SOSA Storage

A 155 MW battery storage project in Madison County, Texas. SOSA Storage has work under way on site. Public records name Sosa Energy Center, LLC as its developer. No public record read so far names its builder.

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The record

What the public record says about SOSA Storage, as of 22 Oct 2026.

Stage	Under construction
Construction start	Q4 2025 permit on file
Size	155 MW
Location	Madison County, Texas (to about 10 km)
Developer	Sosa Energy Center, 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 Madison County

Project	Stage	Size
Tex-Bar ESSBattery storage	Financed	202 MW
Masava StorageBattery storage	Queued	257 MW
Savannah Oaks SolarUtility solar	Queued	201 MW

Battery storage in Texas Every industry in Texas ERCOT queue How to tell a project is about to break ground

Questions

SOSA Storage, in short.

Where is SOSA Storage?

SOSA Storage is a 155 MW battery storage project in Madison 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 SOSA Storage?

A construction permit on file dates the start of work to the fourth quarter of 2025.

Who is developing SOSA Storage?

Sosa Energy Center, LLC, as the public record names it.

Who is building SOSA Storage?

No public record read so far names a builder for SOSA 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.