Where is Prairie Wind Farm?

In Mahaska County, Iowa (IA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is Prairie Wind Farm?

168 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Prairie Wind Farm?

EIA-860M names MidAmerican Energy Co as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as Prairie Wind Farm LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — MidAmerican Energy Co here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Prairie Wind Farm LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Prairie Wind Farm still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Prairie Wind Farm

Prairie Wind Farm is a 168 MW wind farm in Mahaska County, Iowa, operated by MidAmerican Energy Co. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 2018.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 168 MW; 169 MW net summer
Generating units: 1
In service: 2018
EIA plant ID: 60873

Where it is

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County: Mahaska County, Iowa
Coordinates: 41.4369, -92.7038
Balancing authority: MISO
Sector: Electric Utility

Units, technology and status

Operator of record: MidAmerican Energy Co
Primary energy source: Wind
Technologies: Onshore Wind Turbine
Status: Operating

Every plant MidAmerican Energy Co reports to EIA →

Prairie Wind Farm: FAQ

Where is Prairie Wind Farm?: In Mahaska County, Iowa (IA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Prairie Wind Farm?: 168 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Prairie Wind Farm?: EIA-860M names MidAmerican Energy Co as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Prairie Wind Farm LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — MidAmerican Energy Co here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Prairie Wind Farm LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Prairie Wind Farm still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.