How do I know if my solar system is producing what it should be? Finn Peacock May 15, 2022 09:37 Updated Follow We explain this in detail here. Related articles Do I need to have regular maintenance on my solar system? What third party energy monitoring solution should I buy? How often and what should I use to clean my panels? Will my panels still work on overcast days? My first bill since getting solar has arrived, and I'm disappointed that the solar number is so low! Comments 0 comments Please sign in to leave a comment.