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Gridcensus

Marshall County Landfill Solar

Brownfield

Marshalltown, Iowa

Legacy capacity
0
MW

Marshall County Landfill Solar is a former landfill site in Marshalltown, Iowa. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 0 MW of generation, so the grid hookup, transmission rights, and often cooling-water access are already in place — collapsing the speed-to-power timeline versus a greenfield build.

Former use & capacity

Former useformer landfill site
Site typeepa_brownfield
Existing capacity0 MW
Acreage420 ac

Grid hookup & remediation

Nearest substation0.7 mi
Cleanup statuscleanup_complete
Why this site is datacenter-attractive: a former landfill site of this scale leaves behind a high-capacity grid interconnection that a new load can re-use, frequently shaving years off the interconnection queue. Retired-plant sites also tend to be already zoned for heavy industrial use with established road, rail, and water infrastructure.

Nearby brownfield & retired-generation sites

A proximity screen of other retired-plant, contaminated, and EPA-flagged sites near Marshall County Landfill Solar — the environmental neighborhood, ranked by legacy grid capacity.

SiteFormer useLegacy MWDistanceCleanup status
Sutherlandnatural gas plant1572.6 mi—
Grinnellnatural gas plant4821.1 mi—

Derived from GridCensus's retired-generator & EPA brownfield dataset. Not a substitute for an ASTM E1527 Phase I environmental radius report.

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Nearby datacenter candidate sites

Scored candidate sites near Marshall County Landfill Solar, ranked by DC Readiness.

Candidate sites near Marshall County Landfill Solar
SiteTypeStateCountyVoltageCapacityQueue waitScore
Marshall County Landfill SolarBrownfieldIAMarshall—0 MW2.8 yrs64.9
SutherlandBrownfieldIAMarshall County—157 MW1.4 yrs63.3
EC Near SutherlandGreenfieldIAMarshall——1.4 yrs61.4
EC Near GrinnellGreenfieldIAPoweshiek——1.4 yrs60.6
EC Near BrooklynGreenfieldIAPoweshiek——1.4 yrs60.6
GrinnellBrownfieldIAPoweshiek County—48 MW1.4 yrs60.1
EC Coal Marshall CountyGreenfieldIAMarshall County——1.4 yrs60.1
EC Near SutherlandGreenfieldIAMarshall——1.4 yrs60.0

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Dataset updated . Screening estimates derived from public data sources.

Brownfield attributes are derived from EIA retired-generator and EPA public data. Existing capacity reflects the retired plant's historical nameplate, not deliverable interconnection for a new load. Confirm reusable interconnection rights, remediation status, and site availability with the utility, ISO, and current owner.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for Marshall County Landfill Solar, Marshalltown, Iowa. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.