| Elm Road Generating Station | WEC Energy Group | 5,879,315 | |
| Columbia | Alliant Energy | 4,621,127 | |
| South Oak Creek | WEC Energy Group | 3,951,885 | |
| Port Washington Generating Station | WEC Energy Group | 3,154,314 | |
| Weston | WEC Energy Group | 3,030,740 | |
| Riverside Energy Center | Alliant Energy | 2,867,896 | |
| Edgewater (4050) | Alliant Energy | 2,086,756 | |
| Fox Energy Center | WEC Energy Group | 1,625,577 | |
| J P Madgett | Dairyland Power Cooperative | 1,546,538 | |
| GRAYMONT (WI) LLC | GRAYMONT LTD | 521,551 | |
| Valley (WEPCO) | WEC Energy Group | 416,963 | |
| Neenah Energy Facility | Alliant Energy | 368,505 | |
| Rockgen Energy Center | Dairyland Power Cooperative | 349,879 | |
| Sheboygan Falls Energy Facility | Alliant Energy | 334,103 | |
| Graymont WESTERN LIME EDEN | GRAYMONT LTD | 328,455 | |
| ND PAPER INC - BIRON DIVISION | Nine Dragons Paper | 320,692 | |
| GEORGIA-PACIFIC BROADWAY LLC | Koch Industries | 318,363 | |
| McKinley Paper WI Company | BIO PAPPEL | 287,871 | |
| Whitewater Generating Station | WEC Energy Group | 285,127 | |
| DOMTAR A. W. LLC-NEKOOSA | Paper Excellence Group | 267,877 | |
| Ahlstrom NA Specialty Solutions LLC | Bain Capital | 217,180 | |
| West Campus Cogeneration Facility | MGE ENERGY INC | 211,764 | |
| PACKAGING CORPORATION OF AMERICA-TOMAHAWK | Packaging Corporation of America | 202,705 | |
| Ahlstrom Mosinee LLC | Bain Capital | 201,415 | |
| PROCTER & GAMBLE PAPER PRODUCTS CO | Procter & Gamble | 191,281 | |
| Superior Refining Company LLC | Cenovus Energy | 185,344 | |
| WAUPACA FOUNDRY, INC-PLANTS 2 & 3 | Bain Capital | 167,496 | |
| UW Madison - Charter St. | State of Wisconsin | 162,462 | |
| Graymont Western Lime GREEN BAY | GRAYMONT LTD | 161,964 | |
| CARMEUSE LIME & STONE ROCKWELL OPERATION | Carmeuse | 160,190 | |
| CHARTER STEEL | CHARTER MANUFACTURING CO INC | 143,251 | |
| JANESVILLE CITY/ROCK COUNTY LANDFILL | City of Janesville, WI | 143,193 | |
| Georgia-Pacific Broadway LLC | Koch Industries | 140,472 | |
| West Marinette | WEC Energy Group | 136,222 | |
| Marquis Energy - Wisconsin, LLC | MARQUIS ENERGY LLC | 136,084 | |
| ATI LADISH LLC | ATI Inc. | 127,480 | |
| CARDINAL FG | CARDINAL GLASS INDUSTRIES | 124,207 | |
| GREEN BAY PACKAGING INC MILL DIVISION | Green Bay Packaging | 120,354 | |
| Ahlstrom NA Specialty Solutions LLC | Bain Capital | 118,121 | |
| Paris | WEC Energy Group | 118,092 | |
| CARDINAL FG COMPANY | CARDINAL GLASS INDUSTRIES | 114,973 | |
| BADGER STATE ETHANOL | BADGER STATE ETHANOL LLC | 111,351 | |
| UNITED ETHANOL, LLC | United Cooperative | 96,346 | |
| WISCONSIN RAPIDS PAPER MILL | Billerud | 91,072 | |
| DIDION ETHANOL LLC | Didion Milling | 88,974 | |
