342.7 MW Wind operating in Garfield, WA — Bonneville Power Administration
342.7 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2012
Operating Since
Coordinates
46.5242, -117.8217
County
Garfield, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Puget Sound Energy Inc | Puget Sound Energy | — |
| Owner(s) | Puget Sound Energy Inc | PUGET HOLDINGS | — |
| Status | Operating | operating | — |
The Lower Snake River Wind Project is the newest and largest wind farm operated by Puget Sound Energy, and is located in Washington’s Garfield and Columbia counties. The wind farm is made up of 149 Siemens wind turbines rated at 2.3 MW each for a maximum generating capacity of 343 MW. The project was estimated to create up to 150 temporary jobs and 25 permanent jobs.
Read more on WikipediaThe Lower Snake River Wind Energy Project is a 342.7 MW wind farm located in Garfield County, Washington. Commissioned in 2012, the facility is owned by Puget Holdings and operated by Puget Sound Energy Inc. The plant consists of a single generator utilizing onshore wind turbine technology. It is interconnected to the Bonneville Power Administration balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The wind farm's turbines are manufactured by Siemens, model SWT-2.3-101, with a hub height of 80 meters and a rotor diameter of 101 meters. In the most recent year of data, the plant generated 795,345 MWh, achieving a capacity factor of 26.4%. The Lower Snake River Wind Energy Project is the largest of 17 wind farms in Washington and ranks 54th out of 734 wind facilities nationally. Financial data indicates an installed cost of $2016.49 per kW, as reported to FERC.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
500 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
88.9K MWh
Latest Month
795.3K MWh
Annual Generation
26.4%
Capacity Factor
$2,019/kW
Installed Cost
$10.5/MWh
Operating Cost
Puget Sound Energy, Inc.
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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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