Datacenter Sites in Marathon County, Wisconsin
Marathon County has 110 scored datacenter candidate sites averaging 50.5/100 DC Readiness, with a catalogued aggregate of 6,006 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
110
Candidate sites
50.5/100
Avg DC Readiness
6,006 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
Site-selection context for Marathon County
Yessales_tax_exemption
Datacenter tax incentive
11.60¢/kWh
Commercial electricity
7.90¢/kWh
Industrial electricity
12
Fiber providers
Low
Water stress
$5,576
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 Marathon County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WESTON | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 77.4 |
| GARDNER PARK | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 73.9 |
| CASSEL | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 69.9 |
| SHERMAN ST | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 69.2 |
| WHITCOMB | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 69.2 |
| STRATFORD | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 69.0 |
| Greenfield (STONE LAKE - GARDNER PARK) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 69.0 |
| UNKNOWN171986 | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 68.7 |
| WIEN | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 68.6 |
| Greenfield (STONE LAKE - GARDNER PARK) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 68.1 |
| Greenfield (STONE LAKE - GARDNER PARK) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 65.7 |
| BLACKBROOK SW STA | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 65.3 |
| Greenfield (STONE LAKE - GARDNER PARK) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 64.6 |
| Greenfield (CASSEL - SUNNYVALE) | Greenfield | 115 kV | 100 MW | 1.4 yrs | 64.2 |
| Greenfield (WIEN - CASSEL) | Greenfield | 115 kV | 100 MW | 1.4 yrs | 63.1 |
| EC Near Weston | Greenfield | — | — | 1.4 yrs | 62.8 |
| Greenfield (KELLY - BUNKER HILL) | Greenfield | 115 kV | 100 MW | 1.4 yrs | 61.7 |
| EC Near Domtar Paper Company Rothschild | Greenfield | — | — | 1.4 yrs | 61.6 |
| MAINE | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 61.6 |
| Greenfield (GARDNER PARK - ROCKY RUN) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 61.4 |
| EC Near Weston | Greenfield | — | — | 1.4 yrs | 61.1 |
| Greenfield (BLACKBROOK SW STA - GARDNER PA) | Greenfield | 115 kV | 100 MW | 1.4 yrs | 60.9 |
| EC Near Weston | Greenfield | — | — | 1.4 yrs | 60.7 |
| Greenfield (WIEN - T CORNERS) | Greenfield | 115 kV | 100 MW | 1.4 yrs | 60.2 |
| EC Near Weston | Greenfield | — | — | 1.4 yrs | 60.1 |
Marathon County datacenter FAQ
- How many datacenter sites are in Marathon County?
- 110 scored datacenter candidate sites, averaging 50.5/100 DC Readiness.
- Does Marathon County offer datacenter tax incentives?
- Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
- What is the natural-hazard risk in Marathon County?
- FEMA's National Risk Index rates Marathon County as "Relatively Low" (score 22).
- What are industrial electricity rates in Marathon County?
- Average industrial electricity is 7.90¢/kWh and commercial is 11.60¢/kWh in Marathon 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 Marathon 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.