Environmentalists say the Bill does not go far enough, because it does not include a target to slash carbon emissions from the power sector by 2030.
[The lack of a target was] jeopardising green jobs and industry and undermining efforts to tackle energy insecurity and climate change.
George Osborne's fossil-fuelled economic strategy will keep the nation locked into dirty gas for decades - and with experts predicting gas prices will carry on rising, cash-strapped households will be forced to foot the bill.
It is the Government's long awaited light bulb moment. The Energy Bill published today envisages changes that would reach into our lives.
By 2020 we will be paying nearly £100 a year more for energy. But whether bills will come down again afterwards is still in dispute.
The coalition will announce plans on updating the energy infrastructure of pylons and power stations, and cutting our reliance on carbon.