30
energy consumption of data
centres, relative to their
output. Most new data
OGY centres today are targeting a
PUE of 1.7, but a PUE of 1.6 is
certainly achievable and there
are some data centres under
TECHNOL construction aiming for even
lower PUEs.
PUEs are important because
they also provide clients who
use hosted data centre
services with an indication of dramatically reducing energy yet ready to build new data
GREEN IT
energy consumption. In the consumption. centres, can benefit from
near future, they will be used technologies and processes
by potential clients as a Eco-friendly data centre that reduce power
deciding factor as to which design is also driven by new consumption, such as data
data centre service to use. energy efficient building de-duplication and turbine
regulations in the UK that units that create refrigerated
Data centre site selection is a demand by 2010 that 10 per air for cooling the data centre
complex art as organisations cent of the energy supplies by drawing on free external
adopt a multi-data centre for new buildings must be air.
estate. Basell II accord and generated at site location. At
business continuity the moment, only 5 per cent While data centres can’t be
requirements are driving of the total amount of energy green in the true sense of the
organisations to separate generated in the UK comes word because by definition
their data centres from from renewable sources. Not they draw enormous amounts
business operations to only has this energy source of power, there are business
mitigate risk. Additional been bagged by forward- demands and government
organisations are assessing looking companies, there is regulations that require that
energy market volatility and also a waiting list. To they adopt an eco-friendly
energy supply risk in their risk compound difficulties for design. That is, far more
assessments. While primary some, London’s former mayor energy-efficient than they are
data centre selection is driven Ken Livingstone, stipulated today. And to achieve this
by proximity to customer that London-based companies requires just a little forward-
market, secondary and must ensure 20 per cent of thinking and investment that,
disaster recovery sites may be energy comes from renewable in the face of spiralling energy
located near to alternative sources. costs, will deliver a relatively
energy sources such as bio- quick return on investment.
mass power plants and Organisations affected by this
hydroelectric power stations, ‘London-ruling’ and those not www.hds.com
PUEs are important because they also provide
clients who use hosted data centre services with
an indication of energy consumption.
JUNE 09 WWW.SNS-UK.CO.UK
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