* Which solar panel has the longest warranty ?

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asmith6815 | 2 years, 1 month ago

I would choose the Conventional Crystalline silicon solar panel because they have the longest warranty, and most of the time when a product has the longest warranty that means they will last the longest. Film Solar Panels have shorter lasting warranties than conventional solar panels do. Basically, the longer the warranty, the longer the solar panel will last. Check out this site: http://solar.calfinder.com/blog/going/will-my-solar-system-weaken-over-time/

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wy | 2 years, 1 month ago Report

Thanks for your answer but Conventional Crystalline silicon solar panel is type of silicon solar panel, rather than manufacturer/brand.

Thanks anyway for the insightful website.
I get some insights on warranty in this article of the website:
article link

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kasif | 5 months ago

The crystalline silicon solar panels are the longest lasting and many have warranties of up to 25 years. The thin film solar panels tend to last for a much shorter time and those warranties are for 10 years or less. Over that period of time the electrical output of the panel is expected to degrade a little and so the warranty usually includes an assurance of some minimum of power maintenance over time such as 80% or in some cases 90% output.

http://www.go-green-solar-energy.com/solar-energy-panels.html

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