IOWA STATE UNIVERSITY/ ISU HEATING PLANT
AMES, IA · STORY COUNTY · NAICS 611310
Data updated May 2026
IOWA STATE UNIVERSITY/ ISU HEATING PLANT sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,036 of 8,713 nationally, #47 of 172 in IA).
- National rank #2,036 of 8,713 GHGRP facilities
- #47 of 172 in IA
- #164 of 1,599 in Other
- 100% of IOWA STATE UNIVERSITY OF SCIENCE & TECHNOLOGY parent CO₂e
- 2023 mix: 0.2% non-CO₂ (N₂O-led)
- -55.2% since 2011
IOWA STATE UNIVERSITY/ ISU HEATING PLANT vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
146,726 2036th of 8713 higher than 6,677 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 100% of IOWA STATE UNIVERSITY OF SCIENCE & TECHNOLOGY reported parent CO₂e (147K MT of 147K MT ). Inside the EPA Other sector it ranks #164 of 1,599 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 147K MT CO₂e reported for 2023, non-CO₂ gases are 0.2% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.8%
- 146K MT
- CH₄
- 0.1%
- 105 MT
- N₂O
- 0.1%
- 148 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 146,726 |
| 2022 | 211,657 |
| 2021 | 208,785 |
| 2020 | 203,541 |
| 2019 | 230,995 |
| 2018 | 243,515 |
| 2017 | 247,392 |
| 2016 | 253,123 |
| 2015 | 287,856 |
| 2014 | 300,165 |
| 2013 | 309,229 |
| 2012 | 318,082 |
| 2011 | 327,281 |
Facility insight: IOWA STATE UNIVERSITY/ ISU HEATING PLANT
IOWA STATE UNIVERSITY/ ISU HEATING PLANT (GHGRP ID 1002641) is a high-volume reporter at 147K MT CO₂e in 2023 from AMES, IA (#2,036 of 8,713 nationally) under Other (NAICS 611310).
Across 2011–2023, annual CO₂e fell 55.2%; peak load was 327K MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 327K MT CO2e; latest 2023 sits 55.2% below that peak (147K MT). The largest year-to-year move was 2022→2023 (-30.7%, 65K MT).
Frequently Asked Questions
Where does IOWA STATE UNIVERSITY/ ISU HEATING PLANT rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, IOWA STATE UNIVERSITY/ ISU HEATING PLANT ranks #2,036 of 8,713 reporting facilities by latest reported CO₂e, and #47 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 IOWA STATE UNIVERSITY/ ISU HEATING PLANT? ▼
IOWA STATE UNIVERSITY/ ISU HEATING PLANT's 147K MT CO₂e is higher than 6,677 of the 8,713 GHGRP facilities with reported emissions (77%), an exact count from the full corpus, not an estimate.
How much CO2 does IOWA STATE UNIVERSITY/ ISU HEATING PLANT emit? ▼
IOWA STATE UNIVERSITY/ ISU HEATING PLANT reported 147K MT CO2e in 2023.
What share of IOWA STATE UNIVERSITY OF SCIENCE & TECHNOLOGY does IOWA STATE UNIVERSITY/ ISU HEATING PLANT represent? ▼
IOWA STATE UNIVERSITY/ ISU HEATING PLANT accounts for 100% of IOWA STATE UNIVERSITY OF SCIENCE & TECHNOLOGY's reported GHGRP CO₂e (147K MT of 147K MT).
What is IOWA STATE UNIVERSITY/ ISU HEATING PLANT's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.2% of reported CO₂e at IOWA STATE UNIVERSITY/ ISU HEATING PLANT, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.8%). Shares use the facility's GHGRP gas components for that year.
Where does IOWA STATE UNIVERSITY/ ISU HEATING PLANT rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, IOWA STATE UNIVERSITY/ ISU HEATING PLANT ranks #164 of 1,599 by latest reported CO₂e.
Is IOWA STATE UNIVERSITY/ ISU HEATING PLANT reducing emissions? ▼
Over 13 reporting years (2011–2023), IOWA STATE UNIVERSITY/ ISU HEATING PLANT's emissions have decreased by 55.2%. 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 Other neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside IA (147K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside IA.