600 MW Batteries (300 MW) + Solar Photovoltaic (300 MW) planned in Garfield, WA — Bonneville Power Administration
600 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
46.5024, -117.8263
County
Garfield, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | LOSN, LLC | — | — |
| Owner(s) | Cordelio BNC Holdings, LLC, WestDevco, LLC | — | — |
| Status | Planned | pre-construction | — |
Lower Snake Solar Generation BESS is a 600 MW hybrid power plant located in Garfield County, Washington. The facility, identified by plant ID 68344, is owned and operated by LOSN, LLC. It utilizes both solar photovoltaic and battery storage technologies, with electricity listed as its primary fuel type (MWH). The solar component employs a fixed-tilt tracking system.
The plant is the second-largest of six solar facilities in Washington state, and ranks 49th out of 514 nationally. It operates within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Recent news coverage indicates three articles related to deals involving the plant.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
138 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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