HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION
KAILUA KONA, HI · HAWAII COUNTY · NAICS 221112
Data updated May 2026
HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,787 of 8,713 nationally, #8 of 29 in HI).
- National rank #1,787 of 8,713 GHGRP facilities
- #8 of 29 in HI
- #841 of 1,732 in Power Plants
- 4% of HAWAIIAN ELECTRIC INDUSTRIES parent CO₂e
- 2023 mix: 0.3% non-CO₂ (N₂O-led)
- -0.6% since 2011
HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
178,753 1787th of 8713 higher than 6,926 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% of HAWAIIAN ELECTRIC INDUSTRIES reported parent CO₂e (179K MT of 4.5M MT ; #4 of 11 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #841 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 179K 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%
- 178K MT
- CH₄
- 0.1%
- 181 MT
- N₂O
- 0.2%
- 431 MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 178,753 |
| 2022 | 212,884 |
| 2021 | 208,109 |
| 2020 | 272,744 |
| 2019 | 218,753 |
| 2018 | 241,738 |
| 2017 | 220,760 |
| 2016 | 213,781 |
| 2015 | 205,338 |
| 2014 | 210,674 |
| 2013 | 186,753 |
| 2012 | 154,729 |
| 2011 | 179,883 |
Facility insight: HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION
HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION (GHGRP ID 1001557) is a high-volume reporter at 179K MT CO₂e in 2023 from KAILUA KONA, HI (#1,787 of 8,713 nationally) under Power Plants (NAICS 221112).
Over 13 years (2011–2023), emissions stayed within a narrow band around 179K MT CO₂e (peak 273K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2020 at 273K MT CO2e; latest 2023 sits 34.5% below that peak (179K MT). The largest year-to-year move was 2020→2021 (-23.7%, 65K MT).
Frequently Asked Questions
Where does HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION ranks #1,787 of 8,713 reporting facilities by latest reported CO₂e, and #8 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 HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION? ▼
HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION's 179K MT CO₂e is higher than 6,926 of the 8,713 GHGRP facilities with reported emissions (79%), an exact count from the full corpus, not an estimate.
How much CO2 does HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION emit? ▼
HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION reported 179K MT CO2e in 2023.
What share of HAWAIIAN ELECTRIC INDUSTRIES does HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION represent? ▼
HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION accounts for 4% of HAWAIIAN ELECTRIC INDUSTRIES's reported GHGRP CO₂e (179K MT of 4.5M MT), ranking #4 of 11 facilities under that parent.
What is HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.3% of reported CO₂e at HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION, 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 HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION ranks #841 of 1,732 by latest reported CO₂e.
Is HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION reducing emissions? ▼
Over 13 reporting years (2011–2023), HAWAII ELECTRIC LIGHT CO (HELCO) - KEAHOLE GENERATING STATION's emissions have decreased by 0.6%. 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 (179K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside HI.