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Battery storage · San Bernardino County, California
Separator (Etiwanda) BESS
A 112 MW battery storage project in San Bernardino County, California. Separator (Etiwanda) BESS is built and in service. Public records name Southern California Edison Co as its developer. No public record read so far names its builder.
The record
What the public record says about Separator (Etiwanda) BESS, as of 23 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2024 |
| Size | 112 MW |
| Location | San Bernardino County, California (to about 10 km) |
| Developer | Southern California Edison Co |
| Grid operator | — |
| Builder (EPC) | Not named yet |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
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What happened
Each change dated by the scene or the document, newest first.
No change on record since Groundtrace started tracking it.
Who was named on it, and when, is in the app.
Also developed by Southern California Edison Co
| Project | Stage | Size |
|---|---|---|
| Anode (Springville) BESSBattery storage · Tulare County, California | Under construction | 225 MW |
| Cathode (Hinson) BESSBattery storage · Los Angeles County, California | Operating | 200 MW |
| Mira Loma Energy Storage FacilityBattery storage · San Bernardino County, California | Operating | 20 MW |
| Center HybridBattery storage · Los Angeles County, California | Operating | 10 MW |
| Grapeland HybridBattery storage · San Bernardino County, California | Operating | 10 MW |
| Solar Photovoltaic Project #42Utility solar · Tulare County, California | Operating | 5 MW |
Also in San Bernardino County
| Project | Stage | Size |
|---|---|---|
| Vidal Energy CenterUtility solar | Under construction | 160 MW |
| OVERNIGHT SOLARUtility solar | Under construction | 150 MW |
| BALDY MESA 2Utility solar | Under construction | 50 MW |
| Baldy Mesa StorageBattery storage | Under construction | 50 MW |
| CONDUIT ENERGY STORAGEBattery storage | Financed | 513 MW |
| TROLLEYBattery storage | Financed | 406 MW |
More
Questions
Separator (Etiwanda) BESS, in short.
Where is Separator (Etiwanda) BESS?
Separator (Etiwanda) BESS is a 112 MW battery storage project in San Bernardino County, California. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Separator (Etiwanda) BESS?
Separator (Etiwanda) BESS is built and in service since 2024.
Who is developing Separator (Etiwanda) BESS?
Southern California Edison Co, as the public record names it.
Who is building Separator (Etiwanda) BESS?
No public record read so far names a builder for Separator (Etiwanda) BESS. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.
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