For years now the industry has been discussing the ultimate
green data centre, but secretly wondering what it means to be “really” green.
Now we need to test these claims objectively says Lex Coors,
VP Data Centre Technology & Engineering Group, Interxion
Interxion 6 year infrastructure efficiency gains. A consistent focus on measurement and year-on-year improvements is the
key, and the sooner the process starts the greater the potential gains.
will be the key calculation behind a broader energy rating Customer support
with more relevance to customers. For the dedicated carrier and vendor-neutral data centre
provider, there is one more characteristic which is key to
Modular Design & Operations making a data centre green:
Green data centres have other characteristics in both
design and operations. In order to minimise the Power Green customers. If your data centre PUE is less than 2,
Overhead and PUE, a green data centre should never be then the greater part of the power spent in the data centre
over-specified for the task it performs. This is why the is used to power customer IT equipment. Everyone
modular data centre build-out approach which I pioneered recognises that there are huge opportunities for gaining
for Interxion has now become the norm across the industry. efficiencies at minimal cost in the short term. Our role is to
Some energy-efficient components are now standard. support and advise.
Free-cooling on Chillers, for instance, is now a non-
negotiable element in a green data centre, a feature As well as keeping its own house in order, the truly green
which Interxion has been including in all build-outs since data centre should be a focal point for enabling these
2005. customer efficiencies, by sharing best practice on
installation, providing energy usage measurement
In addition, smart procurement drives efficiency gains over and analysis advice, and offering a range of tools and
time. Efficiency-focused Design Engineering Requirements services.
which approach the energy flow of the data centre as an
integrated system are the key. For instance a strict policy Working together with our customers, we can make the
should be in place for selecting UPS providers, floor energy efficiency of the equipment at the heart of the data
systems, or high Coefficient of Performance chillers which centre as green as the infrastructure of the data centre
work efficiently in combination. itself.
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