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[deleted] t1_iy0gvas wrote

[deleted]

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jjayzx t1_iy0qc52 wrote

What? Why wouldn't they keep it that long? I've never heard about anyone just ripping their shit out or disconnecting it if it isn't broken.

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migueeel t1_iy0kz6a wrote

Maybe it's more for if there's a strong hail storm and it wrecks them?

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ThatOtherGuy_CA t1_iy0uu8y wrote

Warranty doesn’t cover physical damage, the warranties usually just guarantee that the cell will have more than 80% of its rated power generation after 20 years or they will replace it.

Most panels only lose about 1% efficiency a year, so it’s basically a meaningless gesture that looks good, unless you have a genuinely defective cell.

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ThatOtherGuy_CA t1_iy0vbfp wrote

There’s no reason to get rid of them though, they’ll lose some generation capacity over time, but for the vast majority of situations it’s easier to just add an additional panel to make up for those loses than to replace the entire system.

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