Solar panels are usually sold with 25 to 30 years of performance promises. But what happens after that, when the warranty language is long gone and you are
You’ve got to have space you want to use for them. Just because I have 10 200w panels for free doesn’t mean it makes sense to mount them on my roof (which is the only space I have facing the sun), because 400+w are available now and it costs money to mount them.
But it might not make sense to take down my 20 year old 200w panels and replace them, or maybe I can sell them to someone with more space.
You’ve got to have space you want to use for them. Just because I have 10 200w panels for free doesn’t mean it makes sense to mount them on my roof (which is the only space I have facing the sun), because 400+w are available now and it costs money to mount them.
But it might not make sense to take down my 20 year old 200w panels and replace them, or maybe I can sell them to someone with more space.