Ofgem said on Friday it was consulting on proposals for a one-off cap adjustment of £16 – equivalent to around £1.33 a month – to be paid between April 2024 and March 2025.
Those on pre-payment meters would not be affected by the plan, the watchdog said, adding the sum it wanted to impose on households was down on an initial proposal of £17.
The energy watchdog said the £3bn debt pile was a result of the impact of the energy-driven cost of living crisis on household budgets.
