The waste products will be collected by Thames Water during the five-day festival as part of a green energy push.

Reading Festival human waste to be turned into renewable energy

Mr Robertson has only been in post for three years and will leave the company at the end of June.

Thames Water chief Steve Robertson steps down after criticism of leak record

Both people and animals were left ill, while thousands of fish were killed, after sewage entered the River Thames in 2013 and 2014.

Around 450 million litres of water per day is on standby, with temperatures expected to reach 30C this week. 