How long do solar panels last?

Solar panels last 25–30+ years, with most carrying 25-year performance warranties. Inverters usually need replacing once, at 10–15 years.

In more detail

Output declines very slowly (around 0.5% a year), so panels still perform well after decades.

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2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.

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