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Utility solar · Imperial County, California
UMBRIEL
A 1,150 MW utility solar project in Imperial County, California. UMBRIEL 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 UMBRIEL, as of 22 Oct 2026.
| Stage | Financed |
|---|---|
| Construction start | Q4 2031 estimate |
| Size | 1,150 MW |
| Location | Imperial 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 Imperial County
| Project | Stage | Size |
|---|---|---|
| Imperial Sun SolarUtility solar | Under construction | 100 MW |
| SILVER RIDGE MOUNT SIGNALUtility solar | Financed | 600 MW |
| IID request GI-2022-164Utility solar | Queued | 800 MW |
| IID request GI-2023-167Utility solar | Queued | 500 MW |
| IID request GI-2022-162Utility solar | Queued | 270 MW |
| Kingsley Solar FarmUtility solar | Queued | 225 MW |
More
Questions
UMBRIEL, in short.
Where is UMBRIEL?
UMBRIEL is a 1,150 MW utility solar project in Imperial 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 UMBRIEL?
Groundtrace estimates construction starts in the fourth quarter of 2031. 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 UMBRIEL?
No public record read so far names its developer.
Who is building UMBRIEL?
No public record read so far names a builder for UMBRIEL. 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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