Sioux
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WEST ALTON, MO · Saint Charles · NAICS 221112
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 3,233,285 |
| 2022 | 3,856,622 |
| 2021 | 4,008,604 |
| 2020 | 2,897,754 |
| 2019 | 4,029,490 |
| 2018 | 5,711,363 |
| 2017 | 5,146,392 |
| 2016 | 4,553,539 |
| 2015 | 4,314,760 |
| 2014 | 4,720,464 |
| 2013 | 4,730,255 |
| 2012 | 4,529,980 |
| 2011 | 5,102,517 |
Facility Insight: Sioux
Sioux (EPA GHGRP Facility ID 1007202) reported 3.2M metric tons of CO2-equivalent in 2023, operating in WEST ALTON, MO within Saint Charles. The site is classified under Power Plants with NAICS code 221112.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions declined by 36.6%, with the peak observed year showing up to 5.7M MT CO2e.
Emissions Analysis
Sioux is a major emissions source, reporting 3.2M 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 Sioux emit? ▼
Sioux reported 3.2M MT CO2e in 2023.
Is Sioux reducing emissions? ▼
Over 13 reporting years (2011–2023), Sioux's emissions have decreased by 36.6%. This suggests meaningful progress in emissions reduction.