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Gridcensus

Mine Site

Former Mine

Marathon County, Wisconsin · MISO

DC Readiness
51.0
Fair / 100

Mine Site is a former mine datacenter candidate site in Marathon County, Wisconsin, interconnecting through MISO. It screens at 51.0/100 DC Readiness and a 4.3 yrs average interconnection-queue wait.

Power & interconnection

UtilityWISCONSIN PUBLIC SERVICE CORPinvestor ownedfavorable to large load · terms ≥ 100 MW

Speed to power

Interconnection outlookModerate
≈ 4.9 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionMISO
Queue depth133
Avg queue wait4.3 yrs
Recent queue wait4.9 yrs
Completion rate18%
Withdrawal rate82%

Connectivity

Nearest IXP901 Commerce Dr
IXP distance31.2 mi
Fiber providers10
Fiber coverage66.5%

Site characteristics

Site typeFormer Mine
Former useMining: Stone; Status: Abandoned
Cleanup statusAbandoned

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score78/100

Location context

Nearest datacenter901 Commerce Dr
DC distance31.2 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity11.60¢/kWh
Industrial electricity7.90¢/kWh
Cooling degree days600
Heating degree days7,200
Land price / acre$5,576

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

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

Site location

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≥ 7560–7540–60≤ 40
This site + 8 nearby

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Full DC Readiness breakdown

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

Power availability20%
30
Speed to power20%
48
Fiber connectivity12%
58
Energy cost10%
50
Water risk7%
94
Natural hazard6%
78
Buildability7%
50
Labor market4%
50
DC cluster4%
40
Land / acreage3%
45
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
95

Nearby comparable sites

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

Sites near Mine Site
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN133208Substation-Adjacent345 kV600 MW4.3 yrs67.2
GARDNER PARKSubstation-Adjacent345 kV600 MW4.3 yrs65.4
EC Near WestonGreenfield——4.3 yrs61.5
STRATFORDSubstation-Adjacent115 kV100 MW4.3 yrs60.7
EC Near Domtar Paper Company RothschildGreenfield——4.3 yrs60.5
EC Near WestonGreenfield——4.3 yrs60.0
EC Near WestonGreenfield——4.3 yrs59.4
UNKNOWN171986Substation-Adjacent115 kV100 MW4.3 yrs58.9

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.

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