EDF and Utilita have been named the worst energy suppliers for customer service by Citizens Advice.
Research by the charity has found more than five million people in the UK are living in households in debt to their supplier. . EDF, one of the highest-scoring suppliers this time last year, has fallen to the very bottom after its average call waiting times jumped from just under a minute to more than five minutes in less than a year.Citizens Advice said there had been an improvement in average call waiting times following new guidance from Ofgem in December.
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