emissionhub.cc / Largest emitters / Louisiana / Garyville Refinery
Garyville Refinery: 4.21 million metric tons CO2e in 2023
Garyville Refinery in Garyville, Louisiana reported 4,207,065 metric tons of CO2-equivalent direct emissions to the EPA for 2023, the #5 largest of 400 reporting direct emitters in Louisiana and #92 nationally.
- Direct emissions, 2023
- 4,207,065 t CO2e
- Rank
- #5 of 400 direct emitters in Louisiana; #92 of 6,455 in the U.S.
- Share of Louisiana total
- 2.9%
- Sector
- Refineries
- Location
- Garyville, St. John The Baptist Parish, Louisiana
- Parent company
- MARATHON PETROLEUM CORP (100%)
- NAICS code
- 324110
- EPA GHGRP facility ID
- 1003043
- Also reports as a fuel/gas supplier
- 93,705,370 t CO2e: the emissions the products it supplies would release when used elsewhere. Not on-site emissions and not counted above.
By gas
| Gas | t CO2e | Share |
|---|---|---|
| Carbon Dioxide | 4,177,522 | 99.3% |
| Methane | 17,790 | 0.4% |
| Nitrous Oxide | 11,753 | 0.3% |
See facility 1003043 on EPA FLIGHT · All direct emitters in Louisiana
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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