Grinnell

Brownfield

Poweshiek, Iowa · MISO

DC Readiness
61.4
Good / 100

Grinnell is a brownfield datacenter candidate site in Poweshiek, Iowa, interconnecting through MISO. It screens at 61.4/100 DC Readiness with a catalogued 48 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.

Power & interconnection

Available capacity48 MW
LMP zoneMISO_MINN
Wholesale LMP$34.82/MWh
Utility commercial rate0.11¢/kWh

Speed to power

ISO / RTO regionMISO
Queue depth21
Avg queue wait1.4 yrs
Recent queue wait1.4 yrs
Completion rate18%
Withdrawal rate82%

Connectivity

Nearest IXPLightEdge Des Moines 1 (DSM1)
IXP distance36.9 mi
Fiber providers9
Fiber coverage72.7%
Nearest cloud providerAzure
Nearest cloud regioncentralus
Cloud region distance19.9 mi

Site characteristics

Site typeBrownfield
Parcel ownerInterstate Power and Light Co
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity
Former usegas
Existing capacity48 MW
Retirement date2017-08-01

Risk & environment

Flood zoneZone X
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteMIRACLE RECREATION EQUIPMENT COMPANY FORMER SITE OF
Hazard sub-score60/100
Construction cost index97.3 (avg 100)

Location context

Nearest datacenterLightedge Des Moines 1
DC distance36.9 mi
Nearest rail1.5 mi
Nearest gas pipeline0.8 mi
Nearest fiber route35.3 mi
County hazard (FEMA NRI)Relatively Moderate (30)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity11.13¢/kWh
Industrial electricity7.15¢/kWh
Cooling degree days900
Heating degree days6,500
Land price / acre$8,752

Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
28
Speed to power15%
45
Fiber connectivity12%
69
Energy cost10%
85
Water risk8%
90
Natural hazard8%
60
Buildability7%
100
Labor market4%
50
DC cluster4%
55
Land / acreage3%
50
Construction cost3%
69
Gas pipeline2%
98
Tax incentive2%
100
Climate / cooling2%
80

Nearby comparable sites

Other scored datacenter candidate sites in Poweshiek, ranked by DC Readiness.

Sites near Grinnell
SiteTypeVoltageCapacityQueue waitScore
Greenfield (MONTEZUMA SWITCHING STATION - )Greenfield345 kV600 MW1.4 yrs66.3
Greenfield (MONTEZUMA SWITCHING STATION - )Greenfield345 kV600 MW1.4 yrs66.2
UNKNOWN131599Substation-Adjacent161 kV100 MW1.4 yrs66.1
UNKNOWN131600Substation-Adjacent161 kV100 MW1.4 yrs65.8
Greenfield (MONTEZUMA SWITCHING STATION - )Greenfield345 kV600 MW1.4 yrs65.2
EC Near GrinnellGreenfield1.4 yrs62.8
EC Near BrooklynGreenfield1.4 yrs62.7
EC Near GrinnellGreenfield1.4 yrs61.8

Dataset updated . Screening estimates derived from public data sources.

Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for Grinnell, Poweshiek. 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.