SEPV Sierra
Battery storage power plant · Los Angeles County, California
Details
- Primary fuel
- Battery storage
- Technology
- Batteries
- Operator
- SEPV Sierra, LLC
- County
- Los Angeles County
- Generating units
- 2
- Share of state capacity
- 0.01%
- Rank among battery storage plants in California
- #85 of 142
- EIA plant code
- 64611
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Batteries | 8.3 MW | 8.3 MW | 2020 | Operating |
| 2 | Solar Photovoltaic | 3.0 MW | 3.0 MW | 2020 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in California
| Childrens Hospital | Natural gas | 11 MW |
| Poole | Hydro | 11 MW |
| Naval Air Weapons Station China Lake | Solar | 11 MW |
| Silverstrand Grid Energy Storage System | Battery storage | 11 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 11 MW solar plant and a 11 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All California power plants · What California actually generates