What is a PERC solar panel? Finn Peacock September 27, 2017 08:33 Updated Follow We go into great detail about PERC panels here. Related articles What's all this fuss I've been hearing lately about battery storage and Tesla? What is better, a monocrystalline or a polycrystalline solar panel? Are solar roof tiles, like Tesla's, worth it? I want to mount my panels a long way from the switchboard - how thick should the cable to the switchboard be to minimise voltage drop? Are solar panels hail resistant? Comments 0 comments Please sign in to leave a comment.