Marathon El Paso Refinery
EL PASO, TX · EL PASO COUNTY · NAICS 324110
Data updated May 2026
Marathon El Paso Refinery sits in the upper third of EPA GHGRP reporters by latest CO₂e (#755 of 8,713 nationally, #123 of 1,176 in TX).
- National rank #755 of 8,713 GHGRP facilities
- #123 of 1,176 in TX
- #106 of 534 in Chemicals
- 2.8% of MARATHON PETROLEUM parent CO₂e
- 2023 mix: 0.9% non-CO₂ (CH₄-led)
- -23.8% since 2011
Marathon El Paso Refinery vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
808,813 755th of 8713 higher than 7,958 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. 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
Facility footprint context
This site accounts for 2.8% of MARATHON PETROLEUM reported parent CO₂e (809K MT of 28.8M MT ; #9 of 24 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #106 of 534 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 809K MT CO₂e reported for 2023, non-CO₂ gases are 0.9% , led by CH₄ at 0.6% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.1%
- 801K MT
- CH₄
- 0.6%
- 5K MT
- N₂O
- 0.3%
- 2K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 808,813 |
| 2022 | 808,679 |
| 2021 | 842,754 |
| 2020 | 834,360 |
| 2019 | 1,087,397 |
| 2018 | 1,173,794 |
| 2017 | 1,149,462 |
| 2016 | 1,168,758 |
| 2015 | 1,158,951 |
| 2014 | 1,112,390 |
| 2013 | 1,007,585 |
| 2012 | 1,100,677 |
| 2011 | 1,060,890 |
Facility insight: Marathon El Paso Refinery
Marathon El Paso Refinery (GHGRP ID 1003564) is a high-volume reporter at 809K MT CO₂e in 2023 from EL PASO, TX (#755 of 8,713 nationally) under Chemicals (NAICS 324110).
Across 2011–2023, annual CO₂e fell 23.8%; peak load was 1.2M MT in 2018. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2018 at 1.2M MT CO2e; latest 2023 sits 31.1% below that peak (809K MT). The largest year-to-year move was 2019→2020 (-23.3%, 253K MT).
Frequently Asked Questions
Where does Marathon El Paso Refinery rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Marathon El Paso Refinery ranks #755 of 8,713 reporting facilities by latest reported CO₂e, and #123 of 1,176 facilities in TX (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Marathon El Paso Refinery? ▼
Marathon El Paso Refinery's 809K MT CO₂e is higher than 7,958 of the 8,713 GHGRP facilities with reported emissions (91%), an exact count from the full corpus, not an estimate.
How much CO2 does Marathon El Paso Refinery emit? ▼
Marathon El Paso Refinery reported 809K MT CO2e in 2023.
What share of MARATHON PETROLEUM does Marathon El Paso Refinery represent? ▼
Marathon El Paso Refinery accounts for 2.8% of MARATHON PETROLEUM's reported GHGRP CO₂e (809K MT of 28.8M MT), ranking #9 of 24 facilities under that parent.
What is Marathon El Paso Refinery's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.9% of reported CO₂e at Marathon El Paso Refinery, with CH₄ the larger non-CO₂ share at 0.6% (CO₂ 99.1%). Shares use the facility's GHGRP gas components for that year.
Where does Marathon El Paso Refinery rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Marathon El Paso Refinery ranks #106 of 534 by latest reported CO₂e.
Is Marathon El Paso Refinery reducing emissions? ▼
Over 13 reporting years (2011–2023), Marathon El Paso Refinery's emissions have decreased by 23.8%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside TX for a top-third GHGRP emitter: CO₂e totals first, then Chemicals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside TX (809K MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside TX.