Use Excess Solar Power To Heat Water

Diy 1 3kw solar panels pv to heat water directly solar pv electric water heater duration.

Use excess solar power to heat water.

This increases to over 120 if you use oil or lpg to heat your water. A hot water heat pump could put that power to better use by heating water for evening use. 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. Most hot water systems are able to comfortably run off tariff 33.

At the t33 rate of 20 3 cents your hot water would cost 759 year. An ecocent is a replacement for your hot water tank and will generate your hot water all year round using a minimum of electricity. It is wireless so there are no cables to run. Heating water with excess solar using a reliance 6 gallon tank and a sonoff switch duration.

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. Image via rheem australia 2. The above system would use 10kwh day x 365days 3650 kw year.

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. Example of a tankless water heater by rheem. We recommend the solar iboost to provide hot water via excess pv electricity. Putting cost considerations aside for a minute.

Designed to automatically use excess pv power in order to increase solar energy usage. An ecocent is a combined hot water heat pump and cylinder. We don t have an immersion heater or hot water tank of any description. In australia there are two primary types of electricity tariffs.

Most solar power households feed excess electricity back into the grid for very little financial reward. 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. Type of electricity tariff.

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. 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.