EU Energy Efficiency Directive — Data Center Rating (Regulation 2024/1364)

Commission Delegated Regulation establishing common Union rating scheme for data center sustainability. Operators with ≥500 kW IT power must report PUE, waste heat utilization, water use, renewable energy. Waste heat recovery required for facilities >1 MW unless infeasible. Reporting deadlines: Sept 15 2024, then May 15 annually. Data centers account for ~2.7% of EU electricity, projected 3.2% by 2030.