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Battery storage · San Patricio County, Texas
Diamond Cowboy Storage
A 104 MW battery storage project in San Patricio County, Texas. Diamond Cowboy Storage has money committed on record: a signed interconnection agreement, a financing close or a tax-credit filing. Public records name Diamond B Storage, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Diamond Cowboy Storage, as of 23 Oct 2026.
| Stage | Financed |
|---|---|
| Construction start | Q4 2027 estimate |
| Size | 104 MW |
| Location | San Patricio County, Texas (to about 10 km) |
| Developer | Diamond B 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 San Patricio County
| Project | Stage | Size |
|---|---|---|
| Pintail BESSBattery storage | Under construction | 200 MW |
| Jackalope SolarUtility solar | Under construction | 156 MW |
| Bayou Creek SolarUtility solar | Pre-construction | 257 MW |
| Titus Low Carbon Ventures Solar 1Utility solar | Financed | 338 MW |
| SanPat Solar IUtility solar | Financed | 309 MW |
| Palo Verde WindOnshore wind | Financed | 298 MW |
More
Questions
Diamond Cowboy Storage, in short.
Where is Diamond Cowboy Storage?
Diamond Cowboy Storage is a 104 MW battery storage project in San Patricio 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 Diamond Cowboy Storage?
Groundtrace estimates construction starts in the fourth quarter of 2027. 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 Diamond Cowboy Storage?
Diamond B Storage, LLC, as the public record names it.
Who is building Diamond Cowboy Storage?
No public record read so far names a builder for Diamond Cowboy 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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