Datacenter Sites in Union County, South Dakota
Union County has 17 scored datacenter candidate sites averaging 62.6/100 DC Readiness, with a catalogued aggregate of 5,100 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
17
Candidate sites
62.6/100
Avg DC Readiness
5,100 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Union County
Yesno_income_tax
Datacenter tax incentive
8.26¢/kWh
Commercial electricity
5.99¢/kWh
Industrial electricity
10
Fiber providers
Low-Medium
Water stress
$7,151
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 Union County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN131330 | Substation-Adjacent | 230 kV | 300 MW | 3.3 yrs | 62.8 |
| TAP167963 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 59.7 |
| TAP167850 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 57.4 |
| UNKNOWN167848 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 57.0 |
| TAP161878 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 56.7 |
| Former Bosse Oil Company Property | Industrial | — | — | 3.3 yrs | 56.5 |
| TAP161875 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 56.4 |
| TAP161874 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 56.0 |
| TAP161876 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 56.0 |
| UNKNOWN161873 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 55.7 |
| UNKNOWN167847 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 54.9 |
| Mine Site | Former Mine | — | — | 3.3 yrs | 54.9 |
| TAP159926 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 54.7 |
| Mine Site | Former Mine | — | — | 3.3 yrs | 54.7 |
| TAP161870 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 54.7 |
| UNKNOWN161871 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 54.7 |
| UNKNOWN159932 | Substation-Adjacent | 69 kV | 50 MW | 3.3 yrs | 54.7 |
| Alcester Grain and Feed | Industrial | — | — | 3.3 yrs | 53.9 |
| Mine Site | Former Mine | — | — | 3.3 yrs | 53.7 |
| UNKNOWN159221 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 52.7 |
Union County datacenter FAQ
- How many datacenter sites are in Union County?
- 17 scored datacenter candidate sites, averaging 62.6/100 DC Readiness.
- Does Union 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 Union County?
- FEMA's National Risk Index rates Union County as "Relatively Low" (score 22).
- What are industrial electricity rates in Union County?
- Average industrial electricity is 5.99¢/kWh and commercial is 8.26¢/kWh in Union 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 Union 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.