Spark Energy. Extra Energy. Gen4U. Future Energy. Usio Energy.Iresa. National Gas & Power. These seven small companies have one thing in common. During 2018, each ceased providing electricity supplies to British customers.
During last year there were no fewer than 73 active electricity suppliers licensed by the regulator Ofgem . In 2017 there were 60. This time seven years ago, there were just 14.