The truth is, fallen leaves can cause significant harm to your solar panels, reducing their efficiency and lifespan if ignored. Solar panels use photovoltaic cells to capture sunlight and convert it into electricity. Solar panels. . While they may not cause immediate damage, they gradually build up thermal stress over time, leading to power loss, glass cracking, or even complete panel failure. By the time abnormal power generation is noticed, it is often too late to trace the root cause. Hot spots triggered by shading and. . Solar panels are generally low-maintenance, but occasional problems can arise. You may not be able to see the evidence with your eyes, but even tiny scratches can. .
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