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609.7 MW Residual Oil operating in Honolulu, HI
609.7 MW
Nameplate Capacity
6
Generators
units
Petroleum Liquids
Technology
1963
Operating Since
Coordinates
21.3564, -158.1289
County
Honolulu, HI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hawaiian Electric Co Inc | Hawaiian Electric Company | — |
| Owner(s) | Hawaiian Electric Co Inc | Hawaiian Electric Industries | — |
| Status | Operating | — | — |
The Kahe Power Plant is located in Honolulu County, Hawaii. It is owned by Hawaiian Electric Industries and operated by Hawaiian Electric Co. Inc. The plant's primary fuel source is residual fuel oil (RFO), and it utilizes petroleum liquid technologies for power generation. With a total capacity of 609.7 MW across six generators, Kahe began operating in 1963.
Kahe is a significant power producer in Hawaii, ranking as the largest of three RFO plants in the state. In the most recent year with available data, the plant generated 2,809,367 MWh of electricity, achieving a capacity factor of 52.6%. The plant operates within the Hawaiian Electric balancing authority area, but is not part of an organized market like an ISO or RTO.
Generated from EIA, GEM, and public data sources
Grid Region
—
Market
—
NERC Region
—
Balancing Authority
228.2K MWh
Latest Month
2.8M MWh
Annual Generation
52.6%
Capacity Factor
CO₂ Intensity
1764 lb/MWh
NOx
3 lb/MWh
SO₂
2013
$765/kW
Est. Construction Cost
Total estimated cost: $466.2M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-14
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Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
5 lb/MWh
CH₄
0.071 lb/MWh
N₂O
0.014 lb/MWh
Capacity Factor
47.7%
Annual Net Gen
2550 GWh
CO₂eq
1769 lb/MWh
Subregion
HICC Oahu