| TPY | facn | facility | location |
| 1) | 46815.0 | 0701000007 | DP&L, J.M. STUART GENERATING STATION | ABERDEEN |
| 2) | 43716.5 | 0627010056 | GAVIN POWER PLANT | CHESHIRE |
| 3) | 38227.8 | 0641160017 | W. H. SAMMIS PLANT | STRATTON |
| 4) | 28598.8 | 0684000000 | MUSKINGUM RIVER POWER PLANT | WATERFORD |
| 5) | 27292.0 | 0616000000 | CONESVILLE POWER PLANT | CONESVILLE |
| 6) | 25247.0 | 0627000003 | OHIO VALLEY ELECTRIC CORP., KYGER CREEK STATION | CHESHIRE |
| 7) | 23610.5 | 0641050002 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT |
| 8) | 20970.7 | 1413090154 | CINCINNATI GAS & ELECTRIC CO., WM. H. ZIMMER | MOSCOW |
| 9) | 20667.6 | 0243160009 | CLEVELAND ELECTRIC ILLUMINATING CO., EASTLAKE PLANT | EASTLAKE |
| 10) | 18789.7 | 1413100008 | CINERGY CG&E WC BECKJORD STATION | NEW RICHMOND |
| 11) | 17998.5 | 1431350093 | CINERGY CORP MIAMI FORT STATION | NORTH BEND |
| 12) | 17871.9 | 0247030013 | AVON LAKE POWER PLANT | AVON LAKE |
| 13) | 8314.3 | 0448020006 | TOLEDO EDISON CO., BAY SHORE PLANT | OREGON |
| 14) | 7826.9 | 0701000060 | DP&L, KILLEN GENERATING STATION | MANCHESTER |
| 15) | 6720.2 | 0607130015 | R. E. BURGER PLANT | SHADYSIDE |
| 16) | 5846.6 | 0278060023 | NILES PLANT | NILES |
| 17) | 3429.4 | 0829700165 | CEMEX, INC. | XENIA |
| 18) | 3397.6 | 0671010028 | CHILLICOTHE PAPER INC. | CHILLICOTHE |
| 19) | 3381.2 | 1409010006 | AK STEEL CORPORATION | MIDDLETOWN |
| 20) | 2800.4 | 0204010000 | CLEVELAND ELECTRIC ILLUMINATING CO., ASHTABULA PLANT | ASHTABULA |
| 21) | 2740.1 | 0857780013 | DP&L, O.H. HUTCHINGS GENERATING STATION | MIAMISBURG |
| 22) | 2219.6 | 0448020007 | BP PRODUCTS NORTH AMERICA INC | OREGON |
| 23) | 2131.5 | 0302020012 | PREMCOR REFINING GROUP | LIMA |
| 24) | 2035.0 | 0641090010 | WHEELING-PITTSBURGH STEEL CORPORATION - STEUBENVILLE | STEUBENVILLE |
| 25) | 2017.4 | 0630000001 | TENNESSEE GAS PIPELINE STATION 209 | CUMBERLAND |
| 26) | 1786.0 | 0372000127 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE |
| 27) | 1780.8 | 0285010188 | DEPARTMENT OF PUBLIC UTILITIES, CITY OF ORRVILLE, OHIO | ORRVILLE |
| 28) | 1768.0 | 0448010246 | SUN COMPANY, INC. | OREGON |
| 29) | 1555.4 | 0320010169 | ANR PIPELINE COMPANY | DEFIANCE |
| 30) | 1430.1 | 1318000245 | CLEVELAND ELECTRIC ILLUMINATING CO., LAKE SHORE PLANT | CLEVELAND |
| 31) | 1410.3 | 0165010001 | SHUT D - THOMSON, INC. | CIRCLEVILLE |
| 32) | 1315.1 | 1318001613 | ISG CLEVELAND INC. | CLEVELAND |
| 33) | 1150.5 | 0372000081 | CARMEUSE LIME INC MILLERSVILLE OPERATIONS | MILLERSVILLE |
| 34) | 1083.2 | 1431390903 | THE PROCTER AND GAMBLE CO. | CINCINNATI |
| 35) | 1014.0 | 1431070035 | COGNIS CORP | CINCINNATI |
| 36) | 1005.3 | 1409040243 | CITY OF HAMILTON DEPARTMENT OF PUBLIC UTILITIES | HAMILTON |
