ISO/IEC 30134-6:2021 PDF

Name: ISO/IEC 30134-6:2021 — Information technology — Data centres key performance indicators — Part 6: Energy Reuse Factor (ERF)
SKU: ISO/IEC 30134-6:2021
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Information technology — Data centres key performance indicators — Part 6: Energy Reuse Factor (ERF)

Название (английский):

ISO/IEC 30134-6:2021

Information technology — Data centres key performance indicators — Part 6: Energy Reuse Factor (ERF)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 11 августа 2021 г.
Издание:: ISO/IEC IS 30134 edition 1 version 1
ICS:: 35.020

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Описание (английский):

This document specifies the energy reuse factor (ERF) as a KPI to quantify the reuse of the energy consumed in a data centre. ERF is defined as the ratio of energy being reused divided by the sum of all energy consumed in a data centre. The ERF does reflect the efficiency of the reuse process; the reuse process is not part of a data centre.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO/IEC 30134-6:2021 defines the Energy Reuse Factor (ERF) as a key performance indicator (KPI) for data centres. ERF quantifies how much of the energy consumed in a data centre is beneficially reused outside the data centre boundary. ERF = energy reused ÷ total energy consumed (annual basis). The standard clarifies scope, measurement boundaries, reporting formats and examples to ensure consistent, auditable calculation of data centre energy reuse.

Key topics and requirements

ERF definition and purpose: Establishes ERF as a KPI to report externally reused energy (not the efficiency of the reuse process).

Data centre boundary and handoff point: Requires defining the point where energy is handed off to another party (utility handoff) and including all energy carriers (electricity, fuel, chilled water, conditioned air) at that boundary.

Inclusion rules: Count only energy that leaves the data centre boundary for beneficial use outside the site. Internal reuse (within the data centre) must be excluded to avoid double counting with PUE.

Energy streams and symbols: Standardizes terms (EIT, EEXCESS, EREUSE, etc.) and the types of energy flows to be measured.

Measurement and calculation: Specifies how to determine ERF using annual energy values and references measurement points; includes guidance on measurement of total energy and excess energy.

Reporting and public disclosure: Defines a standard construct for communicating ERF data, required reporting elements and recommended trend-tracking data for transparency.

Annexes: Informative examples of ERF use cases and energy conversion factors to support practical implementation.

Practical applications and users

Who should use ISO/IEC 30134-6:2021:

Data centre operators and facility managers implementing waste heat recovery, district heating links or mixed-use building integrations.

Sustainability and ESG teams reporting energy reuse metrics to stakeholders.

Architects and MEP engineers designing heat-reuse and energy integration systems.

Auditors and certifiers validating energy reuse claims and public KPIs.

Building owners and operators negotiating energy handoff agreements with third parties (e.g., district heating utilities).

Typical use cases:

Benchmarking energy reuse performance across sites.

Supporting business cases for waste heat recovery or combined heat-and-power (CHP) projects.

Public reporting of sustainability metrics alongside PUE.

Contractual and regulatory disclosure of reused energy delivered to external users.

Related standards

ISO/IEC 30134-1 - Overview and general requirements for data centre KPIs

ISO/IEC 30134-2 - PUE (Power Usage Effectiveness) specification (used for aligned boundary definitions)

ISO 8601-1:2019 - Date/time representations referenced for reporting

ISO/IEC 30134-6:2021 provides a standardized, transparent method to quantify and report data centre energy reuse, helping operators demonstrate real-world reductions in primary energy demand and support circular energy economy projects.

ISO/IEC 30134-6:2021 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

Related standards

Технические детали

ISO 8601-1:2019

Date and time — Representations for information interchange — Part 1: Basic rules

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

Information technology — Data centres — Key performance indicators — Part 1: Overview and general requirement…

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

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