Are solar roof tiles, like Tesla's, worth it? Finn Peacock October 18, 2017 21:33 Updated Follow We have an in-depth analysis of Tesla's roof tiles here. Related articles What's the difference between a P-type and N-type solar cell? What is better, a monocrystalline or a polycrystalline solar panel? What is a PERC solar panel? How can I compare different battery storage products? Is the solar rebate ending anytime soon? Comments 0 comments Please sign in to leave a comment.