200 MW BESS planned in Pierce, WA — Puget Sound Energy
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Coordinates
47.2365, -122.2271
County
Pierce, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | GREE bn, LLC | — | — |
| Owner(s) | Cordelio BNC Holdings, LLC, WestDevco, LLC | — | — |
| Status | Planned | — | — |
Greenwater BESS is a 200 MW battery energy storage system located in Pierce County, Washington. The plant is owned and operated by GREE bn, LLC. It is the third-largest battery storage facility in Washington state out of six such plants, and ranks 294th nationally out of 514. The primary fuel type is listed as MWH, indicating that it draws power from the grid to charge its batteries.
The facility consists of a single generator. Greenwater BESS operates within the Puget Sound Energy balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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