| Ghent | PPL Corp. | 9,677,872 | |
| H L Spurlock | East Kentucky Power Cooperative | 7,372,549 | |
| Mill Creek | PPL Corp. | 7,214,107 | |
| Trimble County | PPL Corp. | 6,994,442 | |
| Shawnee | U.S. Government | 5,828,807 | |
| D B Wilson | Big Rivers Electric Corp. | 3,222,613 | |
| Paradise | U.S. Government | 2,534,934 | |
| East Bend | Duke Energy | 2,494,124 | |
| Catlettsburg Refining, LLC | Marathon Petroleum | 2,238,478 | |
| Cane Run | PPL Corp. | 1,806,075 | |
| KOSMOS CEMENT CO | Eagle Materials | 1,320,866 | |
| E.W. Brown | PPL Corp. | 1,062,999 | |
| CARMEUSE LIME BLACK RIVER OPERATION | Carmeuse | 886,781 | |
| Big Sandy | American Electric Power | 640,818 | |
| Century Aluminum Sebree LLC | Century Aluminum | 564,341 | |
| WESTLAKE VINYLS INC | Westlake Chemical | 489,941 | |
| CHEMOURS LOUISVILLE WORKS | Chemours | 486,171 | |
| John S. Cooper | East Kentucky Power Cooperative | 484,225 | |
| Nucor Steel Gallatin LLC | Nucor | 378,216 | |
| Warrior Coal, LLC | Alliance Resource Partners | 344,390 | |
| BIG RUN LANDFILL | Boyd County Sanitary Landfill Inc | 327,377 | |
| MISSISSIPPI LIME CO - VERONA PLANT | HBM Holdings | 322,597 | |
| Riverside Generating Company | LS Power | 284,168 | |
| Smith Generating Facility | East Kentucky Power Cooperative | 278,761 | |
| North American Stainless | Acerinox | 275,108 | |
| CARMEUSE LIME & STONE MAYSVILLE FACILITY | Carmeuse | 236,315 | |
| LOGAN ALUMINUM INC | UACJ Corp. | 230,180 | |
| CC METALS & ALLOYS, LLC | GEORGIAN AMERICAN ALLOYS INC | 204,520 | |
| DTE Calvert City, LLC | DTE Energy | 199,368 | |
| WEST DAVIES COUNTY LANDFILL | Daviess County, KY | 195,322 | |
| Pride Mine | American Consolidated Natural Resources Inc. | 193,919 | |
| Commonwealth Rolled Products | American Industrial Partners | 179,883 | |
| Phoenix Paper Wickliffe LLC | Shanying International | 177,856 | |
| CertainTeed Gypsum Silver Grove, LLC. | Saint-Gobain | 169,674 | |
| DOW SILICONES CORPORATION | Dow Inc. | 166,597 | |
| AMERICAN SYNTHETIC RUBBER | Michelin | 161,361 | |
| AIR PRODUCTS AND CHEMICALS INC - CATLETTSBURG HYDROGEN PLANT | Air Products & Chemicals | 147,006 | |
| Columbia Gulf Transmission - Morehead CS | TC Energy | 132,810 | |
| GLASGOW LANDFILL | City of Glasgow, KY | 131,732 | |
| DOMTAR PAPER CO LLC HAWESVILLE MILL | Paper Excellence Group | 131,171 | |
| Columbia Gulf Transmission - Grayson CS | TC Energy | 126,081 | |
| TGP Station 106 Clay City, KY | Kinder Morgan | 123,716 | |
| 15-18565/15-18662 | American Resources Corporation | 122,327 | |
| KIMBERLY-CLARK CORP OWENSBORO OPERATIONS | Kimberly-Clark | 121,014 | |
| Danville | Enbridge | 120,841 | |
| Owingsville | Enbridge | 118,716 | |
| WEST KENTUCKY LANDFILL | GFL Environmental | 113,432 | |
| R D Green | Big Rivers Electric Corp. | 107,752 | |
| COLUMBIA GULF TRANSMISSION CO. Clementsville CS | TC Energy | 107,551 | |
| ARKEMA, INC. | Arkema | 105,680 | |
