Crimson
Battery storage power plant · Riverside County, California
Details
- Primary fuel
- Battery storage
- Technology
- Batteries
- Operator
- RE Crimson LLC
- County
- Riverside County
- Generating units
- 2
- Share of state capacity
- 0.32%
- Rank among battery storage plants in California
- #5 of 142
- EIA plant code
- 65140
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| SWSH1 | Batteries | 200 MW | 200 MW | 2022 | Operating |
| SWSH2 | Batteries | 150 MW | 150 MW | 2022 | 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
| Arlington Energy Center II | Solar | 365 MW |
| Proxima | Solar | 352 MW |
| Scarlet II Hybrid | Solar | 350 MW |
| Golden Field Solar III, LLC | Solar | 339 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 350 MW solar plant and a 350 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