WindOperatingMISO

Franklin County Wind Farm

Wind power plant in Franklin County, Iowa. 99 MW of nameplate capacity across 1 generator, operated by Interstate Power and Light Co.

Also known as Franklin County · EIA plant 57844

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Whispering Willow Win…Leonardo Wind 1 LLCHampton Substation Energy StorageFranklin County SolarWhispering Willow NorthCenturyFranklin County Wind Farm10 km
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6 plants within 25 km, from EIA coordinates.

Key facts

Capacity
99 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
December 2012First generator online
Operator
Interstate Power and Light CoEIA operator ID 9417
Grid
MISOBalancing authority MISO
Price nodes
1 MISO nodeResource nodes with prices
Location
Franklin County, IA42.6067, −93.3364
EIA plant ID
57844EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Franklin County Wind Farm produces

Free · EIA-923

Net generation, 2025

271 GWh

270,522 MWh, final

Capacity factor, 2025

31.2%

2024: 21.9%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

190.7–306.8

GWh a year. Low 2024, high 2018

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
201210,909Not reported1 of 12
2013219,00525.0%12 of 12
2014221,965Not reported12 of 12
2015251,01928.9%12 of 12
2016257,19229.6%12 of 12
2017224,72725.9%12 of 12
2018306,84935.4%12 of 12
2019302,87934.9%12 of 12
2020235,60127.1%12 of 12
2021206,15323.8%12 of 12
2022300,97334.7%12 of 12
2023236,19827.2%12 of 12
2024190,73921.9%12 of 12
2025270,52231.2%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · MISO

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Onshore Wind Turbine99.0December 2012

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Interstate Power and Light Co as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

Analyst and MCP

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Power plants near Franklin County Wind Farm

More plants operated by Interstate Power and Light Co

Questions about Franklin County Wind Farm

How much power does Franklin County Wind Farm produce?

Franklin County Wind Farm reported 270,522 MWh (271 GWh) of net generation in 2025, a 31.2% capacity factor on 99 MW of nameplate capacity.

Where is Franklin County Wind Farm?

Franklin County Wind Farm is in Franklin County, Iowa, at 42.6067, −93.3365. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).

Who operates Franklin County Wind Farm?

EIA-860M for August 2026 lists Interstate Power and Light Co as the operator (EIA operator ID 9417). The operator is not always the owner.

When did Franklin County Wind Farm start operating?

Its first generator began operating in December 2012, according to EIA-860M.

Does InfraMap have power prices for Franklin County Wind Farm?

Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Franklin County Wind Farm, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Project names from the USGS U.S. Wind Turbine Database

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page