Energy efficiency and renewable energy integration in data centres. Strategies and modelling review

Eduard Oró, Victor Depoorter, Albert Garcia and Jaume Salom

Renewable and Sustainable Energy Reviews, 2015, vol. 42, issue C, 429-445

Abstract: The continuous growth in size, complexity and energy density of data centres due to the increasing demand for storage, networking and computation has become a worldwide energetic problem. The emergent awareness of the negative impact that the uncontrolled energy consumption has on natural environment, the predicted limitation of fossil fuels production in the upcoming decades and the growing associated costs have strongly influenced the energy systems engineering work in the last decades. Therefore, the implementation of well known and advanced energy efficiency measures to reduce data centres energy demand play an important role not only to a supportable growth but also to reduce its operational costs. The carbon footprint is greatly influenced by the energy sources used. Therefore, there have been recent efforts to exploit and reuse or combine green energy sources in data centres to lower brown energy consumption and CO2 emissions. This paper presents a comprehensible overview of the current data centre infrastructure and summarizes a number of currently available energy efficiency strategies and renewable energy integration into data centres and its characterization using numerical models. Moreover it would be necessary to develop dynamic models and metrics for properly understand and quantify the energy consumption and the benefits of applying the incoming energy efficiency strategies and renewable energy sources in the data centres. Thus, the researches or investors will be able to compare with reliability the different data centre designs and choose the best option depending on the renewable energy sources and capital available.

Keywords: Data centre; Energy efficiency; Renewable energy; Green computing; CO2 emissions; Numerical models (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (34)

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DOI: 10.1016/j.rser.2014.10.035

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