ETSI ES 205 200-2-1 specifies Global Key Performance Indicators (KPIEE) in relation to energy management for operator data centres (ODC), operator sites (OS) and customer data centres (CDC) and addresses the following objectives:

• energy consumption;
• task efficiency;
• energy re-use;
• renewable energy.

The definition of the Globals KPIs (clause 6) are in accordance with requirements of ES 205 200-1 [2] (as described in clause 5) in relation to:

• infrastructure scalability;
• infrastructure evolution;
• formulae and definitions of terms;
• measurement points and procedures.

The present document also provides information on system definition and boundaries (clause 4).

The comparative costs and environmental impacts of different energy sources are outside the scope of the present document.