The poorest UK households may end up having to spend a fifth of their income after housing costs on electricity, Bloomberg has reported, citing data from the Joseph Rowntree Foundation, a charity focused on poverty. According to the data, people living alone could be required to spend more than half of their income on energy after an energy price cap was raised, which is expected to happen in April. Ofgem, the UK’s energy market regulator, updates the energy price cap twice a year based on the wider price context. Expectations are for a substantial…