Ames
AMES, IA · Story · NAICS 221112
Data updated May 2026
Ames sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,532 of 8,713 nationally, #25 of 172 in IA).
- National rank #1,532 of 8,713 GHGRP facilities
- #25 of 172 in IA
- #792 of 1,732 in Power Plants
- 99.2% of CITY OF AMES IOWA parent CO₂e
- 2023 mix: 0.4% non-CO₂ (N₂O-led)
- -41.3% since 2011
Ames vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
236,925 1532nd of 8713 higher than 7,181 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 99.2% of CITY OF AMES IOWA reported parent CO₂e (237K MT of 239K MT ; #1 of 2 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #792 of 1,732 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 237K MT CO₂e reported for 2023, non-CO₂ gases are 0.4% , led by N₂O at 0.2% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.6%
- 236K MT
- CH₄
- 0.2%
- 392 MT
- N₂O
- 0.2%
- 580 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 236,925 |
| 2022 | 241,719 |
| 2021 | 194,446 |
| 2020 | 179,249 |
| 2019 | 78,940 |
| 2018 | 129,311 |
| 2017 | 198,642 |
| 2016 | 233,518 |
| 2015 | 313,986 |
| 2014 | 348,776 |
| 2013 | 364,295 |
| 2012 | 416,446 |
| 2011 | 403,359 |
Facility insight: Ames
Ames (GHGRP ID 1005802) is a high-volume reporter at 237K MT CO₂e in 2023 from AMES, IA (#1,532 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 41.3%; peak load was 416K MT in 2012. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2012 at 416K MT CO2e; latest 2023 sits 43.1% below that peak (237K MT). The largest year-to-year move was 2019→2020 (+127.1%, 100K MT).
Frequently Asked Questions
Where does Ames rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Ames ranks #1,532 of 8,713 reporting facilities by latest reported CO₂e, and #25 of 172 facilities in IA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Ames? ▼
Ames's 237K MT CO₂e is higher than 7,181 of the 8,713 GHGRP facilities with reported emissions (82%), an exact count from the full corpus, not an estimate.
How much CO2 does Ames emit? ▼
Ames reported 237K MT CO2e in 2023.
What share of CITY OF AMES IOWA does Ames represent? ▼
Ames accounts for 99.2% of CITY OF AMES IOWA's reported GHGRP CO₂e (237K MT of 239K MT), ranking #1 of 2 facilities under that parent.
What is Ames's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.4% of reported CO₂e at Ames, with N₂O the larger non-CO₂ share at 0.2% (CO₂ 99.6%). Shares use the facility's GHGRP gas components for that year.
Where does Ames rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Ames ranks #792 of 1,732 by latest reported CO₂e.
Is Ames reducing emissions? ▼
Over 13 reporting years (2011–2023), Ames's emissions have decreased by 41.3%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside IA for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside IA (237K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside IA.