Coronado Generating Station
ST JOHNS, AZ · Apache · NAICS 221112
Data updated May 2026
Coronado Generating Station sits in the upper third of EPA GHGRP reporters by latest CO₂e (#125 of 8,713 nationally, #4 of 102 in AZ).
- National rank #125 of 8,713 GHGRP facilities
- #4 of 102 in AZ
- #99 of 1,732 in Power Plants
- 24.3% of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT parent CO₂e
- 2023 mix: 0.8% non-CO₂ (N₂O-led)
- -39.2% since 2011
Coronado Generating Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
3,663,723 125th of 8713 higher than 8,588 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 24.3% of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT reported parent CO₂e (3.7M MT of 15.1M MT ; #2 of 7 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #99 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 3.7M MT CO₂e reported for 2023, non-CO₂ gases are 0.8% , led by N₂O at 0.5% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.2%
- 3.6M MT
- CH₄
- 0.3%
- 11K MT
- N₂O
- 0.5%
- 18K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 3,663,723 |
| 2022 | 3,543,886 |
| 2021 | 3,944,383 |
| 2020 | 3,167,440 |
| 2019 | 2,560,334 |
| 2018 | 4,192,563 |
| 2017 | 4,594,471 |
| 2016 | 5,642,092 |
| 2015 | 5,571,745 |
| 2014 | 6,065,383 |
| 2013 | 6,483,270 |
| 2012 | 6,304,958 |
| 2011 | 6,030,449 |
Facility insight: Coronado Generating Station
Coronado Generating Station (GHGRP ID 1007103) is a high-volume reporter at 3.7M MT CO₂e in 2023 from ST JOHNS, AZ (#125 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 39.2%; peak load was 6.5M MT in 2013. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2013 at 6.5M MT CO2e; latest 2023 sits 43.5% below that peak (3.7M MT). The largest year-to-year move was 2018→2019 (-38.9%, 1.6M MT).
Frequently Asked Questions
Where does Coronado Generating Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Coronado Generating Station ranks #125 of 8,713 reporting facilities by latest reported CO₂e, and #4 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 Coronado Generating Station? ▼
Coronado Generating Station's 3.7M MT CO₂e is higher than 8,588 of the 8,713 GHGRP facilities with reported emissions (99%), an exact count from the full corpus, not an estimate.
How much CO2 does Coronado Generating Station emit? ▼
Coronado Generating Station reported 3.7M MT CO2e in 2023.
What share of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT does Coronado Generating Station represent? ▼
Coronado Generating Station accounts for 24.3% of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT's reported GHGRP CO₂e (3.7M MT of 15.1M MT), ranking #2 of 7 facilities under that parent.
What is Coronado Generating Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.8% of reported CO₂e at Coronado Generating Station, with N₂O the larger non-CO₂ share at 0.5% (CO₂ 99.2%). Shares use the facility's GHGRP gas components for that year.
Where does Coronado Generating Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Coronado Generating Station ranks #99 of 1,732 by latest reported CO₂e.
Is Coronado Generating Station reducing emissions? ▼
Over 13 reporting years (2011–2023), Coronado Generating Station's emissions have decreased by 39.2%. This suggests meaningful progress in emissions reduction.
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 (3.7M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AZ.