Wisconsin Data Centers

Live tracking of every data center project in Wisconsin — operational, under construction, announced, and permitted — with developer, tenant, capacity, and supply-chain links.

Wisconsin holds two of the largest AI campuses in the tracker: Microsoft's $14B Fairwater site in Mount Pleasant at 2.7 GW and Oracle's 1.3 GW Stargate campus for OpenAI in Port Washington. Meta has a $1.2B build under construction in Beaver Dam. Twenty public suppliers are linked to these three projects, the deepest supplier footprint of any state outside Texas.

Data Center Index tracks 4 named data center campuses in Wisconsin (large sites with a source, not every building): 1 operating, 2 under construction, and 1 announced or permitted. The pipeline adds up to 1.5 GW of planned capacity. The grid is operated by MISO, which runs the interconnection queue. Below: every tracked project in Wisconsin, ranked by build status, followed by the public companies whose data center revenue is most exposed to this market.

Tracked data center projects in Wisconsin

Frequently asked questions

How many data centers are in Wisconsin?
Data Center Index tracks 4 named data center campuses in Wisconsin as of 2026: 1 operating, 2 under construction, and 1 announced or permitted. Coverage is named campuses with a published source, not every building.
How much data center capacity does Wisconsin have?
2.7 GW is operating, with 1.5 GW in the announced and under-construction pipeline. 2 of the 3 Wisconsin campuses carrying a capacity figure show an estimate rather than a figure a named source states, marked "est." on the site.
What is the largest data center in Wisconsin?
Microsoft Fairwater Wisconsin in Mount Pleasant is the largest tracked campus in Wisconsin at 2.7 GW, developed by Microsoft. That capacity is an estimate, not a figure a named source states.
Who is building data centers in Wisconsin?
The most active developers in Wisconsin by tracked campus count are Microsoft (2 campuses), Meta (1 campus), Oracle (1 campus). Every campus page lists its developer, tenant and the source that names them.
Which grid operator serves Wisconsin data centers?
MISO runs the grid and the interconnection queue for Wisconsin, so new campus power requests are approved on its timeline.

Public companies exposed to Wisconsin

These public companies have tracked data-center projects in Wisconsin as developers, tenants, or operators. Use the watchlist to compare them side by side, or click through for capex history and supplier exposure.

Other data center markets

Tracked US markets, ranked by pipeline capacity: