Brownfield Datacenter Sites in South Dakota
At a glance
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
Top brownfield sites in South Dakota
| Site | Type | County | Former use | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| Lake Preston | Brownfield | Kingsbury County | oil | — | 24 MW | 4.3 yrs | 60.0 |
| Redfield | Brownfield | Spink County | gas | — | 4 MW | 4.3 yrs | 58.7 |
| Future CT | Brownfield | Hyde County | gas | — | 56 MW | 4.3 yrs | 58.5 |
| Mobile Unit | Brownfield | Beadle County | oil | — | 4 MW | 4.3 yrs | 55.6 |
| Highmore | Brownfield | Hyde County | oil | — | 4 MW | 4.3 yrs | 54.8 |
| Webster IC | Brownfield | Day County | oil | — | 2 MW | 4.3 yrs | 48.7 |
How does South Dakota compare with other states for brownfield sites?
With 6 sites, South Dakota ranks 36th of the 49 states that have any brownfield candidate sites. California leads with 103. Nationally, brownfield sites average 57.5/100 DC Readiness, above the 53.0 average across all site types. Across every site type, South Dakota averages 54.7, the 19th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.3 years.
Where are the highest-scoring brownfield sites in South Dakota?
The top 6 range from 60.0 to 48.7 on the 0–100 DC Readiness Score. They are concentrated in Hyde County (2). By grid region, 4 are in SPP and 2 are in MISO.
County pages: Hyde County · Kingsbury County · Spink County · Beadle County
What power, fiber and flood exposure do these brownfield sites have?
Their counties have a median of 4 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 142 km. The median interconnection-queue wait in their markets is 4.3 years. 1 of the 6 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many brownfield datacenter sites are in South Dakota?
GridCensus catalogs 6 brownfield datacenter candidate sites in South Dakota, 0.8% of the national total for this type (36th of 49 states).
What is a brownfield datacenter site?
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
What is the best brownfield datacenter site in South Dakota?
By DC Readiness Score, Lake Preston in Kingsbury County ranks first at 60.0/100, followed by Redfield in Spink County at 58.7.
Which South Dakota counties have the best brownfield sites?
The top 6 brownfield sites in South Dakota are concentrated in Hyde County (2).
How does South Dakota score for datacenters overall?
All 1,151 scored sites in South Dakota average 54.7/100 DC Readiness, the 19th-highest of 52 states, against a national average of 53.0.
More on brownfield sites and South Dakota
Brownfield sites in other states
- Brownfield sites in California· 103 sites
- Brownfield sites in New Jersey· 52 sites
- Brownfield sites in New York· 48 sites
- Brownfield sites in Massachusetts· 44 sites
- Brownfield sites in Iowa· 38 sites
- Brownfield sites in Illinois· 33 sites
- Brownfield sites in Texas· 30 sites
- Brownfield sites in Ohio· 29 sites
Dataset updated . Screening estimates derived from public data sources.
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Brownfield datacenter sites in South Dakota”, https://gridcensus.com/site-types/brownfield/south-dakota (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Brownfield sites in South Dakota is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.