Datacenter Sites in Clark County, South Dakota
Clark County has 18 scored datacenter candidate sites averaging 61.8/100 DC Readiness, with a catalogued aggregate of 4,500 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
18
Candidate sites
61.8/100
Avg DC Readiness
4,500 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Clark County
Yesno_income_tax
Datacenter tax incentive
9.86¢/kWh
Commercial electricity
8.45¢/kWh
Industrial electricity
3
Fiber providers
Low-Medium
Water stress
$4,741
Land price / acre
700
Cooling degree days
7,300
Heating degree days
45°F
Mean annual temp
Incentive detail: No state corporate income tax; no personal income tax; no personal property tax.
By site type
Top datacenter sites in Clark County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN159689 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 66.8 |
| UNKNOWN159684 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 66.6 |
| UNKNOWN159687 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 66.5 |
| Greenfield (GROTON - WATERTOWN) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 66.3 |
| TAP159691 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 66.2 |
| TAP159686 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 65.7 |
| UNKNOWN131209 | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 65.4 |
| Greenfield (UNKNOWN131209 - WATERTOWN) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 65.4 |
| Greenfield (GROTON - WATERTOWN) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 64.9 |
| Greenfield (UNKNOWN131209 - WATERTOWN) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.8 |
| Greenfield (UNKNOWN131209 - WATERTOWN) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.3 |
| Greenfield (GROTON - WATERTOWN) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 64.1 |
| Greenfield (UNKNOWN131209 - WATERTOWN) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 63.7 |
| Greenfield (UNKNOWN131209 - WATERTOWN) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 62.8 |
| Greenfield (TAP159686 - TAP159691) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 60.7 |
| Greenfield (UNKNOWN131209 - WATERTOWN) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 59.6 |
| Mine Site | Former Mine | — | — | — | 41.4 |
| Mine Site | Former Mine | — | — | — | 37.3 |
Clark County datacenter FAQ
- How many datacenter sites are in Clark County?
- 18 scored datacenter candidate sites, averaging 61.8/100 DC Readiness.
- Does Clark County offer datacenter tax incentives?
- No state corporate income tax; no personal income tax; no personal property tax.
- What is the natural-hazard risk in Clark County?
- FEMA's National Risk Index rates Clark County as "Relatively Low" (score 22).
- What are industrial electricity rates in Clark County?
- Average industrial electricity is 8.45¢/kWh and commercial is 9.86¢/kWh in Clark County.
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for Clark County, South Dakota. 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.