Since last summer, the Competition and Markets Authority has been studying the energy sector, focusing on ‘dual-fuel’ prices.
According to their investigation, from 2012 to 2014, over 95% of customers who buy two types of fuel from a supplier would have saved money by switching suppliers or tariffs.
The missed savings ranged from £150 to £234 per customer per year.
This investigation started in response to a referral from Ofgem, the UK’s energy regulator. They were concerned with the...