Uswitch has warned the total owed to energy companies is £780 million, which is the highest level in eight years.
EXCLUSIVE: With household costs still on the rise, experts reveal a simple change that could save money, cut carbon and make homes warmer this winter.
Average annual energy bills rose an average of 2% on 1 October for those on standard price-capped tariffs (most households).
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback