The 9,300 magnets inside the 27 km circumference of the Large Hadron Collider are designed to be refrigerated for operational use. 10,080 tonnes of liquid nitrogen are needed to cool them down to -193.2C, before they are filled with nearly 60 tonnes of liquid helium, which cools them further to -271.3C, the worlds largest refrigerator! That must take some serious energy!
The data we use to work out energy and water costs come from a range of reliable international sources to give an average figure. Figures are rounded up or down to the nearest whole number.
* Total amounts potentially saved do not include lighting in individual rooms, or use of secondary heating.
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