| Concord | WEC Energy Group | 88,705 | |
| De Pere Energy Center | WEC Energy Group | 88,468 | |
| Big River Resources Boyceville, LLC | Growmark | 87,265 | |
| UNITED WISCONSIN GRAIN PRODUCERS LLC | UNITED WISCONSIN GRAIN PRODUCERS LLC | 86,983 | |
| Waupaca Foundry INC. - PLT 1 | Hitachi | 83,654 | |
| ACE ETHANOL LLC | Ace Ethanol | 80,642 | |
| MOCCASIN MIKE SANITARY LANDFILL | City of Superior, WI | 79,332 | |
| Manitowoc | Manitowoc Public Utilities | 76,260 | |
| Ardagh Glass Inc. (Burlington) | Ardagh Packaging Group | 76,121 | |
| ORCHARD RIDGE LANDFILL & MRF | Waste Management Inc. | 75,486 | |
| STEVENS POINT MILL | H.I.G. Capital | 74,419 | |
| MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT | MILWAUKEE METROPOLITAN SEWERAGE DISTRICT | 73,395 | |
| Pulliam | WEC Energy Group | 70,913 | |
| Kohler Co. | Kohler | 64,409 | |
| Essity Professional Hygiene North America LLC | Essity | 63,907 | |
| GREDE LLC REEDSBURG | Gamut Capital | 59,648 | |
| Fox River Valley Ethanol, LLC | Ace Ethanol | 55,623 | |
| OUTAGAMIE COUNTY LANDFILL | Outagamie County, WI | 55,561 | |
| WISCONSIN GAS COMPANY | WEC Energy Group | 53,513 | |
| U S PAPER MILLS Menasha | Sonoco Products | 49,679 | |
| Ahlstrom North America SPECIALTY SOLUTIONS | Bain Capital | 49,418 | |
| MALLARD RIDGE LANDFILL, INC | GFL Environmental | 46,406 | |
| NEENAH PAPER INC - WHITING MILL | Mativ Holdings | 44,663 | |
| WISCONSIN ELECTRIC POWER COMPANY | WEC Energy Group | 43,642 | |
| LA CROSSE COUNTY SOLID WASTE MANAGEMENT FACILITY | La Crosse County, WI | 43,211 | |
| Rothschild Biomass Cogeneration Plant | WEC Energy Group | 41,885 | |
| HICKORY MEADOWS LANDFILL, LLC | GFL Environmental | 41,846 | |
| EMERALD PARK LANDFILL LLC | GFL Environmental | 41,069 | |
| Wisconsin Public Service Corporation | WEC Energy Group | 40,332 | |
| NEENAH FOUNDRY CO PLTS 2 & 3 | Charlotte Pipe and Foundry Co. | 40,126 | |
| MILWAUKEE REGIONAL MEDICAL CENTER THERMAL | MILWAUKEE REGIONAL MEDICAL CENTER INC | 39,824 | |
| KIMBERLY-CLARK CORP | Kimberly-Clark | 39,084 | |
| MCCAIN FOODS USA INC | McCain Foods | 39,067 | |
| SAPUTO CHEESE USA INC | Saputo | 38,558 | |
| Grassland Dairy Products, Inc. | GRASSLAND DAIRY PRODUCTS INC | 38,018 | |
| French Island | Xcel Energy | 36,165 | |
| WISCONSIN PAPERBOARD | Greif Inc. | 36,086 | |
| Troy Area Landfill | Republic Services | 35,972 | |
| 3M CO - WAUSAU DOWNTOWN | 3M Company | 35,941 | |
| MERCURY MARINE FOND DU LAC COMPLEX | Brunswick Corp. | 33,504 | |
| Little Rapids - Shawano Paper Mill | LITTLE RAPIDS CORP | 33,064 | |
| Hi-Crush Inc Wyeville | Atlas Energy Solutions | 33,045 | |
| ST PAPER LLC | ST PAPER LLC | 32,739 | |
| SEVEN MILE CREEK LANDFILL LLC | GFL Environmental | 32,328 | |