| Columbia Gulf Transmission - Goodluck CS | TC Energy | 94,600 | |
| Columbia Gulf Transmission - Paint Lick | TC Energy | 93,906 | |
| Marshall | U.S. Government | 92,774 | |
| AGC FLAT GLASS N AMERICA INC | AGC Inc. | 90,786 | |
| TOYOTA MOTOR MANUFACTURING KENTUCKY INCORPORATED | Toyota | 84,406 | |
| INGEVITY VIRGINIA CORPORATION - CARBON PLANT | Ingevity | 80,868 | |
| HOPKINS CO REGIONAL LANDFILL - BITUMINOU | Waste Connections Inc. | 80,498 | |
| FORD MOTOR COMPANY - FORD KENTUCKY TRUCK PLANT | Ford Motor | 78,715 | |
| Nelson County Solid Waste Disposal Facility | Nelson County Fiscal Court, KY | 78,581 | |
| ISP CHEMICALS LLC | Ashland Inc. | 71,343 | |
| LAUREL RIDGE LANDFILL | Waste Connections Inc. | 68,747 | |
| UNIVERSITY OF KENTUCKY | University Of Kentucky | 67,867 | |
| TGP Station 200 Greenup, KY | Kinder Morgan | 66,053 | |
| CERTAINTEED GYPSUM & CEILING MFG INC | Saint-Gobain | 65,220 | |
| RUMPKE OF KENTUCKY INC | RUMPKE CONSOLIDATED COS INC | 65,096 | |
| COMMONWEALTH AGRI-ENERGY LLC | HOPKINSVILLE ELEVATOR CO | 64,909 | |
| Nucor Steel Brandenburg | Nucor | 64,560 | |
| TGP Station 114 Catlettsburg, KY | Kinder Morgan | 63,497 | |
| ROBARDS PROCESSING - TYSON CHICKEN INC. | Tyson Foods | 62,614 | |
| Buffalo Trace Distillery | SAZERAC | 62,607 | |
| OWENSBORO GRAIN CO | Cargill | 61,798 | |
| VEOLIA ES MOREHEAD LANDFILL | Waste Management Inc. | 61,696 | |
| SOUTHWIRE COMPANY KENTUCKY PLANT | Southwire | 57,297 | |
| NOVELIS ALUMINUM CORPORATION | Aditya Birla Group | 56,054 | |
| JIM BEAM BRANDS COMPANY | Suntory | 52,993 | |
| Monument Chemical Kentucky, LLC | Monument Chemical | 52,086 | |
| ANR Pipeline Madisonville CS | TC Energy | 51,492 | |
| Arcosa Lightweight - Brooks Plant | Arcosa Inc. | 51,444 | |
| Real Alloy Recycling, LLC | REAL ALLOY HOLDING LLC | 50,468 | |
| RUMPKE OF KENTUCKY INC | RUMPKE CONSOLIDATED COS INC | 50,324 | |
| Carbide Industries LLC | Carbide Industries | 50,321 | |
| International Paper - Maysville Mill | International Paper | 50,288 | |
| AUDUBON METALS LLC | KOCH ENTERPRISES | 49,175 | |
| LEXINGTON / FAYETTE LANDFILL | Lexington Fayette Urban County Government | 48,884 | |
| INTERNATIONAL PAPER - HENDERSON MILL | International Paper | 48,602 | |
| COLUMBIA GULF TRANSMISSION LLC STANTON CS | TC Energy | 48,488 | |
| LOU MED CENTER STEAM PLANT | Louisville Medical Center Inc. | 48,263 | |
| Pike Co. Landfill | Pike County Fiscal Court | 47,953 | |
| Central Kentucky Landfill | WASTE SERVICES OF BLUEGRASS | 47,040 | |
| Perdue Cromwell Processing Plant | Perdue | 46,301 | |
| DOZIT COMPANY LANDFILL | Republic Services | 44,525 | |
| TGP Station 096 Campbellsville, KY | Kinder Morgan | 42,553 | |
| CALGON CARBON CORP | Kuraray | 42,040 | |
| Blue Diamond Mining Mine 77 | Sev.en Energy | 41,827 | |
| FORD MOTOR COMPANY - FORD LOUISVILLE ASSEMBLY PLANT | Ford Motor | 40,581 | |
| HQ 101ST AIRBOURNE DIV | U.S. Government | 40,548 | |
