Largest greenhouse-gas emitters in Indiana

186 facilities in Indiana reported 107,905,930 metric tons CO2e of direct emissions to the EPA for 2023, 4.5% of the national total for reporting direct emitters. Power Plants accounts for the most (53%). Largest first.

#	Facility	City	Sector	t CO2e
1	US Steel Corp - Gary Works	Gary	Metals, Waste	10,928,816
2	Gibson	Owensville	Power Plants	8,268,672
3	Cleveland-Cliffs Burns Harbor LLC	Burns Harbor	Metals	7,644,163
4	Cleveland-Cliffs Steel LLC	East Chicago	Metals, Minerals	5,783,021
5	Clifty Creek	Madison	Power Plants	5,302,011
6	BP Whiting Business Unit	Whiting	Refineries, Power Plants, Other, Chemicals	5,222,371
7	Petersburg	Petersburg	Power Plants	4,879,129
8	ALCOA INC - WARRICK OPERATIONS	Newburgh	Power Plants, Metals	4,867,519
9	Merom	Sullivan	Power Plants	4,641,576
10	Cayuga	Cayuga	Power Plants	4,188,340
11	Lawrenceburg Energy Facility	Lawrenceburg	Power Plants	3,420,808
12	Rockport	Rockport	Power Plants	3,112,526
13	Edwardsport	Edwardsport	Power Plants	2,815,764
14	A B Brown Generating Station	Mount Vernon	Power Plants	1,982,201
15	IPL Eagle Valley Generating Station	Martinsville	Power Plants	1,855,770
16	St. Joseph Energy Center LLC	New Carlisle	Power Plants	1,817,718
17	R M Schahfer Generating Station	Wheatfield	Power Plants	1,800,166
18	F B Culley Generating Station	Newburgh	Power Plants	1,759,377
19	Harding Street Station (EW Stout)	Indianapolis	Power Plants	1,700,381
20	LINDE - WHITING, IN 5&6	East Chicago	Chemicals	1,624,864
21	Michigan City Generating Station	Michigan City	Power Plants	1,477,536
22	Sugar Creek Generating Station	West Terre Haute	Power Plants	1,179,052
23	Indiana Harbor Coke Company	East Chicago	Metals	1,065,052
24	LONE STAR INDUSTRIES INC	Greencastle	Minerals	1,028,904
25	STEEL DYNAMICS INC	Butler	Metals	982,503
26	Carmeuse Lime, Inc. Buffington	Gary	Minerals	896,323
27	Heidelberg Materials US Cement LLC	Mitchell	Minerals	833,267
28	Oaktown Fuels Mine No.1	Oaktown	Other	728,931
29	Cleveland-Cliffs Steel LLC	East Chicago	Metals	703,787
30	Oaktown Fuels Mine No. 2	Oaktown	Other	593,823
31	SABIC INNOVATIVE PLASTICS MT. VERNON, LLC	Mount Vernon	Other	557,714
32	Gibson County Coal, LLC	Princeton	Other	533,986
33	Noblesville	Noblesville	Power Plants	513,413
34	Heidelberg Materials	Logansport	Minerals	444,881
35	Duke Energy Vermillion, II LLC	Cayuga	Power Plants	395,166
36	COVANTA ENERGY	Indianapolis	Waste	355,034
37	STEEL DYNAMICS. INC. (SDI), STRUCTUAL AND RAIL DIVISION	Columbia City	Metals	328,103
38	Primary Products Ingredients Americas, LLC d/b/a Primient	Lafayette	Other	323,932
39	Purdue University-Wade Utility	West Lafayette	Other	259,288
40	NUCOR STEEL INDIANA	Crawfordsville	Metals	255,383
41	Wabash River Highland Plant	West Terre Haute	Power Plants	244,078
42	Advanced Magnesium Alloys Corporation	Anderson	Metals	230,280
43	GRAIN PROCESSING CORP	Washington	Other, Waste	229,633
