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@John_Loader @Disputatore @gareth @Sarahw @kibcol1049

My relatives have solar + batteries and it seems the batteries are more useful for resillience rather than immediate payback - a couple of months ago they lost the grid supply for a whole hour (at least during daylight in good weather) and the entire house power demand was picked up by the solar + batteries without even making much of a dent in the battery charge level (rather like a giant UPS)