Ivester Wind Farm — Plant Summary
- EIA Plant ID
- 61911
- Capacity
- 90.8 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Grundy, IA
- Operating Since
- 2018
- Generators
- 1
- Operator
- MidAmerican Energy Co
- Parent Company
- Berkshire Hathaway
- Annual Generation
- 328,083 MWh
- Capacity Factor
- 41.3%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Ivester Wind Farm
OperatingWind
Ranked #59 of 122 Wind plants in IA#786 of 1442 nationally
90.8 MW Wind operating in Grundy, IA — Midcontinent Independent Transmission System Operator, Inc..
EIAGEMWD
90.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2018
Operating Since
Location
Coordinates
42.3431, -92.9341
County
Grundy, IA
Nearby Plants
- Wellsburg Wind ProjectWind140.8 MW · 6.0 km
- Grundy Center City Light PlantDistillate Oil8.7 MW · 13.5 km
- Vienna Wind FarmWind150.2 MW · 23.6 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
The Ivester Wind Farm is a 90.8 MW wind power plant located in Grundy 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 is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and resides within the MRO NERC region. Ivester Wind Farm ranks 59th out of 122 wind plants in Iowa and 778th nationally out of 1424.
The wind farm's turbines have a hub height of 85 meters and a rotor diameter of 120 meters. The turbines were manufactured by Siemens Gamesa Renewable Energy, model SG-2.625-120. In its most recent year of operation, the plant generated 328,083 MWh, achieving a capacity factor of 41.3%. The installed cost of the facility was $1342.08 per kW, according to FERC data.
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
35.0K MWh
Latest Month
328.1K MWh
Annual Generation
41.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,371/kW
Installed Cost
MidAmerican Energy Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
MEC.IVESTER
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
Curated node match
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Last updated 2026-03-26
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