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How long do solar panels last?
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Most solar panels come with warranties of 20 to 25 years, but they can last 30 years or more. Over time, their efficiency gradually decreases, typically losing about 0.5% per year. Panels are designed to withstand various weather conditions, including hail, snow, and wind. Proper maintenance and periodic cleaning can extend their lifespan. Even after their warranty period, many panels continue to produce electricity at reduced efficiency.