Norco Manufacturing Complex
Norco, LA · ST. CHARLES PARISH · NAICS 324110
Data updated May 2026
Norco Manufacturing Complex sits in the upper third of EPA GHGRP reporters by latest CO₂e (#101 of 8,713 nationally, #6 of 531 in LA).
- National rank #101 of 8,713 GHGRP facilities
- #6 of 531 in LA
- #12 of 534 in Chemicals
- 51.3% of SHELL PETROLEUM parent CO₂e
- 2023 mix: 0.9% non-CO₂ (N₂O-led)
- -6.5% since 2011
Norco Manufacturing Complex vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
4,143,881 101st of 8713 higher than 8,612 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 51.3% of SHELL PETROLEUM reported parent CO₂e (4.1M MT of 8.1M MT ; #1 of 15 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #12 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 4.1M MT CO₂e reported for 2023, non-CO₂ gases are 0.9% , led by N₂O at 0.5% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.1%
- 4.1M MT
- CH₄
- 0.4%
- 15K MT
- N₂O
- 0.5%
- 21K MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 4,143,881 |
| 2022 | 4,097,147 |
| 2021 | 3,409,664 |
| 2020 | 4,212,142 |
| 2019 | 3,961,652 |
| 2018 | 3,901,231 |
| 2017 | 4,071,427 |
| 2016 | 3,981,844 |
| 2015 | 3,522,732 |
| 2014 | 3,596,965 |
| 2013 | 3,586,525 |
| 2012 | 4,032,242 |
| 2011 | 4,433,912 |
Facility insight: Norco Manufacturing Complex
Norco Manufacturing Complex (GHGRP ID 1005911) is a high-volume reporter at 4.1M MT CO₂e in 2023 from Norco, LA (#101 of 8,713 nationally) under Chemicals (NAICS 324110).
Over 13 years (2011–2023), emissions stayed within a narrow band around 4.1M MT CO₂e (peak 4.4M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 4.4M MT CO2e; latest 2023 sits 6.5% below that peak (4.1M MT). The largest year-to-year move was 2020→2021 (-19.1%, 802K MT).
Frequently Asked Questions
Where does Norco Manufacturing Complex rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Norco Manufacturing Complex ranks #101 of 8,713 reporting facilities by latest reported CO₂e, and #6 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 Norco Manufacturing Complex? ▼
Norco Manufacturing Complex's 4.1M MT CO₂e is higher than 8,612 of the 8,713 GHGRP facilities with reported emissions (99%), an exact count from the full corpus, not an estimate.
How much CO2 does Norco Manufacturing Complex emit? ▼
Norco Manufacturing Complex reported 4.1M MT CO2e in 2023.
What share of SHELL PETROLEUM does Norco Manufacturing Complex represent? ▼
Norco Manufacturing Complex accounts for 51.3% of SHELL PETROLEUM's reported GHGRP CO₂e (4.1M MT of 8.1M MT), ranking #1 of 15 facilities under that parent.
What is Norco Manufacturing Complex's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.9% of reported CO₂e at Norco Manufacturing Complex, with N₂O the larger non-CO₂ share at 0.5% (CO₂ 99.1%). Shares use the facility's GHGRP gas components for that year.
Where does Norco Manufacturing Complex rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Norco Manufacturing Complex ranks #12 of 534 by latest reported CO₂e.
Is Norco Manufacturing Complex reducing emissions? ▼
Over 13 reporting years (2011–2023), Norco Manufacturing Complex's emissions have decreased by 6.5%. 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 (4.1M MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside LA.