The economics changed: up until that point the government would pay feed-in tariffs for solar. In 2019 they stopped that scheme, so the value to the actual owne

The economics changed: up until that point the government would pay feed-in tariffs for solar. In 2019 they stopped that scheme, so the value to the actual owners of the panels dropped past the point where they could install them "for free". The price of panels has dropped since then, but I have to assume that it's not by enough to make resurrecting the idea worthwhile.