A material social view on data centre waste heat: novel uses and metrics

Terenius, Petter and Garraghan, Peter and Harper, R.H.R. (2022) A material social view on data centre waste heat: novel uses and metrics. Frontiers in Sustainability. ISSN 2673-4524 (In Press)

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Today’s data centres use substantial amounts of the world’s electrical supply. However, in line with circular economy concepts, much of this energy can be reused. Such reuse includes the heating of buildings, but also commodity dehydration, electricity production and energy storage. This multi-disciplinary paper presents several novel applications for data centre waste heat. Next, the paper accounts for three case studies, taken from three different societal contexts: urban Malaysia, rural Costa Rica and semi-urban Sweden. A discussion on data centre energy metrics leads to the development of a new metric, Datacenter Energy Sustainability Score (DESS), which is evaluated within the three use cases. Last, it is shown how a material social view on metrics provides a way past a problem that has haunted the data centre industry for the last fifteen years, whilst benefitting both data centre owners who want to compete through sustainability as well as stakeholders from governments on local, regional and national levels. The paper makes clear that a sustainability strategy should be based on a material social view and stretch beyond the building itself. In fact, and as demonstrated by the relevance of DESS, modern data centres are so energy-efficient that data centre sustainability is no longer mainly an engineering issue, but a matter requiring multi-disciplinary insights, approaches and collaboration.

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Journal Article
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Frontiers in Sustainability
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Deposited On:
12 Jan 2023 16:55
In Press
Last Modified:
28 Jan 2023 01:22