Datacentre energy efficiency and green IT
Learn how to green your datacentre with advice on increasing datacentre energy efficiency, building a case for a sustainable datacentre, and complying with UK and EU energy-efficiency regulations.
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News
12 Sep 2025
TechUK report on datacentre water usage habits criticised
Non-profit questions the reliability of TechUK’s study on water use, arguing that its anonymous, self-reported data may give a misleading picture of the sector’s environmental impact. Continue Reading
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Feature
12 Sep 2025
How AI and the Trump administration are fuelling ‘quiet quitting’ on IT sustainability
A decade ago, companies loudly boasted about their ambitious net-zero targets. Today, some of the world’s largest technology enterprises are quietly stepping back from those commitments Continue Reading
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News
31 Jan 2013
Case study: Menzies Aviation upgrades in-house datacentre
Menzies Aviation has updated its three internal datacentres with new servers, storage and cooling products rather than invest in cloud computing Continue Reading
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News
28 Jan 2013
Travel service provider Concur builds datacentres in Europe to support growth
Integrated travel and expenses service provider, Concur Technologies, has built colocation datacentres to cater to European customers Continue Reading
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News
06 Dec 2012
Case Study: Tesco's £65 million data centre strategy to drive online growth
This Computer Weekly case study, packed with photographs and data, gives the inside story of Tesco's £65 million data centre strategy. Continue Reading
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News
06 Dec 2012
VMWorld Case Study: Catalent Pharma Solutions
A robust virtulisation, back-up and disaster recovery plan, helped Catalent Pharma Solutions survive an earthquake, tsunami and a fire in 2011. Continue Reading
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News
21 Nov 2012
Firms must measure overall environmental impact of datacentres
IT must move beyond just measuring a datacentre’s power consumption to assessing its overall environmental impact to make it truly sustainable Continue Reading
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News
05 Nov 2012
VMworld Europe 2012 User Awards The National Trust
For many, a green datacentre and a reduced carbon footprint strategy is a nice-to-have, but it was the driving factor behind a virtualisation project at the National Trust. The project has allowed the charity to reduce its carbon emissions and drastically cut its IT energy consumption. Continue Reading
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News
24 Oct 2012
CIO interview: Gerry Pennell, CIO, London 2012 Olympic Games
As the job of a lifetime nears its end, London 2012 CIO Gerry Pennell talks exclusively to Computer Weekly about his Olympic experience Continue Reading
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News
28 Sep 2012
Google opens €75m energy-efficient datacentre facility in Dublin
Google’s new €75m Dublin datacentre facility that that uses air-cooling for energy efficency is now operational Continue Reading
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Photo Story
24 Sep 2012
The future of computing at IBM Zurich research labs
Chips powered by the sun and cooled by water are just some of the long-term research projects at IBM's Zurich labs Continue Reading
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News
10 Apr 2012
Free tool measures how 'green' your data centre is: News roundup
A free tool to measure data centre energy efficiency; Citrix’s open cloud strategy with its CloudStack platform and Dell’s acquisition of Wyse are this week’s news highlights. Continue Reading
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Blog Post
13 Feb 2012
8 ways to make your software applications more energy efficient
Software Improvement Group and Knowledge Network Green Software have identified ways to deliver quick wins towards energy efficient software applications Continue Reading
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News
05 Jan 2012
Surrey County Council's data centre efficiency project: Case study
The council will replace its existing primary IT facility this spring with a new energy efficient data centre facility which will help it save around £160,000 every year. Continue Reading
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Tip
28 Sep 2011
8 power usage effectiveness (PUE) best practices for your data center
Power usage effectiveness (PUE) is a measure of power efficiency in data center IT equipment. Use these best practices to learn how to tweak PUE levels. Continue Reading
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Tip
09 Sep 2011
Free-air cooling – using natural cooling in the data centre
If your energy bills are soaring and you want a cost-effective means of maintaining your data centre’s temperature, consider natural cooling or free-air cooling. Continue Reading
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Tip
05 Aug 2011
Water cooling vs. air cooling: The rise of water use in data centres
When comparing water cooling vs. air cooling techniques in data centres, you will find that air cooling is more popular. But water cooling is making its presence felt again. Continue Reading