Here is a Swiss one that heats 6,000 apartments.

https://d4project.org/

> The data center delivers up to 1.7 MW of reusable heat – enough enough to warm 6,000 energy-efficient homes in winter or provide 20,000 five-minute showers every day in summer.

https://blog.siemens.com/2026/05/sustainable-data-infomaniak...

https://news.infomaniak.com/en/infomaniak-inaugurates-a-revo...