solar panels

A lot of solar panels installed a few years ago are looking pretty dirty - a lot of lichen too.  Must be an opportunity there as it's going to be affecting output. Is there a risk of electric shock? There's no way of stopping the things producing current, whatever you do to the controls. And...

Private gated community. 8 houses and 2 bungalows, 120 panels - 2.5 hours. A nice finish to the week. 

Hi there, We run a nice wfp window cleaning business and are looking to add solar panels to our offering. Could someone let us know what's involved? Do we need extra tools/ special training to start? I read somewhere on this forum that we need to make sure we've got it added onto our...