How Long Do Solar Panels Last? Lifespan and Degradation Explained

Solar panels are durable and built to last decades.


Typical Lifespan

  • 25–30 years minimum

  • Many panels still operate beyond 35+ years


Degradation Rate

Panels lose 0.5% per year on average.


Factors That Affect Lifespan

  • Weather conditions

  • Installation quality

  • Maintenance


Conclusion

Solar panels remain productive for decades with minimal performance loss.