Largest greenhouse-gas emitters in Mississippi

112 facilities in Mississippi reported 41,636,844 metric tons CO2e of direct emissions to the EPA for 2023, 1.7% of the national total for reporting direct emitters. Power Plants accounts for the most (66%). Largest first.

#	Facility	City	Sector	t CO2e
1	Daniel Electric Generating Plant	Escatawpa	Power Plants	5,076,458
2	Chevron Pascagoula Refinery	Pascagoula	Refineries, Chemicals, Waste	4,784,595
3	Red Hills Generation Facility	Ackerman	Power Plants	3,159,040
4	CF Industries Nitrogen, LLC - Yazoo City Facility	Yazoo	Chemicals	2,433,917
5	Magnolia Facility	Ashland	Power Plants	2,321,855
6	Batesville Generation Facility	Batesville	Power Plants	1,980,799
7	Choctaw County Gen	French Camp	Power Plants	1,950,979
8	Watson Electric Generating Plant	Gulfport	Power Plants	1,839,378
9	Southaven Combined Cycle	Southhaven	Power Plants	1,681,842
10	Caledonia	Steens	Power Plants	1,499,074
11	David M Ratcliffe	De Kalb	Power Plants	1,401,440
12	Hinds Energy Facility	Jackson	Power Plants	1,265,838
13	Attala Generating Plant	Sallis	Power Plants	1,118,035
14	Moselle Generating Plant	Moselle	Power Plants	1,027,893
15	R D Morrow Senior Generating Plant	Purvis	Power Plants	1,010,250
16	Ackerman Combined Cycle	Ackerman	Power Plants	927,459
17	Chevron Cogenerating Station	Pascagoula	Power Plants	792,226
18	GEORGIA PACIFIC MONTICELLO LLC	Monticello	Pulp and Paper, Waste	498,188
19	Steel Dynamics Columbus, LLC	Columbus	Metals	498,162
20	CHEMOURS DELISLE PLANT	Pass Christian	Chemicals	448,221
21	TRONOX LLC	Hamilton	Chemicals	322,671
22	THREE RIVERS SOLID WASTE MANAGEMENT AUTHORITY, THREE RIVERS REGIONAL LANDFILL	Pontotoc	Waste	186,480
23	International Paper - Vicksburg Mill	Redwood	Pulp and Paper, Waste	186,174
24	ERGON REFINING INC	Vicksburg	Refineries, Chemicals	177,090
25	Sylvarena Generating Plant	Raleigh	Power Plants	151,233
26	Gulf South Pipeline - Harrisville Station	Florence	Petroleum and Natural Gas Systems	148,197
27	BIG RIVER LANDFILL	Leland	Waste	146,861
28	Gerald Andrus	Greenville	Power Plants	143,152
29	International Paper - Columbus Mill	Columbus	Pulp and Paper, Waste	138,625
30	Crossroads Energy Center (CPU)	Clarksdale	Power Plants	138,306
31	Silver Creek Generating Plant	Prentiss	Power Plants	131,853
32	Mississippi Silicon	Burnsville	Metals	130,484
33	COLUMBIA GULF TRANSMISSION, BANNER COMPRESSOR STATION	Water Valley	Petroleum and Natural Gas Systems	123,979
34	COLUMBIA GULF TRANSMISSION LLC, INVERNESS COMPRESSOR STATION	Inverness	Petroleum and Natural Gas Systems	115,242
35	Gwinville (SESH) Compressor Station	New Hebron	Petroleum and Natural Gas Systems	112,733
36	GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY	Starkville	Waste	106,329
37	Macland Disposal Center Commercial and Industrial Landfill	Moss Point	Waste	104,086
38	Columbia Gulf Transmission - New Albany CS	New Albany	Petroleum and Natural Gas Systems	94,860
39	SNG Station 5222 Enterprise, MS	Enterprise	Petroleum and Natural Gas Systems	92,963
40	TRANSCO STATION 80	Heidelberg	Petroleum and Natural Gas Systems	89,704
41	COLUMBIA GULF TRANSMISSION, CORINTH COMPRESSOR STATION	Corinth	Petroleum and Natural Gas Systems	88,279
42	TGP Station 546 Columbus, MS	Columbus	Petroleum and Natural Gas Systems	84,340
43	NUCOR STEEL JACKSON INC	Flowood	Metals	81,932
44	LEAF RIVER CELLULOSE LLC	New Augusta	Pulp and Paper, Waste	80,704
45	WASTE MANAGEMENT OF MISSISSIPPI INC, PLANTATION OAKS MUNICIPAL LANDFILL AND RECY	Sibley	Waste	80,381
46	Greenway Environmental Services	Fayette	Waste	79,466
47	Leflore County Landfill	Sidon	Waste	78,579
48	Clinton	Jackson	Petroleum and Natural Gas Systems	75,506
49	Columbia Gulf Transmission - Holcomb CS	Holcomb	Petroleum and Natural Gas Systems	75,243
50	River Valley Ingredients - Forest	Forest	Other, Waste	74,599
51	Winston Plywood and Veneer	Louisville	Other	72,979
52	Central Landfill	McNeill	Waste	71,118
53	FLORIDA GAS TRANSMISSION COMPANY - WIGGINS	Wiggins	Petroleum and Natural Gas Systems	68,911
54	CHAMBERS OF MISSISSIPPI INC, CLEARVIEW ENVIRONMENTAL CONTROL FACILITY LANDFILL	Lake	Waste	68,224
55	TEXAS GAS TRANSMISSION - GREENVILLE STATION	Greenville	Petroleum and Natural Gas Systems	66,409
