Iowa County, Wisconsin · MISO

DC Readiness
60.7
Good / 100

SPRING GREEN is a substation-adjacent datacenter candidate site in Iowa County, Wisconsin, interconnecting through MISO. It screens at 60.7/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationSPRING GREEN
Substation distance0.0 mi
Substation voltage138 kV
Available capacity100 MW
LMP zoneMISO_ILLINOIS
Wholesale LMP$33.26/MWh
Utility commercial rate0.14¢/kWh

Speed to power

ISO / RTO regionMISO
Queue depth41
Avg queue wait1.4 yrs
Recent queue wait1.4 yrs
Completion rate18%
Withdrawal rate82%

Connectivity

Nearest IXPSupraNet Communications Madison
IXP distance29.1 mi
Fiber providers7
Fiber coverage38.0%
Nearest cloud providerAzure
Nearest cloud regionnorthcentralus
Cloud region distance153.4 mi

Site characteristics

Parcel ownerAMERICAN TRANSMISSION CO
Land owner typeprivate
Buildability20.0/100
Land cover (NLCD)Emergent Herbaceous Wetlands

Risk & environment

Flood zoneZone AE (SFHA)
Water stress (WRI)0.30
Wetlands (NWI)Present
Critical habitatPresent
Superfund nearbyClear
Hazard sub-score33/100
Construction cost index79.9 (avg 100)

Location context

Nearest datacenterSupraNet Communications Madison
DC distance29.1 mi
Nearest rail1.5 mi
Nearest gas pipeline3.8 mi
Nearest fiber route35.8 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity13.59¢/kWh
Industrial electricity9.44¢/kWh
Cooling degree days600
Heating degree days7,200
Land price / acre$6,393

Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.

Full DC Readiness breakdown

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

Power availability20%
58
Speed to power15%
47
Fiber connectivity12%
62
Energy cost10%
85
Water risk8%
94
Natural hazard8%
33
Buildability7%
20
Labor market4%
50
DC cluster4%
65
Land / acreage3%
60
Construction cost3%
83
Gas pipeline2%
88
Tax incentive2%
100
Climate / cooling2%
95

Nearby comparable sites

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

Sites near SPRING GREEN
SiteTypeVoltageCapacityQueue waitScore
WYOMING VALLEYSubstation-Adjacent138 kV100 MW1.4 yrs69.2
WYOMING VALLEYSubstation-Adjacent138 kV100 MW1.4 yrs67.3
EDENSubstation-Adjacent138 kV100 MW1.4 yrs63.7
Greenfield (WYOMING VALLEY - EDEN)Greenfield138 kV100 MW1.4 yrs61.2
Greenfield (TAP138067 - SPRING GREEN)Greenfield138 kV100 MW1.4 yrs59.0
Greenfield (WYOMING VALLEY - EDEN)Greenfield138 kV100 MW1.4 yrs56.2

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 SPRING GREEN, Iowa County. 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.