What is the life expectancy of a solar array?

By Kelsey Misbrener According to SEIA, solar PV systems have life expectancies of upwards of 30 years.
However, even if the panels are guaranteed by the manufacturer to last that long, what about the rest of the components that make your array work?
We looked at the different warranties offered by typical solar array components to help you gauge the expected lifetime of your solar installation. Warranties don’t necessarily equal life expectancy, but they are a good place to start estimating.
Panels
Solar panels typically come with 25-year performance warranties and 10- to 12-year limited warranties. Performance warranties guarantee that the power output will decline at a

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