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Central Heating & Storage Heaters Forum
Economy 7
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<blockquote data-quote="ProDave" data-source="post: 505188" data-attributes="member: 6969"><p>A large storage heater is usually rated for a 7 hour charge and consumes about 3Kw of electricity, so can store about 21kWh of heat each night. Assuming your off peak rate is say 10p per unit, that could use £2.10 of electricity per day. If all 3 heaters are large ones, that would be £6.30 per day.</p><p></p><p>In practice they won't use that much as they usually have some heat from last night so are not "empty" and you rarely have them on their highest input setting.</p><p></p><p>I suspect your £10 per day also covers your daytime usage and I suspect you are on an expensive tariff due to the pre payment meter.</p></blockquote><p></p>
[QUOTE="ProDave, post: 505188, member: 6969"] A large storage heater is usually rated for a 7 hour charge and consumes about 3Kw of electricity, so can store about 21kWh of heat each night. Assuming your off peak rate is say 10p per unit, that could use £2.10 of electricity per day. If all 3 heaters are large ones, that would be £6.30 per day. In practice they won't use that much as they usually have some heat from last night so are not "empty" and you rarely have them on their highest input setting. I suspect your £10 per day also covers your daytime usage and I suspect you are on an expensive tariff due to the pre payment meter. [/QUOTE]
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