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Gridcensus

Mine Site

Former Mine

Butte County, South Dakota · SPP

DC Readiness
52.2
Fair / 100

Mine Site is a former mine datacenter candidate site in Butte County, South Dakota, interconnecting through SPP. It screens at 52.2/100 DC Readiness and a 3.3 yrs average interconnection-queue wait.

Power & interconnection

UtilityBLACK HILLS POWER, INC.investor ownedfavorable to large load · terms ≥ 50 MW

Speed to power

Interconnection outlookModerate
≈ 3.3 yrs typical interconnection wait

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

ISO / RTO regionSPP
Queue depth4
Avg queue wait3.3 yrs

Connectivity

Nearest IXPGolden West Rapid City Skyline Facility
IXP distance52.5 mi
Fiber providers4
Fiber coverage43.9%

Site characteristics

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

Risk & environment

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

Location context

Nearest datacenterGolden West Rapid City Skyline Facility
DC distance52.5 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (no_income_tax)
Commercial electricity13.13¢/kWh
Industrial electricity9.76¢/kWh
Cooling degree days700
Heating degree days7,300
Land price / acre$1,359

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: No state corporate income tax; no personal income tax; no personal property tax.

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%
58
Fiber connectivity12%
62
Energy cost10%
50
Water risk7%
76
Natural hazard6%
78
Buildability7%
50
Labor market4%
50
DC cluster4%
40
Land / acreage3%
52
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
90

Nearby comparable sites

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

Sites near Mine Site
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN167677Substation-Adjacent115 kV100 MW3.3 yrs58.2
UNKNOWN167680Substation-Adjacent115 kV100 MW3.3 yrs58.1
UNKNOWN131171Substation-Adjacent115 kV100 MW3.3 yrs56.6
Mine SiteFormer Mine——3.3 yrs52.3
415 5th Ave.Industrial——3.3 yrs52.2
Busfield Addition PropertyIndustrial——3.3 yrs52.2
Mine SiteFormer Mine——3.3 yrs51.0
Mine SiteFormer Mine——3.3 yrs49.5

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 Mine Site, Butte County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.