EPA GHGRP · industry profile · NAICS petroleum-and-natural-gas-systems

Petroleum and Natural Gas Systems - upper-third sector emissions

Upper-third EPA industry rollup: 146.3M MT CO₂e from 2,099 in-sector facilities (#4 of 15 industries).

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among sectors
#4
Total CO₂e - Mega emitter
146.3M MT
Facilities
2,099
Companies
175
Avg / facility - Mid intensity
70K MT

Data updated May 2026

146.3M MT CO₂e · 2,099 facilities

Petroleum and Natural Gas Systems reports 146.3M MT CO₂e from 2,099 in-sector facilities and 175 parent companies (#4 of 15 EPA industry sectors), led by CHENIERE ENERGY at 6.7%.

  • Sector rank #4 of 15 EPA industries
  • CHENIERE ENERGY leads at 6.7% of sector CO₂e
  • Top 50 of 175 in-sector companies shown

Dispersed in-sector reporter mix

CHENIERE ENERGY is the largest single reporter at 6.7% of Petroleum and Natural Gas Systems CO₂e (9.7M MT), but the top three still account for only 18.4% across 175 parent companies. Shares use EPA GHGRP facility rollups tagged to this sector only, not each parent's company-wide total.

Largest in-sector emitters in Petroleum and Natural Gas Systems

Ranked by in-sector GHG emissions for facilities whose EPA industry sector is Petroleum and Natural Gas Systems. Multi-sector parents appear only for their in-sector footprint.

# Company In-sector emissions (MT CO2e)
1 CHENIERE ENERGY 9.7M
2 ENERGY TRANSFER 8.9M
3 HILCORP ENERGY 8.3M
4 KINDER MORGAN 8.2M
5 ENTERPRISE PRODUCTS PARTNERS 7.8M
6 ENBRIDGE (US) 5.7M
7 THE WILLIAMS COS 5.5M
8 TRANSCANADA PIPELINE USA 4.4M
9 DOMINION ENERGY 3.3M
10 VENTURE GLOBAL LNG 2.8M
11 SEMPRA ENERGY 2.8M
12 BERKSHIRE HATHAWAY 2.3M
13 TARGA RESOURCES 2.2M
14 GIP Pilot Acquisition Partners 2.1M
15 LOEWS 1.9M
16 OCCIDENTAL PETROLEUM 1.5M
17 ENLINK MIDSTREAM 1.5M
18 ONEOK 1.4M
19 ECOELECTRICA 1.4M
20 IKAV Impact USA 1.3M
21 EXXON MOBIL 1.3M
22 EAGLECLAW MIDSTREAM SERVICES 1.2M
23 SHELL PETROLEUM 1.2M
24 M6 Midstream 1.1M
25 PHILLIPS 66 990K
26 BP AMERICA 923K
27 OXBOW CARBON & MINERALS HOLDINGS 913K
28 HARVEST PIPELINE 857K
29 MPLX 856K
30 WWM OPERATING 735K
31 TALLGRASS DEVELOPMENT 655K
32 RAIN CII CARBON 600K
33 CPPIB Vedder US Holdings 579K
34 Oaktree Capital Group 564K
35 NAVITAS MIDSTREAM PARTNERS 560K
36 WESTERN MIDSTREAM PARTNERS 560K
37 CHEVRON 546K
38 TALOS ENERGY 542K
39 FLIQ COMMON FACILITIES 521K
40 WTG SOUTH PERMIAN MIDSTREAM 500K
41 Alliance Pipeline 496K
42 APA 466K
43 DCP MIDSTREAM 457K
44 W&T OFFSHORE 446K
45 WTG NORTH PERMIAN MIDSTREAM 429K
46 THE SOUTHERN 349K
47 PG&E 340K
48 CLEARFORK MIDSTREAM 339K
49 SOUTHERN UTE INDIAN TRIBE 333K
50 Howard Energy Partners 321K

In-sector totals aggregate EPA Greenhouse Gas Reporting Program (GHGRP) facility reports whose industry sector is Petroleum and Natural Gas Systems. Company rows sum only facilities tagged to this sector, not each parent's company-wide total. See our methodology. Retrieved and formatted by PlainCarbon