Former Mine site at 44.352, -103.765
Former MineLawrence County, South Dakota · SPP
At a glance
Former Mine site at 44.352, -103.765 is a former mine datacenter candidate site in Lawrence County, South Dakota, scoring 50.5/100 DC Readiness — 30th of 35 scored sites in the county. It sits in the SPP grid region and the BLACK HILLS POWER, INC. service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: No state corporate income tax; no personal income tax; no personal property tax.
Site location
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How does Former Mine site at 44.352, -103.765 compare with other sites in Lawrence County?
Former Mine site at 44.352, -103.765 ranks 30th of 35 scored candidate sites in Lawrence County. Its 50.5/100 is roughly in line with the county average of 54.1. It is roughly in line with the South Dakota average of 54.7 and roughly in line with the national average of 53.2.
Against the South Dakota average, its strongest sub-score is speed to power (55 vs 52) and its weakest is fiber connectivity (52 vs 68). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Former Mine site at 44.352, -103.765 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Golden West Rapid City Skyline Facility at 33.3 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Golden West Rapid City Skyline Facility, 33.3 miles away.
What are the flood, water and hazard risks at Former Mine site at 44.352, -103.765?
At the county level, FEMA's National Risk Index rates Lawrence County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Lawrence County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| LOOKOUT | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 61.2 |
| YELLOW CREEK | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 61.1 |
| UNKNOWN167712 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 58.5 |
| TAP167711 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 58.4 |
| TAP134829 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 58.0 |
| EC Coal Lawrence County | Greenfield | — | — | 4.3 yrs | 57.7 |
| SUNDANCE HILL | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| UNKNOWN131334 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 56.3 |
Former Mine site at 44.352, -103.765: common questions
What is the DC Readiness score of Former Mine site at 44.352, -103.765?
Former Mine site at 44.352, -103.765 scores 50.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 30th of 35 scored sites in Lawrence County. The Lawrence County average is 54.1 and the South Dakota average is 54.7.
Which electric utility serves Former Mine site at 44.352, -103.765?
BLACK HILLS POWER, INC. (investor owned) holds the retail service territory that contains the site; its holding company is BLACK HILLS POWER INC.
What grid region is Former Mine site at 44.352, -103.765 in?
Former Mine site at 44.352, -103.765 is in the SPP region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Former Mine site at 44.352, -103.765 from an internet exchange?
The nearest internet exchange facility is Golden West Rapid City Skyline Facility, about 33.3 miles away; 6 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Former Mine site at 44.352, -103.765, Lawrence County, SD”, https://gridcensus.com/datacenter-sites/south-dakota/lawrence-county/mine-site-ec0ab02e (data as of October 10, 2026).
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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