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Battery storage illustration Battery storage · Cameron County, Texas

Harlingen #1 BESS 1

A 10 MW battery storage project in Cameron County, Texas. Harlingen #1 BESS 1 has work under way on site. Public records name Harlingen ESS Assets LLC as its developer. No public record read so far names its builder.

The record

What the public record says about Harlingen #1 BESS 1, as of 22 Oct 2026.

StageUnder construction
Construction startQ1 2026 estimate
Size10 MW
LocationCameron County, Texas (to about 10 km)
DeveloperHarlingen ESS Assets LLC
Grid operator—
Builder (EPC)Not named yet
Trade subcontractors in the app
People to call in the app
Phase windows 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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Questions

Harlingen #1 BESS 1, in short.

Where is Harlingen #1 BESS 1?

Harlingen #1 BESS 1 is a 10 MW battery storage project in Cameron County, Texas. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Harlingen #1 BESS 1?

Groundtrace estimates construction started in the first 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 Harlingen #1 BESS 1?

Harlingen ESS Assets LLC, as the public record names it.

Who is building Harlingen #1 BESS 1?

No public record read so far names a builder for Harlingen #1 BESS 1. 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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