Electricity distribution network operators (DNOs) should be nervous. While their network peers in transmission and gas distribution are safely into their first year of the RIIO price settlement, DNOs face the nail-biting wait for Ofgem’s draft determination in July. MPs are lining up an inquiry into network costs and DNOs look like the readiest target to press for price cuts. Now British Gas has weighed in to helpfully suggest slashing £500 million a year from their revenue allowances.