OZ Milwaukee
GreenfieldMilwaukee, Wisconsin · MISO
At a glance
OZ Milwaukee is a greenfield datacenter candidate site in Milwaukee, Wisconsin, scoring 59.7/100 DC Readiness — 47th of 304 scored sites in the county. It sits in the MISO grid region and the WISCONSIN ELECTRIC POWER 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
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How does OZ Milwaukee compare with other sites in Milwaukee?
OZ Milwaukee ranks 47th of 304 scored candidate sites in Milwaukee. Its 59.7/100 is roughly in line with the county average of 57.4. It is roughly in line with the Wisconsin average of 55.4 and about 12% above the national average of 53.2.
Against the Wisconsin average, its strongest sub-score is water (94 vs 94) and its weakest is natural hazard (48 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 Milwaukee to power, fiber and other datacenters?
The nearest located transmission bottleneck is WEC34101_SUSSEX_36341_1 (MISO), 12 miles away. For connectivity, the nearest internet exchange facility is Data Holdings Milwaukee at 4.4 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Data Holdings Data Center, 4.4 miles away.
What are the flood, water and hazard risks at OZ Milwaukee?
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. No mapped wetlands are recorded on the parcel. The parcel overlaps designated critical habitat (Rusty patched bumble bee (Proposed)). A Superfund site is nearby (CASCADE ASSET MANAGEMENT FORMER). At the county level, FEMA's National Risk Index rates Milwaukee "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 Milwaukee, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| OAK CREEK STATION | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 72.3 |
| GRANVILLE | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.3 |
| BLUEMOUND | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 66.5 |
| DEADEND167359 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 66.5 |
| EC Near MMSD Jones Island Wastewater | Greenfield | — | — | 4.3 yrs | 65.1 |
| EC Near South Oak Creek | Greenfield | — | — | 4.3 yrs | 64.2 |
| PARK HILL | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 63.8 |
| EC Coal Milwaukee County | Greenfield | — | — | 4.3 yrs | 63.7 |
OZ Milwaukee: common questions
What is the DC Readiness score of OZ Milwaukee?
OZ Milwaukee scores 59.7/100 on the GridCensus DC Readiness scale, rated good. It ranks 47th of 304 scored sites in Milwaukee. The Milwaukee average is 57.4 and the Wisconsin average is 55.4.
Which electric utility serves OZ Milwaukee?
WISCONSIN ELECTRIC POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is WISCONSIN ENERGY CORP.
What grid region is OZ Milwaukee in?
OZ Milwaukee is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is OZ Milwaukee 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 Milwaukee?
Parcel records list the owner as George J Martin Tod (private land).
How far is OZ Milwaukee from an internet exchange?
The nearest internet exchange facility is Data Holdings Milwaukee, about 4.4 miles away; 12 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 Milwaukee, Milwaukee, WI”, https://gridcensus.com/datacenter-sites/wisconsin/milwaukee/oz-milwaukee-5394019b (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.
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