Bird defender
Bird defender solar guards are one way to prevent pigeons getting under your solar panels.
Pigeons can cause a lot of damage to the underneath of the panels. Continued nest building bringing in twigs etc can short out the wiring of the panels.
Then of course there is the toxic dropping they cover your garden in.
Cherry pickers and scaffolding is sometimes necessary but depending on the roof pitch we may be able to do it from the roof ladder, Keeping the cost down.