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Whispering Willow North — renewablesinfo.org

Whispering Willow North — Plant Summary

EIA Plant ID: 62079
Capacity: 201.3 MW
Primary Fuel: Wind
Technology: Onshore Wind Turbine
Status: Operating
Location: Franklin, IA
Operating Since: 2020
Generators: 1
Operator: Interstate Power and Light Co
Parent Company: Alliant Energy
Annual Generation: 733,862 MWh
Capacity Factor: 41.7%
Balancing Authority: Midcontinent Independent Transmission System Operator, Inc..
ISO/RTO: MISO
NERC Region: MRO

Search ExploreWhispering Willow North

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Whispering Willow North

OperatingWind

Ranked #23 of 122 Wind plants in IA#281 of 1442 nationally

201.3 MW Wind operating in Franklin, IA — Midcontinent Independent Transmission System Operator, Inc..

EIAWD

201.3 MW

Nameplate Capacity

1

Generators

unit

Onshore Wind Turbine

Technology

2020

Operating Since

Location

Coordinates

42.7750, -93.4181

County

Franklin, IA

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Phoenix Investors, LLC
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Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Interstate Power and Light Co	Interstate Power and Light	—
Owner(s)	Interstate Power and Light Co	Alliant Energy	—
Status	Operating	—	—

Ownership Chain

About

Whispering Willow North is a 201.3 MW wind power plant located in Franklin County, Iowa. The facility began operating in 2020 and is owned by Alliant Energy and operated by Interstate Power and Light Co. It consists of a single generator utilizing onshore wind turbine technology. The plant is connected to the Midcontinent Independent Transmission System Operator (MISO) balancing authority.

The plant's primary fuel source is wind (WND). Its wind turbines have a hub height of 89 meters and a rotor diameter of 127 meters. The turbines were manufactured by GE Wind, model GE2.5-127. In its most recent year of operation, Whispering Willow North generated 733,862 MWh, achieving a capacity factor of 41.7%. The plant ranks 23rd out of 54 wind facilities in Iowa, and 275th out of 734 nationally. The installed cost was $1763.12 per kW, according to FERC data.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

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

78.1K MWh

Latest Month

733.9K MWh

Annual Generation

41.7%

Capacity Factor

Jan 2023 – Dec 2025

Financial DataBeta

Source: FERC Form 1HIGH

$1,847/kW

Installed Cost

$3.3/MWh

Operating Cost

Interstate Power and Light Company

Reporting Utility

Annual Capital & Operating Expenses

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

HIGH confidence

Point of Interconnection

Nearest Substation

Jerry L. Plagge Collector Substation · 345 kV

Substation Distance

< 10 km

Operator

Alliant Energy

Coord Source

OSM spatial

Market Position

ISO/RTO Market

MISO

LMP Node

ALTW.WWNORTH

Pricing Hub

MINN.HUB

Location Type

Generation Node

Node Source

EIA-860 direct report

News & Articles (10)Beta

Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa

Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa

Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.

The Business Download |·2 weeks ago

Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa

Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa

Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.

Alliant Energy (operator)Iowa (other)

The Business Download |·2 weeks ago

Alliant Energy battery project in Sheboygan underway after delays

Alliant Energy battery project in Sheboygan underway after delays

Alliant Energy's 99-MW battery storage project in Sheboygan faces delays but could be online by year's end, boosting clean energy capacity.

Finance & Commerce·4 weeks ago

Alliant Energy battery project in Sheboygan underway after delays

Alliant Energy battery project in Sheboygan underway after delays

Alliant Energy's 99-MW battery storage project in Sheboygan faces delays but could be online by year's end, boosting clean energy capacity.

Finance & Commerce·4 weeks ago

Last updated 2026-03-26

View all 10 articles

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