Quote:
Originally Posted by Ryland
the PV panels are going to last 25 to 100 years. .
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Not at full capacity they won't. From the performance studies I've read they calculate that you lose roughly 1% performance per year due to UV damage and due to the break down of materials within the modules. Sure, they'll still be functioning after 50 years (maybe) but at only ~50% of design capacity. That's important to keep in mind.