Energy and Climate Change Minister Greg Barker said the Government's Energy bill will give regulator Ofgem more powers to improve the markets and will be the biggest shake-up of the industry since privatisation.
We are also rolling out the Green Deal this winter. This is the biggest ever energy efficiency programme, that will help millions improve their homes so they are better insulated.
We have also brought in the Warm Home Discount, which will provide an extra £130 for two million of the most vulnerable households this winter.
The Chancellor has urged energy companies to reconsider their price hikes, in an interview with ITV News.
Households across Britain could be plunged into a "long, cold winter" after two major energy suppliers increased their prices today.
British Gas has confirmed they are putting their energy prices up for this winter by an average of six percent.