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ISO/IEC 30134-2:2026

Information technology — Data centres key performance indicators — Part 2: Power usage effectiveness (PUE)

Jan 16, 2026

General information

60.60     Jan 16, 2026

ISO/IEC

ISO/IEC JTC 1/SC 39

International Standard

27.015     35.020  

English  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/IEC 30134-2:2016

WITHDRAWN
ISO/IEC 30134-2:2016/Amd 1:2018

NOW

PUBLISHED
ISO/IEC 30134-2:2026
60.60 Standard published
Jan 16, 2026