Methanex USA, LLC - Geismar Methanol Plant
Geismar, LA · ASCENSION PARISH · NAICS 325199
Data updated May 2026
Methanex USA, LLC - Geismar Methanol Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#632 of 8,713 nationally, #39 of 531 in LA).
- National rank #632 of 8,713 GHGRP facilities
- #39 of 531 in LA
- #80 of 534 in Chemicals
- 100% of METHANEX USA parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +147.7% since 2015
Methanex USA, LLC - Geismar Methanol Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,003,452 632nd of 8713 higher than 8,081 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 100% of METHANEX USA reported parent CO₂e (1.0M MT of 1.0M MT ). Inside the EPA Chemicals sector it ranks #80 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 1.0M MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 1.0M MT
- CH₄
- 0%
- 239 MT
- N₂O
- 0%
- 285 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,003,452 |
| 2022 | 995,769 |
| 2021 | 1,029,986 |
| 2020 | 856,185 |
| 2019 | 781,997 |
| 2018 | 785,823 |
| 2017 | 770,380 |
| 2016 | 803,161 |
| 2015 | 405,081 |
Facility insight: Methanex USA, LLC - Geismar Methanol Plant
Methanex USA, LLC - Geismar Methanol Plant (GHGRP ID 1011799) is a high-volume reporter at 1.0M MT CO₂e in 2023 from Geismar, LA (#632 of 8,713 nationally) under Chemicals (NAICS 325199).
From 2015 to 2023, reported CO₂e rose 147.7% (peak 1.0M MT). This facility has filed every year from 2015 to 2023, a complete 9-year record.
Peak year was 2021 at 1.0M MT CO2e; latest 2023 sits 2.6% below that peak (1.0M MT). The largest year-to-year move was 2015→2016 (+98.3%, 398K MT).
Frequently Asked Questions
Where does Methanex USA, LLC - Geismar Methanol Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Methanex USA, LLC - Geismar Methanol Plant ranks #632 of 8,713 reporting facilities by latest reported CO₂e, and #39 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 Methanex USA, LLC - Geismar Methanol Plant? ▼
Methanex USA, LLC - Geismar Methanol Plant's 1.0M MT CO₂e is higher than 8,081 of the 8,713 GHGRP facilities with reported emissions (93%), an exact count from the full corpus, not an estimate.
How much CO2 does Methanex USA, LLC - Geismar Methanol Plant emit? ▼
Methanex USA, LLC - Geismar Methanol Plant reported 1.0M MT CO2e in 2023.
What share of METHANEX USA does Methanex USA, LLC - Geismar Methanol Plant represent? ▼
Methanex USA, LLC - Geismar Methanol Plant accounts for 100% of METHANEX USA's reported GHGRP CO₂e (1.0M MT of 1.0M MT).
What is Methanex USA, LLC - Geismar Methanol Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Methanex USA, LLC - Geismar Methanol Plant, with N₂O the larger non-CO₂ share at 0% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does Methanex USA, LLC - Geismar Methanol Plant rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Methanex USA, LLC - Geismar Methanol Plant ranks #80 of 534 by latest reported CO₂e.
Is Methanex USA, LLC - Geismar Methanol Plant reducing emissions? ▼
Over 9 reporting years (2015–2023), Methanex USA, LLC - Geismar Methanol Plant's emissions have increased by 147.7%. This may reflect expanded operations or increased production.
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 (1.0M MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside LA.