The Chancellor is thought to be proposing a change to the way green power projects and home insulation schemes are funded.
The Treasury wants to remove the charges for the initiatives from energy bills and instead see subsidies for green schemes paid for out of taxes, according to reports. It is thought the plans could be announced in the Chancellor's autumn statement.
Last month, Deputy First Minister Nicola Sturgeon said energy charges in Scotland would be reduced by 5% [about £70] through the removal of certain "green" levies under independence.
The UK Government is keen to calm public anger over rising energy costs after a series of tariff hikes.
Labour leader Ed Miliband has already pledged to freeze gas and electricity prices for 20 months if his party wins the next General Election.