How Long Do Solar Panels Last? The Surprising Truth About Solar Lifespan

Well, here's the deal - solar panels don't exactly "die" like your smartphone battery. Most manufacturers guarantee 25-30 years of solid performance, but actual field data shows many systems still operate at 70-80% efficiency after 35+ years. The real question isn't "how long do they last?" but rather "when do they stop being cost-effective?" [2021-04-20 00:57]