Ecotricity founder Dale Vince faces a legal battle for maintenance from his ex-wife 20 years after their divorce.

After Mr Vince split from his wife Kathleen Wyatt in 1992 the 51-year-old took up a nomadic existence as a New Age traveller before starting a wind energy business from a trailer he was living in.

Mr Vince was not ordered to pay any maintenance because he was broke at the time, London’s Civil Appeal Court heard.

Mr Vince is now thought to be worth £100 million and his company Ecotricity Limited supplies energy to more than 70,000 customers and had a turnover of more than £44m in 2010-20...