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105.3 MW Wind operating in Whitman, WA — Avista Corporation
105.3 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2012
Operating Since
Coordinates
47.1331, -117.3260
County
Whitman, WA
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Onward Energy | E.ON Energy Services | — |
| Owner(s) | Onward Energy | Onward Energy Holdings | — |
| Status | Operating | operating | — |
Located in Whitman County, Washington, the Palouse wind power plant has a total capacity of 105.3 MW. The facility began operating in 2012 and is owned and operated by Onward Energy Holdings. The plant utilizes a single generator consisting of multiple onshore wind turbines. The wind turbines have a hub height of 80 meters and a rotor diameter of 100 meters, and are manufactured by Vestas, model V100-1.8.
In the most recent year of data, the plant generated 325,878 MWh, achieving a capacity factor of 35.3%. Palouse is ranked as the 15th largest wind plant out of 17 in Washington state, and 663rd nationally out of 734. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Avista Corporation.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
29.4K MWh
Latest Month
325.9K MWh
Annual Generation
35.3%
Capacity Factor
2013
$1,895/kW
Est. Construction Cost
Total estimated cost: $199.6M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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ask pi about PalouseAvista Corporation (AVA)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP