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Greenhouse 100 Polluters Index (2022 Report, Based on 2020 Data)

(Click on column headers to re-sort table: current sort is by Greenhouse 100 Rank.)
1 Vistra Energy 95,036,473 1.6% 12% 40% 14% Power Plants
2 Duke Energy 76,661,234 1.3% 13% 30% 15% Power Plants, Other, Petroleum and Natural Gas Systems, Waste
3 Southern Company 75,880,072 1.3% 14% 49% 23% Power Plants, Petroleum and Natural Gas Systems, Other
4 Berkshire Hathaway 67,213,495 1.1% 13% 37% 17% Power Plants, Petroleum and Natural Gas Systems, Minerals, Metals, Other, Chemicals
5 American Electric Power 52,990,661 0.9% 17% 21% 19% Power Plants, Other
6 Energy Capital Partners 45,889,180 0.8% 15% 67% 9% Power Plants, Metals, Petroleum and Natural Gas Systems
7 NextEra Energy 39,783,748 0.7% 13% 54% 18% Power Plants, Petroleum and Natural Gas Systems, Other
8 Xcel Energy 38,618,327 0.6% 12% 40% 24% Power Plants, Petroleum and Natural Gas Systems, Other
9 U.S. Government 38,065,190 0.6% 15% 47% 25% Power Plants, Other, Waste, Chemicals
10 Exxon Mobil 36,750,590 0.6% 15% 57% 31% Refineries, Petroleum and Natural Gas Systems, Power Plants, Other, Chemicals
11 Dominion Energy 35,912,691 0.6% 14% 47% 13% Power Plants, Petroleum and Natural Gas Systems, Other
12 Entergy 34,362,779 0.6% 18% 53% 13% Power Plants, Petroleum and Natural Gas Systems, Other
13 Cleveland-Cliffs 27,292,469 0.5% 20% 57% 27% Metals, Minerals, Other, Waste
14 Marathon Petroleum 27,043,532 0.5% 14% 71% 24% Refineries, Power Plants, Chemicals, Petroleum and Natural Gas Systems
15 PPL Corp. 26,970,182 0.5% 17% 26% 36% Power Plants, Other, Petroleum and Natural Gas Systems
16 Ameren 25,861,849 0.4% 9% 22% 61% Power Plants, Petroleum and Natural Gas Systems, Other
17 NRG Energy 25,614,626 0.4% 9% 62% 41% Power Plants
18 ArcLight Capital Partners 25,081,716 0.4% 18% 59% 29% Power Plants, Petroleum and Natural Gas Systems
19 Evergy Inc. 24,814,925 0.4% 15% 35% 30% Power Plants, Other
20 DTE Energy 24,431,197 0.4% 18% 30% 54% Power Plants, Petroleum and Natural Gas Systems, Metals
21 Koch Industries 23,847,866 0.4% 13% 47% 17% Chemicals, Pulp and Paper, Refineries, Other, Minerals, Waste
22 Phillips 66 22,527,254 0.4% 13% 66% 15% Refineries, Chemicals, Power Plants, Petroleum and Natural Gas Systems, Waste, Other
23 Chevron 22,312,152 0.4% 13% 68% 20% Refineries, Chemicals, Petroleum and Natural Gas Systems, Power Plants, Waste, Other
24 Valero Energy 21,877,463 0.4% 16% 72% 13% Refineries, Chemicals, Other
25 LS Power 20,296,258 16% 60% 22% Power Plants, Other
26 WEC Energy Group 20,253,725 12% 32% 35% Power Plants, Petroleum and Natural Gas Systems
27 Energy Transfer 20,065,412 14% 61% 14% Petroleum and Natural Gas Systems, Other, Power Plants
28 CF Industries 19,602,923 14% 45% 47% Chemicals
29 United States Steel 17,737,642 18% 46% 46% Metals, Waste, Other
30 Blackstone 17,451,782 16% 61% 40% Power Plants, Petroleum and Natural Gas Systems, Minerals
31 Basin Electric Power Cooperative 17,403,724 12% 13% 36% Power Plants, Chemicals, Minerals, Other
32 AES Corp. 16,746,029 16% 64% 39% Power Plants, Other
33 Macquarie 16,549,126 14% 45% 31% Power Plants, Waste, Petroleum and Natural Gas Systems, Refineries
34 Dow Inc. 16,535,249 16% 49% 28% Chemicals, Power Plants, Waste, Metals, Petroleum and Natural Gas Systems, Other
35 Associated Electric Cooperative Inc 16,507,875 17% 32% 41% Power Plants
36 CMS Energy 15,278,282 22% 48% 44% Power Plants, Petroleum and Natural Gas Systems, Other
37 FirstEnergy 14,653,819 17% 10% 67% Power Plants, Other
38 Waste Management Inc. 14,571,143 13% 51% 3% Waste
39 BP 14,565,028 19% 77% 35% Petroleum and Natural Gas Systems, Refineries, Power Plants, Chemicals, Other
40 Shell PLC 13,652,495 15% 54% 31% Refineries, Petroleum and Natural Gas Systems, Chemicals, Other
41 PBF Energy 13,558,398 14% 67% 26% Refineries, Chemicals, Power Plants
42 OGE Energy 12,399,016 14% 40% 21% Power Plants, Other
43 Pinnacle West Capital 12,334,661 19% 69% 61% Power Plants, Other
44 Enterprise Products Partners 11,973,992 18% 69% 20% Petroleum and Natural Gas Systems, Other, Chemicals
