EPA GHGRP · reporting year 2023 · Natural Gas and Natural Gas Liquids Suppliers
Marathon Petroleum - top-third GHGRP parent
According to the EPA's Greenhouse Gas Reporting Program (GHGRP), an upper-third Scope 1 reporter: 24 facilities across 14 states (28.8M MT CO₂e in 2023).
- MT CO₂e (latest facility reports)
- 28.8M
- Reporting facilities
- 24
- States covered
- 14
- Overall rank
- #12
Data updated May 2026
According to the EPA GHGRP, Marathon Petroleum reported 28.8M MT CO₂e in 2023 across 24 facilities in 14 states (ranks in the top 1% of U.S. corporate GHG emitters (#12 of 2,289)) Emissions remained broadly stable over the tracked period.
- Overall rank #12 of 2,289
- #2 in Natural Gas and Natural Gas Liquids Suppliers
- +2.0% since 2011
Marathon Petroleum vs all U.S. GHGRP parent companies
Where this parent's reported Scope 1 CO₂e sits among every EPA GHGRP-reporting company
28,750,930 12th of 2289 higher than 2,277 of 2,289 companies
GHGRP parent companies, banded by reported CO₂e (MT)
Each bar is a band; taller bars hold more companies. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
How Marathon Petroleum spreads its footprint vs Natural Gas and Natural Gas Liquids Suppliers peers
Facility count against total reported CO₂e for 20 Natural Gas and Natural Gas Liquids Suppliers companies. A company can lead its sector from one concentrated site or from many smaller ones; the split below uses the median of this peer group (3 facilities, 0.6M MT).
You are here: Marathon Petroleum.
Natural Gas and Natural Gas Liquids Suppliers peer footprint table: Marathon Petroleum, 24 facilities, 28.75M MT CO2e. Mplx, 11 facilities, 1.46M MT CO2e. California Resources, 2 facilities, 1.34M MT CO2e. Energy Transfer, 10 facilities, 1.33M MT CO2e. Targa Resources, 3 facilities, 1.16M MT CO2e. Enlink Midstream, 5 facilities, 0.99M MT CO2e. Oneok, 4 facilities, 0.99M MT CO2e. Phillips 66, 3 facilities, 0.71M MT CO2e. The Williams Cos, 5 facilities, 0.63M MT CO2e. Kinder Morgan, 4 facilities, 0.6M MT CO2e. Enterprise Products Partners, 4 facilities, 0.58M MT CO2e. Western Midstream Partners, 3 facilities, 0.45M MT CO2e. Harvest Pipeline, 1 facilities, 0.4M MT CO2e. Enbridge (us), 5 facilities, 0.39M MT CO2e. Aux Sable Liquid Products, 1 facilities, 0.29M MT CO2e. Carol Broadbent Farver, 1 facilities, 0.25M MT CO2e. Hess, 1 facilities, 0.24M MT CO2e. Spectra Energy, 1 facilities, 0.23M MT CO2e. Epic Midstream, 2 facilities, 0.19M MT CO2e. Dow, 1 facilities, 0.19M MT CO2e.
EPA GHGRP inventory plate
Parent marathon-petroleum · 2023 #12 · 28.8M MT
CO2E-LARGE · TOP-DECILE · PHOTO-FINISH · FAC-MULTI · SPAN-NATION · SECTOR-NATURAL-GAS- · TREND-FLAT · BOOK-RICH
- CO2E-LARGE 28.8M MT
- TOP-DECILE #12/2289
- PHOTO-FINISH Xcel Energy · Power Plants
- FAC-MULTI 24 facilities
- SPAN-NATION 14 states
- SECTOR-NATURAL-GAS- Natural Gas and N…
- TREND-FLAT +2% since 2011
- BOOK-RICH 7/8 fields
Nearest CO₂e peer: Xcel Energy · Power Plants (±281K MT)
Upper-third parent rollup stamps: CO₂e band, corpus rank, peer, facility book, state span, sector, trend. Not an EPA grade.
2023 nearly all-CO₂ parent book
This parent's 2023 facility book is almost entirely CO₂ (99.3% of 28.8M MT CO₂e). CH₄ and N₂O together are only 0.7%, a CO₂-shaped GHGRP profile, not a methane story. Component shares sum this parent's facility CO₂ / CH₄ / N₂O rows for that year, not a corporate Scope 1-3 inventory.
- CO₂
- 99.3%
- 28.6M MT
- CH₄
- 0.5%
- 132K MT
- N₂O
- 0.2%
- 61K MT
CO₂e neighbourhood around Marathon Petroleum
Lowest and highest poles plus nearest reported parents by CO₂e, not a full GHGRP corpus board reprint.
Largest sites in a top-third parent book
Marathon Petroleum - top sites (MT CO₂e)
Marathon Petroleum's largest facilities by latest available reported CO₂e
High-emitter reporting timeline
Marathon Petroleum - high-emitter annual GHG
EPA GHGRP 2011–2023 · million metric tons CO₂e
- Reported CO₂e in 2023
- 28.8M MT
- 13 annual EPA GHGRP reporting records
Marathon Petroleum annual reported GHG emissions, 2011–2023
Marathon Petroleum reported 28.8M MT CO₂e in 2023, compared with 28.2M MT in 2011 - a rise of 2.0% across the EPA GHGRP reporting record.
