Meramec
ST LOUIS, MO · Saint Louis · NAICS 221112
Data updated May 2026
Meramec sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,617 of 8,713 nationally, #27 of 131 in MO).
- National rank #1,617 of 8,713 GHGRP facilities
- #27 of 131 in MO
- #810 of 1,732 in Power Plants
- 1.1% of AMEREN parent CO₂e
- -96.4% since 2011
Meramec vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
209,081 1617th of 8713 higher than 7,096 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 · 2022
Facility footprint context
This site accounts for 1.1% of AMEREN reported parent CO₂e (209K MT of 19.9M MT ; #4 of 11 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #810 of 1,732 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2022 | 209,081 |
| 2021 | 588,840 |
| 2020 | 133,569 |
| 2019 | 571,715 |
| 2018 | 1,445,686 |
| 2017 | 1,225,790 |
| 2016 | 1,759,881 |
| 2015 | 2,324,558 |
| 2014 | 5,263,203 |
| 2013 | 2,675,991 |
| 2012 | 4,269,363 |
| 2011 | 5,814,714 |
Facility insight: Meramec
Meramec (GHGRP ID 1000707) is a high-volume reporter at 209K MT CO₂e in 2022 from ST LOUIS, MO (#1,617 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2022, annual CO₂e fell 96.4%; peak load was 5.8M MT in 2011. This facility has filed every year from 2011 to 2022, a complete 12-year record.
Peak year was 2011 at 5.8M MT CO2e; latest 2022 sits 96.4% below that peak (209K MT). The largest year-to-year move was 2014→2015 (-55.8%, 2.9M MT).
Frequently Asked Questions
Where does Meramec rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Meramec ranks #1,617 of 8,713 reporting facilities by latest reported CO₂e, and #27 of 131 facilities in MO (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Meramec? ▼
Meramec's 209K MT CO₂e is higher than 7,096 of the 8,713 GHGRP facilities with reported emissions (81%), an exact count from the full corpus, not an estimate.
How much CO2 does Meramec emit? ▼
Meramec reported 209K MT CO2e in 2022.
What share of AMEREN does Meramec represent? ▼
Meramec accounts for 1.1% of AMEREN's reported GHGRP CO₂e (209K MT of 19.9M MT), ranking #4 of 11 facilities under that parent.
Where does Meramec rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Meramec ranks #810 of 1,732 by latest reported CO₂e.
Is Meramec reducing emissions? ▼
Over 12 reporting years (2011–2022), Meramec's emissions have decreased by 96.4%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside MO for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside MO (209K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside MO.