Not him but here are a few links:
https://www.anker.com/blogs/solar/how-reliable-is-solar-energy
https://en.m.wikipedia.org/wiki/Solar_panel
TL;DR: Most rigid panel manufacturers provide a 25 year warranty. Performance degradation ranges from 1% to 4% per year depending on the material used, with thin flexible panels being the worst.
You better believe that AI-powered toaster would only accept authorized bread from a bakery that paid top dollar to the company that makes them. To ensure the best quality possible and save you from inferior toast, of course.