Datacenter Sites in South Dakota
South Dakota has 1,151 scored datacenter candidate sites averaging 55.9/100 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
55.9/100
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
58.3
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 | 69.5 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 69.1 |
| OZ Yankton | Greenfield | Yankton | — | — | 1.0 yrs | 68.3 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 67.9 |
| SIOUX FALLS | Substation-Adjacent | Minnehaha County | 230 kV | 300 MW | 3.3 yrs | 67.7 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 67.4 |
| SOUTH RAPID CITY | Substation-Adjacent | Pennington County | 230 kV | 300 MW | 3.3 yrs | 67.4 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 67.2 |
| VIRGIL FODNESS | Substation-Adjacent | Lincoln County | 230 kV | 300 MW | 3.3 yrs | 67.0 |
| OZ Minnehaha | Greenfield | Minnehaha | — | — | 1.0 yrs | 66.9 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 66.8 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 66.7 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 66.6 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 66.6 |
| RAPID CITY DC TIE | Substation-Adjacent | Pennington County | 230 kV | 300 MW | 3.3 yrs | 66.4 |
| LANGE | Substation-Adjacent | Pennington County | 230 kV | 300 MW | 3.3 yrs | 66.4 |
| EC Near Ben French | Greenfield | Pennington | — | — | 1.0 yrs | 66.1 |
| BROOKINGS COUNTY | Substation-Adjacent | Lincoln County | 345 kV | 600 MW | 3.3 yrs | 66.0 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 66.0 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 65.8 |
| EC Near Pathfinder | Greenfield | Minnehaha | — | — | 1.0 yrs | 65.6 |
| UTICA JUNCTION | Substation-Adjacent | Yankton County | 230 kV | 300 MW | 3.3 yrs | 65.6 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 65.5 |
| EC Coal Pennington County | Greenfield | Pennington County | — | — | 1.0 yrs | 65.4 |
| GROTON | Substation-Adjacent | Brown County | 345 kV | 600 MW | 3.3 yrs | 65.3 |
Counties in South Dakota
52 counties with five or more scored sites.
Minnehaha County95 · 60.0Day County82 · 54.0Pennington County58 · 60.8Beadle County51 · 56.4Charles Mix County40 · 54.0Brown County37 · 58.1Brookings County35 · 57.1Lawrence County35 · 54.7Spink34 · 57.6Todd County33 · 47.6Moody County32 · 54.1Yankton County30 · 58.5Lyman County27 · 52.3Lincoln County25 · 59.0Codington County23 · 53.9Roberts County23 · 54.6Clay County22 · 58.9Custer County22 · 55.3Dewey County22 · 48.8Hyde County22 · 59.1Lake County22 · 55.3Davison County21 · 54.8Grant County21 · 54.5Turner County21 · 57.5Union County20 · 56.8Kingsbury19 · 59.4Brule County17 · 55.5McCook County17 · 57.4Bon Homme County14 · 57.4Buffalo County14 · 53.0Meade County12 · 55.6Oglala Lakota County12 · 50.0Deuel County11 · 55.5Hughes County11 · 53.1Aurora County10 · 55.7Butte County9 · 53.6Clark County9 · 56.3Hanson County9 · 56.7Tripp County9 · 52.6Ziebach County9 · 50.0Corson County8 · 52.9Douglas County8 · 56.4Hand County8 · 56.3Miner County7 · 55.1Fall River County6 · 57.0Gregory County6 · 54.5Hamlin County6 · 56.2Hutchinson County6 · 56.0Marshall County6 · 55.0Stanley County6 · 55.6Faulk County5 · 54.7Potter County5 · 53.1
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 55.9/100.
- 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 5 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 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.