OZ Dane
GreenfieldDane County, Wisconsin · MISO
At a glance
OZ Dane is a greenfield datacenter candidate site in Dane County, Wisconsin, scoring 58.6/100 DC Readiness — 76th of 184 scored sites in the county. It sits in the MISO grid region and the WISCONSIN POWER & LIGHT CO service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
Site location
Get alerts
Track OZ Dane
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does OZ Dane compare with other sites in Dane County?
OZ Dane ranks 76th of 184 scored candidate sites in Dane County. Its 58.6/100 is roughly in line with the county average of 58.8. It is roughly in line with the Wisconsin average of 55.4 and about 10% above the national average of 53.2.
Against the Wisconsin average, its strongest sub-score is fiber connectivity (92 vs 67) and its weakest is natural hazard (38 vs 77). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is OZ Dane to power, fiber and other datacenters?
The nearest located transmission bottleneck is ALEWEC02_ROCKDAL1_66320_66 (MISO), 19 miles away. For connectivity, the nearest internet exchange facility is University of Wisconsin-Madison at 2.2 miles. 16 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Datacenter 00447803368, 2 miles away.
What are the flood, water and hazard risks at OZ Dane?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 0.30 on a 0–5 scale. Mapped wetlands (National Wetlands Inventory) are present on the parcel. The parcel overlaps designated critical habitat (Rusty patched bumble bee (Proposed)). A Superfund site is nearby (ACCURAY BADGER ROAD OPS). At the county level, FEMA's National Risk Index rates Dane County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Dane County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| CARDINAL | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 69.6 |
| NORTH MADISON 345/138KV | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.7 |
| OZ Dane | Greenfield | — | — | 4.3 yrs | 64.9 |
| EC Near Blount Street | Greenfield | — | — | 4.3 yrs | 64.5 |
| OZ Dane | Greenfield | — | — | 4.3 yrs | 64.4 |
| OZ Dane | Greenfield | — | — | 4.3 yrs | 64.2 |
| BLOUNT | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 64.2 |
| OZ Dane | Greenfield | — | — | 4.3 yrs | 64.2 |
OZ Dane: common questions
What is the DC Readiness score of OZ Dane?
OZ Dane scores 58.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 76th of 184 scored sites in Dane County. The Dane County average is 58.8 and the Wisconsin average is 55.4.
Which electric utility serves OZ Dane?
WISCONSIN POWER & LIGHT CO (investor owned) holds the retail service territory that contains the site; its holding company is ALLIANT ENERGY CORP.
What grid region is OZ Dane in?
OZ Dane is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is OZ Dane in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns OZ Dane?
Parcel records list the owner as Uw Regents Arboretum Van Hise Hall #1860 (private land).
How far is OZ Dane from an internet exchange?
The nearest internet exchange facility is University of Wisconsin-Madison, about 2.2 miles away; 16 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “OZ Dane, Dane County, WI”, https://gridcensus.com/datacenter-sites/wisconsin/dane-county/oz-dane-3a46bdc9 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
Go deeper than the public screen
Every site and score for OZ Dane, Dane County 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.