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Southern Hills Wind Farm — renewablesinfo.org

Southern Hills Wind Farm — Plant Summary

EIA Plant ID: 63640
Capacity: 254.1 MW
Primary Fuel: Wind
Technology: Onshore Wind Turbine
Status: Operating
Location: Union, IA
Operating Since: 2021
Generators: 1
Operator: MidAmerican Energy Co
Parent Company: Berkshire Hathaway
Annual Generation: 814,400 MWh
Capacity Factor: 36.7%
Balancing Authority: Midcontinent Independent Transmission System Operator, Inc..
ISO/RTO: MISO
NERC Region: MRO

Search ExploreSouthern Hills Wind Farm

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Southern Hills Wind Farm

OperatingWind

Ranked #12 of 122 Wind plants in IA#158 of 1442 nationally

254.1 MW Wind operating in Union, IA — Midcontinent Independent Transmission System Operator, Inc..

EIAGEMWD

254.1 MW

Nameplate Capacity

1

Generators

unit

Onshore Wind Turbine

Technology

2021

Operating Since

Location

Coordinates

41.1280, -94.4202

County

Union, IA

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Orient Wind Farm
Wind500.8 MW · 9.7 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	MidAmerican Energy Co	MidAmerican Energy Co [100%]	—
Owner(s)	MidAmerican Energy Co	Berkshire Hathaway	—
Status	Operating	operating	—

Ownership Chain

About

Southern Hills Wind Farm is a 254.1 MW wind power plant located in Union County, Iowa. The facility began operating in 2021 and is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It utilizes a single generator comprised of onshore wind turbines. The plant is connected to the Midcontinent Independent Transmission System Operator (MISO) balancing authority and is within the MRO NERC region. Southern Hills Wind Farm ranks as the 12th largest wind farm in Iowa out of 54, and 155th nationally out of 734.

The wind farm's turbines are manufactured by Vestas, model V110-2.2, with a rotor diameter of 110 meters and a hub height of 95 meters. In its most recent year of operation, Southern Hills Wind Farm generated 814,400 MWh, achieving a capacity factor of 36.7%. The installed cost of the plant was $1,474.79 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

RE

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

80.9K MWh

Latest Month

814.4K MWh

Annual Generation

36.7%

Capacity Factor

Jan 2023 – Dec 2025

Financial DataBeta

Source: FERC Form 1HIGH

$1,484/kW

Installed Cost

MidAmerican Energy Company

Reporting Utility

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

MEDIUM confidence

Market Position

ISO/RTO Market

MISO

LMP Node

MEC.SOTHRNHL1

Pricing Hub

MINN.HUB

Location Type

Generation Node

Node Source

Curated node match

News & Articles (10)Beta

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

PacifiCorp, a utility owned by Berkshire Hathaway, is selling wind, natural gas generation and distribution assets and infrastructure in...

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

PacifiCorp, a utility owned by Berkshire Hathaway, is selling wind, natural gas generation and distribution assets and infrastructure in...

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

PacifiCorp, a utility owned by Berkshire Hathaway, is selling wind, natural gas generation and distribution assets and infrastructure in...

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion

PacifiCorp, a utility owned by Berkshire Hathaway, is selling wind, natural gas generation and distribution assets and infrastructure in...

Last updated 2026-03-14

View all 10 articles

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EIA Wikidata GEM