United States › Power plants › Battery storage › California
BATTERY STORAGEWestminster Reliability Project, LLC
Westminster Reliability Project, LLC is a 110 MW under construction battery storage site in Orange County, California, operated by RWE Americas, LLC.
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 |
|---|---|---|---|
| WSTBA | Batteries | 110 MW | Under construction (over 50%) |
Plant details
- Operator
- RWE Americas, LLC
- Location
- Orange County, California
- Balancing authority
- CISO
- Sector
- IPP Non-CHP
- Capacity
- Under construction: 110 MW
- EIA plant ID
- 70463
Location
33.7732, -118.0116
Nearby power plants
- BCE Los Alamitos 2Solar farms, Battery storage · 20.0 MW · 2.4 mi
- Stanton Battery Energy StorageBattery storage · 68.8 MW · 2.7 mi
- Stanton Energy Reliability Center HybridGas power plants, Battery storage · 161 MW · 2.8 mi
- Barre PeakerGas power plants · 49.8 MW · 2.9 mi
- BCE Los Alamitos 1Solar farms, Battery storage · 20.0 MW · 3.2 mi
- BCE Seal BeachSolar farms, Battery storage · 28.7 MW · 3.4 mi
- HaynesGas power plants · 1,739 MW · 5.1 mi
- AES ES Alamitos, LLCBattery storage · 100 MW · 5.1 mi
- AES ES Alamitos 2 LLCBattery storage · 82.0 MW · 5.1 mi
- AES Alamitos Energy CenterGas power plants · 678 MW · 5.1 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