Brownfield & Retired Power Plant Sites in South Dakota
10 catalogued brownfield and retired-generation sites in South Dakota, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| Pathfinder | gas | 75 MW | 2001-06-01 | Minnehaha |
| Huron | gas | 58 MW | 2022-04-01 | Beadle |
| Future CT | gas | 56 MW | — | Hyde |
| Ben French | coal | 25 MW | 2014-03-01 | Pennington |
| Lake Preston | oil | 24 MW | 1978-01-01 | Kingsbury |
| Highmore | oil | 4 MW | 2014-06-01 | Hyde |
| Redfield | gas | 4 MW | 2014-06-01 | Spink |
| Mobile Unit | oil | 4 MW | 2019-12-01 | Beadle |
| Webster IC | oil | 2 MW | 2004-04-01 | Day |
| Ellsworth Air Force Base | superfund | 0 MW | — | — |
See all datacenter candidate sites in South Dakota →
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for brownfield sites in 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.