Public Community File library for data centre Energy Efficiency and Sustainability items.
This file collection is displayed within the Data Centre Alliance Public library here http://www.data-central.org/?page=Library
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US Data Centre Energy Usage Report 2016
PDF (5.97 MB)
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J. Booth, Carbon3IT
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28/07/2016
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ECO Whitepaper DCIM
PDF (6.69 MB)
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S. Campbell-Whyte
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26/01/2015
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Enhanced Capital Allowances and Tax credits
PDF (977.24 KB)
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Administration
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25/06/2014
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Overview of Tax relief available for expenditure on energy efficient equipment in UK
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CG-DCG ‘standardization landscape’ report
PDF (1.35 MB)
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S. Campbell-Whyte
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10/12/2013
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The CEN/CENELEC/ETSI Coordination Group on Green Data Centres (CEN/CLC/ETSI CG GDC) is a joint activity of the three ESOs which comprises representatives of the ESOs together with stakeholders of industry and EU projects.
The CG GDC maintains a ‘standardization landscape’ report (pdf format), which records existing standards addressing energy management of data centres and identifies any gaps that require further work. The report enables the Coordination Group to recommend future actions by relevant ESOs in order to fill these gaps.
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EU Code of Conduct Data Centres Web Site Link
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Administration
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18/11/2013
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EU Code of Conduct – 2015 Best Practices Link
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Administration
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05/03/2015
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V4:05
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DCA Report ISO Standards meeting 28-30 Oct 2013
DOCX (14.16 KB)
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S. Campbell-Whyte
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18/11/2013
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Harmonizing Global Metrics: EU Paper
PDF (1.46 MB)
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S. Campbell-Whyte
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08/10/2013
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Paper highlighting discussions for harmonizing energy efficiency metrics – this mirrors activities of ISO/IEC activities at that time.
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Minimising Data Centre Total Cost of Ownership Thr
PDF (772.16 KB)
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R. Tozer, Operational Intelligence Limited
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09/10/2012
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Data centres carry significant investment and operating costs, including energy costs. The industry grows with our increasing demand for IT services and operators face increasing pressure to reduce their environmental impact and deliver competitively priced services to support users. However, many existing data centres were designed without a ‘green’ design brief; priorities were focussed around infrastructure redundancy. There are significant opportunities to implement modifications to design and operation and reduce operating costs, particularly to cooling systems. These include managing data hall air, operating at higher temperatures, using free cooling and optimising for part load operation. By analysing where energy is used in the facility, improvements can be targeted, most of which have short payback periods. This results in massive reductions in energy (and sometimes capital) costs, whilst still delivering a reliable service.
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Data Centre Cooling Air Performance Metrics
PDF (2.87 MB)
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R. Tozer, Operational Intelligence Limited
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09/10/2012
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Data centre energy consumption has grown significantly in recent years; cooling energy forms a substantial part of this and presents a significant opportunity for efficiency improvements. Air management performance describes how effectively conditioned air is employed to cool IT equipment in the data centre. By understanding this, inefficient operation can be identified, quantified and targeted. A set of metrics is described in the paper which characterise the air flows within the data centre and how well these serve the cooling demand. These may be determined by making a series of temperature measurements in various locations within the space. Measured performance can be compared with optimal / ideal performance and action taken, such as installation of air containment, to improve the effectiveness of cooling delivery. These measures usually have a quick payback and can enable the realisation of energy savings from fan speed reduction and an increase in cooling set points, which
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Zero refrigeration for data centres in the US
PDF (1.37 MB)
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R. Tozer, Operational Intelligence Limited
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09/10/2012
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Data centre energy consumption has grown significantly in recent years; cooling energy forms a substantial part of this and presents a significant opportunity for efficiency improvements. With best practice air management in place, it is possible to reduce airflow and increase supply air temperatures. This can be achieved through separation of hot and cold air streams by cold aisle, hot aisle or rack exhaust containment systems. Once server air inlet temperatures are within a narrow range, close to the supply temperature from cooling units, it is possible to increase temperature set points with the confidence that IT equipment receives air at an acceptable temperature. This allows energy savings to be realised through more efficient refrigeration cycle operation and increased opportunities to benefit from free cooling; in many cases it may be possible to remove refrigeration altogether.
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ISO50001 Energy Framework
PDF (1.3 MB)
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S. Campbell-Whyte
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06/09/2012
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Yet to be deployed to the data centre specifically – but may provide an important framework going forward.
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Recommendations for measuring PUE
PDF (602.48 KB)
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S. Campbell-Whyte
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15/08/2012
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Recommendations for Measuring And Reporting Overall Data Center Efficiency
Version 2 – Measuring PUE for data centers
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Greenpeace report “How clean is your Cloud Link
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S. Campbell-Whyte
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30/04/2012
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Report by Greenpeace on cloud/ICT/datacentres, interesting views on data centre PUE etc.- and it advises industry to take responsibility for PUE.
Shows energy use of digital services and data centres is now beginning to awaken in public conciousness.
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Digital Agenda EU
PDF (315.85 KB)
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F. Verhagen
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11/04/2012
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The overall aim of the Digital Agenda is to deliver sustainable economic and social
benefits from a digital single market based on fast and ultra fast internet and
interoperable applications.
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