Sorry, new to solar and I am still in the research stage. I know the title sounds strange, but please let me explain.
I live in Japan and we have to go through registered dealers to sell electricity back to the grid. So a DIY setup will not be approved. What I wanted to do was build my own system and store any excess electricity made during the day (no one is at home during the day and electricity use is very minimal) in batteries for use in the evenings and night. Problem is with space being an issue going off my calculations I won't be able to make enough power to go completely off grid.
So , my question is, can you design a system that the house will run off the solar system and when all electricity is depleted from batteries or at night will switch to grid power?
I live in Japan and we have to go through registered dealers to sell electricity back to the grid. So a DIY setup will not be approved. What I wanted to do was build my own system and store any excess electricity made during the day (no one is at home during the day and electricity use is very minimal) in batteries for use in the evenings and night. Problem is with space being an issue going off my calculations I won't be able to make enough power to go completely off grid.
So , my question is, can you design a system that the house will run off the solar system and when all electricity is depleted from batteries or at night will switch to grid power?
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