The British Gas increase will affect about four million customers (Image: Getty Images)
Ofgem announced on February 7 that it would increase the price cap for standard variable gas and electricity tariffs by £117 to £1,254 a year from April 1. In just a few days, Centrica - which owns British Gas - is expected to announce pre-tax earnings of £1.4billion for 2018. Scottish Power's £117 rise will affect 900,000 customers from April. Its prepayment meter customers will face a £106 annual rise.
The British Gas increase will affect about four million customers, who will also pay £117 more over a year. Prepayment meter customers will pay £107 more.
The price rises have been put down to increases in wholesale energy costs.
Last night, consumer groups
