I think the days of solar being a negative to a house are long gone.
I see it at minimum being something to make your house more saleable even if it adds no value, best case the majority of the value you spent is added to your house price.
Reality is somewhere in the middle I suspect
Must be close. I mean I would personally look positively on a modern install. It's hard with the tech moving so rapidly. Don't want to be a beta tester