
Microsoft is planning to bring the "world's most powerful" AI datacenter online in early 2026, the company announced today. The Pleasantville, Wisconsin-based datacenter, dubbed Fairwater, is. meant specifically for training AI models as well as running large-scale models. The datacenter will be housed on 315 acres of land, with 1.2 million square feet in three buildings to house "hundreds of thousands" of Nvidia GB200 and GB300 GPUs.
If intelligence is the log of compute… it starts with a lot of compute! And that’s why we’re scaling our GPU fleet faster than anyone else.Just last year, we added over 2 gigawatts of new capacity – roughly the output of 2 nuclear power plants.And today we’re going further,… pic.twitter.com/cZJ3pdN1rXSeptember 18, 2025