United States › Power plants › Battery storage › Texas
BATTERY STORAGECastor
Castor is a 200 MW under construction battery storage site in Brazoria County, Texas, operated by Engie North America.
Plant statusUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingTarget Dec 2026 (not yet reached)
- Closed (not yet reached)
Planned start of operation reported to EIA: Dec 2026.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| CASTR | Batteries | 200 MW | Under construction (up to 50%) |
Plant details
- Operator
- Engie North America
- Location
- Brazoria County, Texas
- Balancing authority
- ERCO
- Sector
- IPP Non-CHP
- Capacity
- Under construction: 200 MW
- EIA plant ID
- 65870
Location
29.1503, -95.6512
Nearby power plants
- Prospect StorageBattery storage · 9.9 MW · 0.1 mi
- TX23 Roughneck StorageBattery storage · 50.0 MW · 0.9 mi
- Bell Creek BESS LLCBattery storage · 201 MW · 1.3 mi
- Brazos River BESS LLCBattery storage · 180 MW · 1.8 mi
- Brazoria WestSolar farms · 200 MW · 2.9 mi
- Second Division SolarSolar farms, Battery storage · 130 MW · 5.6 mi
- WagyuSolar farms · 120 MW · 6.4 mi
- Long Point SolarSolar farms · 120 MW · 6.6 mi
- Byrd Ranch StorageBattery storage · 50.0 MW · 6.8 mi
- SweenyBattery storage · 9.9 MW · 6.9 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