From The BBC:
Two more energy firms have said they will increase gas and electricity prices, blaming higher wholesale costs.
Scottish Power said it would raise gas prices by an average of 34% and electricity prices by 9%, effective from Monday 1 September.
Soon after, Npower said domestic customers would see an average rise of 14% for electricity and 26% for gas, effective immediately.
E.On, British Gas, EdF and Scottish and Southern Energy have all raised prices.
Scottish Power said it was “forced to follow other energy providers”.
“These are difficult times and we understand the financial impact this announcement will have on our customers,” said Willie MacDiarmid, Scottish Power’s director of energy retail.
He added that the volatility in the gas market was contributing to higher UK domestic prices.
Dual fuel customers will see their bills increase by an average of 25%.
Scottish Power also said it planned to spend £40m on steps to help protect vulnerable customers over the next three y…