Datacenter Sites in Union County, South Dakota

Union County has 17 scored datacenter candidate sites averaging 59.8/100 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
59.8/100
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
9
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

Top datacenter sites in Union County
SiteTypeVoltageCapacityQueue waitScore
Greenfield (SIOUX CITY - SPLIT ROCK)Greenfield345 kV600 MW1.0 yrs69.2
Greenfield (SIOUX CITY - SPLIT ROCK)Greenfield345 kV600 MW1.0 yrs68.9
Greenfield (SIOUX CITY - SPLIT ROCK)Greenfield345 kV600 MW1.0 yrs67.9
Greenfield (UNKNOWN130487 - UNKNOWN131330)Greenfield230 kV300 MW1.0 yrs67.5
Greenfield (UNKNOWN130487 - UNKNOWN131330)Greenfield230 kV300 MW1.0 yrs67.5
Greenfield (SIOUX CITY - SPLIT ROCK)Greenfield345 kV600 MW1.0 yrs67.3
Greenfield (UNKNOWN130487 - UTICA JUNCTION)Greenfield230 kV300 MW1.0 yrs67.1
Greenfield (SIOUX CITY - SPLIT ROCK)Greenfield345 kV600 MW1.0 yrs66.4
Greenfield (UNKNOWN130487 - UTICA JUNCTION)Greenfield230 kV300 MW1.0 yrs65.6
Greenfield (UNKNOWN130487 - UTICA JUNCTION)Greenfield230 kV300 MW1.0 yrs65.2
Greenfield (UNKNOWN130487 - UTICA JUNCTION)Greenfield230 kV300 MW1.0 yrs65.0
Greenfield (UNKNOWN131330 - UTICA JUNCTION)Greenfield230 kV300 MW1.0 yrs63.5
Former Bosse Oil Company PropertyIndustrial44.9
Mine SiteFormer Mine43.2
Mine SiteFormer Mine43.1
Alcester Grain and FeedIndustrial42.3
Mine SiteFormer Mine42.1

Union County datacenter FAQ

How many datacenter sites are in Union County?
17 scored datacenter candidate sites, averaging 59.8/100 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.

Go deeper than the public screen

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.