Octopus, British Gas and Ovo customers could be paid for using less electricity
The network operator has said households could save up to £100 through the limited scheme.
The network operator has said households could save up to £100 through the limited scheme.
The average household bill would have reached around £4,279 a year without the government's support scheme.
All 17 suppliers who submitted data to the regulator were told they had to improve their practices.