KALAELOA COGENERATION PLANT
KAPOLEI, HI · HONOLULU COUNTY · NAICS 221112
Data updated May 2026
KALAELOA COGENERATION PLANT sits in the upper third of EPA GHGRP reporters by latest CO₂e (#673 of 8,713 nationally, #3 of 29 in HI).
- National rank #673 of 8,713 GHGRP facilities
- #3 of 29 in HI
- #475 of 1,732 in Power Plants
- 100% of KALAELOA PARTNERS parent CO₂e
- 2023 mix: 0.3% non-CO₂ (N₂O-led)
- -7.6% since 2011
KALAELOA COGENERATION PLANT vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
917,222 673rd of 8713 higher than 8,040 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 100% of KALAELOA PARTNERS reported parent CO₂e (917K MT of 917K MT ). Inside the EPA Power Plants sector it ranks #475 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 917K MT CO₂e reported for 2023, non-CO₂ gases are 0.3% , led by N₂O at 0.2% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.7%
- 914K MT
- CH₄
- 0.1%
- 910 MT
- N₂O
- 0.2%
- 2K MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 917,222 |
| 2022 | 878,816 |
| 2021 | 844,208 |
| 2020 | 789,265 |
| 2019 | 895,467 |
| 2018 | 883,892 |
| 2017 | 862,843 |
| 2016 | 846,224 |
| 2015 | 952,059 |
| 2014 | 915,443 |
| 2013 | 961,976 |
| 2012 | 913,639 |
| 2011 | 992,376 |
Facility insight: KALAELOA COGENERATION PLANT
KALAELOA COGENERATION PLANT (GHGRP ID 1006670) is a high-volume reporter at 917K MT CO₂e in 2023 from KAPOLEI, HI (#673 of 8,713 nationally) under Power Plants (NAICS 221112).
Over 13 years (2011–2023), emissions stayed within a narrow band around 917K MT CO₂e (peak 992K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 992K MT CO2e; latest 2023 sits 7.6% below that peak (917K MT). The largest year-to-year move was 2019→2020 (-11.9%, 106K MT).
Frequently Asked Questions
Where does KALAELOA COGENERATION PLANT rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, KALAELOA COGENERATION PLANT ranks #673 of 8,713 reporting facilities by latest reported CO₂e, and #3 of 29 facilities in HI (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than KALAELOA COGENERATION PLANT? ▼
KALAELOA COGENERATION PLANT's 917K MT CO₂e is higher than 8,040 of the 8,713 GHGRP facilities with reported emissions (92%), an exact count from the full corpus, not an estimate.
How much CO2 does KALAELOA COGENERATION PLANT emit? ▼
KALAELOA COGENERATION PLANT reported 917K MT CO2e in 2023.
What share of KALAELOA PARTNERS does KALAELOA COGENERATION PLANT represent? ▼
KALAELOA COGENERATION PLANT accounts for 100% of KALAELOA PARTNERS's reported GHGRP CO₂e (917K MT of 917K MT).
What is KALAELOA COGENERATION PLANT's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.3% of reported CO₂e at KALAELOA COGENERATION PLANT, with N₂O the larger non-CO₂ share at 0.2% (CO₂ 99.7%). Shares use the facility's GHGRP gas components for that year.
Where does KALAELOA COGENERATION PLANT rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, KALAELOA COGENERATION PLANT ranks #475 of 1,732 by latest reported CO₂e.
Is KALAELOA COGENERATION PLANT reducing emissions? ▼
Over 13 reporting years (2011–2023), KALAELOA COGENERATION PLANT's emissions have decreased by 7.6%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside HI for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside HI (917K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside HI.