45 Prairie State Energy Campus (facility) 11,950,052 10% 7% 100% Power Plants, Other
46 Occidental Petroleum 11,872,781 13% 59% 27% Petroleum and Natural Gas Systems, Chemicals, Power Plants, Other
47 Holcim Group 11,796,795 10% 43% 26% Minerals
48 Lower Colorado River Authority 11,632,449 12% 32% 81% Power Plants, Other
49 Air Products & Chemicals 11,606,325 16% 68% 21% Chemicals, Power Plants
50 Kinder Morgan 11,577,465 20% 73% 6% Petroleum and Natural Gas Systems, Refineries, Other
51 Santee Cooper 11,542,316 18% 39% 58% Power Plants
52 Archer Daniels Midland 11,271,636 13% 21% 40% Other, Pulp and Paper, Waste
53 Fortis 11,237,991 19% 56% 71% Power Plants, Other, Petroleum and Natural Gas Systems
54 SK Capital Partners 11,208,847 14% 45% 82% Chemicals, Other, Waste
55 Salt River Project 11,159,738 12% 42% 28% Power Plants, Other, Waste
56 Carlyle Group 10,142,395 13% 47% 22% Power Plants, Chemicals
57 Republic Services 10,117,240 13% 59% 4% Waste
58 Omaha Public Power District 10,089,610 14% 35% 80% Power Plants
59 Energy Harbor 9,942,894 16% 6% 52% Power Plants
60 CPS Energy 9,771,394 18% 78% 59% Power Plants, Petroleum and Natural Gas Systems
61 Williams Companies 9,544,693 11% 37% 25% Petroleum and Natural Gas Systems
62 Hilcorp Energy 9,524,124 20% 71% 29% Petroleum and Natural Gas Systems
63 Buckeye Power 9,384,957 15% 11% 98% Power Plants
64 Laramie River (single power plant) 9,354,588 12% 16% 100% Power Plants
65 Public Service Enterprise 9,175,967 13% 61% 21% Power Plants, Petroleum and Natural Gas Systems, Other
66 Great River Energy 9,091,106 6% 7% 96% Power Plants
67 Luma Energy 8,438,660 36% 99% 47% Power Plants, Other
68 Colstrip Power Plant (single power plant) 8,340,434 6% 26% 100% Power Plants
69 Tenaska 8,280,465 10% 16% 29% Power Plants
70 Linde 8,154,353 19% 69% 22% Chemicals
71 Emera 8,134,858 14% 54% 36% Power Plants, Petroleum and Natural Gas Systems, Other
72 Ares Management 8,132,291 15% 60% 35% Power Plants, Petroleum and Natural Gas Systems
73 Seminole Electric Cooperative 8,125,973 21% 37% 79% Power Plants, Waste
74 DCP Midstream Partners 8,063,308 12% 45% 16% Petroleum and Natural Gas Systems
75 Starwood Energy Group 7,988,383 11% 40% 37% Power Plants, Petroleum and Natural Gas Systems
76 Riverstone Holdings 7,935,482 14% 47% 15% Power Plants, Petroleum and Natural Gas Systems, Other
77 Exelon 7,883,060 13% 46% 26% Power Plants, Petroleum and Natural Gas Systems, Other
78 Targa Resources 7,799,966 21% 75% 32% Petroleum and Natural Gas Systems
79 Alliant Energy 7,797,495 11% 19% 21% Power Plants, Petroleum and Natural Gas Systems
80 LyondellBasell Industries 7,760,790 18% 79% 27% Chemicals, Refineries, Other
81 Craig (power station) 7,711,959 18% 21% 100% Power Plants
82 Nebraska Public Power District 7,571,584 8% 11% 88% Power Plants, Other
83 East Kentucky Power Cooperative 7,341,166 19% 10% 94% Power Plants, Other
84 Keystone Generating Station (single power plant) 7,264,331 12% 8% 100% Power Plants
85 Alcoa 7,127,480 9% 16% 84% Power Plants, Metals, Petroleum and Natural Gas Systems, Other, Waste
86 HeidelbergCement 7,124,987 9% 34% 29% Minerals
87 Invesco 7,120,605 16% 28% 27% Other
88 ConocoPhillips 6,934,806 14% 71% 19% Petroleum and Natural Gas Systems, Refineries
89 NiSource 6,891,979 15% 28% 51% Power Plants, Petroleum and Natural Gas Systems, Other
90 Buzzi Unicem 6,887,556 11% 39% 27% Minerals
91 Plant Scherer (single power plant) 6,862,268 15% 30% 100% Power Plants
92 Cemex 6,757,729 13% 64% 30% Minerals
93 WestRock 6,731,759 14% 40% 17% Pulp and Paper, Waste
94 PDVSA (Petroleos de Venezuela S.A.) 6,605,658 11% 46% 51% Refineries, Chemicals
95 HF Sinclair Corporation 6,570,195 15% 37% 25% Refineries, Chemicals, Petroleum and Natural Gas Systems
96 JEA 6,564,154 16% 53% 64% Power Plants
97 Oglethorpe Power 6,561,372 14% 37% 43% Power Plants
98 Westlake Chemical 6,556,189 16% 35% 41% Chemicals, Power Plants, Other
99 Intermountain Power Agency 6,326,809 20% 14% 100% Power Plants
100 PNM Resources 6,312,730 17% 63% 91% Power Plants, Other

