Irvington Generating Station
TUCSON, AZ · Pima · NAICS 221112
Data updated May 2026
Irvington Generating Station sits in the upper third of EPA GHGRP reporters by latest CO₂e (#791 of 8,713 nationally, #19 of 102 in AZ).
- National rank #791 of 8,713 GHGRP facilities
- #19 of 102 in AZ
- #535 of 1,732 in Power Plants
- 12.1% of UNS ENERGY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -8.2% since 2011
Irvington Generating Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
751,196 791st of 8713 higher than 7,922 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 12.1% of UNS ENERGY reported parent CO₂e (751K MT of 6.2M MT ; #3 of 5 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #535 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 751K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 750K MT
- CH₄
- 0%
- 350 MT
- N₂O
- 0.1%
- 417 MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 751,196 |
| 2022 | 536,914 |
| 2021 | 452,449 |
| 2020 | 797,777 |
| 2019 | 1,009,663 |
| 2018 | 866,016 |
| 2017 | 462,584 |
| 2016 | 481,167 |
| 2015 | 591,219 |
| 2014 | 653,727 |
| 2013 | 586,122 |
| 2012 | 568,030 |
| 2011 | 817,858 |
Facility insight: Irvington Generating Station
Irvington Generating Station (GHGRP ID 1001425) is a high-volume reporter at 751K MT CO₂e in 2023 from TUCSON, AZ (#791 of 8,713 nationally) under Power Plants (NAICS 221112).
Over 13 years (2011–2023), emissions stayed within a narrow band around 751K MT CO₂e (peak 1.0M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2019 at 1.0M MT CO2e; latest 2023 sits 25.6% below that peak (751K MT). The largest year-to-year move was 2017→2018 (+87.2%, 403K MT).
Frequently Asked Questions
Where does Irvington Generating Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Irvington Generating Station ranks #791 of 8,713 reporting facilities by latest reported CO₂e, and #19 of 102 facilities in AZ (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Irvington Generating Station? ▼
Irvington Generating Station's 751K MT CO₂e is higher than 7,922 of the 8,713 GHGRP facilities with reported emissions (91%), an exact count from the full corpus, not an estimate.
How much CO2 does Irvington Generating Station emit? ▼
Irvington Generating Station reported 751K MT CO2e in 2023.
What share of UNS ENERGY does Irvington Generating Station represent? ▼
Irvington Generating Station accounts for 12.1% of UNS ENERGY's reported GHGRP CO₂e (751K MT of 6.2M MT), ranking #3 of 5 facilities under that parent.
What is Irvington Generating Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Irvington Generating Station, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does Irvington Generating Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Irvington Generating Station ranks #535 of 1,732 by latest reported CO₂e.
Is Irvington Generating Station reducing emissions? ▼
Over 13 reporting years (2011–2023), Irvington Generating Station's emissions have decreased by 8.2%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside AZ for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside AZ (751K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AZ.