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http://www.ergon.com.au/retail/residential/tariffs-and-prices/economy-tariffs
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Tariff 31
Tariff 31 is known as the Super Economy Plan and is the cheapest off-peak tariff available for water heating.
However, tariff 31 is only available at low electricity-demand periods, such as at night when generators would otherwise be idle.
Electricity supply is made available for a minimum of eight hours per day at times set by the network owner (Energex or Ergon, depending on where you live) at their discretion, typically between the hours of 10pm and 7am . On some days electricity supply may not be turned off at all. This tariff is about 59% cheaper than your normal domestic tariff.
Tariff 31 is best suited to water heaters and can be a great way to reduce your power bill.
Tariff 33
**broken link removed** is known as the Economy Plan and is ideal for medium sized electric storage water heaters, solar-electric water heaters and heat pump water heaters. This tariff is also appropriate for other domestic loads such as swimming pool filters, water bed heaters and some freezers, provided they are permanently connected.
This tariff is up to 40% cheaper than your normal domestic tariff. Electricity supply is available for at least 18 hours per day and is switched via load control equipment supplied and maintained by the network provider. The times of supply are completely up to the network provider, but are generally outside of the hours of 5-9 pm.
Gary350 - You seem to be talking about a simple day timer without battery backup
Such a timer needs a battery backup I think to do what you say if used in Australia. .
Power is not connected to the power point all the time . A special meter supplies power to it when the company decides .See above. It is OFF at all other times
General -Spurred on by this thought of a battery backup on a timer I see this unit on ebay and I think it might do the job .
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