Greenwater BESS

A 200 MW battery storage project in Pierce County, Washington. Greenwater BESS has work under way on site. Public records name GREE bn, 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 Greenwater BESS, as of 23 Oct 2026.

Stage	Under construction
Construction start	Q4 2025 estimate
Size	200 MW
Location	Pierce County, Washington (to about 10 km)
Developer	GREE bn, LLC
Grid operator	—
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.

Battery storage in Washington Every industry in Washington How to tell a project is about to break ground

Questions

Greenwater BESS, in short.

Where is Greenwater BESS?

Greenwater BESS is a 200 MW battery storage project in Pierce County, Washington. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Greenwater BESS?

Groundtrace estimates construction started in the fourth quarter of 2025. 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 Greenwater BESS?

GREE bn, LLC, as the public record names it.

Who is building Greenwater BESS?

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