Datacenter Sites in Pennington County, South Dakota
Pennington County has 65 scored datacenter candidate sites averaging 60.2/100 DC Readiness, with a catalogued aggregate of 7,025 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
65
Candidate sites
60.2/100
Avg DC Readiness
7,025 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Pennington County
Yesno_income_tax
Datacenter tax incentive
13.55¢/kWh
Commercial electricity
13.16¢/kWh
Industrial electricity
7
Fiber providers
Low-Medium
Water stress
$1,513
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 Pennington County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| LANGE | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 75.8 |
| RAPID CITY DC TIE | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 71.9 |
| SOUTH RAPID CITY | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 70.8 |
| UNKNOWN131182 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 70.4 |
| NEW UNDERWOOD | Substation-Adjacent | 230 kV | 300 MW | 1.0 yrs | 69.9 |
| UNKNOWN131179 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 69.5 |
| EC Near Ben French | Greenfield | — | — | 1.0 yrs | 68.2 |
| Greenfield (LANGE - LOOKOUT) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 67.7 |
| UNKNOWN131172 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 67.7 |
| EC Coal Pennington County | Greenfield | — | — | 1.0 yrs | 67.3 |
| Greenfield (NEW UNDERWOOD - RAPID CITY DC ) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 67.0 |
| EC Near Ben French | Greenfield | — | — | 1.0 yrs | 67.0 |
| EC Near Ben French | Greenfield | — | — | 1.0 yrs | 66.9 |
| Greenfield (UNKNOWN202528 - SOUTH RAPID CI) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 66.8 |
| EC Near Ben French | Greenfield | — | — | 1.0 yrs | 66.5 |
| UNKNOWN131176 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 66.4 |
| Greenfield (WAYSIDE - NEW UNDERWOOD) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 65.2 |
| EC Coal Pennington County | Greenfield | — | — | 1.0 yrs | 65.0 |
| EC Coal Pennington County | Greenfield | — | — | 1.0 yrs | 64.9 |
| UNKNOWN131185 | Substation-Adjacent | 115 kV | 100 MW | 1.0 yrs | 64.8 |
| Greenfield (NEW UNDERWOOD - MAURINE) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.7 |
| Greenfield (NEW UNDERWOOD - MAURINE) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.7 |
| Greenfield (WAYSIDE - NEW UNDERWOOD) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.3 |
| Greenfield (WAYSIDE - NEW UNDERWOOD) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.3 |
| Greenfield (WAYSIDE - NEW UNDERWOOD) | Greenfield | 230 kV | 300 MW | 1.0 yrs | 64.1 |
Pennington County datacenter FAQ
- How many datacenter sites are in Pennington County?
- 65 scored datacenter candidate sites, averaging 60.2/100 DC Readiness.
- Does Pennington 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 Pennington County?
- FEMA's National Risk Index rates Pennington County as "Relatively Low" (score 22).
- What are industrial electricity rates in Pennington County?
- Average industrial electricity is 13.16¢/kWh and commercial is 13.55¢/kWh in Pennington 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 Pennington 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.