Arbor Hill Wind Farm — renewablesinfo.org

Arbor Hill Wind Farm — Plant Summary

EIA Plant ID: 62132
Capacity: 310 MW
Primary Fuel: Wind
Technology: Onshore Wind Turbine
Status: Operating
Location: Adair, IA
Operating Since: 2018
Generators: 2
Operator: MidAmerican Energy Co
Parent Company: Berkshire Hathaway
Annual Generation: 1,148,002 MWh
Capacity Factor: 42.4%
Balancing Authority: Midcontinent Independent Transmission System Operator, Inc..
ISO/RTO: MISO
NERC Region: MRO

Search ExploreArbor Hill Wind Farm

Arbor Hill Wind Farm

OperatingWind

Ranked #7 of 122 Wind plants in IA#68 of 1442 nationally

310 MW Wind operating in Adair, IA — Midcontinent Independent Transmission System Operator, Inc..

EIAGEMWD

310 MW

Nameplate Capacity

Generators

units

Onshore Wind Turbine

Technology

2018

Operating Since

Location

Coordinates

41.4499, -94.3288

County

Adair, IA

Nearby Plants

Wind GEM
Wind1.9 MW · 2.4 km
Arbor Hill Solar
Solar25 MW · 4.6 km
Gilliam South
Distillate Oil4.3 MW · 5.1 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

Arbor Hill Wind Farm is a 310 MW wind power plant located in Adair County, Iowa. The facility began operating in 2018 and is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. The plant utilizes two onshore wind turbines manufactured by Vestas, model V110-2.0, with a rotor diameter of 110 meters and a hub height of 95 meters. Arbor Hill Wind Farm is connected to the Midcontinent Independent Transmission System Operator (MISO) and falls within the MRO NERC region.

The plant's latest annual generation was 1,148,002 MWh, achieving a capacity factor of 42.4%. Arbor Hill Wind Farm is the 7th largest wind farm in Iowa out of 54, and ranks 67th nationally out of 734 wind facilities. The installed cost of the plant was $1525.87 per kW, according to FERC data.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

MRO

Balancing Authority

Midcontinent Independent Transmission System Operator, Inc..

Grid Voltage

345 kV

Regulatory Status

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

119.7K MWh

Latest Month

1.1M MWh

Annual Generation

42.4%

Capacity Factor

Jan 2023 – Dec 2025

Financial DataBeta

Source: FERC Form 1HIGH

$1,539/kW

Installed Cost

MidAmerican Energy Company

Reporting Utility

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

HIGH confidence

Point of Interconnection

Nearest Substation

Arbor Hill Substation · 345 kV

Substation Distance

< 10 km

Operator

MidAmerican Energy

Coord Source

OSM spatial

Market Position

ISO/RTO Market

MISO

LMP Node

MEC.ARBORHL1

Pricing Hub

MINN.HUB

Location Type

Generation Node

Node Source

EIA-860 direct report

News & Articles (4)Beta

Hazards·wildfire

Red Flag Warning: Sac; Calhoun; Crawford; Carroll; Greene; Boone; Audubon; Guthrie; Dallas; Polk; Cass; Adair; Madison

Red Flag Warning issued March 21 at 9:44AM CDT until March 21 at 10:00PM CDT by NWS Des Moines IA

NWS Des Moines IA (other)

NWS Des Moines IA·5 days ago

Hazards·tornado

This week's storms cause 'widespread, significant' farm damage in Iowa, topple 10 turbines

Iowa farmers are reporting “widespread, significant damage” to homes, outbuildings and grain bins after storms tore through the state Tuesday.

Iowa (other)

The Des Moines Register·1 years ago

Hazards·wildfire

Wind Power Doesn’t Make Sense: “An Extremely Rare Occurrence”

A wind turbine motor made by Vestas caught fire at MidAmerican's Diamond Trail Wind Farm in Iowa. Dramatic photos of the blaze taken by the local fire...

Vestas (other)MidAmerican (operator)

Capital Research Center·1 years ago