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Battery storage · Mason County, Texas
Bat Cave
A 100 MW battery storage project in Mason County, Texas. Bat Cave is built and in service. Public records name Engie North America as its developer. No public record read so far names its builder.
The record
What the public record says about Bat Cave, as of 25 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2021 |
| Size | 100 MW |
| Location | Mason County, Texas (to about 10 km) |
| Developer | Engie North America |
| Grid operator | — |
| Builder (EPC) | Not named yet |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
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What happened
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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 |
|---|---|---|
| CastorBattery storage · Brazoria County, Texas | Under construction | 200 MW |
| 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 |
Also in Mason County
| Project | Stage | Size |
|---|---|---|
| Regis MasonBattery storage | Operating | 10 MW |
More
Questions
Bat Cave, in short.
Where is Bat Cave?
Bat Cave is a 100 MW battery storage project in Mason 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 Bat Cave?
Bat Cave is built and in service since 2021.
Who is developing Bat Cave?
Engie North America, as the public record names it.
Who is building Bat Cave?
No public record read so far names a builder for Bat Cave. 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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