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True. Some systems are 'battery ready', in which case adding one is easier. Others aren't so that's when costs can add up. This is import to consider when putting in a new install.
True. Some systems are 'battery ready', in which case adding one is easier. Others aren't so that's when costs can add up. This is import to consider when putting in a new install.
RE: Grid-Tied Solar - Why doesn't my power work when the grid is down?