Sutherland

Brownfield

Marshalltown, Marshall, Iowa · Interstate Power and Light Co

Legacy capacity
157
MW

Sutherland is a natural gas plant in Marshalltown, Marshall, Iowa, retired 2017-06-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 157 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 usenatural gas plant
Site typeretired_plant
Existing capacity157 MW
Retirement date2017-06-01
EIA plant ID#1077

Grid hookup & remediation

Nearest substation0.2 mi
OperatorInterstate Power and Light Co
Operator address3001 E. Main St Rd, Marshalltown, IA, 50158
Why this site is datacenter-attractive: a natural gas plant 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 datacenter candidate sites

Scored candidate sites near Sutherland, ranked by DC Readiness.

Candidate sites near Sutherland
SiteTypeStateCountyVoltageCapacityQueue waitScore
UNKNOWN131595Substation-AdjacentIAJasper County161 kV100 MW1.4 yrs71.1
UNKNOWN160010Substation-AdjacentIAMarshall County161 kV100 MW1.4 yrs70.2
JASPERSubstation-AdjacentIAJasper County161 kV100 MW1.4 yrs69.4
Greenfield (MONTEZUMA SWITCHING STATION - )GreenfieldIAJasper County345 kV600 MW1.4 yrs67.8
UNKNOWN132118Substation-AdjacentIAMarshall County161 kV100 MW1.4 yrs67.8
TRAERSubstation-AdjacentIATama County161 kV100 MW1.4 yrs67.6
UNKNOWN137975Substation-AdjacentIATama County161 kV100 MW1.4 yrs66.8
UNKNOWN130757Substation-AdjacentIAGrundy County161 kV100 MW1.4 yrs65.9

Nearby internet exchanges

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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 Sutherland, Marshalltown, Marshall, Iowa. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.