Glastonbury uses 30 megawatts of electricity over the weekend – about as much as the city of Bath.

(Of course there is no electricity for your tent, so don’t bother taking a hairdryer, but the 200 generators, which use 100km of cabling, are used to supply most of the stages, markets and backstage portacabins.

The festival is also making a big push to use renewable energy. The Green Fields – including the 1,000-capacity Croissant Neuf marquee – only use renewable energy, mainly from solar and wind power. And there are solar-heated showers (although not many visitors use them), while generators in several areas use biodiesel sourced from recycled cooking fat.

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