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Battery storage illustration Battery storage · Leon County, Texas

Great Rock BESS

A 301 MW battery storage project in Leon County, Texas. Great Rock BESS has work under way on site. Public records name Great Rock Storage LLC as its developer. No public record read so far names its builder.

The record

What the public record says about Great Rock BESS, as of 23 Oct 2026.

StageUnder construction
Construction startQ4 2026 estimate
Size301 MW
LocationLeon County, Texas (to about 10 km)
DeveloperGreat Rock Storage LLC
Grid operatorERCOT
Builder (EPC)Not named yet
Trade subcontractors in the app
People to call in the app
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What happened

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Who was named on it, and when, is in the app.

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Every project in Leon County

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Questions

Great Rock BESS, in short.

Where is Great Rock BESS?

Great Rock BESS is a 301 MW battery storage project in Leon 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 Great Rock BESS?

Groundtrace estimates construction started in the fourth quarter of 2026. 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 Great Rock BESS?

Great Rock Storage LLC, as the public record names it.

Who is building Great Rock BESS?

No public record read so far names a builder for Great Rock BESS. 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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