The Ofgem cap is based on a "typical household" using 11,500 kWh of gas and 2,700 kWh of electricity a year with a single bill for gas and electricity, which they settle by direct debit.

The Ofgem cap is based on a "typical household" using 11,500 kWh of gas and 2,700 kWh of electricity a year with a single contract for gas and electricity, which they settle by direct debit.

While this is just under 1% of overall electricity demand, it would provide electricity for around one million homes, based on the current Ofgem estimate of average electricity usage per household of 2,700 kWh.

And the band said the energy produced by in-venue solar installations, kinetic dancefloors and power bikes has increased from 15 to 17 KwH per show - enough to power one of the smaller stage areas each night, and provide the crew with phone, laptop and tool-charging stations.

The Ofgem cap is based on a "typical household" using 11,500 kWh of gas and 2,700 kWh of electricity a year with a single contract for gas and electricity, which they pay by direct debit.