All industries › Battery storage › Texas › McCamey's Castle Battery
Battery storage · Upton County, Texas
McCamey's Castle Battery
A 410 MW battery storage project in Upton County, Texas. McCamey's Castle Battery has work under way on site. Public records name Castle Storage, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about McCamey's Castle Battery, as of 22 Oct 2026.
| Stage | Under construction |
|---|---|
| Construction start | Q2 2026 estimate |
| Size | 410 MW |
| Location | Upton County, Texas (to about 10 km) |
| Developer | Castle Storage, LLC |
| Grid operator | ERCOT |
| 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 Upton County
| Project | Stage | Size |
|---|---|---|
| Grandfalls SolarUtility solar | Under construction | 176 MW |
| Grandfalls Storage SLFBattery storage | Under construction | 176 MW |
| King Mountain SolarUtility solar | Under construction | 175 MW |
| Tres Rios Ranch SolarUtility solar | Financed | 508 MW |
| Tres Rios Ranch BESSBattery storage | Financed | 290 MW |
| Mesa View StorageBattery storage | Financed | 255 MW |
More
Questions
McCamey's Castle Battery, in short.
Where is McCamey's Castle Battery?
McCamey's Castle Battery is a 410 MW battery storage project in Upton County, Texas, in ERCOT'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 McCamey's Castle Battery?
Groundtrace estimates construction started in the second quarter of 2026. 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 McCamey's Castle Battery?
Castle Storage, LLC, as the public record names it.
Who is building McCamey's Castle Battery?
No public record read so far names a builder for McCamey's Castle Battery. 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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