Off the back of this Which? is calling for the three suppliers to urgently improve their customer service.
One customer said that after being left on hold when trying to phone his supplier about a billing issue and then speaking to an agent who was unable to help, he suffered sleepless nights and anxiety over his unresolved billing problem. Another customer who was wrongly billed for having a gas supply said: "Customer service is absolutely useless.
If you fall into debt, you can always approach your supplier to see if they can put you on a repayment plan before putting you on a prepayment meter.If your supplier offers you a repayment plan you don't think you can afford, speak to them again to see if you can negotiate a betterBritish Gas also offers help via its British Gas Energy Trust and Individuals Family Fund.
"We're also helping our most vulnerable customers through our sector leading £140m customer support package."