Where is Arbor Hill Wind Farm?

In Adair 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 Arbor Hill Wind Farm?

310 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns Arbor Hill 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 Arbor Hill 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 "Arbor Hill 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 Arbor Hill Wind Farm still running?

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

Arbor Hill Wind Farm

Arbor Hill Wind Farm is a 310 MW wind farm in Adair County, Iowa, operated by MidAmerican Energy Co. EIA-860M lists 2 generating units here, inside MISO. Its units entered service between 2018 and 2020.

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: 310 MW; 310 MW net summer
Generating units: 2
In service: 2018–2020
EIA plant ID: 62132

Where it is

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County: Adair County, Iowa
Coordinates: 41.4042, -94.2614
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 →

Arbor Hill Wind Farm: FAQ

Where is Arbor Hill Wind Farm?: In Adair 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 Arbor Hill Wind Farm?: 310 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Arbor Hill 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 Arbor Hill 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 "Arbor Hill 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 Arbor Hill Wind Farm still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.