A common question among UK solar owners is whether a bit of dirt really matters. In fact, debris on panels does reduce their power output. Any film of dust, pollen, or bird droppings blocks sunlight from reaching the cells. Studies show this…

Solar panels generally need periodic cleaning to keep generating power efficiently. In the UK, experts recommend cleaning panels about once every 12–18 months to “keep them performing well”energysavingtrust.org.uk. Cleaning removes dust, bird droppings and other grime that can reduce the sunlight reaching…