He added: “People don’t know what a therm is, but, underneath it, the price per therm has gone from 60p to around £5 at the moment and that’s what’s passing through to customers if we don’t do something,”
Article source: https://www.huffingtonpost.co.uk/entry/energy-bills-gas-electricity-inflation-explained_uk_6303da91e4b0e323a257cd19