What is better, a monocrystalline or a polycrystalline solar panel? Finn Peacock July 06, 2018 12:51 Updated Follow The short answer: Functionally, they're almost identical. There’s no need to worry about differences in performance between mono- and poly- crystalline panels. The longer answer is here. Related articles What panel brands do you trust? What's the difference between a P-type and N-type solar cell? What is a PERC solar panel? Are solar panels hail resistant? What can I expect my solar system to produce, on average, per day? Comments 0 comments Please sign in to leave a comment.