HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION
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PEARL CITY, HI · HONOLULU COUNTY · NAICS 221112
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,105,796 |
| 2022 | 791,957 |
| 2021 | 751,162 |
| 2020 | 630,457 |
| 2019 | 857,248 |
| 2018 | 849,126 |
| 2017 | 813,388 |
| 2016 | 798,384 |
| 2015 | 1,013,614 |
| 2014 | 882,924 |
| 2013 | 861,901 |
| 2012 | 862,826 |
| 2011 | 876,051 |
Facility Insight: HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION
HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION (EPA GHGRP Facility ID 1007845) reported 1.1M metric tons of CO2-equivalent in 2023, operating in PEARL CITY, HI within HONOLULU COUNTY. The site is classified under Power Plants with NAICS code 221112.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions rose by 26.2%, with the peak observed year showing up to 1.1M MT CO2e.
Emissions Analysis
HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION is a major emissions source, reporting 1.1M metric tons of CO2 equivalent. Facilities of this scale typically include power plants, refineries, or large manufacturing operations.
Frequently Asked Questions
How much CO2 does HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION emit? ▼
HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION reported 1.1M MT CO2e in 2023.
Is HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION reducing emissions? ▼
Over 13 reporting years (2011–2023), HAWAIIAN ELECTRIC COMPANY (HECO) - WAIAU GENERATING STATION's emissions have increased by 26.2%. This may reflect expanded operations or increased production.