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Battery storage · Contra Costa County, California
Diablo Energy Storage
A 200 MW battery storage project in Contra Costa County, California. Diablo Energy Storage is built and in service. Public records name Diablo Energy Storage, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Diablo Energy Storage, as of 22 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2022 |
| Size | 200 MW |
| Location | Contra Costa County, California (to about 10 km) |
| Developer | Diablo Energy Storage, 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
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 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
Diablo Energy Storage, in short.
Where is Diablo Energy Storage?
Diablo Energy Storage is a 200 MW battery storage 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 Diablo Energy Storage?
Diablo Energy Storage is built and in service since 2022.
Who is developing Diablo Energy Storage?
Diablo Energy Storage, LLC, as the public record names it.
Who is building Diablo Energy Storage?
No public record read so far names a builder for Diablo Energy Storage. 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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