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GAS POWER PLANTSMarathon Bay Area Cogen
Marathon Bay Area Cogen is a 114 MW operating gas power plant in Contra Costa County, California, operated by Tesoro Marketing & Refining Co. LLC (Martinez).
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| TG1 | Natural Gas Fired Combined Cycle | 40 MW | |
| TG2 | Natural Gas Fired Combined Cycle | 40 MW | |
| TG3 | Natural Gas Fired Combined Cycle | 34 MW |
Plant details
- Operator
- Tesoro Marketing & Refining Co. LLC (Martinez)
- Location
- Contra Costa County, California
- Balancing authority
- CISO
- Sector
- IPP CHP
- Capacity
- Operating: 114 MW
- First unit online
- Feb 1987
- EIA plant ID
- 10342
Location
38.0244, -122.0589
Nearby power plants
- Central SanSolar farms · 1.8 MW · 1.6 mi
- CCCSD Wastewater Treatment PlntGas power plants · 3.5 MW · 1.9 mi
- Martinez RefiningGas power plants, Other power plants · 100 MW · 2.9 mi
- Martinez Sulfuric Acid Regeneration PltOther power plants · 4.0 MW · 3.0 mi
- Valero Refinery Cogeneration Unit 1Gas power plants · 49.9 MW · 5.6 mi
- Lake HermanSolar farms · 5.0 MW · 6.7 mi
- Ameresco Keller CanyonBioenergy plants · 3.8 MW · 6.9 mi
- Diablo Energy StorageBattery storage · 200 MW · 8.6 mi
- Crockett Cogen ProjectGas power plants · 247 MW · 8.8 mi
- C&H Sugar PlantOther power plants · 8.0 MW · 9.0 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem