Npower prices up – time to change to a cheaper home energy utilities supplier? Npower prices will be raised from 16th March 2017. One of the big six energy providers, Npower, said the rise in dual fuel bills would affect about half of its customers, or 1.4m households. From 16 March, it will raise electricity prices by an average of 15% and gas prices by 4.8%. Other big six providers are expected to follow with increases. Click here – A…