All industries › Utility solar › Texas › Big River Solar
Utility solar · Zapata County, Texas
Big River Solar
A 104 MW utility solar project in Zapata County, Texas. Big River Solar has asked to connect to the grid or filed for its first approvals; nothing on record yet commits money to it. Public records name Rio Grande River Solar LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Big River Solar, as of 22 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q3 2027 estimate |
| Size | 104 MW |
| Location | Zapata County, Texas (to about 10 km) |
| Developer | Rio Grande River Solar 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 developed by Rio Grande River Solar LLC
| Project | Stage | Size |
|---|---|---|
| Big River BESSBattery storage · Zapata County, Texas | Queued | 51 MW |
Also in Zapata County
| Project | Stage | Size |
|---|---|---|
| Falcon Zapata Storage 138Battery storage | Financed | 201 MW |
| Cascabel Wind 1Onshore wind | Financed | 198 MW |
| Cascabel Wind 2Onshore wind | Financed | 198 MW |
| Corralitos Wind 1Onshore wind | Financed | 196 MW |
| Corralitos Wind 2Onshore wind | Financed | 195 MW |
| Falcon BESSBattery storage | Queued | 517 MW |
More
Questions
Big River Solar, in short.
Where is Big River Solar?
Big River Solar is a 104 MW utility solar project in Zapata 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 Big River Solar?
Groundtrace estimates construction starts in the third 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 Big River Solar?
Rio Grande River Solar LLC, as the public record names it.
Who is building Big River Solar?
No public record read so far names a builder for Big River Solar. 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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