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ISO/IEC 30134-2:2026

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

Standard Details

CORRECTED VERSION 2026-01

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.

General Information

Status : ACTIVE
Standard Type: Main
Document No: ISO/IEC 30134-2:2026
Document Year: 2026
Pages: 35
Edition: 2.0
  • ICS:
  • 27.015 Energy efficiency. Energy conservation in general *Including energy audits *Energy management systems, see 03.100.70 *Energy efficiency of buildings, see 91.120.10
  • 35.020 Information technology (IT) in general

Life Cycle

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ISO/IEC 30134-2:2026
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