Coolidge Generating Station
Randolph, AZ · Pinal · NAICS 221112
Data updated May 2026
Coolidge Generating Station sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,520 of 8,713 nationally, #26 of 102 in AZ).
- National rank #1,520 of 8,713 GHGRP facilities
- #26 of 102 in AZ
- #788 of 1,732 in Power Plants
- 1.6% of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +215.2% since 2011
Coolidge Generating Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
241,403 1520th of 8713 higher than 7,193 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 1.6% of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT reported parent CO₂e (241K MT of 15.1M MT ; #6 of 7 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #788 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 241K 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%
- 241K MT
- CH₄
- 0%
- 112 MT
- N₂O
- 0.1%
- 134 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 241,403 |
| 2022 | 189,001 |
| 2021 | 156,622 |
| 2020 | 281,399 |
| 2019 | 185,870 |
| 2018 | 84,191 |
| 2017 | 89,839 |
| 2016 | 89,518 |
| 2015 | 144,943 |
| 2014 | 108,151 |
| 2013 | 121,338 |
| 2012 | 162,355 |
| 2011 | 76,592 |
Facility insight: Coolidge Generating Station
Coolidge Generating Station (GHGRP ID 1007962) is a high-volume reporter at 241K MT CO₂e in 2023 from Randolph, AZ (#1,520 of 8,713 nationally) under Power Plants (NAICS 221112).
From 2011 to 2023, reported CO₂e rose 215.2% (peak 281K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2020 at 281K MT CO2e; latest 2023 sits 14.2% below that peak (241K MT). The largest year-to-year move was 2020→2021 (-44.3%, 125K MT).
Frequently Asked Questions
Where does Coolidge Generating Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Coolidge Generating Station ranks #1,520 of 8,713 reporting facilities by latest reported CO₂e, and #26 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 Coolidge Generating Station? ▼
Coolidge Generating Station's 241K MT CO₂e is higher than 7,193 of the 8,713 GHGRP facilities with reported emissions (83%), an exact count from the full corpus, not an estimate.
How much CO2 does Coolidge Generating Station emit? ▼
Coolidge Generating Station reported 241K MT CO2e in 2023.
What share of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT does Coolidge Generating Station represent? ▼
Coolidge Generating Station accounts for 1.6% of SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT & POWER DISTRICT's reported GHGRP CO₂e (241K MT of 15.1M MT), ranking #6 of 7 facilities under that parent.
What is Coolidge Generating Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Coolidge 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 Coolidge Generating Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Coolidge Generating Station ranks #788 of 1,732 by latest reported CO₂e.
Is Coolidge Generating Station reducing emissions? ▼
Over 13 reporting years (2011–2023), Coolidge Generating Station's emissions have increased by 215.2%. This may reflect expanded operations or increased production.
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 (241K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AZ.