Microsoft has unveiled plans for a new AI data center in Mount Pleasant, Wisconsin, calling it the most powerful in the world. Scheduled to open in early 2026, the Fairwater center will host hundreds of thousands of Nvidia GPUs—delivering computing power ten times greater than the best existing supercomputers, according to the company.
CEO Satya Nadella said the center’s integrated system will scale AI computing exponentially, using liquid cooling with zero water and sourcing 100% renewable energy. Microsoft has already invested $3.3 billion in Fairwater and pledged an additional $4 billion over the next three years to build a second facility of similar scale, due in 2027.
The center is being built on land once earmarked for a Foxconn mega-factory that never materialized. Microsoft says Fairwater is one of several next-generation AI hubs being constructed across the US and abroad, adding to its network of more than 100 active data centers worldwide.
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