A solar diverter is a device used in conjunction with solar panels to optimise energy usagewithin a household. Its purpose is to direct excess electricity generated by the solar panels towards a specific load or appliance, usually to heat water, instead of exporting it back to the grid. This maximises the overall. When the solar panels generate more electricity than is currently being consumed within the home, the solar diverter detects this surplus and automatically diverts the. Rebecca Armstrong, Managing Director of Making Energy Greener, explains: “Instead of exporting excess electricity back to the grid, a solar diverter redirects this surplus energy to. David Lukeman, Managing Director of HeatElectric, says, “Solar diverters can often pay for themselves in just two years. Although the best way to use your solar energy really varies from. According to HomeHeatingGuide, the Solar iBoost from Marlec is the most popular choice of power diverter in the UK and can cost between.