Energy Secretary Ed Miliband stuck by Labour's pledge that getting 95% clean power across the UK by 2030 will bring bills down by up to £300 but said he could not guarantee they would not rise in the meantime."This was based on independent modelling, which is what we used in the election that said that bills will be up to £300 lower in a clean power system."The independent national energy system operator has said plans to decarbonise are "achievable" and will give energy security, lower electric

Energy Secretary Ed Miliband stuck by Labour's pledge that getting 95% clean power across the UK by 2030 will bring bills down by up to £300 but said he could not guarantee they would not rise in the meantime."This was based on independent modelling, which is what we used in the election that said that bills will be up to £300 lower in a clean power system."The independent national energy system operator has said plans to decarbonise are "achievable" and will give energy security, lower electricity costs and can lead to lower bills, he told BBC Breakfast.Running renewable energy like offshore wind has a significantly lower cost than fossil fuels and means you are not hit by the price spikes of fossil fuels, he said.Asked if bills could rise in the meantime while investment is made to reach the 2030 target, he said: "The result of our plans will not be about raising bills. I can't guarantee what's going to happen to bills next month, because we're in the grip of the international fossil