Use Excess Solar Power To Heat Water

In australia there are two primary types of electricity tariffs.

Use excess solar power to heat water.

An ecocent is a replacement for your hot water tank and will generate your hot water all year round using a minimum of electricity. Those areas of. 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. 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.

Putting cost considerations aside for a minute. Example of a tankless water heater by rheem. 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 don t have an immersion heater or hot water tank of any description.

The above system would use 10kwh day x 365days 3650 kw year. At the t33 rate of 20 3 cents your hot water would cost 759 year. With a coil from the boiler for top up on a timer. Heating water with excess solar using a reliance 6 gallon tank and a sonoff switch duration.

Most solar power households feed excess electricity back into the grid for very little financial reward. An ecocent is a combined hot water heat pump and cylinder. 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. Designed to automatically use excess pv power in order to increase solar energy usage.

Iboost features and benefits. The third way to utilise the electricity your solar pv installation is producing to heat your hot water is with an ecocent unit. Most hot water systems are able to comfortably run off tariff 33. Image via rheem australia 2.

A hot water heat pump could put that power to better use by heating water for evening use. 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. This increases to over 120 if you use oil or lpg to heat your water. Payback on this size of system is typically 5 to 7 years.

Solaredge s smart energy products allow users to decrease their electricity bills improve energy independence and enjoy automatic on the go device control. It is wireless so there are no cables to run.