Century Aluminum Sebree LLC
Robards, KY · HENDERSON COUNTY · NAICS 331313
Data updated May 2026
Century Aluminum Sebree LLC sits in the upper third of EPA GHGRP reporters by latest CO₂e (#931 of 8,713 nationally, #16 of 178 in KY).
- National rank #931 of 8,713 GHGRP facilities
- #16 of 178 in KY
- #23 of 363 in Metals
- 57.2% of CENTURY ALUMINUM parent CO₂e
- 2023 mix: 0% non-CO₂ (N₂O-led)
- -9.5% since 2011
Century Aluminum Sebree LLC vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
564,341 931st of 8713 higher than 7,782 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 57.2% of CENTURY ALUMINUM reported parent CO₂e (564K MT of 986K MT ; #1 of 3 GHGRP facilities under that parent ). Inside the EPA Metals sector it ranks #23 of 363 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 564K MT CO₂e reported for 2023, non-CO₂ gases are 0% , led by N₂O at 0% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 72.5%
- 409K MT
- CH₄
- 0%
- 30 MT
- N₂O
- 0%
- 35 MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 564,341 |
| 2022 | 588,114 |
| 2021 | 603,892 |
| 2020 | 594,672 |
| 2019 | 534,996 |
| 2018 | 508,424 |
| 2017 | 469,946 |
| 2016 | 547,773 |
| 2015 | 552,207 |
| 2014 | 607,475 |
| 2013 | 866,956 |
| 2012 | 648,216 |
| 2011 | 623,806 |
Facility insight: Century Aluminum Sebree LLC
Century Aluminum Sebree LLC (GHGRP ID 1006666) is a high-volume reporter at 564K MT CO₂e in 2023 from Robards, KY (#931 of 8,713 nationally) under Metals (NAICS 331313).
Over 13 years (2011–2023), emissions stayed within a narrow band around 564K MT CO₂e (peak 867K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2013 at 867K MT CO2e; latest 2023 sits 34.9% below that peak (564K MT). The largest year-to-year move was 2013→2014 (-29.9%, 259K MT).
Frequently Asked Questions
Where does Century Aluminum Sebree LLC rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Century Aluminum Sebree LLC ranks #931 of 8,713 reporting facilities by latest reported CO₂e, and #16 of 178 facilities in KY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Century Aluminum Sebree LLC? ▼
Century Aluminum Sebree LLC's 564K MT CO₂e is higher than 7,782 of the 8,713 GHGRP facilities with reported emissions (89%), an exact count from the full corpus, not an estimate.
How much CO2 does Century Aluminum Sebree LLC emit? ▼
Century Aluminum Sebree LLC reported 564K MT CO2e in 2023.
What share of CENTURY ALUMINUM does Century Aluminum Sebree LLC represent? ▼
Century Aluminum Sebree LLC accounts for 57.2% of CENTURY ALUMINUM's reported GHGRP CO₂e (564K MT of 986K MT), ranking #1 of 3 facilities under that parent.
What is Century Aluminum Sebree LLC's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0% of reported CO₂e at Century Aluminum Sebree LLC, with N₂O the larger non-CO₂ share at 0% (CO₂ 72.5%). Shares use the facility's GHGRP gas components for that year.
Where does Century Aluminum Sebree LLC rank inside Metals? ▼
Among EPA GHGRP facilities tagged Metals, Century Aluminum Sebree LLC ranks #23 of 363 by latest reported CO₂e.
Is Century Aluminum Sebree LLC reducing emissions? ▼
Over 13 reporting years (2011–2023), Century Aluminum Sebree LLC's emissions have decreased by 9.5%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside KY for a top-third GHGRP emitter: CO₂e totals first, then Metals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside KY (564K MT here).
Similar Metals CO₂e
Nearest same-sector facility totals outside KY.