CEI EN 50600-4-2 PDF

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:

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

b) introduces PUE measurement categories;

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

d) defines the measurement, the calculation and the reporting of the parameter;

e) provides information on the correct interpretation of the PUE.

PUE derivatives are described in Annex C.