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502 MW Wind operating in O'Brien, IA — Midcontinent Independent Transmission System Operator, Inc..
502 MW
Nameplate Capacity
7
Generators
units
Onshore Wind Turbine
Technology
2015
Operating Since
Coordinates
43.0803, -95.6561
County
O'Brien, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | MidAmerican Energy Company |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
The Highland Wind Energy Center is a 501.4 megawatt (MW) wind farm in O'Brien County, Iowa. It became the largest facility in the state when it was placed online in 2015.
Read more on WikipediaLocated in O'Brien County, Iowa, the Highland Wind Project is a 502 MW wind farm that commenced operations in 2015. The facility is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It utilizes seven onshore wind turbine generators manufactured by Siemens, specifically the SWT-2.346-108 model. These turbines have a hub height of 80 meters and a rotor diameter of 108 meters. The Highland Wind Project is the largest of 54 wind farms in Iowa and ranks 25th nationally out of 734 wind facilities.
The plant's latest annual generation was 1,554,390 MWh, resulting in a capacity factor of 35.4%. The installed cost of the facility was $1638.57 per kW, according to FERC data. The Highland Wind Project operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region.
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
126.7K MWh
Latest Month
1.6M MWh
Annual Generation
35.4%
Capacity Factor
Wind · MidAmerican Energy Company · Data from 2015–2024
$1,677/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.HIGHLAND2
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-04-09
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