But that's not their problem,,, it's yours.with E-On they say they do economy 7 tarrif but cant change it otherwise would have to change heating and water tank????
Probably not. Economy 10 comes on at various times of the day (Varies slightly between suppliers) to keep the 'normal' heating & hot water topped up. Economy 7 is all at night.And I guess you have night storage heaters and a twin element immersion cylinder.....
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