44	Georgetown Substation	Indianapolis	Power Plants	226,228
45	Valero Linden Plant	Linden	Other	211,216
46	Waupaca Foundry, Inc.	Tell City	Metals	210,471
47	COUNTRYMARK REFINING & LOGISTICS LLC	Mt Vernon	Refineries	196,503
48	Francisco Underground Mine	Francisco	Other	195,940
49	Portside Energy	Portage	Power Plants	192,858
50	THE ANDERSONS MARATHON HOLDINGS LLC	Logansport	Other	191,801
51	Sycamore Ridge Landfill/Victory Landfill	Pimento	Waste	186,995
52	STEEL DYNAMICS, INC. (SDI)	Pittsboro	Metals	186,944
53	Valero Renewable Fuels, LLC d/b/a Valero Bluffton Plant	Bluffton	Other	180,313
54	Valero Renewable Fuels Company, LLC d/b/a Valero Mt. Vernon Plant	Mt. Vernon	Other	177,595
55	CGS Services Inc.	Morristown	Waste	177,181
56	CARDINAL ETHANOL, LLC	Union City	Other, Waste	166,670
57	St. Paul Compressor Station	St. Paul	Petroleum and Natural Gas Systems	165,459
58	Kaiser Aluminum Warrick LLC	Newburgh	Metals	159,628
59	LINDE - WHITING, IN 1-4	East Chicago	Chemicals	155,040
60	NEWTON COUNTY LANDFILL	Brook	Waste	150,743
61	C. C. Perry K Steam Plant	Indianapolis	Power Plants	149,323
62	Henry County Generating Station	New Castle	Power Plants	141,591
63	CENTRAL INDIANA ETHANOL, LLC	Marion	Other	138,983
64	POET BIOREFINING ALEXANDRIA	Alexandria	Other	138,337
65	TYSON FRESH MEATS INC	Logansport	Waste, Other	136,111
66	Green Plains Mount Vernon LLC	Mount Vernon	Other	133,621
67	POET Biorefining - Shelbyville	Shelbyville	Other	125,949
68	South Bend Ethanol, LLC.	South Bend	Other	125,746
69	TATE & LYLE SAGAMORE	Lafayette	Other	124,457
70	POET Biorefining - North Manchester, LLC	North Manchester	Other	123,005
71	LIBERTY LANDFILL	Monticello	Waste	122,704
72	UNIVERSITY OF NOTRE DAME	Notre Dame	Other	122,566
73	Ardagh Glass Inc. (Dunkirk)	Dunkirk	Minerals	116,955
74	POET BIOREFINING - PORTLAND	Portland	Other	115,876
75	Cleveland-Cliffs Steel Corporation	Rockport	Metals	112,151
76	US Steel - Midwest Plant	Portage	Metals	110,193
77	Pratt Paper (IN) LLC	Valparaiso	Pulp and Paper	106,650
78	NLMK INDIANA	Portage	Metals	99,614
79	Cleveland-Cliffs Tek Inc. and Cleveland-Cliffs Kote Inc.	New Carlisle	Metals	98,928
80	Bainbridge Compressor Station	Bainbridge	Petroleum and Natural Gas Systems	98,705
81	LOUIS DREYFUS COMPANY AGRICULTURAL INDUSTRIES LL	Claypool	Other	91,741
82	Montpelier Electric Gen Station	Poneto	Power Plants	91,670
83	Ardagh Glass Inc. (Winchester)	Winchester	Minerals	89,036
84	TWIN BRIDGES RDF	Danville	Waste	88,132
85	INDIANA UNIVERSITY	Bloomington	Other	87,563
86	Waelz Sustainable Products	Logansport	Metals	87,045
87	Iroquois Bio Energy Company	Rensselaer	Other, Waste	80,935
88	SAFETY-KLEEN SYSTEMS	East Chicago	Petroleum and Natural Gas Systems	80,093
89	HAYES LANDFILL	New Castle	Waste	79,905
90	BARTHOLOMEW COUNTY LANDFILL II	Columbus	Waste	78,388
91	Duke Energy Indiana CHP at Purdue University	West Lafayette	Power Plants	75,932
92	EVONIK CORPORATION TIPPECANOE LABORATORIES	Lafayette	Chemicals	75,021
93	SOUTH SIDE LANDFILL INC	Indianapolis	Waste	74,893
94	NATIONAL SERV-ALL LANDFILL	Fort Wayne	Waste	72,771
95	COUNTY LINE LANDFILL	Argos	Waste	71,908
96	BUNGE NORTH AMERICA	Morristown	Other	71,512
97	Cargill Texturizing Solutions	Hammond	Other	71,410
98	Bunge North America (East) LLC	Decatur	Other	69,493
99	Elanco Clinton Laboratories	Clinton	Chemicals	67,886
100	Heidelberg Materials US Cement LLC	Speed	Minerals	67,822
101	OWENS-BROCKWAY GLASS CONTAINER INC. PLANT 08	Lapel	Minerals	67,649
102	MEDORA SANITARY LANDFILL	Medora	Waste	66,600
103	QUEMETCO INC	Indianapolis	Metals	65,755
104	MGPI of Indiana, LLC	Lawrenceburg	Other	65,361
105	1500 South Tibbs LLC d/b/a Aurorium Indianapolis LLC	Indianapolis	Chemicals	64,807
106	Nestle USA Inc. - Anderson	Anderson	Other	64,656
107	Wheatland Generating Facility LLC	Wheatland	Power Plants	64,437
108	Ingredion Incorporated, Indianapolis Plant	Indianapolis	Other	60,943
109	ANR Pipeline Celestine CS	Celestine	Petroleum and Natural Gas Systems	60,557
110	US GYPSUM - SHOALS PLANT	Shoals	Minerals	58,156
111	FRITO-LAY INC	Frankfort	Other	57,169
112	REAL ALLOY SPECIFICATION, LLC.	Wabash	Metals, Waste	57,086
113	TOYOTA MOTOR MFG IN INC	Princeton	Other	57,065
114	HAYNES INTERNATIONAL INCORPORATED	Kokomo	Metals	56,641
115	WABASH VALLEY LANDFILL	Wabash	Waste	56,105
116	KNAUF Insulation GMBH	Shelbyville	Minerals	54,337
117	Consolidated Grain and Barge	Mount Vernon	Other	54,040
118	GENERAL MOTORS LLC BEDFORD CETC	Bedford	Metals, Waste	52,720
119	PRAIRIE VIEW RDF	Wyatt	Waste	52,168
120	PAPERWORKS INDUSTRIES INC	Wabash	Pulp and Paper	51,272
121	Heritage-Crystal Clean, LLC	Indianapolis	Petroleum and Natural Gas Systems	51,236
122	ARCHER DANIELS MIDLAND	Frankfort	Other	50,763
123	SUBARU of INDIANA AUTOMOTIVE INCORPORATED	Lafayette	Other	49,356
124	Anchor Glass Container. - Plant 42	Lawrenceburg	Minerals	48,752
125	NEW PARIS PIKE LDFL	Richmond	Waste	46,341
126	GEORGIA-PACIFIC GYPSUM LLC, WHEATFIELD, INDIANA	Wheatfield	Minerals	46,000
127	ELEMENT RESOURCES-GARFIELD FACILITY LLC	Muncie	Metals	44,387
128	Azteca Milling - Evansville	Evansville	Other	43,899
129	GENERAL MOTORS FORT WAYNE ASSEMBLY	Roanoke	Other	42,534
130	CLINTON COUNTY LANDFILL	Frankfort	Waste	41,325
131	Ryobi Die Casting	Shelbyville	Metals	40,980
132	US GYPSUM - EAST CHICAGO PLANT	East Chicago	Minerals	38,723
133	Gold Bond - SHO Plant	Shoals	Minerals	36,064
134	Worthington Generation	Worthington	Power Plants	35,761
135	Worthington Landfill	Worthington	Waste	35,133
136	ARCONIC LAFAYETTE LLC	Lafayette	Metals	33,755
137	CATERPILLAR INCORPORATED	Lafayette	Other	33,562
138	FCA KOKOMO CASTING PLANT	Kokomo	Metals	33,558
139	Steel Dynamics, Inc.	Jeffersonville	Other	33,510
140	DAVIESS COUNTY LANDFILL	Montgomery	Waste	32,759
141	SUPERIOR ALUMINUM ALLOYS LLC	New Haven	Metals	31,253
142	SDI LaFarga - Copperworks	New Haven	Metals	31,200
143	ELKHART COUNTY LANDFILL	Elkhart	Waste	30,805
144	Cargill, Inc	Lafayette	Other	30,373
145	POET Biorefining-Cloverdale, LLC	Cloverdale	Other	29,834
146	Arcosa Lightweight Indiana	Mooresville	Minerals	29,274
147	Steel Dynamics	Terre Haute	Metals	28,237
148	BF GOODRICH TIRE MANUFACTURING	Woodburn	Other	27,352
149	JAY COUNTY LANDFILL	Portland	Waste	27,027
150	ALLISON TRANSMISSION, Inc.	Indianapolis	Other	26,843
151	DECATUR HILLS INCORPORATED	Greensburg	Waste	26,679
152	RANDOLPH FARMS INC	Modoc	Waste	26,500
153	ENKEI AMERICA INC	Columbus	Metals	26,285
154	Hoosier Energy Lawrence Co Station	Mitchell	Power Plants	25,832
155	Jupiter Aluminum Corp	Hammond	Metals	25,389
156	Whitewater Valley	Richmond	Power Plants	24,858
157	CLARK-FLOYD LANDFILL	Borden	Waste	24,280
158	Nucor Fastener Indiana	St. Joe	Other	24,256
159	Honda Development & Manufacturing of America, LLC - Indiana Auto Plant	Greensburg	Other	24,206
160	W.R. Grace	East Chicago	Chemicals	23,792
161	Ironside Energy, LLC	East Chicago	Power Plants	22,782
162	HOOSIER LANDFILL	Claypool	Waste	22,596
163	ISOLATEK INTERNATIONAL	Huntington	Minerals	21,903
164	US NAVY NSWC CRANE DIV	Crane	Other	21,489
165	Matalco Bluffton LLC	Bluffton	Metals	21,295
166	Solae LLC	Remington	Other	21,043
167	CENTERPOINT LANDFILL	Centerpoint	Waste	20,957
168	Laubscher Meadows Landfill	Evansville	Waste	20,511
169	International Paper Company - Newport Mill	Cayuga	Waste	20,303
170	BALL STATE UNIVERSITY	Muncie	Other	19,020
171	Gary Sanitary Closed Landfill	Gary	Waste	18,343
172	DALTON CORP WARSAW MFG FACILITY	Warsaw	Metals	17,940
173	MONROE COUNTY LANDFILL	Bloomington	Waste	17,657
174	OAK RIDGE RECYCLING & DISPOSAL FACILITY	Logansport	Waste	17,428
175	Texas Gas Transmission - Dillsboro Station	Aurora	Petroleum and Natural Gas Systems	17,110
176	BARTHOLOMEW CO LANDFILL	Columbus	Waste	17,040
177	THERMAFIBER INC	Wabash	Minerals	16,055
178	VEOLIA ES BLACKFOOT LANDFILL	Winslow	Waste	15,486
179	Honeywell Aerospace - South Bend	South Bend	Other	15,145
180	UNITED REFUSE LANDFILL	Fort Wayne	Waste	13,950
181	Farbest Foods, Inc.	Huntingburg	Waste, Other	13,561
182	FCA KOKOMO TRANSMISSION PLANT	Kokomo	Other	12,312
183	EARTHMOVERS LANDFILL	Elkhart	Waste	11,214
184	ROLLS-ROYCE CORPORATION PLANT 5 & 8	Indianapolis	Other	8,038
185	ANR Pipeline LaGrange CS	LaGrange	Petroleum and Natural Gas Systems	6,125
186	DEERCROFT RECYCLING AND DISPOSAL FACILITY (RDF)	Michigan City	Waste	4,956

Source: EPA Greenhouse Gas Reporting Program, 2023 reporting year, sector-level emissions from data.epa.gov (fetched October 31, 2026). Direct emissions in metric tons CO2e as EPA totals them: emitter sectors only, biogenic CO2 reported separately. Covers facilities that report as direct emitters; most emit 25,000 t CO2e or more a year. Reference only.

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