| 37) | 1004.2 | 0165000006 | PICWAY POWER PLANT | LOCKBOURNE |
| 38) | 997.9 | 0487010012 | PILKINGTON NORTH AMERICA INC | ROSSFORD |
| 39) | 965.1 | 0278000463 | WCI STEEL, INC. | HOWLAND/WEATHERSFIELD/WARREN |
| 40) | 902.6 | 0664000100 | TEXAS EASTERN TRANSMISSION LP - SOMERSET | SOMERSET |
| 41) | 900.6 | 0210000046 | TENNESSEE GAS PIPLINE- STATION 214 | CARROLLTON |
| 42) | 886.1 | 0302020015 | INNOVENE USA LLC | LIMA |
| 43) | 881.2 | 0637010000 | GE LOGAN LIGHTING PLANT | LOGAN |
| 44) | 869.1 | 0243110008 | PAINESVILLE MUNICIPAL ELECTRIC PLANT | PAINESVILLE |
| 45) | 840.0 | 1677010193 | GOODYEAR TIRE & RUBBER CO. | AKRON |
| 46) | 808.6 | 0605000020 | TENNESSEE GAS PIPELINE STATION 204 | ALBANY |
| 47) | 805.4 | 0123000137 | CRAWFORD COMPRESSOR STATION | CHARLESTON |
| 48) | 755.2 | 0773000080 | SUNOCO INC (R&M) | HAVERHILL |
| 49) | 723.3 | 0285000366 | EAST OHIO GAS - CHIPPEWA STATION | DOYLESTOWN |
| 50) | 705.8 | 0857041124 | CARGILL, INC. - DAYTON | DAYTON |
| 51) | 700.2 | 0123010078 | ANCHOR HOCKING GLASS CO. | LANCASTER |
| 52) | 699.0 | 0684010011 | KRATON POLYMERS U.S. LLC | BELPRE |
| 53) | 662.7 | 0370020002 | SHELBY MUNICIPAL LIGHT PLANT | SHELBY |
| 54) | 641.6 | 0145020185 | OWENS CORNING | NEWARK |
| 55) | 640.3 | 1483060328 | TEXAS EASTERN TRANSMISSION - LEBANON | LEBANON |
| 56) | 629.0 | 0362000079 | GRAYMONT DOLIME (OH), INC. | GENOA |
| 57) | 601.5 | 1576000301 | MARATHON PETROLEUM COMPANY LLC, CANTON REFINERY | CANTON |
| 58) | 533.4 | 0374000010 | CARMEUSE OHIO, INC. - MAPLEGROVE LIME PLANT | BETTSVILLE |
| 59) | 512.3 | 1409040212 | SMART PAPERS - HAMILTON MILL | HAMILTON |
| 60) | 502.8 | 1409000353 | MILLER BREWERIES EAST, INC. | TRENTON |
| 61) | 501.1 | 0370000226 | PAVONIA COMPRESSOR STATION | CHARLESTON |
| 62) | 492.6 | 0326000073 | NORTH STAR BHP STEEL L. L. C. | DELTA |
| 63) | 487.7 | 1576000613 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 64) | 445.8 | 0857190001 | APPLETON PAPERS INC. | WEST CARROLLTON |
| 65) | 403.0 | 0448010737 | CITY OF TOLEDO, DIVISION OF WATER RECLAMATION | TOLEDO |
| 66) | 402.7 | 1431150060 | GENERAL ELECTRIC AIRCRAFT ENGINES, EVENDALE PLANT | CINCINNATI |
| 67) | 398.9 | 0684000105 | GLOBE METALLURGICAL INC. | WATERFORD |
| 68) | 394.8 | 0370000164 | LUCAS COMPRESSOR STATION | CHARLESTON |
| 69) | 387.6 | 0363000002 | LAFARGE/SYSTECH ENVIRONMENTAL CORP. | PAULDING |
| 70) | 376.6 | 0370000228 | WEAVER COMPRESSOR STATION | CHARLESTON |
| 71) | 376.3 | 0448010066 | LIBBEY GLASS INC. | TOLEDO |
| 72) | 374.2 | 1677010757 | AKRON THERMAL ENERGY CORPORATION | AKRON |
| 73) | 364.9 | 1409010043 | MOSINEE HOLDINGS, INC. | MIDDLETOWN |
| 74) | 361.1 | 0660010007 | OWENS BROCKWAY GLASS CONTAINERS - PLANT #12 | ZANESVILLE |
| 75) | 321.6 | 0285020076 | CARAUSTAR INDUSTRIES, INC. | RITTMAN |