MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION
KIHEI, HI · MAUI COUNTY · NAICS 221112
Data updated May 2026
MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,042 of 8,713 nationally, #6 of 29 in HI).
- National rank #1,042 of 8,713 GHGRP facilities
- #6 of 29 in HI
- #639 of 1,732 in Power Plants
- 10.3% of HAWAIIAN ELECTRIC INDUSTRIES parent CO₂e
- 2023 mix: 0.3% non-CO₂ (N₂O-led)
- -15.4% since 2011
MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
464,012 1042nd of 8713 higher than 7,671 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 10.3% of HAWAIIAN ELECTRIC INDUSTRIES reported parent CO₂e (464K MT of 4.5M MT ; #3 of 11 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #639 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 464K 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%
- 462K MT
- CH₄
- 0.1%
- 469 MT
- N₂O
- 0.2%
- 1K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 464,012 |
| 2022 | 464,965 |
| 2021 | 433,679 |
| 2020 | 384,827 |
| 2019 | 487,892 |
| 2018 | 465,239 |
| 2017 | 476,767 |
| 2016 | 477,688 |
| 2015 | 490,195 |
| 2014 | 462,576 |
| 2013 | 492,337 |
| 2012 | 521,855 |
| 2011 | 548,479 |
Facility insight: MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION
MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION (GHGRP ID 1001438) is a high-volume reporter at 464K MT CO₂e in 2023 from KIHEI, HI (#1,042 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 15.4%; peak load was 548K MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 548K MT CO2e; latest 2023 sits 15.4% below that peak (464K MT). The largest year-to-year move was 2019→2020 (-21.1%, 103K MT).
Frequently Asked Questions
Where does MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION ranks #1,042 of 8,713 reporting facilities by latest reported CO₂e, and #6 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 MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION? ▼
MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION's 464K MT CO₂e is higher than 7,671 of the 8,713 GHGRP facilities with reported emissions (88%), an exact count from the full corpus, not an estimate.
How much CO2 does MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION emit? ▼
MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION reported 464K MT CO2e in 2023.
What share of HAWAIIAN ELECTRIC INDUSTRIES does MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION represent? ▼
MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION accounts for 10.3% of HAWAIIAN ELECTRIC INDUSTRIES's reported GHGRP CO₂e (464K MT of 4.5M MT), ranking #3 of 11 facilities under that parent.
What is MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.3% of reported CO₂e at MAUI ELECTRIC CO (MECO) - MAALAEA 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 MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION ranks #639 of 1,732 by latest reported CO₂e.
Is MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION reducing emissions? ▼
Over 13 reporting years (2011–2023), MAUI ELECTRIC CO (MECO) - MAALAEA GENERATING STATION's emissions have decreased by 15.4%. This suggests meaningful progress in emissions reduction.
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 (464K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside HI.