id: microsoft-mount-pleasant
name: Fairwater (Mount Pleasant campus)
operator: microsoft
status: operational
location:
  country: US
  state: WI
  county: Racine
  locality: Mount Pleasant
metrics:
  building_sqft: 1200000
  buildings: 3
  investment_usd: 7000000000
operational_date: "2026-05"
first_seen: "2026-07-05"
last_updated: "2026-07-05"
confidence: medium
sources:
  - url: https://dailyreporter.com/2026/06/24/microsoft-completes-supercomputer-data-center-mount-pleasant/
    title: "Microsoft completes first data center in Mount Pleasant"
    publisher: The Daily Reporter
    date: "2026-06-24"
  - url: https://blogs.microsoft.com/on-the-issues/2025/09/18/made-in-wisconsin-the-worlds-most-powerful-ai-datacenter/
    title: "Made in Wisconsin: The world's most powerful AI datacenter"
    publisher: Microsoft
    date: "2025-09-18"
signals:
  - sig-20260705-fairwater-building-sqft
  - sig-20260705-fairwater-investment
  - sig-20260705-fairwater-location
  - sig-20260705-fairwater-operational-date
  - sig-20260705-fairwater-status
notes: >
  First facility (1,200,000 sqft across three buildings) fully operational
  May 2026 — equipment online spring 2026, publicly announced complete
  June 23-24 2026. Second facility under construction, completion expected 2028.
  Investment $3.3B first facility + $4B second (=$7B+). MW not disclosed
  ('hundreds of thousands' of Nvidia GPUs, closed-loop liquid cooling).