37th largest plant in Hawaii · 4596th nationally
Tesoro Hawaii is a oil power plant in Hawaii with a nameplate capacity of 20.0 MW. It generates roughly 160.9k MWh per year — enough to power about 15,321 average U.S. homes.
Its capacity factor of 92% means it runs nearly around-the-clock as baseload generation. At 891 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
| Plant Name | Tesoro Hawaii |
|---|---|
| Operator | Par Petroleum |
| City | Kapolei |
| County | Honolulu County |
| State | Hawaii |
| ZIP | 96707 |
| Coordinates | 21.30323, -158.09144 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN1 | Petroleum Liquids | WO | 20.0 MW | Operating | 1982 |
| CO₂ | 71.7k metric tons |
|---|---|
| SO₂ | 49 metric tons |
| NOₓ | 338 metric tons |
| CO₂ Rate | 891 lb/MWh |
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
| Balancing Authority | No Ba |
|---|
Oil-fired plants typically run only during peak demand or grid emergencies because oil is expensive compared to gas and coal. They have the highest CO₂ emissions per MWh of any common generation technology.