Datacenter Sites in Jefferson County, Wisconsin
Jefferson County has 33 scored datacenter candidate sites averaging 59.2/100 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
59.2/100
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 | 1.4 yrs | 73.7 |
| Greenfield (COLUMBIA - CHRISTIANA) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 70.6 |
| LAKEHEAD | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 69.2 |
| CRAWFISH RIVER | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 68.4 |
| TAP138068 | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 68.3 |
| CONCORD SW YD | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 68.3 |
| TYRANENA | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 68.2 |
| TAP161904 | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 68.0 |
| LONDON | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 67.8 |
| ROCKDALE | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 67.6 |
| JEFFERSON | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 67.2 |
| STONY BROOK | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 67.2 |
| LAKEHEAD CAMBRIDGE | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 65.9 |
| TAP173303 | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 62.6 |
| Greenfield (UNKNOWN131398 - STONY BROOK) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 62.4 |
| OZ Jefferson | Greenfield | — | — | 1.4 yrs | 62.3 |
| OZ Jefferson | Greenfield | — | — | 1.4 yrs | 62.1 |
| Greenfield (TAP138068 - LAKEHEAD) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 62.1 |
| FORT ATKINSON | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 61.6 |
| Greenfield (CONCORD SW YD - CRAWFISH RIVER) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 61.1 |
| Greenfield (UNIVERSITY (WE) - TAP136962) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 60.9 |
| Greenfield (CONCORD SW YD - CRAWFISH RIVER) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 59.7 |
| Greenfield (UNIVERSITY (WE) - WHITEWATER) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 58.9 |
| CAMBRIDGE | Substation-Adjacent | 138 kV | 100 MW | 1.4 yrs | 58.8 |
| Greenfield (COONEY - CONCORD SW YD) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 56.9 |
Jefferson County datacenter FAQ
- How many datacenter sites are in Jefferson County?
- 33 scored datacenter candidate sites, averaging 59.2/100 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.
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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.