SHELL CHEMICAL CO - GEISMAR PLANT
GEISMAR, LA · ASCENSION PARISH · NAICS 325110
Data updated May 2026
SHELL CHEMICAL CO - GEISMAR PLANT sits in the upper third of EPA GHGRP reporters by latest CO₂e (#592 of 8,713 nationally, #35 of 531 in LA).
- National rank #592 of 8,713 GHGRP facilities
- #35 of 531 in LA
- #69 of 534 in Chemicals
- 13.3% of SHELL PETROLEUM parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +6.8% since 2011
SHELL CHEMICAL CO - GEISMAR PLANT vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,069,814 592nd of 8713 higher than 8,121 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 13.3% of SHELL PETROLEUM reported parent CO₂e (1.1M MT of 8.1M MT ; #3 of 15 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #69 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 1.1M MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 1.1M MT
- CH₄
- 0%
- 527 MT
- N₂O
- 0.1%
- 807 MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,069,814 |
| 2022 | 1,063,570 |
| 2021 | 1,064,089 |
| 2020 | 1,094,276 |
| 2019 | 1,064,539 |
| 2018 | 980,823 |
| 2017 | 917,053 |
| 2016 | 898,534 |
| 2015 | 933,213 |
| 2014 | 939,534 |
| 2013 | 907,640 |
| 2012 | 918,606 |
| 2011 | 1,002,123 |
Facility insight: SHELL CHEMICAL CO - GEISMAR PLANT
SHELL CHEMICAL CO - GEISMAR PLANT (GHGRP ID 1001936) is a high-volume reporter at 1.1M MT CO₂e in 2023 from GEISMAR, LA (#592 of 8,713 nationally) under Chemicals (NAICS 325110).
Over 13 years (2011–2023), emissions stayed within a narrow band around 1.1M MT CO₂e (peak 1.1M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2020 at 1.1M MT CO2e; latest 2023 sits 2.2% below that peak (1.1M MT). The largest year-to-year move was 2018→2019 (+8.5%, 84K MT).
Frequently Asked Questions
Where does SHELL CHEMICAL CO - GEISMAR PLANT rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, SHELL CHEMICAL CO - GEISMAR PLANT ranks #592 of 8,713 reporting facilities by latest reported CO₂e, and #35 of 531 facilities in LA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than SHELL CHEMICAL CO - GEISMAR PLANT? ▼
SHELL CHEMICAL CO - GEISMAR PLANT's 1.1M MT CO₂e is higher than 8,121 of the 8,713 GHGRP facilities with reported emissions (93%), an exact count from the full corpus, not an estimate.
How much CO2 does SHELL CHEMICAL CO - GEISMAR PLANT emit? ▼
SHELL CHEMICAL CO - GEISMAR PLANT reported 1.1M MT CO2e in 2023.
What share of SHELL PETROLEUM does SHELL CHEMICAL CO - GEISMAR PLANT represent? ▼
SHELL CHEMICAL CO - GEISMAR PLANT accounts for 13.3% of SHELL PETROLEUM's reported GHGRP CO₂e (1.1M MT of 8.1M MT), ranking #3 of 15 facilities under that parent.
What is SHELL CHEMICAL CO - GEISMAR PLANT's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at SHELL CHEMICAL CO - GEISMAR PLANT, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does SHELL CHEMICAL CO - GEISMAR PLANT rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, SHELL CHEMICAL CO - GEISMAR PLANT ranks #69 of 534 by latest reported CO₂e.
Is SHELL CHEMICAL CO - GEISMAR PLANT reducing emissions? ▼
Over 13 reporting years (2011–2023), SHELL CHEMICAL CO - GEISMAR PLANT's emissions have increased by 6.8%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside LA for a top-third GHGRP emitter: CO₂e totals first, then Chemicals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside LA (1.1M MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside LA.