HK Electric customers are set to fork out more for their energy bills next month after the Hong Kong firm announced a 20.4 per cent rise in its fuel surcharge as the ongoing war in the Middle East contributed to volatile oil prices. The energy provider, which mainly serves Hong Kong Island and Lamma Island, also warned that the fuel surcharge was expected to continue going up “in the coming months”. In a statement on Friday, HK Electric announced it would adjust its “fuel clause charge” for June