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Battery storage · San Bernardino County, California
TROLLEY
A 406 MW battery storage project in San Bernardino County, California. TROLLEY 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 TROLLEY, as of 22 Oct 2026.
| Stage | Financed |
|---|---|
| Construction start | Q4 2029 estimate |
| Size | 406 MW |
| Location | San Bernardino 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 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 |
| DIRACBattery storage | Financed | 403 MW |
More
Questions
TROLLEY, in short.
Where is TROLLEY?
TROLLEY is a 406 MW battery storage project in San Bernardino 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 TROLLEY?
Groundtrace estimates construction starts in the fourth quarter of 2029. 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 TROLLEY?
No public record read so far names its developer.
Who is building TROLLEY?
No public record read so far names a builder for TROLLEY. 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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