Mine Site

Former Mine

Custer County, South Dakota · SPP

DC Readiness
38.1
Limited / 100

Mine Site is a former mine datacenter candidate site in Custer County, South Dakota, interconnecting through SPP. It screens at 38.1/100 DC Readiness.

Power & interconnection

Speed to power

ISO / RTO regionSPP
Queue depth17

Connectivity

Nearest IXPGolden West Rapid City Skyline Facility
IXP distance31.5 mi

Site characteristics

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

Risk & environment

Water stress (WRI)Low-Medium
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score50/100

Location context

Nearest datacenterGolden West Rapid City Skyline Facility
DC distance31.5 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (no_income_tax)
Commercial electricity13.93¢/kWh
Industrial electricity15.68¢/kWh
Cooling degree days700
Heating degree days7,300
Land price / acre$1,832
See all datacenter sites in Custer County →

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

Full DC Readiness breakdown

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

Power availability20%
30
Speed to power15%
43
Fiber connectivity12%
14
Energy cost10%
50
Water risk8%
50
Natural hazard8%
50
Buildability7%
50
Labor market4%
50
DC cluster4%
40
Land / acreage3%
43
Construction cost3%
50
Gas pipeline2%
10
Tax incentive2%
0
Climate / cooling2%
50

Nearby comparable sites

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

Sites near Mine Site
SiteTypeVoltageCapacityQueue waitScore
Greenfield (UNKNOWN202528 - SOUTH RAPID CI)Greenfield230 kV300 MW1.0 yrs69.5
Greenfield (UNKNOWN202528 - SOUTH RAPID CI)Greenfield230 kV300 MW1.0 yrs68.1
Greenfield (UNKNOWN202528 - SOUTH RAPID CI)Greenfield230 kV300 MW1.0 yrs67.8
Greenfield (UNKNOWN202528 - SOUTH RAPID CI)Greenfield230 kV300 MW1.0 yrs66.1
Greenfield (UNKNOWN202528 - SOUTH RAPID CI)Greenfield230 kV300 MW1.0 yrs65.8
Greenfield (WAYSIDE - NEW UNDERWOOD)Greenfield230 kV300 MW1.0 yrs65.1
Greenfield (WAYSIDE - NEW UNDERWOOD)Greenfield230 kV300 MW1.0 yrs64.7
Greenfield (UNKNOWN202528 - SOUTH RAPID CI)Greenfield230 kV300 MW1.0 yrs64.2

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.

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This page shows a public slice of the GridCensus dataset for Mine Site, Custer 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.

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