All industries › Battery storage › California › BIG ROCK SOLAR FARM
Battery storage · Imperial County, California
BIG ROCK SOLAR FARM
A 200 MW battery storage project in Imperial County, California. BIG ROCK SOLAR FARM is built and in service. Public records name Big Rock ESS Assets, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about BIG ROCK SOLAR FARM, as of 25 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2025 |
| Size | 200 MW |
| Location | Imperial County, California (to about 10 km) |
| Developer | Big Rock ESS Assets, LLC |
| 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.
- A filing dates the construction start to December 2023.
- Stormwater permit filed.
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 |
| UMBRIELUtility solar | Financed | 1,150 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 |
More
Questions
BIG ROCK SOLAR FARM, in short.
Where is BIG ROCK SOLAR FARM?
BIG ROCK SOLAR FARM is a 200 MW battery storage 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 BIG ROCK SOLAR FARM?
BIG ROCK SOLAR FARM is built and in service since 2025.
Who is developing BIG ROCK SOLAR FARM?
Big Rock ESS Assets, LLC, as the public record names it.
Who is building BIG ROCK SOLAR FARM?
No public record read so far names a builder for BIG ROCK SOLAR FARM. 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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