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Battery storage · Mills County, Texas
Moss Rock Storage
A 157 MW battery storage project in Mills County, Texas. Moss Rock Storage has asked to connect to the grid or filed for its first approvals; nothing on record yet commits money to it. Public records name Invenergy Storage Development LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Moss Rock Storage, as of 22 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q4 2028 estimate |
| Size | 157 MW |
| Location | Mills County, Texas (to about 10 km) |
| Developer | Invenergy Storage Development 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 Mills County
| Project | Stage | Size |
|---|---|---|
| Starlight StorageBattery storage | Financed | 209 MW |
| Starlight SolarUtility solar | Financed | 131 MW |
| Clapton StorageBattery storage | Queued | 209 MW |
| Cash Mills Storage CenterBattery storage | Queued | 201 MW |
| Clapton SolarUtility solar | Queued | 201 MW |
| Priddy WindOnshore wind | Operating | 302 MW |
More
Questions
Moss Rock Storage, in short.
Where is Moss Rock Storage?
Moss Rock Storage is a 157 MW battery storage project in Mills 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 Moss Rock Storage?
Groundtrace estimates construction starts in the fourth quarter of 2028. 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 Moss Rock Storage?
Invenergy Storage Development LLC, as the public record names it.
Who is building Moss Rock Storage?
No public record read so far names a builder for Moss Rock Storage. 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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