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How do solar panels work on cloudy days? Solar panels are designed to operate efficiently even when the sun is partially obscured by clouds. While direct sunlight provides the highest energy output, solar panels can still generate electricity using diffused sunlight that penetrates through the cloud cover. This diffused sunlight contains photons that can stimulate the photovoltaic cells within the panels, initiating the photovoltaic effect. Despite the lower intensity of diffused sunlight compared to direct sunlight, the semiconductor material within the panels can still absorb these photons and convert them into an electric current. Thus, even on cloudy days, solar panels can continue to contribute to renewable energy generation, providing a sustainable source of electricity. For more insights into how solar panels perform on cloudy days, you can refer to this informative resource: How do solar panels perform on cloudy days.