1. ITV Report

'Big six' energy firms forced to explain increasing bills

The so-called 'big six' energy companies were be forced to explain to Parliament why bills are increasing so much this winter.

A committee of MPs called them in after four firms put up rates by an average of more than nine per cent.

But only one company - E.On - put forward its chief executive for today's questioning - which has been called a disgrace.

E.On chief executive Tony Cocker gives evidence to a Commons Energy and Climate Change Committee Credit: Press Association

Tony Cocker said he has written to Prime Minister David Cameron calling for a competition commission investigation into the industry to be set up to help reassure customers

"I fundamentally believe that this market is competitive but I acknowledge we are not trusted and therefore I believe we need to have a very thorough competition commission investigation," he said.

ITV News Business Editor Laura Kuenssberg reports:

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