Oberon II Solar Project
Solar power plant · Riverside County, California
Nameplate capacity
375 MW
Rank in California
#57
of 1,897 plants
In service since
2023
September 2023
Details
- Primary fuel
- Solar
- Technology
- Solar Photovoltaic
- Operator
- —
- County
- Riverside County
- Generating units
- 2
- Share of state capacity
- 0.35%
- Rank among solar plants in California
- #11 of 937
- EIA plant code
- 65735
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| OBIIP | Solar Photovoltaic | 250 MW | 250 MW | 2023 | Operating |
| OBIIB | Batteries | 125 MW | 125 MW | 2023 | 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
| El Centro Hybrid | Natural gas | 388 MW |
| Magnolia Power Project | Natural gas | 388 MW |
| Oberon Solar Project | Solar | 375 MW |
| Arlington Energy Center II | Solar | 365 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 375 MW solar plant and a 375 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