Balcony solar panels can save 30% on a typical household’s electricity bill and, with vertical surface area in cities larger than roof space, the appeal is clear
Wrong question. The right question is: is the solar panel able to be CO2 neutral (at least) or CO2 negative. We don’t get anything out of it if producing the solar panel costs more CO2 emissions than it saves by producing electricity.
Before you ask: I don’t know the answer. I was looking into this thread in hope to find it.
Less efficient than not having them?
Wrong question. The right question is: is the solar panel able to be CO2 neutral (at least) or CO2 negative. We don’t get anything out of it if producing the solar panel costs more CO2 emissions than it saves by producing electricity.
Before you ask: I don’t know the answer. I was looking into this thread in hope to find it.