Centrica Plc shares rose the most in more than six months after Britain’s energy regulator published its long-awaited cap on power and gas bills for as many as 11 million customers.

Ofgem figure falls short of £100 promised by PM for customers on poor-value tariffsWhat does cap mean for households and firms?

From whether you should switch suppliers to how it could lead to job cuts Bills to be cut by around £75 for more than 11m households

Shares in British Gas owner Centrica leapt after Ofgem unveiled a cap that will save its SVR customers an average of either £69 or £72 depending on how they pay their bills

The changes only go 'as far as banning rip-offs', said the founder of a switching site

Gas and electricity bills will be cut by £75 for 11m households – but you can save even more