Sundance Power Plant
CASA GRANDE, AZ · Pinal · NAICS 221112
Data updated May 2026
Sundance Power Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,366 of 8,713 nationally, #25 of 102 in AZ).
- National rank #1,366 of 8,713 GHGRP facilities
- #25 of 102 in AZ
- #743 of 1,732 in Power Plants
- 4.8% of PINNACLE WEST CAPITAL parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +300.9% since 2011
Sundance Power Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
287,951 1366th of 8713 higher than 7,347 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 4.8% of PINNACLE WEST CAPITAL reported parent CO₂e (288K MT of 6.1M MT ; #5 of 7 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #743 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 288K 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%
- 288K MT
- CH₄
- 0%
- 134 MT
- N₂O
- 0.1%
- 159 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 287,951 |
| 2022 | 220,693 |
| 2021 | 206,864 |
| 2020 | 252,848 |
| 2019 | 184,563 |
| 2018 | 229,367 |
| 2017 | 242,421 |
| 2016 | 148,466 |
| 2015 | 34,698 |
| 2014 | 33,433 |
| 2013 | 79,602 |
| 2012 | 81,726 |
| 2011 | 71,821 |
Facility insight: Sundance Power Plant
Sundance Power Plant (GHGRP ID 1000237) is a high-volume reporter at 288K MT CO₂e in 2023 from CASA GRANDE, AZ (#1,366 of 8,713 nationally) under Power Plants (NAICS 221112).
From 2011 to 2023, reported CO₂e rose 300.9% (peak 288K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Frequently Asked Questions
Where does Sundance Power Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Sundance Power Plant ranks #1,366 of 8,713 reporting facilities by latest reported CO₂e, and #25 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 Sundance Power Plant? ▼
Sundance Power Plant's 288K MT CO₂e is higher than 7,347 of the 8,713 GHGRP facilities with reported emissions (84%), an exact count from the full corpus, not an estimate.
How much CO2 does Sundance Power Plant emit? ▼
Sundance Power Plant reported 288K MT CO2e in 2023.
What share of PINNACLE WEST CAPITAL does Sundance Power Plant represent? ▼
Sundance Power Plant accounts for 4.8% of PINNACLE WEST CAPITAL's reported GHGRP CO₂e (288K MT of 6.1M MT), ranking #5 of 7 facilities under that parent.
What is Sundance Power Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Sundance 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 Sundance Power Plant rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Sundance Power Plant ranks #743 of 1,732 by latest reported CO₂e.
Is Sundance Power Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Sundance Power Plant's emissions have increased by 300.9%. 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 (288K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AZ.