Immersion heaters powered by solar pv.
Connect solar panel to immersion heater.
However you may not be aware that there is a gadget which enables you to keep this surplus energy use it to power your immersion heater reduce your electricity bills even further and still.
Modulation based solar pv surplus energy manager that monitors in house usage and pv power production to divert almost all the available surplus power to the immersion heater to heat water.
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Its intelligent sensing technology prevents the export of surplus power to the grid for negligible returns and uses it for local consumption meaning you.
Pure dc to heating element.
I believe this should work in principal and should raise temperature of water by 10 15 degrees in one day.
Solar pv panels produce electricity from the sun.
Using immersion heater for water tanks will ensure that after the water is heated by either by solar or the regular power source it can be stored in insulated storage tanks for later use.
I am planing to buy a 250 500 watt solar pv panel and connect it directly to my 2kw immersion heater attached to hot water cylinder without any convertor inverter in between.
These panels can be coupled with the immersion heater on the hot water tank to produce free hot water using a device known as a power diverter or solar pv optimiser.