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174.8 MW Wind operating in Adair, IA — Midcontinent Independent Transmission System Operator, Inc..
174.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2008
Operating Since
Coordinates
41.4598, -94.6675
County
Adair, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy Co | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
The Adair Wind Farm is a 174.8 MW wind power facility located in Adair County, Iowa. The plant began operating in 2008 and is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It consists of a single generator utilizing onshore wind turbine technology. The facility is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) and falls within the MRO NERC region. The plant is ranked 32nd out of 54 wind facilities in Iowa and 412th out of 734 nationally.
The wind farm's turbines have a hub height of 80 meters and a rotor diameter of 93 meters. The turbines were manufactured by Siemens and are model SWT-2.3-93. In its most recent year of operation, the plant generated 554,807 MWh, achieving a capacity factor of 36.2%. The installed cost of the facility was $2,053.92 per kW, according to FERC data.
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
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
51.5K MWh
Latest Month
554.8K MWh
Annual Generation
36.2%
Capacity Factor
Wind · MidAmerican Energy Company · Data from 2015–2024
$1,697/kW
Installed Cost
$8.8/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.ADAIR_W1
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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