alt Hacker NewsThe 25 year thing comes from the 25 year warranties - they’re generally warrantied to be at 80% power capability at 25 years. I don’t know the real lifetime, but presumably it’s a lot longer than 25 years. And by that point, maybe we’ll have the deuteriumdollar…
The first set of PV panels I put on our van didn't even make their 10 year warranty @ 80%. Anecdata, sure, but still data.