| Siloam Fractionation | MPLX LP | 40,426 | |
| ROHM AND HAAS CHEMICALS LLC | Dow Inc. | 39,962 | |
| TGP Station 875 Richmond, KY | Kinder Morgan | 39,775 | |
| OUTER LOOP RECYCLING & DISPOSA | Waste Management Inc. | 38,637 | |
| TGP Station 871 Campbellsville, KY | Kinder Morgan | 37,753 | |
| GREEN VALLEY LANDFILL | Republic Services | 35,038 | |
| U.S. ARMY GARRISON FORT KNOX | U.S. Government | 34,369 | |
| VALLEY VIEW LANDFILL | Republic Services | 34,239 | |
| Hardin County Landfill | Hardin County, KY | 32,721 | |
| Bavarian Trucking Co., Inc. | BAVARIAN TRUCKING CO INC | 32,576 | |
| Darling Ingredients Inc. | Darling Ingredients | 31,706 | |
| Heaven Hill Distilleries - Bernheim Distillery | Heaven Hill Distilleries Inc | 30,343 | |
| OHIO COUNTY BALEFILL LANDFILL | Ohio County, KY | 30,311 | |
| Texas Gas Transmission - Hardinsburg Station | Loews Corp. | 29,962 | |
| JIM BEAM BRANDS COMPANY | Suntory | 28,007 | |
| Texas Gas Transmission - Slaughters Station | Loews Corp. | 27,984 | |
| DART CONTAINER CORPORATION OF KENTUCKY | Dart Container | 27,086 | |
| Columbia Gulf Transmission - Means CS | TC Energy | 26,884 | |
| Benson Valley LF | Republic Services | 26,622 | |
| Haier US Appliance Solutions, Inc. | Haier | 26,399 | |
| Clariant Corporation, Louisville Site, West Plant | Clariant | 25,457 | |
| Essity Operations Wausau LLC | Essity | 23,476 | |
| Bluegrass Generating Station | East Kentucky Power Cooperative | 23,398 | |
| BROWN-FORMAN DISTILLERY (FORMERLY EARLY TIMES DISTILLERS CO) | Brown-Forman | 23,264 | |
| Texas Gas Transmission - Calvert City Station | Loews Corp. | 22,686 | |
| LG&E and KU Energy, LLC | PPL Corp. | 22,019 | |
| Southern Sanitation Landfill | Waste Management Inc. | 21,068 | |
| OHIO VALLEY ALUMINUM CO INC | Giampaolo Group | 18,880 | 50% |
| OHIO VALLEY ALUMINUM CO INC | Rio Tinto | 18,880 | 50% |
| Texas Gas Transmission - Midland Storage Field | Loews Corp. | 16,335 | |
| Paddys Run | PPL Corp. | 15,913 | |
| TRI-K LANDFILL INC | Republic Services | 15,190 | |
| Bakelite Synthetics | Black Diamond Capital Management | 15,025 | 50% |
| Bakelite Synthetics | Investindustrial | 15,025 | 50% |
| Southern Star Central Gas Pipeline | Morgan Stanley | 14,230 | |
| Mubea, Inc. | MUBEA INC | 12,577 | |
| EPPERSON WASTE DISPOSAL | Republic Services | 11,126 | |
| BLUE RIDGE RECYCLING & DISPOSAL FACILITY | Waste Management Inc. | 8,567 | |
| East Kentucky Power Transmission System | East Kentucky Power Cooperative | 6,220 | |
| Robert Reid | Big Rivers Electric Corp. | 4,669 | |
| LG&E and KU Energy, LLC - Subpart DD SF6 | PPL Corp. | 4,358 | |
| Texas Gas Transmission - Jeffersontown Station | Loews Corp. | 2,385 | |
| Tompkinsville | Enbridge | 1,793 | |
| Murray Natural Gas | City of Murray, KY | 1,434 | |
| Benton Gas System | City of Benton, KY | 1,398 | |
| CENTURY ALUMINUM OF KENTUCKY | Century Aluminum | 1 | |