Users Guide to off Grid Energy Solutions
What is BOS - Balance of System:
BOS: balance of system: the components and costs other than the PV/Photovoltaic array in solar power systems. This includes power conditioning unit (i.e., battery charge controller, inverter etc.), energy storage unit (i.e., battery), and, any supporting structure (e.g., tower, house, etc.) and the land the solar power system is placed on.