1. INTRODUCTION 3

2. ASSESSMENT OF AVAILABLE DATA ON THE SUSTAINABILITY OF DATA CENTRES IN THE EU 4

2.1. Completeness and quality of the available data on the sustainability of data centres in the EU 4

2.2. Assessment of the energy efficiency and sustainability of European data centres 6

2.2.1. Assessment of the Power Usage Effectiveness in European data centres 6

2.2.2. Assessment of the Water Usage Effectiveness in European data centres 8

2.2.3. Assessment of the Energy Reuse Factor in European data centres 9

2.2.4. Assessment of the Renewable Energy Factor in European data centres 10

3. NEXT STEPS AND LEGISLATIVE PROPOSALS TOWARDS A MORE SUSTAINABLE DATA CENTRE SECTOR 11

3.1. Simplification and improvement of the reporting scheme 12

3.2. Proposal for the establishment of a common EU rating scheme for data centres 13

3.3. Proposal for the establishment of minimum performance standards for data centres 14

3.4. Assessment of the feasibility of a transition towards a net-zero emission data centre sector 16

4. CONCLUSION 17