Heat reuse
Capturing data-center waste heat to warm buildings or feed district heating, improving total energy use and ERF.
Current numbers
>1 MWEU EED Article 26 threshold: facilities above this must assess (and, under stricter national law, perform) waste-heat reuse
10% → 20%German EnEfG waste-heat reuse quota for new data centers (from 2026 → 2028); France DDADUE mandates reuse >1 MW