Datacenter Sites in Jefferson County, Wisconsin
Jefferson County has 33 scored datacenter candidate sites averaging 61.7/100 DC Readiness, with a catalogued aggregate of 3,300 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
33
Candidate sites
61.7/100
Avg DC Readiness
3,300 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Jefferson County
Yessales_tax_exemption
Datacenter tax incentive
13.10¢/kWh
Commercial electricity
8.91¢/kWh
Industrial electricity
10
Fiber providers
Low
Water stress
$7,967
Land price / acre
600
Cooling degree days
7,200
Heating degree days
44°F
Mean annual temp
Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
By site type
Top datacenter sites in Jefferson County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| CHRISTIANA | Substation-Adjacent | 345 kV | 600 MW | 2.8 yrs | 64.9 |
| OZ Jefferson | Greenfield | — | — | 1.4 yrs | 62.8 |
| OZ Jefferson | Greenfield | — | — | 1.4 yrs | 62.6 |
| LONDON | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 59.2 |
| TAP161904 | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 59.1 |
| CAMBRIDGE | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 58.9 |
| LAKEHEAD | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 58.7 |
| TAP173303 | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 57.4 |
| STONY BROOK | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 57.3 |
| JEFFERSON | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 57.3 |
| FORT ATKINSON | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 57.1 |
| CRAWFISH RIVER | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 56.9 |
| UNKNOWN131398 | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 56.8 |
| Greenfield (COLUMBIA - CHRISTIANA) | Greenfield | 345 kV | 600 MW | 3.9 yrs | 56.4 |
| UNIVERSITY (WE) | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 56.2 |
| WHITEWATER | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 56.2 |
| LAKEHEAD DELAVAN | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 55.5 |
| CONCORD SW YD | Substation-Adjacent | 138 kV | 100 MW | 2.8 yrs | 55.3 |
| Mine Site | Former Mine | — | — | 2.8 yrs | 53.4 |
| Biwer Property | Industrial | — | — | 2.8 yrs | 53.2 |
| NWS WFO NEXRAD DOUSMAN WI SITE INSTALLATION | Federal Excess | — | — | 2.8 yrs | 53.0 |
| Hertel Property | Industrial | — | — | 2.8 yrs | 52.9 |
| 101, 107, 109 and 111 W Main Street, Watertown, WI | Industrial | — | — | 2.8 yrs | 52.9 |
| 905 E Main | Industrial | — | — | 2.8 yrs | 52.9 |
| Gauthier Property | Industrial | — | — | 2.8 yrs | 52.4 |
Jefferson County datacenter FAQ
- How many datacenter sites are in Jefferson County?
- 33 scored datacenter candidate sites, averaging 61.7/100 DC Readiness.
- Does Jefferson County offer datacenter tax incentives?
- Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
- What is the natural-hazard risk in Jefferson County?
- FEMA's National Risk Index rates Jefferson County as "Relatively Low" (score 22).
- What are industrial electricity rates in Jefferson County?
- Average industrial electricity is 8.91¢/kWh and commercial is 13.10¢/kWh in Jefferson 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 Jefferson County, Wisconsin. 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.