Energy bills for around 15 million people are set to fall this autumn, as the regulator, Ofgem, lowers the price cap. That's a saving of around £ 75 per household for families who have not switched providers and find themselves stuck on the highest tariff. But critics say the cap doesn't go far enough, with energy prices still higher than they were at the beginning of the year. Report by Thomasl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn