All industries › Battery storage › Texas › Nautilus Heavy Storage
Battery storage · San Patricio County, Texas
Nautilus Heavy Storage
A 256 MW battery storage project in San Patricio County, Texas. Nautilus Heavy 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 Nautilus Heavy Storage, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Nautilus Heavy Storage, as of 22 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q1 2029 estimate |
| Size | 256 MW |
| Location | San Patricio County, Texas (to about 10 km) |
| Developer | Nautilus Heavy 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
Nautilus Heavy Storage, in short.
Where is Nautilus Heavy Storage?
Nautilus Heavy Storage is a 256 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 Nautilus Heavy Storage?
Groundtrace estimates construction starts in the first quarter of 2029. 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 Nautilus Heavy Storage?
Nautilus Heavy Storage, LLC, as the public record names it.
Who is building Nautilus Heavy Storage?
No public record read so far names a builder for Nautilus Heavy 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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