15 years ago it looked like solar thermal might be the way to go. But it turns out that, once people started manufacturing a lot of solar PV panels, they got re

15 years ago it looked like solar thermal might be the way to go. But it turns out that, once people started manufacturing a lot of solar PV panels, they got really good at it. Solar PV costs dropped 90% in a decade. At this point, in most cases, it would probably be foolish to build a non-PV solar power plant.