It generally does not. A quick search shows that the company referenced in that article, Solyndra, made CIGS panels, which, like I said, are relatively rare, i

It generally does not. A quick search shows that the company referenced in that article, Solyndra, made CIGS panels, which, like I said, are relatively rare, in large part because they were a failed startup that went out of business. https://en.m.wikipedia.org/wiki/Solyndra https://en.m.wikipedia.org/wiki/Solyndra The vast majority of panels use crystalline Silicon. The article also conflates warrantied lifespan with average lifespan. Solar PV cells can last much longer than 20 years. https://www.presse.uni-oldenburg.de/einblicke/54/files/assets/downloads/page0009.pdf https://www.presse.uni-oldenburg.de/einblicke/54/files/asset...