What changed — Wisconsin

Capacity, status, permit, grid-request and construction changes over the last three years, each with its source. A change means the same source reported a new value later; two sources disagreeing is not a change. Subscribe to the feed in any RSS reader to follow a facility, state or company.

1. Apr 16, 2026
   Microsoft Fairwater Wisconsin · WI

   • Buildings operational: 0 → 1
   • Status: Under construction → Operating + expanding
   • New capacity online: Building 1 is operational. X post from Microsoft saying this date for Fairwater becoming operational.

   Source: Epoch AI
2. Jan 2, 2026
   OpenAI Stargate Wisconsin · WI

   • Construction started: Ground broken for the facility, land clearing begins for all buildings

   Source: Epoch AI