Are solar roof tiles, like Tesla's, worth it? Finn Peacock November 07, 2018 08:41 Updated Follow We have an in-depth analysis of Tesla's roof tiles here. Related articles What is better, a monocrystalline or a polycrystalline solar panel? How can I compare different battery storage products? How do I install micro inverters on a 3 phase supply? My installer has quoted 8.91 kW of panels with a 7.3kW inverter. Will I lose energy? Since no one lives at home during the day, I would hardly save anything on the electric bill. So do you suggest buying a battery? Comments 0 comments Please sign in to leave a comment.