fuel Oil
|
| Bancroft | Bancroft Municipal Utilities | Bancroft, IA | 96 MWh | Dec 1947 | Dec 2024 |
Distillate Fuel Oil
|
| Elk River City of | City of Elk River | Elk River, MN | 32 MWh | Feb 1948 | Dec 2023 |
Distillate Fuel Oil
|
| Little Chute | City of Kaukauna | Combined Locks, WI | 24 GWh | May 1948 | Dec 2024 |
Water
|
| Freeburg | Village of Freeburg - (IL) | Freeburg, IL | 122 MWh | Jul 1948 | Dec 2024 |
Distillate Fuel Oil
|
| Lenox | City of Lenox - (IA) | Lenox, IA | 39 MWh | Aug 1948 | Dec 2024 |
Distillate Fuel Oil
|
| Wilmarth | Northern States Power Co - Minnesota | Mankato, MN | 100 GWh | Aug 1948 | Sep 2025 |
Non-biogenic Municipal Solid Waste : 54.3%
Biogenic Municipal Solid Waste : 44.4%
Natural Gas : 1.3%
|
| MSC Croswell | Michigan Sugar Company | Croswell, MI | 36 MWh | Sep 1948 | Jan 2025 |
Natural Gas
|
| Carmi | City of Carmi - (IL) | Carmi, IL | 230 MWh | Nov 1948 | Dec 2024 |
Distillate Fuel Oil
|
| Preston (MN) | Preston Public Utilities Comm | Preston, MN | 163 MWh | Dec 1948 | Dec 2024 |
Distillate Fuel Oil : 62.3%
Natural Gas : 37.7%
|
| Bay Front | Northern States Power Co - Minnesota | Ashland, WI | 160 GWh | Dec 1948 | Dec 2024 |
Wood/Wood Waste Solids : 95.3%
Tire-derived Fuels : 4.1%
Natural Gas : 0.6%
|
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | 6 GWh | Feb 1949 | Dec 2024 |
Water
|
| Peru (IN) | City of Peru - (IN) | Peru, IN | 6 MWh | May 1949 | Dec 2024 |
Distillate Fuel Oil
|
| M L Hibbard | ALLETE, Inc. | Duluth, MN | 95 GWh | May 1949 | Sep 2025 |
Wood/Wood Waste Solids : 93.3%
Subbituminous Coal : 5.9%
Natural Gas : 0.8%
|
| Petenwell | Wisconsin River Power Company | Necedah, WI | 108 GWh | Jul 1949 | Dec 2024 |
Water
|
| Caro | Thumb Electric Coop of Mich | Caro, MI | 6 MWh | Jul 1949 | Dec 2023 |
Distillate Fuel Oil
|
| Pulliam | Wisconsin Public Service Corp | Green Bay, WI | 109 GWh | Aug 1949 | Sep 2025 |
Natural Gas
|
| Red Wing | Northern States Power Co - Minnesota | Red Wing, MN | 126 GWh | Sep 1949 | Sep 2025 |
Non-biogenic Municipal Solid Waste : 52.4%
Biogenic Municipal Solid Waste : 42.8%
Wood/Wood Waste Solids : 4.0%
Natural Gas : 0.8%
|
| Big Quinnesec 92 | Wisconsin Electric Power Co | Iron Mountain, MI | 89 GWh | Oct 1949 | Dec 2024 |
Water
|
| Way Dam | Wisconsin Electric Power Co | Crystal Falls, MI | 5 GWh | Nov 1949 | Dec 2024 |
Water
|
| PCA, Filer City Mill | PCA, Filer City Mill | Filer City, MI | 91 GWh | Dec 1949 | Sep 2025 |
Natural Gas
|
| Holcombe | Northern States Power Co - Minnesota | Holcombe, WI | 93 GWh | Dec 1949 | Dec 2024 |
Water
|
| Frank Jenkins | City of Portland - (MI) | Portland, MI | 59 MWh | Apr 1950 | Dec 2024 |
Distillate Fuel Oil : 81.8%
Natural Gas : 18.2%
|