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ISO/IEC 30134-2:2026

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

Circulation Date: 2026-01
Edition: 2.0
Language: EN - english
Seitenzahl: 35 VDE Artno.: 255822

Content

This document specifies power usage effectiveness (PUE) as a key performance indicator (KPI) to quantify the efficient use of energy.

This document:

  1. defines the PUE of a data centre;
  2. introduces PUE measurement categories;
  3. describes the relationship of this KPI to a data centre’s infrastructure, information technology equipment and information technology operations;
  4. defines the measurement, the calculation and the reporting of the parameter;
  5. provides information on the correct interpretation of the PUE.

PUE derivatives are described in Clause 9.