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Battery storage · Maverick County, Texas
Serrano Storage
A 186 MW battery storage project in Maverick County, Texas. Serrano 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 Maverick ESS, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Serrano Storage, as of 22 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q2 2027 estimate |
| Size | 186 MW |
| Location | Maverick County, Texas (to about 10 km) |
| Developer | Maverick 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 Maverick County
| Project | Stage | Size |
|---|---|---|
| Senator Aggreko SolarUtility solar | Financed | 259 MW |
| Althea StorageBattery storage | Financed | 251 MW |
| Sugaree SolarUtility solar | Financed | 251 MW |
| Senator Aggreko StorageBattery storage | Financed | 148 MW |
| Old Victory Energy CenterBattery storage | Queued | 202 MW |
| De Los SantosBattery storage | Queued | 201 MW |
More
Questions
Serrano Storage, in short.
Where is Serrano Storage?
Serrano Storage is a 186 MW battery storage project in Maverick 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 Serrano Storage?
Groundtrace estimates construction starts in the second 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 Serrano Storage?
Maverick ESS, LLC, as the public record names it.
Who is building Serrano Storage?
No public record read so far names a builder for Serrano 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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