Balance of system

Balance of system

The balance of system or BOS encompasses all components of a photovoltaic system other than the photovoltaic panels.cite web|url=http://www1.eere.energy.gov/solar/bos.html|title=Balance of System|date=01/05/2006|work=Solar Energy Technologies Program|publisher=U.S. Department of Energy|accessdate=2008-05-07] 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.

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