The business that came in last in the rankings contests the results, even though industry watchdogs for the energy sector keep alerting suppliers to the possibility of fines for any failures related to subpar customer service.
When the consumer advocacy group Which? added its own evaluation of businesses’ practices to its survey of bill-payers, it found that British Gas was the worst performer overall.
The company owned by Centrica was trailed by So Energy and Boost, which is a division of Ovo Energy.
British Gas obtained a 56% aggregate rating.
In most categories, including value for money, accuracy of energy payments, and accessibility—the degree to which a customer can interact with it—it received two out of five stars.
Overall, the customer service received an average score of three stars.
British Gas scored one point out of ten for performance against its smart meter targets and just over half a mark for customer service.