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200 MW BESS under construction in Pierce, WA — Puget Sound Energy
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
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 | Under construction | — | — |
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
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $272.2M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about Greenwater BESSPuget Sound Energy (PSEI)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP