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Alternatively , since diesel-powered generators remain the main source of standby energy for data centres , these are also a key focus area for sustainability , and research into alternative fuel sources is well underway .
“ The use of hydrogenated vegetable www . datacentreworld . com / DataCentreMagazine oil instead of diesel in generators has the potential to reduce carbon emissions by up to 90 %, as well as eliminating sulphur dioxide emissions and reducing harmful nitrogen oxides , and there are a number of these deployments already operational ,” explains David Watkins , Solutions Director for VIRTUS Data Centres .
“ Hydrogen fuel cells are another emerging technology for providing standby power , and while not yet scalable to the levels required by a large data centre , can be used tactically within new builds – for example , to support the office areas .”
Beyond a site-by-site basis , investments in these areas are benefiting the entire grid .
“ Data centre investment is also leading to significant improvements to the mains grid , with data centres often directly funding the additional resources required , such as substations , to deliver the required power . The industry also has a long-term planning strategy to ensure capacity is available , so future power is secured ahead of time to limit clashes with local requirements ,” Watkins outlines .