What is included in the balance of system (BOS) costs for a solar PV project?

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Multiple Choice

What is included in the balance of system (BOS) costs for a solar PV project?

Balance of system costs cover everything needed to install and operate the PV system that isn’t the solar modules themselves. That means the physical and electrical infrastructure that lets the panels generate and deliver power: the racking and mounting hardware that holds the modules, the wiring and conduit that connect components, the inverters that convert DC to AC, and other electrical equipment beyond the modules such as disconnects, combiner boxes, meters, protection devices, and monitoring hardware. Land acquisition is not part of BOS; it falls under site development costs rather than the equipment and wiring needed for the system to function. So the best choice reflects all those components beyond the modules themselves. Monitoring equipment is included as part of the electrical infrastructure, not as a stand-alone module.

Balance of system costs cover everything needed to install and operate the PV system that isn’t the solar modules themselves. That means the physical and electrical infrastructure that lets the panels generate and deliver power: the racking and mounting hardware that holds the modules, the wiring and conduit that connect components, the inverters that convert DC to AC, and other electrical equipment beyond the modules such as disconnects, combiner boxes, meters, protection devices, and monitoring hardware. Land acquisition is not part of BOS; it falls under site development costs rather than the equipment and wiring needed for the system to function. So the best choice reflects all those components beyond the modules themselves. Monitoring equipment is included as part of the electrical infrastructure, not as a stand-alone module.

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