Datacenter Sites in Grant County, South Dakota
Grant County has 31 scored datacenter candidate sites averaging 56.8/100 DC Readiness, with a catalogued aggregate of 8,400 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
31
Candidate sites
56.8/100
Avg DC Readiness
8,400 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Grant County
Yesno_income_tax
Datacenter tax incentive
7.33¢/kWh
Commercial electricity
—
Industrial electricity
5
Fiber providers
Low-Medium
Water stress
$4,207
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 Grant County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BIG STONE SOUTH | Substation-Adjacent | 345 kV | 600 MW | 1.0 yrs | 71.5 |
| UNKNOWN175846 | Substation-Adjacent | 345 kV | 600 MW | 1.0 yrs | 69.8 |
| BIG STONE | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 69.3 |
| UNKNOWN175855 | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 69.1 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 68.2 |
| Greenfield (BIG STONE SOUTH - UNKNOWN17584) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 65.1 |
| Greenfield (UNKNOWN175846 - BIG STONE SOUT) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 64.4 |
| Greenfield (BIG STONE SOUTH - UNKNOWN17584) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 64.2 |
| BLAIR | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 64.1 |
| Greenfield (BIG STONE - BLAIR) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 63.9 |
| Greenfield (BIG STONE - BLAIR) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 63.9 |
| Greenfield (BIG STONE SOUTH - UNKNOWN17584) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 63.8 |
| Greenfield (UNKNOWN175853 - UNKNOWN175855) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 63.6 |
| Greenfield (UNKNOWN175853 - UNKNOWN175855) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 63.2 |
| SUMMIT | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 62.8 |
| Greenfield (UNKNOWN175853 - UNKNOWN175855) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 62.7 |
| Greenfield (UNKNOWN131144 - BIG STONE) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 61.8 |
| Greenfield (UNKNOWN175846 - BIG STONE SOUT) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 61.1 |
| Greenfield (BIG STONE SOUTH - UNKNOWN17584) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 60.2 |
| Greenfield (SUMMIT - WATERTOWN) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 55.3 |
| Greenfield (SUMMIT - WATERTOWN) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 54.1 |
| Mine Site | Former Mine | — | — | — | 43.1 |
| Ottertail Power Co Property | Industrial | — | — | — | 43.0 |
| Former LaBolt School | Industrial | — | — | — | 42.1 |
| Mine Site | Former Mine | — | — | — | 42.0 |
Grant County datacenter FAQ
- How many datacenter sites are in Grant County?
- 31 scored datacenter candidate sites, averaging 56.8/100 DC Readiness.
- Does Grant 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 Grant County?
- FEMA's National Risk Index rates Grant County as "Relatively Low" (score 22).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Grant 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.