Balance of system

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The balance of system or BOS encompasses all components of a photovoltaic system other than the photovoltaic panels.[1] This includes wiring, switches, support racks, an inverter, and batteries in the case of off-grid systems. In the case of free-standing systems, land is sometimes included as part of the BOS.


  1. ^ "Balance of System". Solar Energy Technologies Program. U.S. Department of Energy. 01/05/2006. Archived from the original on 2008-05-04. Retrieved 2008-05-07.