Why windfall taxes are a rotten idea

Annual profits of £9.5 billion at BP this week followed a £20 billion jackpot at Shell last week, thanks to soaring global wholesale energy prices that BP boss Bernard Looney recently said had turned his company into a ‘cash machine’. For the very same reason, Ofgem has announced a 54 per cent (roughly £700) increase in the energy price cap for 22 million UK customers, while the Chancellor is scrabbling to keep at least some of those households out of ‘fuel poverty’ by offsetting half the rise with a £200 energy discount, to be recouped over five years, plus a...