Datacenter Sites in Jefferson County, Iowa
Jefferson County has 6 scored datacenter candidate sites averaging 53.7/100 DC Readiness, with a catalogued aggregate of 301 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
6
Candidate sites
53.7/100
Avg DC Readiness
301 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
Site-selection context for Jefferson County
Yessales_tax_exemption
Datacenter tax incentive
13.01¢/kWh
Commercial electricity
7.58¢/kWh
Industrial electricity
8
Fiber providers
Low
Water stress
$6,951
Land price / acre
900
Cooling degree days
6,500
Heating degree days
48°F
Mean annual temp
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
By site type
Top datacenter sites in Jefferson County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Greenfield (JEFFERSON - HENRY CO) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 61.6 |
| Greenfield (WAPELLO - JEFFERSON) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 61.1 |
| Greenfield (WAPELLO - JEFFERSON) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 60.2 |
| Schaus-Vorhies Solar | Brownfield | — | 1 MW | — | 53.3 |
| Mine Site | Former Mine | — | — | — | 43.2 |
| Larry Wilson Property | Industrial | — | — | — | 42.9 |
Jefferson County datacenter FAQ
- How many datacenter sites are in Jefferson County?
- 6 scored datacenter candidate sites, averaging 53.7/100 DC Readiness.
- Does Jefferson County offer datacenter tax incentives?
- Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
- What is the natural-hazard risk in Jefferson County?
- FEMA's National Risk Index rates Jefferson County as "Relatively Moderate" (score 30).
- What are industrial electricity rates in Jefferson County?
- Average industrial electricity is 7.58¢/kWh and commercial is 13.01¢/kWh in Jefferson County.
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for Jefferson County, Iowa. 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.