8.4 MW Wind operating in Twin Falls, ID — Idaho Power Company
8.4 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2009
Operating Since
Coordinates
42.8444, -115.0369
County
Twin Falls, ID
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cassia Wind Farm, LLC | Constellation Energy Corp | — |
| Owner(s) | Cassia Wind Farm, LLC | Constellation Energy | — |
| Status | Operating | operating | — |
Cassia Wind is a wind power plant located in Twin Falls County, Idaho. The plant has a total capacity of 8.4 MW and began operating in 2009. It is owned by Constellation Energy and operated by Cassia Wind Farm, LLC. The facility utilizes a single onshore wind turbine manufactured by Suzlon, model S88, with a rotor diameter of 88 meters and a hub height of 79 meters.
The plant's primary fuel source is wind (WND). In its most recent year of operation, Cassia Wind generated 17,815 MWh of electricity, achieving a capacity factor of 24.2%. Cassia Wind operates within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked 34 out of 34 wind plants in Idaho, and 1185 out of 1424 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Idaho Power Company
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
1.5K MWh
Latest Month
17.8K MWh
Annual Generation
24.2%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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Last updated 2026-03-21
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