The present document defines Global Key Performance Indicators for energy management in ICT sites including, but not limited to operator data centres (ODC), operator sites (OS) and customer data centres (CDC). It addresses the
following objectives:energy consumption;task efficiency;energy reuse;renewable energy.The present document defines:four KPIs addressing these objectives (Objective KPIs);one Global KPI which combines the four Objective KPIs.The Objective and Global KPIs defined may be applied to ICT sites of any size and from initial operation to end of life.