Tesoro Hawaii — Plant Summary
- EIA Plant ID
- 10093
- Capacity
- 20 MW
- Primary Fuel
- WO
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Honolulu, HI
- Operating Since
- 1982
- Generators
- 1
- Operator
- PAR Petroleum
- Parent Company
- —
- Annual Generation
- 158,734.52 MWh
- Capacity Factor
- 90.6%
- Balancing Authority
- No BA
- ISO/RTO
- —
- NERC Region
- —
Tesoro Hawaii
OperatingWaste Oil
Ranked #2 of 3 Waste Oil plants in HI#2 of 4 nationally
20 MW Waste Oil operating in Honolulu, HI — No BA
EIAWD
20 MW
Nameplate Capacity
1
Generators
unit
Petroleum Liquids
Technology
1982
Operating Since
Location
Coordinates
21.3032, -158.0914
County
Honolulu, HI
Nearby Plants
- Kalaeloa Cogen PlantResidual Oil299.4 MW · 0.5 km
- Campbell Industrial ParkDistillate Oil113 MW · 1.1 km
- Kalaeloa Solar TwoSolar5 MW · 1.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PAR Petroleum | — | — |
| Owner(s) | PAR Petroleum | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Tesoro Hawaii plant, located in Honolulu County, Hawaii, has a total capacity of 20 MW. The plant began operating in 1982 and is owned and operated by PAR Petroleum. It utilizes petroleum liquids as its primary fuel source. The plant consists of one generator.
In the most recent year with available data, the Tesoro Hawaii plant generated 158,735 MWh of electricity, achieving a capacity factor of 90.6%. The plant is ranked second out of three similar facilities in the state and second out of four nationally. The balancing authority for the plant is listed as "No BA".
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
No BA
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
13.7K MWh
Latest Month
158.7K MWh
Annual Generation
90.6%
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
Flash Flood Warning: Oahu in Honolulu, HI
Flash Flood Warning issued March 21 at 8:40AM HST until March 21 at 11:00AM HST by NWS Honolulu HI
NWS Honolulu HI (other)
NWS Honolulu HI·5 days ago
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 (other)
NWS Honolulu HI·5 days ago
Industry·technology
Decarbonizing Paradise
Hawaii's only refinery has expanded its product portfolio to include renewable diesel and sustainable aviation fuel, providing local jobs...
Hawaii (other)
Biomass Magazine·5 months ago
Industry·corporate
Jobs will be lost as Hawaii goes from 2 refineries to 1
Jobs will be lost, but the number is uncertain, as a result of Island Energy Services deciding to get out of the refinery business.
Hawaii (other)Island Energy Services (other)
Hawaii News Now·7 years ago
Last updated 2026-03-21
View all 10 articles