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500.8 MW Wind operating in Adair, IA — Midcontinent Independent Transmission System Operator, Inc..
500.8 MW
Nameplate Capacity
2
Generators
units
Onshore Wind Turbine
Technology
2018
Operating Since
Coordinates
41.2144, -94.4071
County
Adair, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Orient Wind Farm is a 500.8 MW wind power plant located in Adair County, Iowa. The facility began operating in 2018 and is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It consists of two generators utilizing onshore wind turbine technology. The plant uses Vestas V110-2.0 turbines, with a rotor diameter of 110 meters and a hub height of 95 meters.
The plant's latest annual generation was 1,819,787 MWh, resulting in a capacity factor of 41.6%. Orient Wind Farm operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region. The plant's installed cost was $385.05 per kW, according to FERC data. Orient Wind Farm is the second-largest wind farm in Iowa out of 54, and ranks 26th nationally out of 734 wind farms.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
182.4K MWh
Latest Month
1.8M MWh
Annual Generation
41.6%
Capacity Factor
Wind · MidAmerican Energy Company · Data from 2018–2024
$1,612/kW
Installed Cost
$7.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.ORIENT1
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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