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Economy 7 is a differential tariff provided by United Kingdom electricity suppliers that uses base load generation to provide cheap off-peak electricity during the night. Houses using the Economy 7 tariff require a special electricity meter which provides two different readings - one for electricity used during the day, priced higher, and the ...
The typical use of a teleswitch is to manage the start and end times of off-peak charging periods associated with tariffs such as Economy 7 and Economy 10.This includes switching between 'peak' and 'off-peak' meter registers as well as controlling the supply to dedicated off-peak loads such as night storage heating.
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Economy 10 thus requires a special multi-tariff meter, different from an Economy 7 meter. For example, customers in central Scotland (within the Scottish Power Energy Networks DNO area) are on the following times: 3 hours in the afternoon (1.30pm - 4.30pm) 4 hours in the evening (8.30pm - 12.30am) 3 hours in early morning (4.30am - 7.30am)
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2 "Consequently a house requires at least 20% of its consumption during the off-peak period to save money."
A storage heating system takes advantage of cheaper electricity prices, sold during low demand periods such as overnight. In the United Kingdom, this is branded as Economy 7. The storage heater stores heat in clay bricks, then releases it during the day when required. Newer storage heaters are able to be used with various tariffs.
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