Centrica shares suffer biggest one-day fall as British Gas loses 823,000 accounts

Rise in electricity prices in September contributes to exodus of nearly 6% of customers between July and OctoberShares in British Gas’s owner, Centrica, have had their their biggest fall in a single day after the company shed 823,000 customers in four months and warned earnings this year would be below expectations.The UK’s biggest energy supplier said it lost nearly 6% of its customer accounts between July and October, with 150,000 of those heading for the door after the company rai