$15B Stargate data center breaks ground in Wisconsin

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An enormous information middle improvement within the Midwest has formally damaged floor simply earlier than the tip of the yr, in keeping with a number of sources.

Building crews formally broke floor on a $15 billion data center campus in Port Washington, Wisconsin, in keeping with a Vantage Knowledge Facilities post on X. The undertaking, dubbed Lighthouse, kinds a part of the broader $500 billion Stargate initiative, a partnership with OpenAI, Oracle and Vantage Knowledge Facilities.

This week we hosted a groundbreaking ceremony in Port Washington, Wisconsin, for our future Lighthouse campus.

Fueled by a $15B funding, Lighthouse is a part of @Oracle‘s and @OpenAI‘s Stargate enlargement and marks a serious step ahead for digital infrastructure and financial… pic.twitter.com/rrqgQnG6zp

— Vantage Knowledge Facilities (@VantageDC) December 18, 2025

Contractors on the $8 billion first phase embody Baltimore-based Whiting-Turner Contracting , Des Moines, Iowa-based Weitz Building, a three way partnership of New York Metropolis-based Turner Building and St. Louis-based McCarthy Constructing Cos. and Brownsville, Wisconsin-based Michels, reviews InfraUS.

The campus, unfold throughout 672 acres, will function 4 state-of-the-art information facilities with computing capability of almost 1 gigawatt, in keeping with a Weitz blog post on the groundbreaking. Work on the general undertaking additionally options a number of infrastructure upgrades to the area. These additions embody about $175 million in local water and power facilities, in addition to enhancements to wastewater capability and sewer traces.

The development companies count on to ship the undertaking in 2028.