56	Georgia Pacific Plywood	Taylorsville	Other	65,761
57	SNG Station 5216 Bay Springs, MS	Bay Springs	Petroleum and Natural Gas Systems	65,477
58	NE MS SW MGT AUTHORITY, NE MS REG LF	Walnut	Waste	63,537
59	MEP Station 4 Vicksburg, MS	Edwards	Petroleum and Natural Gas Systems	62,463
60	Darling Ingredients Inc.	Jackson	Other, Waste	61,891
61	SNG Station 5211 Gwinville, MS	New Hebron	Petroleum and Natural Gas Systems	61,719
62	Union Church Station	Union Church	Petroleum and Natural Gas Systems	61,274
63	TGP Station 542, Dekalb, MS	Daleville	Petroleum and Natural Gas Systems	60,369
64	Pine Belt Regional Solid Waste Management Authority	Ovett	Waste	59,560
65	ALPEK POLYESTER MISSISSIPPI, INC.	Bay Saint Louis	Other	56,461
66	Westlake, Aberdeen	Aberdeen	Other	56,278
67	LITTLE DIXIE LANDFILL	Ridgeland	Waste	51,894
68	Texas Gas Transmission - Lake Cormorant Station	Lake Cormorant	Petroleum and Natural Gas Systems	49,924
69	TRANSCO STATION 70	Tylertown	Petroleum and Natural Gas Systems	48,783
70	Lucedale (SESH) Compressor Station	Lucedale	Petroleum and Natural Gas Systems	45,364
71	ANR Pipeline Greenville CS	Greenville	Petroleum and Natural Gas Systems	42,167
72	Kemper County	De Kalb	Power Plants	42,109
73	Biewer Sawmill - Winona, Inc.	Winona	Other	38,807
74	Biewer Sawmill - Newton, LLC	Newton	Other	38,019
75	CANTON, CITY OF, CANTON SANITARY LANDFILL	Canton	Waste	37,967
76	Gulf South Pipeline - McComb Station	Jayess	Petroleum and Natural Gas Systems	36,432
77	USG INTERIORS, LLC - GREENVILLE PLANT	Greenville	Minerals	35,043
78	Nouryon Pulp & Performance Chemicals LLC	Columbus	Chemicals	33,957
79	Tyson Foods, Inc.	Carthage	Waste, Other	33,554
80	Leaf River Energy Center, LLC	Taylorsville	Petroleum and Natural Gas Systems	33,112
81	Southern Hens, Inc.	Moselle	Waste, Other	32,573
82	ANR Pipeline Sardis CS	Sardis	Petroleum and Natural Gas Systems	32,427
83	HUNT SOUTHLAND REFINING COMPANY	Heidelberg	Refineries	30,709
84	NISSAN NORTH AMERICA INC, CANTON MANUFACTURING FACILITY	Canton	Other	30,553
85	Gulf South Pipeline - Jasper Station	Heidelberg	Petroleum and Natural Gas Systems	30,540
86	University of Mississippi Medical Center	Jackson	Other	30,420
87	PASCAGOULA GAS PLANT	Moss Point	Petroleum and Natural Gas Systems	29,578
88	WASTE MANAGEMENT OF MISSISSIPPI INC, PRAIRIE BLUFF LANDFILL AND RECYCLING CENTER	Houston	Waste	28,665
89	TRUNKLINE GAS CO - INDEPENDENCE	Coldwater	Petroleum and Natural Gas Systems	28,317
90	Kosciusko	Kosciusko	Petroleum and Natural Gas Systems	26,503
91	Peco Foods Inc	Sebastopol	Waste, Other	26,160
92	Sanderson Farms, LLC	Summit	Waste, Other	25,956
93	Gulf South Pipeline - Kiln Station	Kiln	Petroleum and Natural Gas Systems	25,443
94	Benndale Peaking Station	Benndale	Power Plants	24,809
95	SNG Station 4310 Muldon Storage, MS	Prairie	Petroleum and Natural Gas Systems	23,359
96	University of Mississippi	University	Other	23,302
97	COOPER TIRE COMPANY, THE	Tupelo	Other	23,061
98	Quad County Municipal Landfill	Byhalia	Waste	22,717
99	Roxul USA, Inc.	Byhalia	Minerals	22,716
100	Mississippi State University	Starkville	Other	21,270
101	WASTE MANAGEMENT OF MISSISSIPPI INC, PECAN GROVE LANDFILL AND RECYCLING CENTER A	Pass Christian	Waste	21,064
102	WASTE MANAGEMENT OF TUNICA LANDFILL INC	Robinsonville	Waste	19,201
103	SNG Station 4132 Louisville, MS	Louisville	Petroleum and Natural Gas Systems	17,882
104	RAIN CII CARBON LLC	Purvis	Petroleum and Natural Gas Systems	17,195
105	TGP Station 63 Batesville, MS	Batesville	Petroleum and Natural Gas Systems	15,889
106	Southern Pines Energy Center	Leakesville	Petroleum and Natural Gas Systems	15,754
107	Petal Gas Storage Compressor Station	Petal	Petroleum and Natural Gas Systems	13,841
108	PINE RIDGE SANITARY LANDFILL	Meridian	Waste	13,577
109	Protein Products, Inc.	Sunflower	Other, Waste	9,686
110	Texas Gas Transmission - Clarksdale Station	Clarksdale	Petroleum and Natural Gas Systems	5,111
111	Rolls-Royce Stennis Outdoor Test Facility	Stennis Space Center	Other	2,905
112	Sweatt Electric Generating Plant	Meridian	Power Plants	400

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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