Hawaii Electric Light Co Inc operates 8 power plants across 2 countries, with a combined installed capacity of 198 MW. Its plants with measured data emit a combined 115,355 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Keahole | Oil | United States of America | 89 | 51,515 |
| Puna | Oil | United States of America | 39 | 25,680 |
| W H Hill | Oil | United States of America | 37 | 24,367 |
| Kanoelehua | Oil | United States of America | 21 | 13,793 |
| Waimea | Oil | United States of America | 8 | — |
| Puueo | Hydro | United States of America | 3 | — |
| Waiau Hydro | Hydro | United States of America | 1 | — |
| Shipman | Oil | United States | — | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
