@mhoye I'm also paying close attention to those long-term studies about how solar panels are generally projected to keep producing useful amounts of power for ~10 years, but current results from early solar panel farms deployed 30 years ago show them actually still delivering 80+% of their original output.
And unlike furnaces or refrigerators it's FINE to just keep using old panels. They don't waste fuel or leak coolant, they just keep working a little less well.
Just unreasonably good tech.