She cited new figures that showed residents are paying on average £327 a year more than they should.
Sheffield families '˜overcharged' by energy firms by Â£5 million
Major energy companies are overcharging families in Stoksbridge and Penistone by more than Â£5m a year, according to MP Angela Smith.
By The Newsroom
Sunday, 16th October 2016, 9:00 am
Tuesday, 25th October 2016, 4:16 pm