All industries › Battery storage › Texas › SunShiner ESS
Battery storage · Zavala County, Texas
SunShiner ESS
A 200 MW battery storage project in Zavala County, Texas. SunShiner ESS has asked to connect to the grid or filed for its first approvals; nothing on record yet commits money to it. Public records name SunShiner ESS LLC as its developer. No public record read so far names its builder.
The record
What the public record says about SunShiner ESS, as of 23 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q3 2028 estimate |
| Size | 200 MW |
| Location | Zavala County, Texas (to about 10 km) |
| Developer | SunShiner ESS 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 Zavala County
| Project | Stage | Size |
|---|---|---|
| Flying Kite SolarUtility solar | Under construction | 80 MW |
| Flying Kite BessBattery storage | Pre-construction | 105 MW |
| Bramble Energy CenterBattery storage | Queued | 225 MW |
| La Mancha Solar SLFUtility solar | Queued | 41 MW |
| La Mancha Storage SLFBattery storage | Queued | 41 MW |
| McLean (Shakes) SolarUtility solar | Operating | 206 MW |
More
Questions
SunShiner ESS, in short.
Where is SunShiner ESS?
SunShiner ESS is a 200 MW battery storage project in Zavala 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 SunShiner ESS?
Groundtrace estimates construction starts in the third 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 SunShiner ESS?
SunShiner ESS LLC, as the public record names it.
Who is building SunShiner ESS?
No public record read so far names a builder for SunShiner ESS. 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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