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A massive data center development in the Midwest has officially begun shortly before the end of the year, according to multiple sources.
Construction crews officially broke ground on $15 billion data center campus in Port Washington, Wis., according to a Vantage Data Centers publish to X. The project, named Lighthouse, is part of the wider one $500 billion Stargate initiativea partnership with OpenAI, Oracle and Vantage Data Centers.
This week we hosted a groundbreaking ceremony in Port Washington, Wisconsin for our future lighthouse campus.
Fueled by a $15 million investment, Lighthouse is part of @Oracleyes @OpenAIthe Stargate expansion and is a huge step forward for the digital infrastructure and economy… pic.twitter.com/rrqgQnG6zp
— Vantage Data Centers (@VantageDC) December 18, 2025
Contractors at $8 billion first phase include Baltimore-based Whiting-Turner Contracting, Des Moines, Iowa-based Weitz Construction, a joint venture of New York-based Turner Construction and St. Louis-based McCarthy Building Cos. Louis, and Michels, based in Brownsville, Wis., InfraUS reports.
The campus, spread over 672 acres, will have four state-of-the-art data centers with a computing capacity of nearly 1 gigawatt, according to a Entry to Weitz’s blog in the breaker Work on the overall project also includes several infrastructure improvements in the region. These additions include approx $175 million in local water and electricity installationsas well as improvements to wastewater capacity and sewer lines.
The construction companies hope to deliver the project in 2028.
