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Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

Home / Iowa / Power Plants / Marshalltown Generating Station

Marshalltown Generating Station

Interstate Power and Light Co · Iowa

Nameplate capacity
708.8 MW
Generators
5
Rank in IA
#4

Technology & fuel

Primary technology: Natural Gas Fired Combined Cycle

All technologies on site: Batteries, Natural Gas Fired Combined Cycle, Solar Photovoltaic

Energy sources: Electricity used for energy storage, Natural Gas, Solar

Source: U.S. Energy Information Administration, Forms EIA-860/EIA-860M — currently operating generators at this plant, aggregated. Capacity is nameplate (rated maximum), not actual output.

Marshalltown Generating Station Power Plant — IA | EnergyAtlasUSA