Kahe
Kahe is an oil-fired plant in Honolulu County, Hawaii, operated by Hawaiian Electric Co Inc. No other power plant in Hawaii has more nameplate capacity; the state has 76 in all. Among the 857 oil-fired plants in the country it is the ninth-largest. Its biggest unit, rated at 135 MW, is the second-largest single generator in Hawaii.
Nameplate capacity, 2025
610 MW
582 MW net summer capacity
6 operable units
- Oil-fired610 MW100%
Unit by unit, 1963 to 2025
operating in 2025bar height follows unit size
Unit K1 Oil-fired, 81.6 MW, 1963
Unit K2 Oil-fired, 81.6 MW, 1964
Unit K3 Oil-fired, 85.8 MW, 1970
Unit K4 Oil-fired, 90.9 MW, 1972
Unit K5 Oil-fired, 135 MW, 1974
Unit K6 Oil-fired, 135 MW, 1981
Among Hawaii’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Kahethis plant
- 2Waiau375 MW
- 3Kalaeloa Cogen Plant299 MW
Other rankings
- All US power plants
- 589th of 14,286
- Oil-fired plants in Hawaii
- 1st of 19
- Plants run by Hawaiian Electric Co Inc
- 1st of 6
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| K1 | Oil-fired | 81.6 MW | 77.9 MW | 1963 | Operating |
| K2 | Oil-fired | 81.6 MW | 78.1 MW | 1964 | Operating |
| K3 | Oil-fired | 85.8 MW | 82.1 MW | 1970 | Operating |
| K4 | Oil-fired | 90.9 MW | 87.2 MW | 1972 | Operating |
| K5 | Oil-fired | 135 MW | 128 MW | 1974 | Operating |
| K6 | Oil-fired | 135 MW | 129 MW | 1981 | Operating |
Grid and site
- Highest grid connection voltage
- 138 kV
- Water source
- Pacific Ocean
- Nearest town on record
- Kapolei
- Operator type
- Utility
- Coordinates
- 21.356°N, 158.129°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Kapolei Energy Storage | Battery storage | 185 MW | 2.5 mi southeast |
| Kapolei Solar Energy Park | Solar | 1 MW | 2.5 mi south |
| Hawaii Cogen | Oil and petroleum | 12.2 MW | 3.2 mi south |
| Kalaeloa Solar Two | Solar | 5 MW | 3.7 mi southeast |
| Aloha Solar Energy Fund 1 PK1 | Solar | 5 MW | 3.8 mi northwest |
| Campbell Industrial Park | Oil and petroleum | 113 MW | 4.1 mi southeast |
| Kalaeloa Cogen Plant | Oil and petroleum | 299 MW | 4.3 mi southeast |
| H Power | Biomass and waste | 100 MW | 4.4 mi southeast |