Absolutely! Many home and business owners chose to go solar today – leveraging the immediate cost competitiveness of solar to start saving money on their electric bills – and install batteries in the future, once hardware costs fall. There is nothing that prevents you from adding battery storage to an existing solar array. This arrangement is called a “storage retrofit.” There are a few important hardware considerations (including whether to AC- or DC-couple the system, and the most appropriate battery inverter for the desired coupling configuration) and financing considerations (federal tax credit eligibility) for storage retrofits.
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