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.

Microsoft's Fairwater campus in Mount Pleasant is operating, and Oracle's Stargate campus for OpenAI in Port Washington is under construction at 902 MW. Meta is building in Beaver Dam, and Microsoft has a further campus announced in Kenosha.

Data Center Index tracks 8 named data center campuses in Wisconsin (large sites with a source, not every building): 1 operating, 2 under construction, and 5 announced or permitted. The pipeline adds up to 1.9 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 8 named data center campuses in Wisconsin as of 2026: 1 operating, 2 under construction, and 5 announced or permitted. Coverage is named campuses with a published source, not every building.
How much data center capacity does Wisconsin have?
No operating capacity is published, with 1.9 GW in the announced and under-construction pipeline. Of the 2 Wisconsin campuses with a capacity figure, 0 are filed, 1 stated and 1 estimated. Filed means a permit, utility filing or SEC filing states the figure. Stated means the developer or the press states it. Estimated means we modeled or inferred it, and the site marks it "est.". Filed and stated figures carry the date of the newest source behind them.
What is the largest data center in Wisconsin?
OpenAI Stargate Wisconsin in Port Washington is the largest tracked campus in Wisconsin at 902 MW, developed by Vantage Data Centers. The developer or the press states that capacity, in a source dated September 21, 2026.
Who is building data centers in Wisconsin?
The most active developers in Wisconsin by tracked campus count are Microsoft (4 campuses), Vantage Data Centers (1 campus), Meta (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: