United States › Power plants › Oil-fired power plants › Hawaii
OIL-FIRED POWER PLANTSWaiau
Waiau is a 375 MW operating oil-fired power plant in Honolulu County, Hawaii, operated by Hawaiian Electric Co Inc.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| W7 | Petroleum Liquids | 82 MW | |
| W8 | Petroleum Liquids | 82 MW | |
| W5 | Petroleum Liquids | 54 MW | |
| W6 | Petroleum Liquids | 54 MW | |
| W9 | Petroleum Liquids | 51 MW | |
| W10 | Petroleum Liquids | 51 MW | |
| W3 | Petroleum Liquids | 50 MW | Retired |
| W4 | Petroleum Liquids | 50 MW | Retired |
Plant details
- Operator
- Hawaiian Electric Co Inc
- Location
- Honolulu County, Hawaii
- Sector
- Electric Utility
- Capacity
- Operating: 375 MW
Retired: 100 MW - First unit online
- Dec 1947
- EIA plant ID
- 766
Location
21.3890, -157.9615
Nearby power plants
- Pearl City Peninsula Solar ParkSolar farms · 1.0 MW · 1.0 mi
- Waiawa Solar Power HybridSolar farms, Battery storage · 72.0 MW · 2.2 mi
- Waipio PeninsulaSolar farms · 11.0 MW · 2.3 mi
- Puuloa EnergyBioenergy plants · 103 MW · 2.9 mi
- AES Waiawa Phase 2 SolarSolar farms, Battery storage · 60.0 MW · 3.0 mi
- Puuloa SolarSolar farms, Battery storage · 12.4 MW · 3.4 mi
- HNL Emergency Power FacilityBioenergy plants · 10.0 MW · 4.5 mi
- Mililani South Solar FarmSolar farms, Battery storage · 78.0 MW · 4.6 mi
- Waipio SolarSolar farms · 45.9 MW · 4.8 mi
- West Loch Solar OneSolar farms · 20.0 MW · 4.8 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem