TRI Reporter
HAWAIIAN ELECTRIC CO INC SCHOFIELD GENERATING STATION
Quick Summary
- •Released 243 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
FOOTE AVE
WAHIAWA, HI 96786
View on map ↗ - County
- HONOLULU County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Total Penalties
- $0
- Registry ID
- 110070551029
How This Compares
#27
of 36 TRI reporters in HI
#498
of 584 TRI reporters in Utilities
Ranked by most recent year's total TRI releases.
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
Emissions Trend (2018–2024)
+50% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2018 | 162 | — |
| 2019 | 127 | -21% |
| 2020 | 103 | -19% |
| 2021 | 88 | -15% |
| 2022 | 61 | -31% |
| 2023 | 85 | +40% |
| 2024 | 243 | +186% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 214 | 214 | — | — | — | |
| Naphthalene | 28 | 28 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 58 | 58 | — | — | — | |
| Naphthalene | 26 | 26 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 42 | 42 | — | — | — | |
| Naphthalene | 18 | 18 | — | — | 15 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 61 | 61 | — | — | — | |
| Naphthalene | 26 | 26 | — | — | 15 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 71 | 71 | — | — | — | |
| Naphthalene | 31 | 31 | — | — | 9 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 127 | 127 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 111 | 111 | — | — | — | |
| Naphthalene | 49 | 49 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|
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