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Battery storage · Alameda County, California
ESPRESSO
A 365 MW battery storage project in Alameda County, California. ESPRESSO has money committed on record: a signed interconnection agreement, a financing close or a tax-credit filing. No public record read so far names its builder.
The record
What the public record says about ESPRESSO, as of 22 Oct 2026.
| Stage | Financed |
|---|---|
| Construction start | Q2 2030 estimate |
| Size | 365 MW |
| Location | Alameda County, California (to about 10 km) |
| Developer | Not named in any record read |
| Grid operator | CAISO |
| Builder (EPC) | Not named yet |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.
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 Alameda County
| Project | Stage | Size |
|---|---|---|
| ARAMIS POWER PLANTUtility solar | Under construction | 101 MW |
| Aramis I Solar ProjectUtility solar | Under construction | 100 MW |
| Mulqueeney Wind EnergyOnshore wind | Under construction | 80 MW |
| NorCal FPV 1Utility solar | Under construction | 10 MW |
| Hayward Data CenterData centers | Under construction | — |
| SPECTRUM ENERGY STORAGEBattery storage | Financed | 504 MW |
More
Questions
ESPRESSO, in short.
Where is ESPRESSO?
ESPRESSO is a 365 MW battery storage project in Alameda County, California, in CAISO's interconnection queue. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on ESPRESSO?
Groundtrace estimates construction starts in the second quarter of 2030. This is an estimate from the project's filings, not a date any record states; the exact date and the record behind it are in the subscriber record.
Who is developing ESPRESSO?
No public record read so far names its developer.
Who is building ESPRESSO?
No public record read so far names a builder for ESPRESSO. 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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