60.60 Standard published Jan 16, 2026
ISO/IEC
ISO/IEC JTC 1/SC 39 Sustainability, IT & Data Centres
International Standard
27.015 Energy efficiency. Energy conservation in general | 35.020 Information technology (IT) in general
This document specifies power usage effectiveness (PUE) as a key performance indicator (KPI) to quantify the efficient use of energy.
This document:
defines the PUE of a data centre;
introduces PUE measurement categories;
describes the relationship of this KPI to a data centre’s infrastructure, information technology equipment and information technology operations;
defines the measurement, the calculation and the reporting of the parameter;
provides information on the correct interpretation of the PUE.
PUE derivatives are described in Clause 9.
PUBLISHED
ISO/IEC 30134-2:2026
60.60
Standard published
Jan 16, 2026