All Corporate GHG Emitters

Showing 1–100 of 2,290 companies ranked by total greenhouse gas emissions reported to the EPA Greenhouse Gas Reporting Program (GHGRP) as of 2011.

# Company Total CO2e (MT)
1 Vistra 86.3M
2 The Southern 78.4M
3 Duke Energy 65.0M
4 CPN Management 47.6M
5 Nextera Energy 45.6M
6 American Electric Power CO 44.7M
7 Berkshire Hathaway 43.1M
8 US Government 41.4M
9 Exxon Mobil 34.3M
10 Entergy 33.9M
11 Xcel Energy 29.0M
12 Marathon Petroleum 28.8M
13 Dominion Energy 28.5M
14 Cleveland-Cliffs 27.4M
15 PPL 26.8M
16 Phillips 66 24.6M
17 Valero Energy 23.5M
18 DTE Energy 23.0M
19 Koch Industries 22.6M
20 NRG Energy 22.1M
21 Cf Industries Holdings 20.6M
22 Ameren 19.9M
23 Evergy 19.9M
24 US Steel 19.4M
25 Lightstone Generation 19.1M
26 Chevron 18.0M
27 Talen Energy 17.7M
28 Basin Electric Power Cooperative 16.6M
29 Dow 16.5M
30 Associated Electric Cooperative 15.6M
31 Aes 15.5M
32 Firstenergy 15.3M
33 Salt River Project Agricultural Improvement & Power District 15.1M
34 South Carolina Public Service Authority 14.1M
35 Air Products & Chemicals 14.1M
36 Waste Management 11.7M
37 Prairie State Energy Campus Management 11.5M
38 Wppi Energy 11.1M
39 Holcim Participations (us) 11.0M
40 Wyoming Municipal Power Agency 11.0M
41 LS Power Development 10.8M
42 Republic Services 10.7M
43 Cps Energy 10.6M
44 Archer Daniels Midland 10.6M
45 Energy Transfer 10.5M
46 WEC Energy Group 10.4M
47 Idacorp 10.3M
48 Cms Energy 10.2M
49 Arclight Energy Partners Fund Vii 10.2M
50 Cheniere Energy 9.7M
51 Buckeye Power 9.4M
52 Austin Energy 9.4M
53 Bp America 9.3M
54 Kinder Morgan 9.1M
55 Lyondellbasell Industries 9.0M
56 Constellation Energy 8.9M
57 Linde 8.8M
58 Indiana Municipal Power Agency 8.5M
59 Pnm Resources 8.5M
60 Enterprise Products Partners 8.5M
61 Hilcorp Energy 8.3M
62 Nebraska Public Power District 8.3M
63 East Kentucky Power Cooperative 8.2M
64 Shell Petroleum 8.1M
65 Puerto Rico Electric Power Authority 8.1M
66 Occidental Petroleum 7.9M
67 Pdv America 7.8M
68 Omaha Public Power District 7.8M
69 Remc Assets 7.7M
70 Teco Energy 7.5M
71 Pbf Energy 7.3M
72 Southern Minnesota Municipal Power Agency 7.2M
73 Arkansas Electric Cooperative 7.1M
74 Seminole Electric Cooperative 7.0M
75 Oglethorpe Power 7.0M
76 Oge Energy 6.9M
77 Enbridge (us) 6.8M
78 Cleco Corporate Holdings 6.7M
79 Michigan Public Power Agency 6.7M
80 Consol Energy 6.5M
81 Formosa Plastics CORP USA 6.4M
82 American Air Liquide Holdings 6.3M
83 American Consolidated Natural Resources 6.3M
84 Tri-State Generation & Transmission Assoc 6.2M
85 Uns Energy 6.2M
86 The Williams Cos 6.2M
87 Alliant Energy 6.1M
88 Aramco Services 6.1M
89 Eastman Chemical 6.1M
90 Pinnacle West Capital 6.1M
91 Hallador Energy 6.0M
92 Eagle Materials 5.9M
93 Westrock 5.9M
94 Municipal Electric Utility of the City of Cedar Falls Iowa 5.8M
95 Nucor 5.6M
96 Rc Lonestar 5.6M
97 City of West Memphis Arkansas 5.6M
98 Ls Power Equity Partners 5.5M
99 Lhoist North America 5.5M
100 Alcoa 5.4M

Source: EPA Greenhouse Gas Reporting Program (GHGRP) EPA Greenhouse Gas Reporting Program (GHGRP) Data reflects cumulative emissions across all reporting years (2011–2023)

Compiled from official source data by PlainCarbon Editorial

Every figure on PlainCarbon is rendered directly from EPA Greenhouse Gas Reporting Program (GHGRP) data, no number is typed in by an editor. This page draws directly on the EPA Greenhouse Gas Reporting Program (GHGRP), no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.