*Winning deals are exclusive to energyhelpline and their partner switching services. Calculated against an average UK Big Six Supplier Standard Variable Tariff costing £1,221 a year. Usage for a typical home: Gas 12,000 kWh pa and Electricity 3,100 kWh pa. Payment Method: Monthly Direct Debit. The Winning collective deal from E.on is cheaper than the next cheapest major supplier deal from ScottishPower - Super Saver December 2019 B4 which costs £1,065. Correct as of 14 November 2018.