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HYDROELECTRIC PLANTSWaiau Hydro
Waiau Hydro is a 1.0 MW operating hydroelectric plant in Hawaii County, Hawaii, operated by Hawaii Electric Light Co Inc.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 0.7 MW | |
| 2 | Conventional Hydroelectric | 0.3 MW |
Plant details
- Operator
- Hawaii Electric Light Co Inc
- Location
- Hawaii County, Hawaii
- Sector
- Electric Utility
- Capacity
- Operating: 1.0 MW
- First unit online
- Dec 1921
- EIA plant ID
- 774
Location
19.7203, -155.1189
Nearby power plants
- PuueoHydroelectric plants · 3.1 MW · 1.9 mi
- Wailuku River HydroelectricHydroelectric plants · 10.4 MW · 2.0 mi
- KanoelehuaOil-fired power plants · 21.0 MW · 3.8 mi
- W H HillOil-fired power plants · 37.1 MW · 3.9 mi
- PunaOil-fired power plants · 39.1 MW · 8.4 mi
- Mauna Loa Macadamia NutSolar farms, Battery storage · 1.3 MW · 8.4 mi
- Hu Honua Bioenergy FacilityBioenergy plants · 36.0 MW · 8.8 mi
- Puna Geothermal Venture IGeothermal plants · 47.5 MW · 22.4 mi
- Hamakua Energy PlantOil-fired power plants, Battery storage · 73.5 MW · 34.5 mi
- Hale Kuawehi Solar HybridSolar farms, Battery storage · 74.0 MW · 39.4 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