233rd largest plant in California · 2283rd nationally
Separator (Etiwanda) Bess is a battery storage power plant in California with a nameplate capacity of 113 MW.
| Plant Name | Separator (Etiwanda) Bess |
|---|---|
| Operator | Southern California Edison Co |
| City | Ontario |
| County | San Bernardino County |
| State | California |
| ZIP | 91761 |
| Coordinates | 34.09211, -117.53402 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| SEPAR | Batteries | Battery | 113 MW | Operating | 2024 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | California Independent System Operator |
Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.