UK energy suppliers are failing vulnerable customers, says Ofgem

Watchdog finds severe weaknesses' at Good Energy, Outfox, So Energy, TruEnergy and Utilita

Energy companies are failing vulnerable customers, Britain's energy watchdog said, calling for urgent improvement ahead of a cold winter.

Ofgem told all 17 energy suppliers in its third review into the sector to improve their support for customers, in particular vulnerable ones. It found severe weaknesses" in five suppliers - Good Energy, Outfox, So Energy, TruEnergy and Utilita.