Vermillion Gas Plant
Rock Springs, WY · SWEETWATER COUNTY · NAICS 211130
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Vermillion Gas Plant ranks #5,550 of 8,713 U.S. reporting facilities by latest reported CO₂e and #75 of 132 facilities in WY.
- National rank #5,550 of 8,713 GHGRP facilities
- #75 of 132 in WY
- #1,116 of 2,099 in Petroleum and Natural Gas Systems
- 0.1% of MARATHON PETROLEUM parent CO₂e
- 2023 mix: 8% non-CO₂ (CH₄-led)
- +17.0% since 2011
Vermillion Gas Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
31,325 5550th of 8713 higher than 3,163 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 0.1% of MARATHON PETROLEUM reported parent CO₂e (31K MT of 28.8M MT ; #23 of 24 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #1,116 of 2,099 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 31K MT CO₂e reported for 2023, non-CO₂ gases are 8% , led by CH₄ at 8% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 92%
- 29K MT
- CH₄
- 8%
- 2K MT
- N₂O
- 0.1%
- 16 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 31,325 |
| 2022 | 30,697 |
| 2021 | 29,657 |
| 2020 | 29,746 |
| 2019 | 37,368 |
| 2018 | 36,933 |
| 2017 | 25,977 |
| 2016 | 27,829 |
| 2015 | 25,763 |
| 2014 | 21,644 |
| 2013 | 25,008 |
| 2012 | 24,296 |
| 2011 | 26,768 |
Facility insight: Vermillion Gas Plant
Vermillion Gas Plant (EPA GHGRP Facility ID 1009233) reported 31K metric tons of CO2-equivalent in 2023, operating in Rock Springs, WY within SWEETWATER COUNTY. Among GHGRP reporters it ranks #5,550 of 8,713 nationally by latest CO₂e and #75 of 132 in WY. The site is classified under Petroleum and Natural Gas Systems with NAICS code 211130.
From 2011 to 2023, reported CO₂e rose 17.0% (peak 37K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2019 at 37K MT CO2e; latest 2023 sits 16.2% below that peak (31K MT). The largest year-to-year move was 2017→2018 (+42.2%, 11K MT).
Frequently Asked Questions
Where does Vermillion Gas Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Vermillion Gas Plant ranks #5,550 of 8,713 reporting facilities by latest reported CO₂e, and #75 of 132 facilities in WY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Vermillion Gas Plant? ▼
Vermillion Gas Plant's 31K MT CO₂e is higher than 3,163 of the 8,713 GHGRP facilities with reported emissions (36%), an exact count from the full corpus, not an estimate.
How much CO2 does Vermillion Gas Plant emit? ▼
Vermillion Gas Plant reported 31K MT CO2e in 2023.
What share of MARATHON PETROLEUM does Vermillion Gas Plant represent? ▼
Vermillion Gas Plant accounts for 0.1% of MARATHON PETROLEUM's reported GHGRP CO₂e (31K MT of 28.8M MT), ranking #23 of 24 facilities under that parent.
What is Vermillion Gas Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 8% of reported CO₂e at Vermillion Gas Plant, with CH₄ the larger non-CO₂ share at 8% (CO₂ 92%). Shares use the facility's GHGRP gas components for that year.
Where does Vermillion Gas Plant rank inside Petroleum and Natural Gas Systems? ▼
Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, Vermillion Gas Plant ranks #1,116 of 2,099 by latest reported CO₂e.
Is Vermillion Gas Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Vermillion Gas Plant's emissions have increased by 17%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Vermillion Gas Plant, both outside WY so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside WY (31K MT here).
Similar Petroleum and Natural Gas Systems CO₂e
Nearest same-sector facility totals outside WY.