Wide facility book (24)
| Facility | Location | Emissions (MT CO2e) |
|---|---|---|
| Galveston Bay Refinery Other TEXAS CITY, TX | TEXAS CITY, TX | 6.6M |
| Los Angeles Refinery (LAR) Chemicals CARSON, CA | CARSON, CA | 6.1M |
| Garyville Refinery Petroleum Product Suppliers Garyville, LA | Garyville, LA | 4.2M |
| Catlettsburg Refining, LLC Petroleum Product Suppliers Catlettsburg, KY | Catlettsburg, KY | 2.2M |
| Robinson Refinery Petroleum Product Suppliers Robinson, IL | Robinson, IL | 1.8M |
| TESORO CORPORATION-ANACORTES REFINERY Petroleum Product Suppliers ANACORTES, WA | ANACORTES, WA | 1.2M |
| DETROIT REFINERY Petroleum Product Suppliers DETROIT, MI | DETROIT, MI | 929K |
| St. Paul Park Refining Company, LLC Chemicals St. Paul Park, MN | St. Paul Park, MN | 884K |
| Marathon El Paso Refinery Chemicals EL PASO, TX | EL PASO, TX | 809K |
| Marathon Mandan Refinery Petroleum Product Suppliers Mandan, ND | Mandan, ND | 682K |
| Martinez Renewable Fuel Facility Chemicals MARTINEZ, CA | MARTINEZ, CA | 576K |
| Tesoro Refining and Marketing Company, Salt Lake City Refinery Refineries Salt Lake City, UT | Salt Lake City, UT | 569K |
| TESORO ALASKA PETROLEUM CO Chemicals KENAI, AK | KENAI, AK | 545K |
| Canton Refinery Petroleum Product Suppliers CANTON, OH | CANTON, OH | 536K |
| THE ANDERSONS MARATHON HOLDINGS LLC Other ALBION, MI | ALBION, MI | 207K |
| THE ANDERSONS MARATHON HOLDINGS LLC Other GREENVILLE, OH | GREENVILLE, OH | 198K |
| Ironhorse Complex Gas Plant Petroleum and Natural Gas Systems Vernal, UT | Vernal, UT | 161K |
| Blacks Fork Gas Plant Natural Gas and Natural Gas Liquids Suppliers GRANGER, WY | GRANGER, WY | 112K |
| THE ANDERSONS MARATHON HOLDINGS LLC Other DENISON, IA | DENISON, IA | 73K |
| Robinson Lake Gas Plant Natural Gas and Natural Gas Liquids Suppliers New Town, ND | New Town, ND | 71K |
| Marathon Petroleum Corporation Chemicals Dickinson, ND | Dickinson, ND | 67K |
| Stanley Booster Station Petroleum and Natural Gas Systems Stanley, ND | Stanley, ND | 49K |
| Vermillion Gas Plant Petroleum and Natural Gas Systems Rock Springs, WY | Rock Springs, WY | 31K |
| Belfield Gas Plant Natural Gas and Natural Gas Liquids Suppliers Belfield, ND | Belfield, ND | 26K |
Where Marathon Petroleum's reported CO₂e sits by state
25.9% of this parent's latest facility CO₂e is in Texas (2 sites) ; next is California at 23.3% . Shares are GHGRP facility rollups for this parent, not state economy totals.
Marathon Petroleum reported facility CO₂e concentration by U.S. state
Marathon Petroleum's reported CO₂e by EPA sector
Top sector Petroleum Product Suppliers is 40.4% of this parent's facility CO₂e (7 sites) ; Chemicals follows at 31.3% . Sector labels are EPA GHGRP facility industry_sector values.
Marathon Petroleum reported facility CO₂e by EPA industry sector
Nationwide peers for a top-third GHGRP parent
Three EPA GHGRP peer sets for a top-third parent (28.8M MT): nearest totals, facility-book size, then per-facility intensity.
Similar reported CO₂e
Nearest parent totals (28.8M MT here).
Similar facility book
Nearest reporting-facility counts (24 here).
Similar per-facility CO₂e
Nearest average MT per facility (1.2M MT here).
Source: EPA GHGRP Data is based on facility self-reporting. Not environmental compliance advice
What to do with this
Using Marathon Petroleum's emissions profile
- Marathon Petroleum runs high-intensity per facility (1.2M MT CO₂e/site); see how it stacks up against the rest of the Natural Gas and Natural Gas Liquids Suppliers sector on the Natural Gas and Natural Gas Liquids Suppliers industry page.
- It ranks #12 of 2,289 reporting parents nationwide, compare it directly against specific peers on the compare tool.
- Not sure how to read a total-CO₂e figure or a per-facility intensity number, the how-to-read guide walks through what each field means and what it doesn't.
Related reading: How to read an emissions profile · Natural Gas and Natural Gas Liquids Suppliers emitters · Methodology
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Greenhouse Gas Reporting Program (GHGRP). Consult a qualified professional before making decisions based on this data.