Solar PV

For many UK homes, yes. Current Energy Saving Trust estimates put a typical 4.5kWp system at around £7,600, with a modelled payback period of roughly 9 to 12 years depending on location and household. Panels typically last 25 years or more. How much of the electricity you use yourself matters a great deal. Based on the current Energy Saving Trust figures used in this guide, electricity you use at home is worth more than twice as much as a typical exported unit. Whether solar