Prairie Wind Farm — Plant Summary
- EIA Plant ID
- 60873
- Capacity
- 168 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Mahaska, IA
- Operating Since
- 2018
- Generators
- 1
- Operator
- MidAmerican Energy Co
- Parent Company
- Berkshire Hathaway
- Annual Generation
- 591,772 MWh
- Capacity Factor
- 40.2%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Prairie Wind Farm
OperatingWind
Ranked #34 of 122 Wind plants in IA#429 of 1442 nationally
168 MW Wind operating in Mahaska, IA — Midcontinent Independent Transmission System Operator, Inc..
EIAGEMWD
168 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2018
Operating Since
Location
Coordinates
41.4469, -92.6780
County
Mahaska, IA
Nearby Plants
- MontezumaDistillate Oil9.8 MW · 20.2 km
- Pella PeakingDistillate Oil28 MW · 22.1 km
- English FarmsWind171.5 MW · 25.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Ownership Chain
About
Prairie Wind Farm is a 168 MW wind power plant located in Mahaska County, Iowa. The facility began operating in 2018 and is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It consists of a single generator utilizing onshore wind turbine technology. The plant uses Vestas V110-2.0 wind turbines, with a rotor diameter of 110 meters and a hub height of 95 meters.
The plant's primary fuel source is wind (WND). In its most recent year of operation, Prairie Wind Farm generated 591,772 MWh of electricity, achieving a capacity factor of 40.2%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the MRO NERC region. The installed cost of the plant was $1512.47 per kW, according to FERC data. Prairie Wind Farm ranks as the 34th largest wind farm in Iowa out of 54, and 426th nationally out of 734.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
61.2K MWh
Latest Month
591.8K MWh
Annual Generation
40.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,494/kW
Installed Cost
MidAmerican Energy Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Irvine Substation · 161 kV
Substation Distance
< 10 km
Operator
ITC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.PRAIRIE
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
News & Articles (7)Beta
Regulatory·ferc order
Neb., Miss. Utilities to Pay $186K in Penalties
FERC approved settlements between subsidiaries of Berkshire Hathaway Energy and Southern Co. and their regional entities over violations of...
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Investigate Midwest·2 years ago
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Foreign companies are deeply involved in Nebraska farmland – but not how you think
A windmill surrounded by wind turbines in Holt County. Farmers like Mike Zakrzewski have leased land to the Grande Prairie Wind Project,...
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Nebraska Public Media·2 years ago
Industry·other
Farmers Who Oppose Wind Energy Aren’t Just Climate Change Deniers
Nearly 175 years ago, Lana Wanders' ancestors settled in what would soon become the state of Iowa. The farm served as a stopping point for...
Lana Wanders (other)
Slate·8 years ago
Last updated 2026-03-14
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