EnEfG · Energieeffizienzgesetz (German Energy Efficiency Act)
Germany's efficiency law, which converts heat reuse from optional economics into a minimum obligation for new data centers above a power threshold.
Current numbers
10% / 15% / 20% by applicable start-date cohortGermany EnEfG minimum energy-reuse factor by DC commissioning year: 10% from Jul-2026, 15% from Jul-2027, 20% from Jul-2028