Datacenter Sites in South Dakota
South Dakota has 1,151 scored datacenter candidate sites averaging 57.2/100 DC Readiness. Substation-Adjacent parcels lead the inventory (477 sites). Most sites interconnect through SPP. The state's candidate sites carry a catalogued aggregate of 48.0k MW and average a 3.1 yrs interconnection-queue wait.
1,151
Candidate sites
57.2/100
Avg DC Readiness
48.0k MW
Catalogued capacity
theoretical aggregate
3.1 yrs
Avg queue wait
By site type
Average sub-score profile
How South Dakota's candidate sites score on each DC Readiness dimension (0–100 average).
Power availability
39.1
Speed-to-power
58.6
Fiber
68.3
Water
76.0
Hazard resilience
77.1
Top 25 datacenter sites in South Dakota
Ranked by DC Readiness.
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| SPLIT ROCK | Substation-Adjacent | Minnehaha County | 345 kV | 600 MW | 3.3 yrs | 70.5 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 70.1 |
| OZ Yankton | Greenfield | Yankton | — | — | 1.0 yrs | 69.3 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 69.0 |
| SIOUX FALLS | Substation-Adjacent | Minnehaha County | 230 kV | 300 MW | 3.3 yrs | 68.8 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 68.4 |
| SOUTH RAPID CITY | Substation-Adjacent | Pennington County | 230 kV | 300 MW | 3.3 yrs | 68.4 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 68.2 |
| VIRGIL FODNESS | Substation-Adjacent | Lincoln County | 230 kV | 300 MW | 3.3 yrs | 68.0 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 67.8 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 67.8 |
| OZ Minnehaha | Greenfield | Minnehaha | — | — | 1.0 yrs | 67.8 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 67.7 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 67.6 |
| LANGE | Substation-Adjacent | Pennington County | 230 kV | 300 MW | 3.3 yrs | 67.4 |
| RAPID CITY DC TIE | Substation-Adjacent | Pennington County | 230 kV | 300 MW | 3.3 yrs | 67.4 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 67.3 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 67.1 |
| BROOKINGS COUNTY | Substation-Adjacent | Lincoln County | 345 kV | 600 MW | 3.3 yrs | 67.1 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 67.0 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 66.8 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 66.6 |
| UTICA JUNCTION | Substation-Adjacent | Yankton County | 230 kV | 300 MW | 3.3 yrs | 66.6 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 66.5 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 66.3 |
Counties in South Dakota
52 counties with five or more scored sites.
Minnehaha County95 · 61.3Day County82 · 55.3Pennington County58 · 62.2Beadle County51 · 57.8Charles Mix County40 · 55.3Brown County37 · 59.4Brookings County35 · 58.4Lawrence County35 · 56.0Spink34 · 58.9Todd County33 · 49.0Moody County32 · 55.4Yankton County30 · 59.8Lyman County27 · 53.6Lincoln County25 · 60.4Codington County23 · 55.2Roberts County23 · 55.9Clay County22 · 60.2Custer County22 · 56.6Dewey County22 · 50.2Hyde County22 · 60.6Lake County22 · 56.7Davison County21 · 56.1Grant County21 · 55.7Turner County21 · 58.9Union County20 · 58.0Kingsbury19 · 60.7Brule County17 · 56.8McCook County17 · 58.7Bon Homme County14 · 58.7Buffalo County14 · 54.3Meade County12 · 57.0Oglala Lakota County12 · 51.4Deuel County11 · 56.5Hughes County11 · 54.4Aurora County10 · 57.0Butte County9 · 55.0Clark County9 · 57.6Hanson County9 · 58.0Tripp County9 · 53.9Ziebach County9 · 51.3Corson County8 · 54.3Douglas County8 · 57.7Hand County8 · 57.7Miner County7 · 56.4Fall River County6 · 58.3Gregory County6 · 55.9Hamlin County6 · 57.5Hutchinson County6 · 57.3Marshall County6 · 56.3Stanley County6 · 57.0Faulk County5 · 56.0Potter County5 · 54.4
South Dakota datacenter site selection FAQ
- How many datacenter sites are in South Dakota?
- GridCensus catalogs 1,151 scored datacenter candidate sites in South Dakota, with an average DC Readiness score of 57.2/100.
- What is the average interconnection-queue wait in South Dakota?
- Candidate sites in South Dakota average a 3.1 yrs interconnection-queue wait, with an average queue depth of 6 projects.
- What kind of datacenter sites are most common in South Dakota?
- Substation-Adjacent sites are the most common category in South Dakota (477 sites), and most sites fall within the SPP grid region.
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 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.