Just off the busy A473 in Bridgend, south Wales, is Oaklands Road, a quiet residential street lined with semi-detached houses. In 2017, Judith Cook lived in one of them. With a background in renewable energy and environmental consulting, it was here she and her business partner had a bright idea.
There was money to be made from selling gas and electricity to consumers and Cook, then 42, realised how easy it was to set up an energy supplier. You could in effect buy one off the peg. For a fee, a firm handed you the permissions needed to start an energy company, including a certificate from the regulator Ofgem, a computer system and help with how to buy gas and electricity.
Within weeks, Cook had