One solar panel would be enough to power a traditional storage hot water heater throughout a day as this is the most inefficient appliance used in most homes.
Use excess solar power to heat water.
At the t33 rate of 20 3 cents your hot water would cost 759 year.
An ecocent is a combined hot water heat pump and cylinder.
Solaredge s smart energy products allow users to decrease their electricity bills improve energy independence and enjoy automatic on the go device control.
Most hot water systems are able to comfortably run off tariff 33.
Image via rheem australia 2.
Designed to automatically use excess pv power in order to increase solar energy usage.
An ecocent is a replacement for your hot water tank and will generate your hot water all year round using a minimum of electricity.
With a coil from the boiler for top up on a timer.
Payback on this size of system is typically 5 to 7 years.
The above system would use 10kwh day x 365days 3650 kw year.
In australia there are two primary types of electricity tariffs.
We don t have an immersion heater or hot water tank of any description.
A second option to explore is the use of a dedicated solar thermal hot water heating system coupled with a heat pump to make the most cost effective option on the market.
We recommend the solar iboost to provide hot water via excess pv electricity.
Type of electricity tariff.
Flat rate time of use tou either of these can be used to power a hot water element in conjunction with solar hot water solar pv and possibly a controlled load tariff see below.
Diy 1 3kw solar panels pv to heat water directly solar pv electric water heater duration.
Example of a tankless water heater by rheem.
A hot water heat pump could put that power to better use by heating water for evening use.
Heating water with excess solar using a reliance 6 gallon tank and a sonoff switch duration.
Putting cost considerations aside for a minute.
The third way to utilise the electricity your solar pv installation is producing to heat your hot water is with an ecocent unit.
If however you ran all your hot water off your excess solar power worth 8c if you exported it you could save 12 3c kwh or 448 year.
Iboost features and benefits.
Most solar power households feed excess electricity back into the grid for very little financial reward.
I understand we could fit a hot water tank with an electrical element at the base to use the excess solar generated electricity via an intelligent switch.