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342.7 MW Wind operating in Garfield, WA
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
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| 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
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Bonneville Power Administration (BPAT)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
88.9K MWh
Latest Month
795.3K MWh
Annual Generation
26.4%
Capacity Factor
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Wind · Puget Sound Energy, Inc. · Data from 2015–2024
$2,019/kW
Installed Cost
$-14/kW
Annual CapEx
$10.5/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-04-19
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