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Upland Prairie

Wind power plant · Clay County, Iowa

Nameplate capacity
299 MW
Rank in Iowa
#18
of 305 plants
In service since
2019
March 2019

Details

Primary fuel
Wind
Technology
Onshore Wind Turbine
Operator
Interstate Power and Light Co
County
Clay County
Generating units
1
Share of state capacity
1.20%
Rank among wind plants in Iowa
#10 of 123
EIA plant code
61564

Generating units

Individual generating units at Upland Prairie
UnitTechnologyNameplateSummerOnlineStatus
1Onshore Wind Turbine299 MW299 MW2019Operating

Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.

Similarly sized plants in Iowa

About this data

From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 299 MW solar plant and a 299 MW nuclear plant have the same entry here and produce very different amounts of electricity.

“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Iowa power plants · What Iowa actually generates