Grant, Wisconsin · MISO

DC Readiness
68.0
Good / 100

POTOSI is a substation-adjacent datacenter candidate site in Grant, Wisconsin, interconnecting through MISO. It screens at 68.0/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationPOTOSI
Substation distance0.0 mi
Substation voltage138 kV
Available capacity100 MW
LMP zoneMISO_MINN
Wholesale LMP$34.82/MWh
Utility commercial rate0.15¢/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 IXPUSSHC
IXP distance36.0 mi
Fiber providers10
Fiber coverage55.8%
Nearest cloud providerAzure
Nearest cloud regioncentralus
Cloud region distance135.5 mi

Site characteristics

Parcel ownerAMERICAN TRANSMISSION CO
Land owner typeprivate
Buildability75.0/100
Land cover (NLCD)Pasture/Hay

Risk & environment

Flood zoneZone X
Water stress (WRI)0.30
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyClear
Hazard sub-score78/100
Construction cost index72.2 (avg 100)

Location context

Nearest datacenterUSSHC
DC distance36.0 mi
Nearest rail3.8 mi
Nearest gas pipeline7.1 mi
Nearest fiber route70.6 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity14.81¢/kWh
Industrial electricity10.35¢/kWh
Cooling degree days600
Heating degree days7,200
Land price / acre$6,306

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%
53
Fiber connectivity12%
63
Energy cost10%
85
Water risk8%
94
Natural hazard8%
78
Buildability7%
75
Labor market4%
50
DC cluster4%
45
Land / acreage3%
45
Construction cost3%
90
Gas pipeline2%
77
Tax incentive2%
100
Climate / cooling2%
95

Nearby comparable sites

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

Sites near POTOSI
SiteTypeVoltageCapacityQueue waitScore
TAP136965Substation-Adjacent138 kV100 MW1.4 yrs68.2
LANCASTERSubstation-Adjacent138 kV100 MW1.4 yrs67.6
HILLMANSubstation-Adjacent138 kV100 MW1.4 yrs67.5
NELSON DEWEY SW YDSubstation-Adjacent161 kV100 MW1.4 yrs65.2
Greenfield (NELSON DEWEY SW YD - GRAN GRAE)Greenfield161 kV100 MW1.4 yrs63.2
EC Near Nelson Dewey Generating StationGreenfield1.4 yrs61.7
EC Coal Grant CountyGreenfield1.4 yrs61.3
EC Coal Grant CountyGreenfield1.4 yrs61.0

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 POTOSI, Grant. 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.