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SOLAR FARMS · BATTERY STORAGERE Tranquillity
RE Tranquillity is a 277 MW operating solar and battery storage plant in Fresno County, California, operated by Southern Power Co. Its batteries store up to 288 MWh.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| TQ | Solar Photovoltaic | 205 MW | |
| BESS1 | Batteries | 37 MW 128 MWh |
|
| BESS2 | Batteries | 35 MW 160 MWh |
Plant details
- Operator
- Southern Power Co
- Location
- Fresno County, California
- Balancing authority
- CISO
- Sector
- IPP Non-CHP
- Capacity
- Operating: 277 MW
- First unit online
- Jul 2016
- EIA plant ID
- 59939
Location
36.5814, -120.4045
Nearby power plants
- Luna ValleySolar farms · 200 MW · 0.8 mi
- Great Valley Solar Portfolio Holdings, LSolar farms · 203 MW · 1.4 mi
- Scarlet II HybridSolar farms, Battery storage · 350 MW · 2.2 mi
- Scarlet Solar (CA)Solar farms, Battery storage · 240 MW · 2.6 mi
- EDPR CA Solar Park VI LLC (CA) HybridSolar farms, Battery storage · 241 MW · 3.4 mi
- EDPR Scarlet IIIBattery storage · 70.0 MW · 3.5 mi
- Aspiration GSolar farms · 9.0 MW · 3.5 mi
- Giffen Solar ParkSolar farms · 20.0 MW · 5.5 mi
- GiffenSolar farms · 10.0 MW · 6.0 mi
- RE Adams East, LLCSolar farms · 19.0 MW · 6.8 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