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Battery storage · Atascosa County, Texas
Amphion Storage
A 200 MW battery storage project in Atascosa County, Texas. Amphion 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 Amphion Solar, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Amphion Storage, as of 22 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q2 2028 estimate |
| Size | 200 MW |
| Location | Atascosa County, Texas (to about 10 km) |
| Developer | Amphion 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 Amphion Solar, LLC
| Project | Stage | Size |
|---|---|---|
| Amphion Solar Phase 2Utility solar · Atascosa County, Texas | Queued | 206 MW |
| Amphion Solar Phase 1Utility solar · Atascosa County, Texas | Queued | 181 MW |
| Amphion Solar Phase 3Utility solar · Atascosa County, Texas | Queued | 115 MW |
Also in Atascosa County
| Project | Stage | Size |
|---|---|---|
| Grandslam SolarUtility solar | Financed | 122 MW |
| Paradiso BESSBattery storage | Financed | 102 MW |
| Reis SolarUtility solar | Permitted | 105 MW |
| Bluewind BESSBattery storage | Queued | 246 MW |
| Amphion Solar Phase 2Utility solar | Queued | 206 MW |
| Amphion Solar Phase 1Utility solar | Queued | 181 MW |
More
Questions
Amphion Storage, in short.
Where is Amphion Storage?
Amphion Storage is a 200 MW battery storage project in Atascosa 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 Amphion Storage?
Groundtrace estimates construction starts in the second 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 Amphion Storage?
Amphion Solar, LLC, as the public record names it.
Who is building Amphion Storage?
No public record read so far names a builder for Amphion 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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