Keahole — Plant Summary
- EIA Plant ID
- 8083
- Capacity
- 89.1 MW
- Primary Fuel
- Oil
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Hawaii, HI
- Operating Since
- 1984
- Generators
- 7
- Operator
- Hawaii Electric Light Co Inc
- Parent Company
- Hawaiian Electric Industries
- Annual Generation
- 319,515 MWh
- Capacity Factor
- 41.0%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Keahole
OperatingDistillate Oil
Ranked #4 of 12 Distillate Oil plants in HI#42 of 827 nationally
89.1 MW Distillate Oil operating in Hawaii, HI
EIAWD
89.1 MW
Nameplate Capacity
7
Generators
units
Petroleum Liquids
Technology
1984
Operating Since
Location
Coordinates
19.7317, -156.0283
County
Hawaii, HI
Ownership & Operator
| 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 | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
25.0K MWh
Latest Month
319.5K MWh
Annual Generation
41.0%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (4)Beta
Hazards·flooding
Flood Watch: Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; M
Flood Watch issued March 21 at 3:53AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
Flood Watch (hazard)
NWS Honolulu HI·5 days ago
Industry·technology
Hawaiian Electric Proposes Use of Natural Gas
HECO proposes using natural gas with modernized generation for a lower cost, cleaner path to 100% renewable energy.
Hawaiian Electric (operator)
Maui Now·9 years ago
General
Sopogy’s Demise is a Huge Victory for Honest Engineering and the Taxpayer
BY PANOS PREVEDOUROS PHD – Along with a trio of highly capable mechanical and systems engineers, I spent dozens of hours poring over the...
Hawaii Reporter·11 years ago
Industry·technology
Holaniku at Keahole Point Micro CSP Thermal Plant
The world's first micro-scaled concentrated solar power (CSP) plant at the National Energy Laboratory of Hawaii Authority (NELHA) in the Kona desert was...
National Energy Laboratory of Hawaii Authority (other)
Power Technology·15 years ago
Last updated 2026-03-21
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