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199.7 MW Wind operating in Franklin, IA — Midcontinent Independent Transmission System Operator, Inc..
199.7 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2009
Operating Since
Coordinates
42.6305, -93.2064
County
Franklin, IA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Interstate Power and Light Co | Alliant Energy | — |
| Owner(s) | Interstate Power and Light Co | Alliant Energy | — |
| Status | Operating | operating | — |
The Whispering Willow Wind Farm – East in Franklin County, Iowa, USA, has a capacity of 200 megawatts (MW) and was completed in 2009. It consists of 121 wind turbines spread out over roughly 140 square kilometres (54 sq mi). Construction of the wind farm began in 2008.
Read more on WikipediaWhispering Willow Wind Farm - East is a 199.7 MW wind power facility located in Franklin County, Iowa. The plant, which began operating in 2009, utilizes a single generator consisting of multiple onshore wind turbines. The facility is owned by Alliant Energy and operated by Interstate Power and Light Co. The wind farm connects to the grid within the Midcontinent Independent Transmission System Operator (MISO) balancing authority.
The facility's wind turbines have a hub height of 80 meters and a rotor diameter of 82 meters. The turbines were manufactured by Vestas and are model V82-1.65. In the most recent year of reported data, the plant generated 425,170 MWh, achieving a capacity factor of 24.3%. The installed cost of the facility was $2,266.55 per kW, according to FERC data. Whispering Willow Wind Farm - East ranks as the 29th largest wind farm in Iowa out of 54, and 354th nationally out of 734.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
43.4K MWh
Latest Month
425.2K MWh
Annual Generation
24.3%
Capacity Factor
Wind · Interstate Power and Light Company · Data from 2015–2024
$2,281/kW
Installed Cost
$9/kW
Annual CapEx
$7.6/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Whispering Willow Wind Farm - East · 161 kV
Substation Distance
< 10 km
Operator
Alliant Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
ALTW.WHISPERWI
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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