prSRPS EN 50600-4-2:2026

Information technology - Data centre facilities and infrastructures - Part 4-2: Power Usage Effectiveness

Scope

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

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.