Greenwater BESS — Plant Summary
- EIA Plant ID
- 68341
- Capacity
- 200 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Planned
- Location
- Pierce, WA
- Operating Since
- —
- Generators
- 1
- Operator
- GREE bn, LLC
- Parent Company
- —
- Balancing Authority
- Puget Sound Energy
- ISO/RTO
- —
- NERC Region
- WECC
Greenwater BESS
PlannedBESS
Ranked #3 of 9 BESS plants in WA#150 of 837 nationally
200 MW BESS planned in Pierce, WA — Puget Sound Energy
EIA
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Location
Coordinates
47.2365, -122.2271
County
Pierce, WA
Nearby Plants
- Mint Farm Generating StationNatural Gas319 MW · 19.7 km
- Frederickson Power LPNatural Gas318.3 MW · 19.7 km
- FredericksonNatural Gas177.8 MW · 20.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | GREE bn, LLC | — | — |
| Owner(s) | Cordelio BNC Holdings, LLC, WestDevco, LLC | — | — |
| Status | Planned | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Yuma County, Arizona: BrightNight and LRE progress BESS
Two BESS projects in Yuma County, Arizona, one from BrightNight, and one from Leeward Renewable Energy, have reached significant milestones.
Energy-Storage.News·4 weeks ago
General
US ROUNDUP: Duke Energy, Elevate, Fluence with BrightNight and Cordelio progress BESS projects
Duke Energy, Elevate Renewables, and Fluence Energy, along with BrightNight and Cordelio Power, are advancing BESS projects across the BESS.
Energy-Storage.News·2 months ago
General
US ROUNDUP: Duke Energy, Elevate, Fluence with BrightNight and Cordelio progress BESS projects
Duke Energy, Elevate Renewables, and Fluence Energy, along with BrightNight and Cordelio Power, are advancing BESS projects across the BESS.
Energy-Storage.News·2 months ago
General
US ROUNDUP: Duke Energy, Elevate, Fluence with BrightNight and Cordelio progress BESS projects
Duke Energy, Elevate Renewables, and Fluence Energy, along with BrightNight and Cordelio Power, are advancing BESS projects across the BESS.
Energy-Storage.News·2 months ago
Last updated 2026-03-26
View all 10 articles