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How Long Do Solar Panels Last?

Last updated 03/03/2022

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Key Points

  • Solar panel manufacturers typically guarantee the maximum performance of their products for 25–30 years. However, your solar panels may continue to generate electricity for years beyond the guarantee.
  • Extreme weather, temperature changes, humidity, inadequate installation, manufacturing defects, and insufficient or lack of maintenance can shorten the lives of solar panels
  • Properly installed solar panels are meant to last for decades. Remember, warranties can cover solar panels and their components if the equipment has inherent defects

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