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66 MW Waste Oil operating in Hawaii, HI
66 MW
Nameplate Capacity
3
Generators
units
Petroleum Liquids
Technology
2000
Operating Since
Coordinates
20.0939, -155.4711
County
Hawaii, HI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hamakua Energy LP | — | — |
| Owner(s) | Hamakua Energy LP | — | — |
| Status | Operating | — | — |
Hamakua Energy Plant is a 66 MW power plant located in Hawaii County, Hawaii. The plant began operating in 2000 and is owned and operated by Hamakua Energy LP. The primary fuel source for the plant is waste oil (WO), and it utilizes petroleum liquids technology. The facility consists of 3 generators.
In the most recent year with available data, the plant generated 88,241 MWh of electricity, resulting in a capacity factor of 15.2%. Hamakua Energy Plant is ranked as the largest of 3 waste oil plants in the state of Hawaii, and 1 of 4 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
—
Market
—
NERC Region
—
Balancing Authority
6.3K MWh
Latest Month
88.2K MWh
Annual Generation
15.2%
Capacity Factor
CO₂ Intensity
965 lb/MWh
NOx
5 lb/MWh
SO₂
2013
$765/kW
Est. Construction Cost
Total estimated cost: $50.5M
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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Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.560 lb/MWh
CH₄
0.429 lb/MWh
N₂O
0.058 lb/MWh
Capacity Factor
46.2%
Annual Net Gen
267 GWh
CO₂eq
993 lb/MWh
Subregion
HICC Miscellaneous