Or you have an older meter (still one that needs to be checked manually) which can count backwards. The only exception for this is if you have so much production on sunny days and can store it with batteries that you need literally 0kw from other sources.
Or you have an older meter (still one that needs to be checked manually) which can count backwards. The only exception for this is if you have so much production on sunny days and can store it with batteries that you need literally 0kw from other sources.