Explanatory notes (For details, see the technical notes).

This edition of the Greenhouse 100 ranks companies by C02-equivalent greenhouse gas emissions (including CO2, methane, nitrous oxide, and fluorinated gases, but not biogenic CO2) directly released by large facilities in the US in 2020.

Percentage of 2020 U.S. greenhouse gas emissions from all sources: parent corporation or entity's percentage of all U.S. greenhouse gas emissions, including electric power, transportation, industrial, commercial, residential, and agricultural emissions, the total of which is 5,973 million metric tons of CO2 equivalents according to the 2020 U.S. Inventory of Greenhouse Gas Emissions and Sinks.  Source: US EPA.

Environmental Justice (EJ): Poor Share and Minority Share: Shares of the potential co-pollutants of combustion borne by people living below the poverty line or by people in minority racial/ethnic groups. In the U.S. population, 10.5 percent lived below the poverty line in 2020 and 40 percent are members of minority racial/ethnic groups.  
Sources: US EPA, US Census, and CTIP.

The links from each parent name lead to an application that gives detailed facility and sector information about the company. You can also search for companies not on the Greenhouse 100. For more information on the data, see the technical notes.

Political Economy Research Institute
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Tel: 413-545-6355    Fax: 413-577-0261    Contact: peri@econs.umass.edu
Toxic 100 search hosted by Grassroots Connection
Last Updated:  
2022