Solar electricity is produced by changing sunlight to power using the photovoltaic (PV) effect. The PV effect causes an electrical current to flow through a solar cell when exposed to sunlight. Solar cells power everything from calculators and remote highway signs to homes, commercial buildings, and large power plants. Solar cells power all satellites in space, making them responsible for the world’s communications products.

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A&T Power Systems–Grid-Connected with Battery Backup

Very similar to the grid-connected system, this system adds a “battery bank” to collect the power generated from the solar panels. Power stored in the batteries can be used during power outages. The battery bank collects power produced by the solar panels, sends it to the breaker box, and then into the house power system. The components of this type of system consist of:

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