Hiru Storage

A 504 MW battery storage project in Clay County, Texas. Hiru 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 Hecate Energy Hazel 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 Hiru Storage, as of 22 Oct 2026.

Stage	Queued
Construction start	Q1 2028 estimate
Size	504 MW
Location	Clay County, Texas (to about 10 km)
Developer	Hecate Energy Hazel 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 developed by Hecate Energy Hazel LLC

Project	Stage	Size
Hiru SolarUtility solar · Clay County, Texas	Queued	604 MW

Every Hecate Energy Hazel LLC project

Also in Clay County

Project	Stage	Size
Soleil SolarUtility solar	Financed	452 MW
Hiru SolarUtility solar	Queued	604 MW
Clay County Yang StorageBattery storage	Queued	308 MW
1370 ShannonOnshore wind	Operating	204 MW

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

Questions

Hiru Storage, in short.

Where is Hiru Storage?

Hiru Storage is a 504 MW battery storage project in Clay 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 Hiru Storage?

Groundtrace estimates construction starts in the first quarter of 2028. 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 Hiru Storage?

Hecate Energy Hazel LLC, as the public record names it.

Who is building Hiru Storage?

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