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The energy demand of ICT: A historical perspective and current methodological challenges
KTH, School of Computer Science and Communication (CSC), Centres, School of Architecture and the Built Environment (ABE), Centres, Centre for Sustainable Communications, CESC. University of Zurich, Switzerland .
2015 (English)In: ICT Innovations for Sustainability, Springer, 2015, 71-103 p.Chapter in book (Refereed)
Abstract [en]

This chapter provides an overview of energy demand issues in the field of ICT with a focus on the history of measuring, modelling and regulating ICT electricity consumption and the resulting methodological challenges. While the energy efficiency of ICT hardware has been dramatically improving and will continue to improve for some decades, the overall energy used for ICT is still increasing. The growing demand for ICT devices and services outpaces the efficiency gains of individual devices. Worldwide per capita ICT electricity consumption exceeded 100 kWh/year in 2007 (a value which roughly doubles if entertainment equipment is included) and is further increasing. Methodological challenges include issues of data collection and modelling ICT devices and services, assessing the entire life cycle of ICT devices and infrastructures, accounting for embedded ICT, and assessing the effect of software on ICT energy consumption.

Place, publisher, year, edition, pages
Springer, 2015. 71-103 p.
Series
Advances in Intelligent Systems and Computing, ISSN 2194-5357 ; 310
Keyword [en]
Energy conversion, Energy policy, Green ICT, Green software, ICT energy consumption, ICT life cycle, Regulation, Standby power
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-166909DOI: 10.1007/978-3-319-09228-7_4Scopus ID: 2-s2.0-84927656883ISBN: 978-3-319-09227-0 (print)ISBN: 978-3-319-09228-7 (print)OAI: oai:DiVA.org:kth-166909DiVA: diva2:817959
Note

QC 20150608

Available from: 2015-06-08 Created: 2015-05-21 Last updated: 2015-06-08Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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