REG Seneca, LLC
Seneca, IL · LASALLE COUNTY · NAICS 325199
Data updated May 2026
REG Seneca, LLC ranks among smaller GHGRP totals (#6,135 of 8,713 nationally; #187 of 299 in IL), a lower-footprint comparator in Chemicals.
- National rank #6,135 of 8,713 GHGRP facilities
- #187 of 299 in IL
- #442 of 534 in Chemicals
- 0.1% of CHEVRON parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +0.6% since 2012
REG Seneca, LLC vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
25,966 6135th of 8713 higher than 2,578 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 0.1% of CHEVRON reported parent CO₂e (26K MT of 18.0M MT ; #17 of 17 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #442 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 26K 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%
- 26K MT
- CH₄
- 0%
- 12 MT
- N₂O
- 0.1%
- 15 MT
Annual emissions history
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 25,966 |
| 2022 | 26,984 |
| 2021 | 33,170 |
| 2020 | 32,155 |
| 2019 | 33,864 |
| 2018 | 32,433 |
| 2017 | 32,378 |
| 2016 | 30,871 |
| 2015 | 28,848 |
| 2014 | 27,882 |
| 2013 | 28,272 |
| 2012 | 25,812 |
Facility insight: REG Seneca, LLC
REG Seneca, LLC (ID 1010538) reported 26K MT CO₂e for 2023 in LASALLE COUNTY, IL (#6,135 of 8,713 by latest CO₂e).
Over 12 years (2012–2023), emissions stayed within a narrow band around 26K MT CO₂e (peak 34K MT). This facility has filed every year from 2012 to 2023, a complete 12-year record.
Peak year was 2019 at 34K MT CO2e; latest 2023 sits 23.3% below that peak (26K MT). The largest year-to-year move was 2021→2022 (-18.6%, 6K MT).
Frequently Asked Questions
Where does REG Seneca, LLC rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, REG Seneca, LLC ranks #6,135 of 8,713 reporting facilities by latest reported CO₂e, and #187 of 299 facilities in IL (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than REG Seneca, LLC? ▼
REG Seneca, LLC's 26K MT CO₂e is higher than 2,578 of the 8,713 GHGRP facilities with reported emissions (30%), an exact count from the full corpus, not an estimate.
How much CO2 does REG Seneca, LLC emit? ▼
REG Seneca, LLC reported 26K MT CO2e in 2023.
What share of CHEVRON does REG Seneca, LLC represent? ▼
REG Seneca, LLC accounts for 0.1% of CHEVRON's reported GHGRP CO₂e (26K MT of 18.0M MT), ranking #17 of 17 facilities under that parent.
What is REG Seneca, LLC's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at REG Seneca, LLC, 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 REG Seneca, LLC rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, REG Seneca, LLC ranks #442 of 534 by latest reported CO₂e.
Is REG Seneca, LLC reducing emissions? ▼
Over 12 reporting years (2012–2023), REG Seneca, LLC's emissions have increased by 0.6%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Lower-footprint peers outside IL: nearest CO₂e totals and same-sector reporters for context.
Similar reported CO₂e
Nearest latest-year facility totals outside IL (26K MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside IL.