That is the average of how much SSE is putting its prices up for gas and electricity. The rest of the cartel will obviously follow.
It comes on the back of the warning from Ofgem that the UK has hardly any spare capacity in the system and that we could be in for power cuts as early as this winter. That is a year earlier than their old prediction.
The head of the National Grid says that the crisis is due to a lack of long-term planning by successive governments and a 20% in coal fired supply as they close down without replacement.
Maybe the three are linked? We don't have the supply so we might get power cuts - that would make the politicians look bad. However, if energy is made so expensive that nobody can use much of it the lights might stay on.....
I would not trust politicians NOT to use such a tactic.