Tesoro Hawaii
Oil power plant in Honolulu County, Hawaii. 20 MW of nameplate capacity across 1 generator, operated by PAR Petroleum.
Also known as Tesoro Hawaii Power Station · EIA plant 10093
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 20 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 1982First generator online
- Operator
- PAR PetroleumEIA operator ID 58553
- Grid
- NABalancing authority NA
- Price nodes
- None linkedNo verified ISO node
- Location
- Honolulu County, HI21.3032, −158.0914
- EIA plant ID
- 10093EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tesoro Hawaii produces
Free · EIA-923Net generation, 2025
159 GWh
158,735 MWh, final
Capacity factor, 2025
90.6%
2024: 91.7%
January to July 2026
72.4 GWh
Provisional
Range, 2015 to 2025
146.1–166.2
GWh a year. Low 2016, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 130,939 | Not reported | 12 of 12 |
| 2002 | 156,170 | Not reported | 12 of 12 |
| 2003 | 162,370 | Not reported | 12 of 12 |
| 2004 | 149,421 | Not reported | 12 of 12 |
| 2005 | 148,862 | Not reported | 12 of 12 |
| 2006 | 150,283 | Not reported | 12 of 12 |
| 2007 | 153,882 | Not reported | 12 of 12 |
| 2008 | 11,359 | Not reported | 1 of 12 |
| 2009 | 135,583 | Not reported | 12 of 12 |
| 2010 | 128,870 | 73.6% | 12 of 12 |
| 2011 | 114,337 | Not reported | 12 of 12 |
| 2012 | 137,004 | 78.0% | 12 of 12 |
| 2013 | 91,450 | 52.2% | 12 of 12 |
| 2014 | 147,088 | 84.0% | 12 of 12 |
| 2015 | 149,529 | 85.3% | 12 of 12 |
| 2016 | 146,095 | 83.2% | 12 of 12 |
| 2017 | 156,521 | 89.3% | 12 of 12 |
| 2018 | 153,479 | 87.6% | 12 of 12 |
| 2019 | 166,180 | 94.9% | 12 of 12 |
| 2020 | 158,519 | 90.2% | 12 of 12 |
| 2021 | 154,152 | 88.0% | 12 of 12 |
| 2022 | 156,218 | 89.2% | 12 of 12 |
| 2023 | 160,880 | 91.8% | 12 of 12 |
| 2024 | 161,088 | 91.7% | 12 of 12 |
| 2025 | 158,735 | 90.6% | 12 of 12 |
| 2026 (provisional, partial year) | 72,403 | 71.2% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Petroleum Liquids | 20.0 | December 1982 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists PAR Petroleum as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Tesoro Hawaii
More plants operated by PAR Petroleum
Questions about Tesoro Hawaii
How much power does Tesoro Hawaii produce?
Tesoro Hawaii reported 158,735 MWh (159 GWh) of net generation in 2025, a 90.6% capacity factor on 20 MW of nameplate capacity. From January to July 2026 it reported 72.4 GWh, which is provisional.
Where is Tesoro Hawaii?
Tesoro Hawaii is in Honolulu County, Hawaii, at 21.3032, −158.0914. It is in the No BA balancing area (NA).
Who operates Tesoro Hawaii?
EIA-860M for August 2026 lists PAR Petroleum as the operator (EIA operator ID 58553). The operator is not always the owner.
When did Tesoro Hawaii start operating?
Its first generator began operating in December 1982, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page