What are solar diverters and how do they work for hot water systems?
Solar diverters are an innovative solution designed to maximise the efficiency of solar energy systems, particularly in relation to heating water. They work by redirecting excess solar power, that might otherwise be exported to the grid, to heat water in a home’s hot water system. This not only enhances energy efficiency but also reduces reliance on grid electricity, leading to potential savings on energy bills.
These devices are particularly beneficial for households with solar panels, as they ensure that the energy produced is utilised optimally. By prioritising the use of solar energy for heating water, solar diverters help in reducing the carbon footprint and making the most of the renewable energy generated by your solar panels.

The primary function of a solar diverter is to monitor the energy flow within a household. It detects when there is surplus electricity being generated by solar panels that is not immediately needed for other household appliances. Instead of sending this excess energy back to the grid, the diverter redirects it to an immersion heater in the hot water cylinder, ensuring that the solar energy is effectively used.
This process is managed automatically, with the diverter continuously assessing the energy needs of the home and adjusting the flow of electricity accordingly. By doing so, it minimises wastage and maximises the use of free solar energy, resulting in a more sustainable and cost-effective energy solution.
Moreover, solar diverters contribute to energy independence by reducing the amount of electricity a household needs to purchase from the grid. This not only helps in cutting down electricity bills but also ensures that the household is less affected by fluctuations in energy prices, making it a worthwhile investment for those looking to make their homes more energy-efficient.
