This article wrongly assumes that the solar panels are no longer usable after 25 years. But they can still put out 80% or more of their power after 25cyears. Some panels are sold as used 250 Watt panels for $50. Others may be shipped to other countries for use in areas with no electricity.
https://electrek.co/2020/08/24/where-do-solar-panels-go-when-they-die/
