APS West Phoenix Power Plant
PHOENIX, AZ · Maricopa · NAICS 221112
Data updated May 2026
APS West Phoenix Power Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#457 of 8,713 nationally, #11 of 102 in AZ).
- National rank #457 of 8,713 GHGRP facilities
- #11 of 102 in AZ
- #347 of 1,732 in Power Plants
- 23.4% of PINNACLE WEST CAPITAL parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +81.4% since 2011
APS West Phoenix Power Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,413,917 457th of 8713 higher than 8,256 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 23.4% of PINNACLE WEST CAPITAL reported parent CO₂e (1.4M MT of 6.1M MT ; #3 of 7 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #347 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 1.4M 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%
- 1.4M MT
- CH₄
- 0%
- 658 MT
- N₂O
- 0.1%
- 784 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,413,917 |
| 2022 | 1,052,153 |
| 2021 | 1,287,565 |
| 2020 | 1,659,120 |
| 2019 | 1,419,156 |
| 2018 | 1,391,552 |
| 2017 | 1,278,457 |
| 2016 | 1,200,640 |
| 2015 | 854,172 |
| 2014 | 748,285 |
| 2013 | 784,934 |
| 2012 | 986,294 |
| 2011 | 779,316 |
Facility insight: APS West Phoenix Power Plant
APS West Phoenix Power Plant (GHGRP ID 1001422) is a high-volume reporter at 1.4M MT CO₂e in 2023 from PHOENIX, AZ (#457 of 8,713 nationally) under Power Plants (NAICS 221112).
From 2011 to 2023, reported CO₂e rose 81.4% (peak 1.7M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2020 at 1.7M MT CO2e; latest 2023 sits 14.8% below that peak (1.4M MT). The largest year-to-year move was 2020→2021 (-22.4%, 372K MT).
Frequently Asked Questions
Where does APS West Phoenix Power Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, APS West Phoenix Power Plant ranks #457 of 8,713 reporting facilities by latest reported CO₂e, and #11 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 APS West Phoenix Power Plant? ▼
APS West Phoenix Power Plant's 1.4M MT CO₂e is higher than 8,256 of the 8,713 GHGRP facilities with reported emissions (95%), an exact count from the full corpus, not an estimate.
How much CO2 does APS West Phoenix Power Plant emit? ▼
APS West Phoenix Power Plant reported 1.4M MT CO2e in 2023.
What share of PINNACLE WEST CAPITAL does APS West Phoenix Power Plant represent? ▼
APS West Phoenix Power Plant accounts for 23.4% of PINNACLE WEST CAPITAL's reported GHGRP CO₂e (1.4M MT of 6.1M MT), ranking #3 of 7 facilities under that parent.
What is APS West Phoenix Power Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at APS West Phoenix Power Plant, 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 APS West Phoenix Power Plant rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, APS West Phoenix Power Plant ranks #347 of 1,732 by latest reported CO₂e.
Is APS West Phoenix Power Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), APS West Phoenix Power Plant's emissions have increased by 81.4%. 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 (1.4M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AZ.