How big is Upland Prairie?

Upland Prairie reports 299.3 MW wind of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Upland Prairie?

Upland Prairie is a Onshore Wind Turbine facility in Clay County, IA, participating in the MISO market.

Where is Upland Prairie located?

Upland Prairie is in Clay County, IA, inside the MISO balancing area.

Who operates Upland Prairie?

Upland Prairie is operated by Interstate Power and Light Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Upland Prairie generate?

Upland Prairie reported 1,072.3 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Upland Prairie compare to other plants?

By capacity, Upland Prairie ranks #96 of 1,374 operating plants of the same technology nationally. It ranks #10 of 123 in IA.

Upland Prairie — 299 MW wind farm, Clay County, IA

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Upland Prairie — 299 MW wind farm, Clay County, IA · Ask the Grid

Generation and physical site

EIA plant 61564 · Inventory for Aug 2026.

Reported operating nameplate by technology

Wind: 299.3 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Upland Prairie
Generator	Technology	Status	Power (MW)	Energy (MWh)
1	Onshore Wind Turbine	Operating	299.3	Unknown

Physical map location · OpenStreetMap: 43.22136, -95.33733
Filed location · EIA: 43.20741, -95.34940

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 8, 2026
OSM last mapped edit: May 9, 2022
Map prepared: Oct 10, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
1	299.3 MW 299.3 MW summer	Onshore Wind Turbine Wind · WT	Mar 2019	Operating

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetEquipment

Parties and identifiers

OrganizationRoleBasis

Alliant EnergyParent companyparent_company

GE Renewable EnergyEquipment supplierequipment_supplier

Reporting portfolio

EIA reporting entity

Interstate Power and Light Co

Entity 9417

Operating portfolio

29 plants

1 states

Reported capacity

4,636 MW

Batteries · Conventional Steam Coal · Natural Gas Fired Combined Cycle

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Ottumwa	725.9 MW	IA
Marshalltown Generating Station	708.8 MW	IA
Emery Station	602.8 MW	IA
Upland PrairieCurrent	299.3 MW	IA
Burlington (IA)	290.8 MW	IA
Wever Solar (150MW)	249 MW	IA

Upland Prairie

Overview

Infrastructure record

Structured profile

Upland Prairie

Overview

Infrastructure record

Structured profile

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Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations