We're all in this together (part 23)

In case you missed it, here we go:

British Gas has stunned households across the UK by announcing a rise in gas and electricity prices of 18% and 16%, just eight months after it raised its prices by 7%.

British Gas is part of Centrica. According to its annual accounts for 2010, Centrica made a profit of £1,942 million, up from £856 million in 2009.