Westlake Chemicals & Vinyls LLC
WESTLAKE, LA · CALCASIEU PARISH · NAICS 325110
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Westlake Chemicals & Vinyls LLC ranks #3,485 of 8,713 U.S. reporting facilities by latest reported CO₂e and #223 of 531 facilities in LA.
- National rank #3,485 of 8,713 GHGRP facilities
- #223 of 531 in LA
- #307 of 534 in Chemicals
- 2.4% of WESTLAKE parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +7.8% since 2011
Westlake Chemicals & Vinyls LLC vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
66,917 3485th of 8713 higher than 5,228 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 2.4% of WESTLAKE reported parent CO₂e (67K MT of 2.8M MT ; #2 of 3 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #307 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 67K 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%
- 67K MT
- CH₄
- 0%
- 27 MT
- N₂O
- 0%
- 32 MT
Annual emissions history
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 66,917 |
| 2022 | 73,204 |
| 2021 | 61,141 |
| 2020 | 40,199 |
| 2019 | 76,118 |
| 2018 | 80,299 |
| 2017 | 68,129 |
| 2016 | 70,776 |
| 2015 | 80,404 |
| 2014 | 75,338 |
| 2013 | 80,573 |
| 2012 | 77,811 |
| 2011 | 62,103 |
Facility insight: Westlake Chemicals & Vinyls LLC
Westlake Chemicals & Vinyls LLC (EPA GHGRP Facility ID 1007750) reported 67K metric tons of CO2-equivalent in 2023, operating in WESTLAKE, LA within CALCASIEU PARISH. Among GHGRP reporters it ranks #3,485 of 8,713 nationally by latest CO₂e and #223 of 531 in LA. The site is classified under Chemicals with NAICS code 325110.
Over 13 years (2011–2023), emissions stayed within a narrow band around 67K MT CO₂e (peak 81K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2013 at 81K MT CO2e; latest 2023 sits 16.9% below that peak (67K MT). The largest year-to-year move was 2019→2020 (-47.2%, 36K MT).
Frequently Asked Questions
Where does Westlake Chemicals & Vinyls LLC rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Westlake Chemicals & Vinyls LLC ranks #3,485 of 8,713 reporting facilities by latest reported CO₂e, and #223 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 Westlake Chemicals & Vinyls LLC? ▼
Westlake Chemicals & Vinyls LLC's 67K MT CO₂e is higher than 5,228 of the 8,713 GHGRP facilities with reported emissions (60%), an exact count from the full corpus, not an estimate.
How much CO2 does Westlake Chemicals & Vinyls LLC emit? ▼
Westlake Chemicals & Vinyls LLC reported 67K MT CO2e in 2023.
What share of WESTLAKE does Westlake Chemicals & Vinyls LLC represent? ▼
Westlake Chemicals & Vinyls LLC accounts for 2.4% of WESTLAKE's reported GHGRP CO₂e (67K MT of 2.8M MT), ranking #2 of 3 facilities under that parent.
What is Westlake Chemicals & Vinyls LLC's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Westlake Chemicals & Vinyls LLC, 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 Westlake Chemicals & Vinyls LLC rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Westlake Chemicals & Vinyls LLC ranks #307 of 534 by latest reported CO₂e.
Is Westlake Chemicals & Vinyls LLC reducing emissions? ▼
Over 13 reporting years (2011–2023), Westlake Chemicals & Vinyls LLC's emissions have increased by 7.8%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Westlake Chemicals & Vinyls LLC, both outside LA so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside LA (67K MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside LA.