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Datacenter Sites in Winnebago County, Wisconsin

Winnebago County has 140 scored datacenter candidate sites averaging 55.5/100 DC Readiness, with a catalogued aggregate of 1,804 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.

At a glance

Winnebago County, Wisconsin has 140 scored datacenter candidate sites averaging 55.5/100 DC Readiness, roughly in line with the Wisconsin average of 55.4. It ranks 4th of 72 Wisconsin counties by number of sites and 27th by average score. The top-scoring site is FITZGERALD at 67.2/100.

140
Candidate sites
55.5/100
Avg DC Readiness
1,804 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Winnebago County

Site-selection context for Winnebago County

Yessales_tax_exemption
Datacenter tax incentive
12.08¢/kWh
Commercial electricity
8.07¢/kWh
Industrial electricity
6
Fiber providers
Low
Water stress
$8,641
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.

How does Winnebago County compare with other counties in Wisconsin?

By number of scored sites, Winnebago County ranks 4th of the 72 Wisconsin counties with a county page, holding 4.2% of the state's 3,340 sites. Its average DC Readiness of 55.5/100 ranks 27th in the state and is roughly in line with the national average of 53.0. Nationally it has the 190th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 82 score 55 or higher.

What types of datacenter sites are in Winnebago County?

Industrial sites are the most common (103, 74% of the county's inventory), followed by substation-adjacent (17) and greenfield (12). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Winnebago County?

Industrial electricity averages 8.07¢/kWh and commercial 12.08¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is low. 6 fiber providers report service in the county. The climate runs 600 cooling degree days a year with a mean temperature of 44°F. Land is valued around $8,641 an acre.

By site type

Top datacenter sites in Winnebago County

Top datacenter sites in Winnebago County
SiteTypeVoltageCapacityQueue waitScore
FITZGERALDSubstation-Adjacent345 kV600 MW4.3 yrs67.2
EC Near Winnebago County Landfill GasGreenfield——4.3 yrs64.4
EC Near Winnebago County Landfill GasGreenfield——4.3 yrs63.2
TAYCOSubstation-Adjacent138 kV100 MW4.3 yrs62.1
NEEVINSubstation-Adjacent138 kV100 MW4.3 yrs61.7
WOODENSHOESubstation-Adjacent138 kV100 MW4.3 yrs61.5
AVIATIONSubstation-Adjacent138 kV100 MW4.3 yrs61.4
PROGRESSSubstation-Adjacent138 kV100 MW4.3 yrs61.4
ELLINWOODSubstation-Adjacent138 kV100 MW4.3 yrs61.3
MEARS CORNERSSubstation-Adjacent138 kV100 MW4.3 yrs61.3
EC Near Winnebago County Landfill GasGreenfield——4.3 yrs61.2
SUNSET POINTSubstation-Adjacent138 kV100 MW4.3 yrs61.0
Winnebago County Landfill GasBrownfield—4 MW4.3 yrs60.1
EC Near Winnebago County Landfill GasGreenfield——4.3 yrs59.5
EC Near Winnebago County Landfill GasGreenfield——4.3 yrs59.5
OZ WinnebagoGreenfield——4.3 yrs59.2
OSHKOSHSubstation-Adjacent69 kV50 MW4.3 yrs59.0
12TH AVESubstation-Adjacent69 kV50 MW4.3 yrs58.9
PEARL AVESubstation-Adjacent69 kV50 MW4.3 yrs58.8
BOWEN STREETSubstation-Adjacent69 kV50 MW4.3 yrs58.7
EC Near Winnebago County Landfill GasGreenfield——4.3 yrs57.5
TAP163279Substation-Adjacent69 kV50 MW4.3 yrs57.2
OMRO INDUSTRIAL PARKSubstation-Adjacent69 kV50 MW4.3 yrs57.1
OMROSubstation-Adjacent69 kV50 MW4.3 yrs57.0
WINNECONNESubstation-Adjacent69 kV50 MW4.3 yrs56.7

Every scored site in Winnebago County

All 140 sites, best first.

Winnebago County datacenter FAQ

How many datacenter sites are in Winnebago County?

140 scored datacenter candidate sites, averaging 55.5/100 DC Readiness. That is the 4th-most of 72 Wisconsin counties with five or more sites.

What is the highest-scoring datacenter site in Winnebago County?

FITZGERALD scores 67.2/100 DC Readiness, the highest of the 140 scored sites in Winnebago County (a substation-adjacent site).

Does Winnebago County offer datacenter tax incentives?

Enterprise Zone tax credits; TIF available for DC construction in eligible areas.

What is the natural-hazard risk in Winnebago County?

FEMA's National Risk Index rates Winnebago County as "Relatively Low" (score 22).

What are industrial electricity rates in Winnebago County?

Average industrial electricity is 8.07¢/kWh and commercial is 12.08¢/kWh in Winnebago County.

More in Wisconsin

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Winnebago County, Wisconsin”, https://gridcensus.com/datacenter-sites/wisconsin/winnebago-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Winnebago County, Wisconsin is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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