Kapaia Power Station — Plant Summary
- EIA Plant ID
- 56258
- Capacity
- 39.1 MW
- Primary Fuel
- Oil
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Kauai, HI
- Operating Since
- 2002
- Generators
- 1
- Operator
- Kauai Island Utility Cooperative
- Parent Company
- —
- Annual Generation
- 190,113 MWh
- Capacity Factor
- 55.4%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Kapaia Power Station
OperatingDistillate Oil
Ranked #6 of 12 Distillate Oil plants in HI#91 of 827 nationally
39.1 MW Distillate Oil operating in Kauai, HI
EIAWD
39.1 MW
Nameplate Capacity
1
Generators
unit
Petroleum Liquids
Technology
2002
Operating Since
Location
Coordinates
40.8701, -73.8245
County
Kauai, HI
Nearby Plants
- RiverbayNatural Gas43.5 MW · 0.0 km
- GuntherBESS3 MW · 1.1 km
- Jacobi Medical CenterDistillate Oil9.1 MW · 2.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Kauai Island Utility Cooperative | — | — |
| Owner(s) | Kauai Island Utility Cooperative | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Kapaia Power Station is a 39.1 MW petroleum-fueled power plant located in Kauai County, Hawaii. The plant began operating in 2002 and has one generator utilizing petroleum liquids technology. It is owned and operated by the Kauai Island Utility Cooperative. Kapaia Power Station ranks as the 6th largest power plant in Hawaii out of 14, and 123rd nationally out of 886 plants.
In the most recent year with available data, Kapaia Power Station generated 190,113 MWh of electricity, achieving a capacity factor of 55.4%. The plant's operation and impact have been noted in the news, with 10 articles covering topics such as industry trends, hazards, and grid-related matters.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
57 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
Generation
18.6K MWh
Latest Month
190.1K MWh
Annual Generation
55.4%
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 (10)Beta
Hazards·flooding
Flood Watch: Niihau; Kauai Southwest; Kauai Mountains; Kauai North; Kauai East; Kauai South
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
Grid·technology
Getting the Grid to Net Zero
An emerging technology, grid-forming inverters, are letting utilities install more renewable energy facilities, such as solar photovoltaics...
IEEE Spectrum·1 years ago
Industry·corporate
Kauai became a clean energy leader. Its secret? A publicly owned grid
Making the island's utility a cooperative resulted in cheaper and cleaner power. It could hold lessons for communities around the country debating local...
Canary Media·2 years ago
Industry·other
Kauai’s electric utility gets its first shipment of locally-produced biodiesel
Kauai's electric utility company received its first shipment of locally-produced biodiesel fuel for its largest power generator Wednesday.
Kauai’s electric utility (buyer)
Hawaii News Now·2 years ago
Last updated 2026-03-21
View all 10 articles