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Battery storage · Upton County, Texas
Grandfalls Storage SLF
A 176 MW battery storage project in Upton County, Texas. Grandfalls Storage SLF has work under way on site. Public records name King Mountain Storage LLC 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 Grandfalls Storage SLF, as of 23 Oct 2026.
| Stage | Under construction |
|---|---|
| Construction start | Q3 2025 permit on file |
| Size | 176 MW |
| Location | Upton County, Texas (to about 10 km) |
| Developer | King Mountain Storage LLC |
| Grid operator | ERCOT |
| 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.
- Moved from queued to under construction.
- A filing dates the construction start to September 2025.
- Stormwater permit filed.
Who was named on it, and when, is in the app.
Also in Upton County
| Project | Stage | Size |
|---|---|---|
| McCamey's Castle BatteryBattery storage | Under construction | 410 MW |
| Grandfalls SolarUtility solar | 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
Grandfalls Storage SLF, in short.
Where is Grandfalls Storage SLF?
Grandfalls Storage SLF is a 176 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 Grandfalls Storage SLF?
A construction permit on file dates the start of work to the third quarter of 2025.
Who is developing Grandfalls Storage SLF?
King Mountain Storage LLC, as the public record names it.
Who is building Grandfalls Storage SLF?
A builder is named for Grandfalls Storage SLF 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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