Meramec
ST LOUIS, MO · Saint Louis · NAICS 221112
Last reported 2022. This facility's newest EPA GHGRP report is for 2022, not 2023, so its figures and its rank compare older data with 2023 peers. The ranking tables mark facilities like this one with a "Last reported" label.
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.