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89.1 MW Distillate Oil operating in Hawaii, HI
89.1 MW
Nameplate Capacity
7
Generators
units
Petroleum Liquids
Technology
1984
Operating Since
Coordinates
19.7317, -156.0283
County
Hawaii, HI
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hawaii Electric Light Co Inc | Hawaii Electric Light | — |
| Owner(s) | Hawaii Electric Light Co Inc | Hawaiian Electric Industries | — |
| Status | Operating | — | — |
The Keahole power plant, located in Hawaii County, Hawaii, has a total capacity of 89.1 MW across 7 generators. The plant began operating in 1984 and is primarily fueled by Distillate Fuel Oil (DFO), utilizing petroleum liquid technologies. It is owned by Hawaiian Electric Industries and operated by Hawaii Electric Light Co Inc. Keahole ranks as the 4th largest power plant in Hawaii out of 14, and 68th nationally out of 886 plants.
In the most recent year with available data, Keahole generated 319,515 MWh of electricity, achieving a capacity factor of 41.0%. The plant operates within the balancing authority of its operator, Hawaii Electric Light Co Inc, though specific ISO/RTO market details are not available. Recent news coverage includes 3 articles, with 2 focused on industry topics and 1 on hazards.
Generated from EIA, GEM, and public data sources
Grid Region
—
Market
—
NERC Region
—
Balancing Authority
25.0K MWh
Latest Month
319.5K MWh
Annual Generation
41.0%
Capacity Factor
CO₂ Intensity
1628 lb/MWh
NOx
9 lb/MWh
SO₂
2013
$765/kW
Est. Construction Cost
Total estimated cost: $68.1M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
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ask pi about Keahole—
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
5 lb/MWh
CH₄
0.066 lb/MWh
N₂O
0.013 lb/MWh
Capacity Factor
31.4%
Annual Net Gen
245 GWh
CO₂eq
1633 lb/MWh
Subregion
HICC Miscellaneous