Methanex USA, LLC - Geismar Methanol Plant
Every figure on PlainCarbon is rendered directly from EPA Greenhouse Gas Reporting Program (GHGRP) data, no number is typed in by an editor. This page draws directly on the EPA Greenhouse Gas Reporting Program (GHGRP), no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
Geismar, LA · ASCENSION PARISH · NAICS 325199
Data updated May 2026
Annual Emissions History
| 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 (EPA GHGRP Facility ID 1011799) reported 1.0M metric tons of CO2-equivalent in 2023, operating in Geismar, LA within ASCENSION PARISH. The site is classified under Chemicals with NAICS code 325199.
The facility has 9 years of reported data on record, covering the 2015–2023 window. Over that period, annual CO2e emissions rose by 147.7%, with the peak observed year showing up to 1.0M MT CO2e.
Emissions Analysis
Methanex USA, LLC - Geismar Methanol Plant is a major emissions source, reporting 1.0M metric tons of CO2 equivalent. Facilities of this scale typically include power plants, refineries, or large manufacturing operations.
Frequently Asked Questions
How much CO2 does Methanex USA, LLC - Geismar Methanol Plant emit? ▼
Methanex USA, LLC - Geismar Methanol Plant reported 1.0M MT CO2e in 2023.
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.