Hamakua Energy Plant — Plant Summary
- EIA Plant ID
- 55369
- Capacity
- 66 MW
- Primary Fuel
- WO
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Hawaii, HI
- Operating Since
- 2000
- Generators
- 3
- Operator
- Hamakua Energy LP
- Parent Company
- —
- Annual Generation
- 88,241 MWh
- Capacity Factor
- 15.2%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Hamakua Energy Plant
OperatingWaste Oil
Ranked #1 of 3 Waste Oil plants in HI#1 of 4 nationally
66 MW Waste Oil operating in Hawaii, HI
EIAWD
66 MW
Nameplate Capacity
3
Generators
units
Petroleum Liquids
Technology
2000
Operating Since
Location
Coordinates
20.0939, -155.4711
County
Hawaii, HI
Nearby Plants
- WaimeaDistillate Oil7.5 MW · 24.7 km
- Hale Kuawehi Solar HybridBESS60 MW · 27.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hamakua Energy LP | — | — |
| Owner(s) | Hamakua Energy LP | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
6.3K MWh
Latest Month
88.2K MWh
Annual Generation
15.2%
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: 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
NWS Honolulu HI·5 days ago
Deals·m and a
HEI sells Hawaii Island power plant to Alabama-based company
Hamakua Energy was owned by Pacific Current, which is a wholly owned subsidiary of HEI that invests in clean energy and infrastructure projects.
HEI (seller)Hawaiian Electric Industries (seller)
The Business Journals·1 years ago
Deals·m and a
Hawaiian Electric Industries sells Big Island power plant
The parent company of Hawaiian Electric no longer owns a Hawaii island power plant that had major operational problems in 2024 and was a...
Hawaiian Electric Industries (seller)
Honolulu Star-Advertiser·1 years ago
Deals·m and a
HEI divests Pacific Current’s power plant to Harbert in Hawaiʻi
Hawaiian Electric Industries (HEI), the parent organisation of Pacific Current, has sold Pacific Current's 60MW Hamakua energy plant in Hawaiʻi to a subsidiary...
HEI (seller)Hawaiian Electric Industries (seller)
Power Technology·1 years ago
Last updated 2026-03-21
View all 10 articles