How many data centers are in Wisconsin?

Aterio tracks 86 data centers in Wisconsin: 18 operational, 13 under construction, 30 announced and 25 land bank, delayed, withdrawn or cancelled.

How much power will data centers in Wisconsin require?

Operational, under construction and announced data centers in Wisconsin add up to an estimated 5,369 MW of power capacity.

How does Wisconsin rank nationally for data centers?

22nd of 50 states and DC by pipeline capacity, with less than 1% of the US total of 606,116 MW.

Which county in Wisconsin has the most data center capacity?

Ozaukee County, with an estimated 3,294 MW across 11 projects, followed by Racine County with 1,518 MW.

Who are the largest data center providers in Wisconsin?

By estimated capacity: Vantage Data Centers (3,294 MW), Microsoft (1,734 MW) and Facebook (91 MW).

How many data centers are under construction in Wisconsin?

Wisconsin has 13 data centers under construction, out of 61 in its pipeline.

Market brief, Wisconsin

Data Centers in Wisconsin

Wisconsin ranks 22nd nationally for data center pipeline capacity, with 5,369 MW across 61 projects.

By the Aterio data team. Data as of Nov 1, 2026.

Scale

Data centers tracked: 86
Data center capacity*: 5,369MW
Data center space*: 14.3M sq ft
Average operational size: 91,098sq ft

Pipeline by stage

In the pipeline: 61
Operational: 18
Under construction: 13
Announced: 30

* Pipeline only: operational, under construction and announced projects. The other 25 tracked projects are land bank, delayed, withdrawn or cancelled.

How Wisconsin compares

Wisconsin is further along than the US as a whole: only 49% of its projects are still announced, against 59% nationally. Projects under construction make up 21% of the total, above the national 12%.

Top states by estimated MW	Est. MW	Facilities
1.Texas	152,429 MW	1,431

2.Virginia	64,312 MW	1,068

3.Utah	46,575 MW	236

4.Pennsylvania	33,239 MW	427

5.Georgia	32,790 MW	481

22.Wisconsin	5,369 MW	61

Top five states by pipeline capacity, and Wisconsin, estimated MW.

Where it is being built

Ozaukee County alone holds 61% of the Wisconsin pipeline, 3,294 MW across 11 projects.

Top counties by estimated MW	Est. MW	Facilities
1.Ozaukee County	3,294 MW	11

2.Racine County	1,518 MW	20

3.Kenosha County	216 MW	4

4.Rock County	200 MW	4

5.Dodge County	108 MW	3

Top five counties by estimated MW, among those with three or more projects.

Who is building

Vantage Data Centers alone holds 61% of the Wisconsin pipeline, 3,294 MW across 11 projects.

Top providers by estimated MW	Est. MW	Facilities
1.Vantage Data Centers	3,294 MW	11

2.Microsoft	1,734 MW	24

3.Facebook	91 MW	6

Top three providers by estimated MW, among those with three or more projects. Undisclosed providers are left out.

From the dataset

Largest data centers in Wisconsin

Ranked by estimated capacity. Each facility's power and size are available in the full dataset.

1.Vantage WI Data Center 9Vantage Data Centers · Port Washington, Ozaukee County Announced
2.Vantage WI Data Center 11Vantage Data Centers · Port Washington, Ozaukee County Announced
3.Vantage WI Data Center 10Vantage Data Centers · Port Washington, Ozaukee County Announced
4.Vantage WI Data Center 7Vantage Data Centers · Port Washington, Ozaukee County Announced
5.Vantage WI Data Center 5Vantage Data Centers · Port Washington, Ozaukee County Announced

Free sample

MIWI1 Wells Building Data Center1547 Critical Systems Realty · Milwaukee, Milwaukee CountyPower 1 MWSize 5,000 sq ftOperational
Utility
Wisconsin Electric Power Co
Online
Sep 3, 2020

Frequently asked questions

: Aterio tracks 86 data centers in Wisconsin: 18 operational, 13 under construction, 30 announced and 25 land bank, delayed, withdrawn or cancelled.
: Operational, under construction and announced data centers in Wisconsin add up to an estimated 5,369 MW of power capacity.
: 22nd of 50 states and DC by pipeline capacity, with less than 1% of the US total of 606,116 MW.
: Ozaukee County, with an estimated 3,294 MW across 11 projects, followed by Racine County with 1,518 MW.
: By estimated capacity: Vantage Data Centers (3,294 MW), Microsoft (1,734 MW) and Facebook (91 MW).
: Wisconsin has 13 data centers under construction, out of 61 in its pipeline.

Data centers in other states

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Get exclusive insights on the rapidly expanding US data center market, with detailed analysis of facilities, power capacity and strategic expansions across Wisconsin and the rest of the US.