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What are solar panels made of?

Solar panels are made from Silicon. Silicon (Si) is an abundant non-metallic chemical element which makes up almost 30% of the earth's crust and is the 7th most common element in the Universe. To make the solar cells which make up a crystalline solar panel, crystalline silicon is sliced into thin wafers - a few millimeters thin. These are then cut to shape and polished. LG makes the solar cells for our panels in Gumi Korea.

Give me some key solar facts:

A solar panel, also called a solar module is made up of either 72 or 60 solar cells. They are electrically interconnected in series and parallel and sandwiched between glass and plastics, then framed. A typical 60 mono-crystalline cell solar panel produces around 250 to 300Watt Watts at an open Voltage of around 38 Volts DC.

A solar array is a group of solar panels connected together.

A solar system is a solar array connected together with electronic equipment such as a DC to AC power inverter and other hardware like circuit breakers to complete a fully functional solar power system.

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