Marshall Spring Storage

A 150 MW battery storage project in Gillespie County, Texas. Marshall Spring Storage has money committed on record: a signed interconnection agreement, a financing close or a tax-credit filing. Public records name Marshall Springs Storage, 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 Marshall Spring Storage, as of 22 Oct 2026.

Stage	Financed
Construction start	Q4 2027 estimate
Size	150 MW
Location	Gillespie County, Texas (to about 10 km)
Developer	Marshall Springs 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 Gillespie County

Project	Stage	Size
Rogers Draw BESSBattery storage	Under construction	149 MW
Marshall Spring SolarUtility solar	Financed	150 MW

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

Questions

Marshall Spring Storage, in short.

Where is Marshall Spring Storage?

Marshall Spring Storage is a 150 MW battery storage project in Gillespie 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 Marshall Spring Storage?

Groundtrace estimates construction starts in the fourth 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 Marshall Spring Storage?

Marshall Springs Storage, LLC, as the public record names it.

Who is building Marshall Spring Storage?

No public record read so far names a builder for Marshall Spring 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.