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Review of benchmarks for small power consumption in office buildings

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conference contribution
posted on 2012-05-14, 14:25 authored by Anna Carolina Kossmann de Menezes, Noah Nkonge, Andrew Cripps, Richard BuswellRichard Buswell, Dino Bouchlaghem
There is significant evidence to suggest that buildings consume more energy than initially predicted during the design phase of building procurement. With increasing efforts to reduce the energy consumption associated with the operation of buildings, it is vital that these predictions be improved to represent the operation of buildings more realistically. One approach to bridge this gap would be to include energy consumption due to small power equipment in the energy models. Typically ignored, these end-uses usually represent between 13% and 44% of the total electricity consumption in an office building, according to Energy Consumption Guide 19. Currently there is little data available related to the electricity consumption of small power equipment in the context of office buildings. Existing data published in CIBSE Guide F is over a decade old and the use of office equipment and its associated technologies has changed significantly over this period. This lack of up-to-date benchmarks makes it increasingly difficult for designers to include small power consumption accurately within in their energy models. Following a detailed review of existing benchmarks for small power in office buildings, this paper presents a set of monitored data for a range of equipment commonly found in contemporary office buildings. Key metrics include details of power consumption and hours-in-use for both ICT equipment and kitchen appliances. In addition, a comparison of different laptops of varying specifications is provided and their subsequent impact on productivity is also discussed.

History

School

  • Architecture, Building and Civil Engineering

Research Unit

  • Centre for Innovative and Collaborative Engineering (CICE)

Citation

MENEZES, A.C. ... et al, 2012. Review of benchmarks for small power consumption in office buildings. CIBSE ASHRAE Technical Symposium, Imperial College, London, 18-19 April, 19 pp.

Publisher

CIBSE (Chartered Institute of Building Services Engineers)

Version

  • AM (Accepted Manuscript)

Publication date

2012

Notes

This is a conference paper. It is also available from the The Chartered Institution of Building Services Engineers website: http://www.cibse.org

Publisher version

Language

  • en

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