E.ON Energy Сustomer Service Utility CompanyE.ON Energy Phone: To make a payment: 0345 052 0000 Billing: 0345 301 4905 Moving: 0345 303 3020 Prepayment meter: 0345 303 3040 StayWarm enquiries: 0345 303 3060 / 0333 202 4755 Energy efficiency queries: 0345 301 4875 Central Heating Care: 0845 872 8593 Joing E.ON...
