Marathon Bay Area Cogen
A 113.5 MW natural gas power plant in Contra Costa, California, owned by Tesoro Marketing & Refining Co. LLC (Martinez), commissioned in 1987.
Facility nameplate · EIA Plant ID 10342Natural Gas
Nameplate capacity
113.5 MW
Primary fuel
Natural Gas
Commissioned
1987
Owner
Tesoro Marketing & Refining Co. LLC (Martinez)
Location
Contra Costa, California
Coordinates
Generation (2024)
689.8 GWh
Status
Operating
Technology
Natural Gas Fired Combined Cycle
Units
3
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 742.4 | |
| 2016 | 752.4 | |
| 2017 | 742.4 | |
| 2018 | 673.3 | |
| 2019 | 691.8 | |
| 2020 | 581.9 | |
| 2021 | 519.9 | |
| 2022 | 479.5 | |
| 2023 | 624.2 | |
| 2024 | 689.8 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| CCCSD Wastewater Treatment Plnt | Natural Gas | 3.5 MW | ~3 km |
| Martinez Refining | Natural Gas | 100 MW | ~5 km |
| Martinez Sulfuric Acid Regeneration Plt | Other | 4 MW | ~5 km |
| Valero Refinery Cogeneration Unit 1 | Natural Gas | 49.9 MW | ~9 km |
| Lake Herman | Solar | 5 MW | ~11 km |
| Ameresco Keller Canyon | Waste | 3.8 MW | ~11 km |
See all natural gas plants in California or browse all plants in California.