The energy regulator is responsible for a series of mistakes and missed opportunities that allowed the collapse of dozens of energy suppliers and led to spiralling household bills, according to a report by a leading consumer rights charity.
Citizens Advice has blamed the industry regulator, Ofgem, for failing to take action against rule-breaking suppliers for almost 10 years despite mounting concerns over the energy market.
In a damning report, the consumer watchdog warned that there was evidence
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