Former Mine site at 43.556, -96.681
Former MineMinnehaha County, South Dakota · MISO
At a glance
Former Mine site at 43.556, -96.681 is a former mine datacenter candidate site in Minnehaha County, South Dakota, scoring 55.6/100 DC Readiness — 82nd of 95 scored sites in the county. It sits in the MISO grid region and the SIOUX VALLEY SW ELEC COOP 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 43.556, -96.681 compare with other sites in Minnehaha County?
Former Mine site at 43.556, -96.681 ranks 82nd of 95 scored candidate sites in Minnehaha County. Its 55.6/100 is roughly in line with the county average of 58.1. 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 fiber connectivity (92 vs 68) and its weakest is power availability (30 vs 39). 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 43.556, -96.681 to power, fiber and other datacenters?
The nearest located transmission bottleneck is Raun_Tekamho_161kV_ftlo_Raun_Ft_Cal_345kV (MISO), 86 miles away. For connectivity, the nearest internet exchange facility is TierPoint Sioux Falls - East at 3.3 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is TierPoint Sioux Falls - East, 3.3 miles away.
What are the flood, water and hazard risks at Former Mine site at 43.556, -96.681?
At the county level, FEMA's National Risk Index rates Minnehaha 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 Minnehaha County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SPLIT ROCK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.7 |
| SIOUX FALLS | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 66.6 |
| EC Near Pathfinder | Greenfield | — | — | 4.3 yrs | 63.7 |
| OZ Minnehaha | Greenfield | — | — | 4.3 yrs | 63.5 |
| UNKNOWN131292 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 62.6 |
| EC Near Pathfinder | Greenfield | — | — | 4.3 yrs | 62.5 |
| UNKNOWN158869 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 62.5 |
| UNKNOWN131288 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 62.4 |
Former Mine site at 43.556, -96.681: common questions
What is the DC Readiness score of Former Mine site at 43.556, -96.681?
Former Mine site at 43.556, -96.681 scores 55.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 82nd of 95 scored sites in Minnehaha County. The Minnehaha County average is 58.1 and the South Dakota average is 54.7.
Which electric utility serves Former Mine site at 43.556, -96.681?
SIOUX VALLEY SW ELEC COOP (cooperative) holds the retail service territory that contains the site.
What grid region is Former Mine site at 43.556, -96.681 in?
Former Mine site at 43.556, -96.681 is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Former Mine site at 43.556, -96.681 from an internet exchange?
The nearest internet exchange facility is TierPoint Sioux Falls - East, about 3.3 miles away; 8 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 43.556, -96.681, Minnehaha County, SD”, https://gridcensus.com/datacenter-sites/south-dakota/minnehaha-county/mine-site-7012e906 (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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