95.5 MW Batteries (6 MW) + Petroleum Liquids (90 MW) operating in Kauai, HI
95.5 MW
Nameplate Capacity
12
Generators
units
Hybrid (2)
Technology
Batteries + Petroleum Liquids
1964
Operating Since
Coordinates
21.8996, -159.5850
County
Kauai, HI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Kauai Island Utility Cooperative | — | — |
| Owner(s) | Kauai Island Utility Cooperative | — | — |
| Status | Operating | — | — |
The Port Allen power plant, located in Kauai County, Hawaii, has a total capacity of 95.5 MW. The plant, which began operating in 1964, is owned and operated by the Kauai Island Utility Cooperative. It primarily runs on Distillate Fuel Oil (DFO). The facility incorporates 12 generators and is considered a hybrid plant due to its integration of both petroleum liquids and battery storage technologies.
In the most recent year with available data, the Port Allen plant generated 78,803 MWh of electricity, achieving a capacity factor of 9.4%. The plant is the third-largest in Hawaii out of 14 facilities and ranks 63rd nationally among 886 plants. Recent news coverage of the plant includes topics such as industry trends, grid operations, hazards, and regulatory matters.
Generated from EIA, GEM, and public data sources
NERC Region
—
Balancing Authority
—
Grid Voltage
57 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
6.3K MWh
Latest Month
78.8K MWh
Annual Generation
9.4%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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