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Location Segment Size Installed Installer / developer Marshalltown, IAMarshall County Commercial 25.9 kW Jan 1, 2022 1 Source Solar View → Marshalltown, IAMarshall County Utility-scale 3,400 kW Jan 1, 2020 — View → IAMarshall County County Utility-scale 1,210 kW Oct 1, 2018 — View →
Compiled from LBNL Tracking the Sun, state incentive programs and permit data. Coverage varies by jurisdiction — see each state page for completeness notes.
© 2026 Hyder Media · PanelCensus — The public census of America's solar installations & installers. Built from public records: LBNL Tracking the Sun, city permits, state programs and USGS/EIA utility-scale data. Methodology & data · Data coverage by state