TRANSCO STATION 180
UNIONVILLE, VA · ORANGE COUNTY · NAICS 486210
Data updated May 2026
TRANSCO STATION 180 sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,575 of 8,713 nationally, #48 of 181 in VA).
- National rank #2,575 of 8,713 GHGRP facilities
- #48 of 181 in VA
- #279 of 2,099 in Petroleum and Natural Gas Systems
- 1.7% of THE WILLIAMS COS parent CO₂e
- 2023 mix: 7.2% non-CO₂ (CH₄-led)
- -19.4% since 2011
TRANSCO STATION 180 vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
103,186 2575th of 8713 higher than 6,138 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 1.7% of THE WILLIAMS COS reported parent CO₂e (103K MT of 6.2M MT ; #20 of 65 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #279 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 103K MT CO₂e reported for 2023, non-CO₂ gases are 7.2% , led by CH₄ at 7.2% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 92.8%
- 96K MT
- CH₄
- 7.2%
- 7K MT
- N₂O
- 0.1%
- 54 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 103,186 |
| 2022 | 97,832 |
| 2021 | 85,832 |
| 2020 | 82,002 |
| 2019 | 78,177 |
| 2018 | 36,522 |
| 2017 | 68,224 |
| 2016 | 33,779 |
| 2015 | 6,608 |
| 2014 | 6,015 |
| 2013 | 5,884 |
| 2012 | 59,784 |
| 2011 | 127,948 |
Facility insight: TRANSCO STATION 180
TRANSCO STATION 180 (GHGRP ID 1008046) is a high-volume reporter at 103K MT CO₂e in 2023 from UNIONVILLE, VA (#2,575 of 8,713 nationally) under Petroleum and Natural Gas Systems (NAICS 486210).
Across 2011–2023, annual CO₂e fell 19.4%; peak load was 128K MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 128K MT CO2e; latest 2023 sits 19.4% below that peak (103K MT). The largest year-to-year move was 2011→2012 (-53.3%, 68K MT).
Frequently Asked Questions
Where does TRANSCO STATION 180 rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, TRANSCO STATION 180 ranks #2,575 of 8,713 reporting facilities by latest reported CO₂e, and #48 of 181 facilities in VA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than TRANSCO STATION 180? ▼
TRANSCO STATION 180's 103K MT CO₂e is higher than 6,138 of the 8,713 GHGRP facilities with reported emissions (70%), an exact count from the full corpus, not an estimate.
How much CO2 does TRANSCO STATION 180 emit? ▼
TRANSCO STATION 180 reported 103K MT CO2e in 2023.
What share of THE WILLIAMS COS does TRANSCO STATION 180 represent? ▼
TRANSCO STATION 180 accounts for 1.7% of THE WILLIAMS COS's reported GHGRP CO₂e (103K MT of 6.2M MT), ranking #20 of 65 facilities under that parent.
What is TRANSCO STATION 180's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 7.2% of reported CO₂e at TRANSCO STATION 180, with CH₄ the larger non-CO₂ share at 7.2% (CO₂ 92.8%). Shares use the facility's GHGRP gas components for that year.
Where does TRANSCO STATION 180 rank inside Petroleum and Natural Gas Systems? ▼
Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, TRANSCO STATION 180 ranks #279 of 2,099 by latest reported CO₂e.
Is TRANSCO STATION 180 reducing emissions? ▼
Over 13 reporting years (2011–2023), TRANSCO STATION 180's emissions have decreased by 19.4%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside VA for a top-third GHGRP emitter: CO₂e totals first, then Petroleum and Natural Gas Systems neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside VA (103K MT here).
Similar Petroleum and Natural Gas Systems CO₂e
Nearest same-sector facility totals outside VA.