E.On loses 200,000 customers - and it's not the only major player people are waving goodbye to - is it time for you to go too?

E.On loses 200,000 customers - and it's not the only major player people are waving goodbye to - is it time for you to go too?
After price hikes in Spring, energy giant E.On has admitted 200,000 of its British customers have left - but they're not the only big player losing out to cheaper rivals