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Market Insights: A Selection From The Report
The function of a data center is to house the infrastructure needed to store and serve vast amounts of data. These facilities house servers, storage devices, network equipment, power supplies, cooling equipment and other infrastructure. An estimated 33 million servers were in use within data centers globally in 2005. This number is expected to grow to more than 122 million by 2020.
Data centers consumed 130 billion kilowatt hours of electricity in 2005, or 0.7% of the world’s electricity generation that year. About half of the electricity consumed within a data center is used to power servers and storage devices, while approximately 45% of the electricity used by the data center is for cooling systems and the balance for operation of uninterruptible power supplies (UPS). Assuming no energy reduction initiatives, by 2010 electric consumption of data centers will have grown to 210 billion kilowatt hours and to 355 billion kilowatt hours by 2015. Data centers would then account for over 1.5% of projected total global electricity generation in 2015.
The forecasted energy consumption and associated carbon emissions shown in Figure 3-3 above assume no energy reduction initiatives. However, there are several technological developments and trends underway which will lead to reduced energy use within data centers. These include…