BS EN 50600-4-2:2016+A1:2019

This standard BS EN 50600-4-2:2016+A1:2019 Information technology. Data centre facilities and infrastructures is classified in these ICS categories:

• 35.020 Information technology (IT) in general
• 35.110 Networking
• 35.160 Microprocessor systems

This European Standard specifies the Power Usage Effectiveness (PUE) as a Key Performance Indicator (KPI) to quantify the efficient use of energy in the form of electricity.

NOTE See the Note 1 to entry in Definition 3.1.3.

This European Standard:

1. defines the Power Usage Effectiveness (PUE) of a data centre;

2. introduces PUE measurement categories;

3. describes the relationship of this KPI to a data centre’s infrastructure, information technology equipment and information technology operations;

4. defines the measurement, the calculation and the reporting of the parameter;

5. provides information on the correct interpretation of the PUE.

PUE derivatives are described in Annex C.