Datacenter Sites in Day County, South Dakota
Day County has 106 scored datacenter candidate sites averaging 49.9/100 DC Readiness, with a catalogued aggregate of 9,002 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
106
Candidate sites
49.9/100
Avg DC Readiness
9,002 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Day County
Yesno_income_tax
Datacenter tax incentive
7.96¢/kWh
Commercial electricity
8.45¢/kWh
Industrial electricity
3
Fiber providers
Low-Medium
Water stress
$3,549
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 Day County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 69.4 |
| GROTON | Substation-Adjacent | 345 kV | 600 MW | 1.0 yrs | 69.1 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 68.7 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 68.2 |
| TAP159546 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 68.2 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 67.9 |
| UNKNOWN159679 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 67.9 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 67.9 |
| UNKNOWN143512 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 67.6 |
| TAP143494 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 67.6 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 67.6 |
| Greenfield (GROTON - WATERTOWN) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 67.5 |
| TAP159680 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 67.4 |
| Greenfield (GROTON - WATERTOWN) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 66.7 |
| TAP159554 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 66.5 |
| Greenfield (GROTON - WATERTOWN) | Greenfield | 345 kV | 600 MW | 1.0 yrs | 65.8 |
| Greenfield (UNKNOWN175849 - ELLENDALE 345 ) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 65.3 |
| UNKNOWN131132 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 64.4 |
| TAP159553 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 63.3 |
| Greenfield (UNKNOWN131130 - TAP159553) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 63.2 |
| Greenfield (UNKNOWN131130 - TAP159553) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 63.2 |
| TAP159616 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 62.1 |
| UNKNOWN131133 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 61.9 |
| Greenfield (TAP159680 - TAP159691) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 61.6 |
| Greenfield (TAP159554 - TAP159616) | Greenfield | 115 kV | 100 MW | 1.0 yrs | 61.6 |
Day County datacenter FAQ
- How many datacenter sites are in Day County?
- 106 scored datacenter candidate sites, averaging 49.9/100 DC Readiness.
- Does Day 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 Day County?
- FEMA's National Risk Index rates Day County as "Relatively Low" (score 22).
- What are industrial electricity rates in Day County?
- Average industrial electricity is 8.45¢/kWh and commercial is 7.96¢/kWh in Day County.
Dataset updated . Screening estimates derived from public data sources.
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