All industries › Battery storage › Texas › Castor
Battery storage · Brazoria County, Texas
Castor
A 200 MW battery storage project in Brazoria County, Texas. Castor has work under way on site. Public records name ENGIE North America as its developer. A builder is on record; its name and the people to call are in the app.
The record
What the public record says about Castor, as of 22 Oct 2026.
| Stage | Under construction |
|---|---|
| Construction start | Q3 2025 estimate |
| Size | 200 MW |
| Location | Brazoria County, Texas (to about 10 km) |
| Developer | ENGIE North America |
| Grid operator | — |
| Builder (EPC) | on record, in the app |
| 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 developed by ENGIE North America
| Project | Stage | Size |
|---|---|---|
| OctansBattery storage · Pecos County, Texas | Under construction | 125 MW |
| NOOSA ENERGY STORAGEBattery storage · San Joaquin County, California | Under construction | 99 MW |
| Priddy WindOnshore wind · Mills County, Texas | Operating | 302 MW |
| Iron Star Wind ProjectOnshore wind · Ford County, Kansas | Operating | 298 MW |
| Solomon Forks Wind ProjectOnshore wind · Thomas County, Kansas | Operating | 276 MW |
| King Plains Wind ProjectOnshore wind · Garfield County, Oklahoma | Operating | 248 MW |
Also in Brazoria County
| Project | Stage | Size |
|---|---|---|
| Cottonwood Bayou SolarUtility solar | Under construction | 351 MW |
| Myrtle SolarUtility solar | Under construction | 321 MW |
| Tanglewood SolarUtility solar | Under construction | 251 MW |
| Brazoria Solar IUtility solar | Under construction | 250 MW |
| Cradle SolarUtility solar | Under construction | 201 MW |
| Bocanova Energy Storage IIBattery storage | Under construction | 150 MW |
More
Questions
Castor, in short.
Where is Castor?
Castor is a 200 MW battery storage project in Brazoria County, Texas. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Castor?
Groundtrace estimates construction started in the third quarter of 2025. 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 Castor?
ENGIE North America, as the public record names it.
Who is building Castor?
A builder is named for Castor in the public record. Its name, the trade subcontractors and the people to call are in the subscriber record, each with the record that names it.
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