Digging into the underground datacentre 
Published: 09 May 2008 17:19 BST
Should both the National Grid connections fail, these two generators sited on top of the datacentre will kick in. The generators are capable of supplying 1MW of power. Five diesel tanks, large enough to hold 300,000 litres of fuel, are stored in a purpose-built extension to The Bunker, to keep the datacentre up and running.









