Excess Solar Power To Heat Water

With a coil from the boiler for top up on a timer.

Excess solar power to heat water. We recommend the solar iboost to provide hot water via excess pv electricity. Install a load shift timer. Iboost features and benefits. In australia there are two primary types of electricity tariffs.

Eddi is a solar power diverter for use with grid tied pv or wind turbine systems. Type of electricity tariff. Every unit of power used to heat the hot water in this way reduces imported energy by the same amount resulting in a significant saving in imported energy costs. We don t have an immersion heater or hot water tank of any description.

Use the excess energy generated from a solar pv hydro wind turbine to heat your water for free. Payback on this size of system is typically 5 to 7 years. Excess energy from the micro generation system is used to heat water or rooms rather than exporting it to the grid. 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.

Two methods of using solar electricity to produce hot water. The aws tm sunmate is an innovative renewable energy management product that will use all the surplus power generated by your solar or wind power to produce hot water. Image via rheem australia 2. It makes financial sense to use that extra power generated by your pv to heat water rather than exporting to the grid as buying electricity and gas from the grid for heating water remains expensive.

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. 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. Set the timer to run when your solar is running. Most solar power households feed excess electricity back into the grid for very little financial reward.

Putting cost considerations aside for a minute. A hot water heat pump could put that power to better use by heating water for evening use. 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. 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.