| Molson Coors-MILWAUKEE BREWERY | Molson Coors Beverage | 31,356 | |
| Dunn Paper - Ladysmith, LLC | Wynnchurch Capital | 29,542 | |
| Metro Recycling and Disposal Facility | Waste Management Inc. | 29,508 | |
| Agropur Inc. | Agropur | 28,456 | |
| SANIMAX USA LLC | Sanimax | 28,167 | |
| MARATHON COUNTY LANDFILL | Marathon County, WI | 27,743 | |
| FOX RIVER VALLEY ETHANOL LLC - PICKETT | Ace Ethanol | 27,738 | |
| Wheaton Generating Plant | Xcel Energy | 27,472 | |
| DANE CNTY LANDFILL SITE #2 RODEFELD | Dane County, WI | 27,439 | |
| FritoLay | PepsiCo | 26,835 | |
| GLACIER RIDGE LANDFILL LLC | GFL Environmental | 26,421 | |
| Cascades Tissue Group Wisconsin Inc | Cascades Inc. | 25,772 | |
| WATER RENEWAL CENTER | H.I.G. Capital | 25,034 | |
| SC JOHNSON & SON INC WAXDALE FACILITY | S.C. Johnson & Son | 24,715 | |
| APPVION - APPLETON PLT | Wynnchurch Capital | 24,684 | |
| Elk Mound Generating Station | Dairyland Power Cooperative | 24,124 | |
| Masonite Corporation | Owens Corning | 23,657 | |
| Wisconsin Power & Light Gas Distribution | Alliant Energy | 23,491 | |
| DEER TRACK PARK LANDFILL | Waste Management Inc. | 23,296 | |
| WASTE MANAGEMENT OF WISCONSIN, INC. | Waste Management Inc. | 22,559 | |
| Pheasant Run Recycling and Disposal Facility | Waste Management Inc. | 22,442 | |
| ERCO Worldwide (USA) Inc | Birch Hill Equity Partners | 22,426 | |
| ADVANCED DISPOSAL CRANBERRY CREEK LANDFILL LLC | Waste Management Inc. | 22,229 | |
| Quad/Graphics, Inc. - Lomira Facility | Quad/Graphics | 22,084 | |
| South Fond Du Lac | Alliant Energy | 20,963 | |
| UW Milwaukee | State of Wisconsin | 20,843 | |
| WINNEBAGO COUNTY SUNNYVIEW LANDFILL | Winnebago County, WI | 20,624 | |
| Nemak USA Inc. - Gateway | Nemak | 20,501 | |
| Skana Aluminum Company | Skana Aluminum Co. | 20,465 | |
| Neenah Inc | Mativ Holdings | 20,007 | |
| GEORGIA-PACIFIC CONSUMER OPERATIONS LLC | Koch Industries | 18,675 | |
| VALLEY TRAIL RECYCLING & DISPOSAL FACILITY | Waste Management Inc. | 17,736 | |
| W M W I - TIMBERLINE TRAIL RDF | Waste Management Inc. | 17,064 | |
| Aztalan Bio LLC | ClonBio Group | 15,063 | |
| Great Lakes Gas Transmission Pipeline Iron River CS#6 | TC Energy | 14,627 | |
| USG INTERIORS, LLC - WALWORTH PLANT | Knauf | 14,321 | |
| Bay Front | Xcel Energy | 14,220 | |
| Germantown Power Plant | WEC Energy Group | 13,651 | |
| Blount Street | MGE ENERGY INC | 13,003 | |
| LAKE AREA DISPOSAL LF | Republic Services | 11,888 | |
| KESTREL HAWK LANDFILL | Republic Services | 6,341 | |
| Seagrave Fire Apparatus LLC | Seagrave Fire Apparatus LLC | 2,590 | |
| Rock Energy Cooperative | ROCK ENERGY COOPERATIVE | 827 | |
| Rock River | Alliant Energy | 328 | |