Query
Vienna Wind Farm
Type
Entity Briefing
Entity
Vienna Wind Farm
Technology
wind
Generated
2026-10-19T09:08:01.098Z

Briefing on Vienna Wind Farm

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
150 MW
Capacity
Operating
Current status
2012
Operating since
2
Generators
30.1%
Capacity factor
398 GWh
Annual generation
Briefing/plantOperating

Vienna Wind Farm is a 150 MW Onshore Wind Turbine asset in MISO (Midcontinent), currently Operating.

Vienna Wind Farm is reported in Iowa since 2012 under Berkshire Hathaway. Available operating and financial measures include 30.1% capacity factor and 398 GWh annual generation; $2900/kW reported CapEx.

Location
Marshall, Iowa
Technology
Onshore Wind Turbine
Owner / parent
Berkshire Hathaway
Operator
MidAmerican Energy Co
Grid
MISO (Midcontinent)
Plant ID
57874

What stands out

1

Vienna Wind Farm is a 150 MW Onshore Wind Turbine asset in Iowa with status Operating.

2

Latest annual operating measures report 30.1% capacity factor and 398 GWh annual generation.

3

Available financial measures include $9.5/MWh OpEx, $2900/kW CapEx.

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
MRO
State rank
#41 of 123
National rank
#497 of 1,442

Why it matters

For this asset in MISO (Midcontinent), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.