90.92 Standard to be revised Dec 16, 2025
CENELEC
CLC/TC 215 Electrotechnical aspects of telecommunication equipment
European Norm
35.020 Information technology (IT) in general | 35.110 Networking | 35.160 Microprocessor systems
Published
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.
PUBLISHED
EN 50600-4-2:2016
90.92
Standard to be revised
Dec 16, 2025
IN_DEVELOPMENT
prEN 50600-4-2
