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welcome to balance of systems 101

If you in the process of shopping for a solar electric system, more than likely you have ran into a key term called balance of systems (BOS). What role does BOS play in a solar electric system? Today I’ll write about why the BOS components are the foundation of your solar electric system. BOS parts are all the pieces of the solar electric system besides the solar panels. The parts that make up BOS include: inverter batteries & charge controllers (if your system is off-grid or grid tie w/ battery backup) overcurrent protection devices electrical enclosures junction boxes support and security structures. disconnects Some of the parts in your balance of system will be rated for outdoor exposure such as most grid tie solar inverters while other parts such as batteries would need an electrical enclosures. BOS parts are typically located close to the electrical service panel, although close proximity is not required. The layout of the BOS parts within the system must be done in a neat manner which allows easy access, testing and disconnecting the system. For solar electric systems operating at 48 volts or less its important to minimize the distance of the dc wiring for efficiency purposes. Solar panels are just one part of the solar electric system, all the components that make up the system must work harmoniously for you to maximize your solar harvest. Selecting the right components can be overwhelming for people who are just get started with clean energy systems, that’s why we have our complete pre-engineered solar grid tie systems, our systems include everything you or your installer needs to get your system up and generating electricity without having to worry about the compatibility of the wide range of products that make up a solar electric...

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