The shadow chief secretary to the Treasury has called on energy companies "who have been making very large profits" to do "everything they can" to help their customers get through the winter. Darren Jones adds more investment needs to be made in UK-based renewable energy and that insulating homes should be made cheaper and easier for households. Ofgem's energy price cap takes effect this weekend amid concerns households could still end up paying around 13% more than last winter. Report by Brooksl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn