German Energy Efficiency Act (EnEfG) — Data Centers

First legal framework for data center energy efficiency in Germany. Applies to centers ≥300 kW. PUE targets: existing (pre-July 2026) 1.5 by 2027, 1.3 by 2030; new (from July 2026) 1.2. Waste heat: new centers must reuse 10% (2026), 15% (2027), 20% (2028). 50% renewable from 2024, 100% from 2027. Energy management systems by July 2025; certification from 2026 for >1 MW. National register operational April 2024.