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Utility solar · Contra Costa County, California
Central San
A 2 MW utility solar project in Contra Costa County, California. Central San is built and in service. Public records name REC CSD, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Central San, as of 25 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2025 |
| Size | 2 MW |
| Location | Contra Costa County, California (to about 10 km) |
| Developer | REC CSD, LLC |
| 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
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- Entered the public record for the first time.
Who was named on it, and when, is in the app.
Also in Contra Costa County
| Project | Stage | Size |
|---|---|---|
| BLACK DIAMOND ES2Battery storage | Under construction | 179 MW |
| DELILAH ENERGY STORAGEBattery storage | Financed | 504 MW |
| ALLEGHENY ENERGY STORAGEBattery storage | Financed | 353 MW |
| HARMONY STORAGE 2Battery storage | Queued | 308 MW |
| SHERMAN ENERGY STORAGEBattery storage | Queued | 256 MW |
| BLACK DIAMOND ENERGY STORAGEBattery storage | Operating | 200 MW |
More
Questions
Central San, in short.
Where is Central San?
Central San is a 2 MW utility solar project in Contra Costa 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 Central San?
Central San is built and in service since 2025.
Who is developing Central San?
REC CSD, LLC, as the public record names it.
Who is building Central San?
No public record read so far names a builder for Central San. 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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