AC 857 A
Offshore, TX · NAICS 211120
Data updated May 2026
AC 857 A sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,780 of 8,713 nationally, #274 of 1,176 in TX).
- National rank #1,780 of 8,713 GHGRP facilities
- #274 of 1,176 in TX
- #114 of 2,099 in Petroleum and Natural Gas Systems
- 2.2% of SHELL PETROLEUM parent CO₂e
- 2023 mix: 3.9% non-CO₂ (CH₄-led)
- +33.9% since 2011
AC 857 A vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
180,279 1780th of 8713 higher than 6,933 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 2.2% of SHELL PETROLEUM reported parent CO₂e (180K MT of 8.1M MT ; #7 of 15 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #114 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 180K MT CO₂e reported for 2023, non-CO₂ gases are 3.9% , led by CH₄ at 3.8% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 96.1%
- 173K MT
- CH₄
- 3.8%
- 7K MT
- N₂O
- 0.1%
- 144 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 180,279 |
| 2022 | 205,454 |
| 2021 | 235,653 |
| 2020 | 195,341 |
| 2019 | 214,993 |
| 2018 | 214,869 |
| 2017 | 209,377 |
| 2016 | 265,378 |
| 2015 | 275,627 |
| 2014 | 229,359 |
| 2013 | 180,860 |
| 2012 | 175,745 |
| 2011 | 134,679 |
Facility insight: AC 857 A
AC 857 A (GHGRP ID 1002685) is a high-volume reporter at 180K MT CO₂e in 2023 from Offshore, TX (#1,780 of 8,713 nationally) under Petroleum and Natural Gas Systems (NAICS 211120).
From 2011 to 2023, reported CO₂e rose 33.9% (peak 276K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 276K MT CO2e; latest 2023 sits 34.6% below that peak (180K MT). The largest year-to-year move was 2016→2017 (-21.1%, 56K MT).
Frequently Asked Questions
Where does AC 857 A rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, AC 857 A ranks #1,780 of 8,713 reporting facilities by latest reported CO₂e, and #274 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 AC 857 A? ▼
AC 857 A's 180K MT CO₂e is higher than 6,933 of the 8,713 GHGRP facilities with reported emissions (80%), an exact count from the full corpus, not an estimate.
How much CO2 does AC 857 A emit? ▼
AC 857 A reported 180K MT CO2e in 2023.
What share of SHELL PETROLEUM does AC 857 A represent? ▼
AC 857 A accounts for 2.2% of SHELL PETROLEUM's reported GHGRP CO₂e (180K MT of 8.1M MT), ranking #7 of 15 facilities under that parent.
What is AC 857 A's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 3.9% of reported CO₂e at AC 857 A, with CH₄ the larger non-CO₂ share at 3.8% (CO₂ 96.1%). Shares use the facility's GHGRP gas components for that year.
Where does AC 857 A rank inside Petroleum and Natural Gas Systems? ▼
Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, AC 857 A ranks #114 of 2,099 by latest reported CO₂e.
Is AC 857 A reducing emissions? ▼
Over 13 reporting years (2011–2023), AC 857 A's emissions have increased by 33.9%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside TX 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 TX (180K MT here).
Similar Petroleum and Natural Gas Systems CO₂e
Nearest same-sector facility totals outside TX.