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Using concave mirrors, a CPV concentrates large amount of sunlight by approximately 500 times onto high performance triple-junctions photovoltaic (PV) cells of 1 cm2 each to generate 1 kW of electricity with an efficiency of 25%, which is two times the efficiency of traditional monocrystalline PV cells.
The equipped two-axis sun tracker rotates the PV panel to maximize its exposure to solar irradiation thus increasing the electrical energy yield.