Where is Macksburg Wind Project?

In Madison 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 Macksburg Wind Project?

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

Who owns Macksburg Wind Project?

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 Macksburg Wind Project 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 "Macksburg Wind Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Macksburg Wind Project still running?

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

Macksburg Wind Project

Macksburg Wind Project is a 120 MW wind farm in Madison County, Iowa, operated by MidAmerican Energy Co. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 2014.

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: 119.6 MW; 119.6 MW net summer
Generating units: 1
In service: 2014
EIA plant ID: 58885

Where it is

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County: Madison County, Iowa
Coordinates: 41.2092, -94.1036
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 →

Macksburg Wind Project: FAQ

Where is Macksburg Wind Project?: In Madison 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 Macksburg Wind Project?: 120 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Macksburg Wind Project?: 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 Macksburg Wind Project 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 "Macksburg Wind Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Macksburg Wind Project still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.