Centrica to challenge household energy price cap

LONDON (Reuters) - Centrica owner of Britain's largest energy supplier British Gas, said it is seeking a judicial review of the way regulator Ofgem has calculated part of its price cap, although it does not plan to delay the cap coming into effect.Ofgem is due to impose a price cap from Jan. 1 on the most commonly used default tariffs as the government seeks to limit household utility bills.The cap is expected to save UK households around 1 billion pounds a year.Centrica said it sought to..