AWS New Carlisle in Indiana is probably at ~1GW right now and scheduled to hit ~2.2GW when finished (https://www.cnbc.com/2025/10/29/amazon-opens-11-billion-ai-d...).
Microsoft Fairwater Wisconsin is currently at 400ish MW and projected to scale beyond 2GW of electrical power by mid 2028, as buildings currently still under construction come online (according to: https://epoch.ai/data/ai-data-centers/directory/microsoft-fa...).