Its not really new, and its not really powerful. From what I can see all this does is give you an estimate based on the square footage of your rooftop. There is

Its not really new, and its not really powerful. From what I can see all this does is give you an estimate based on the square footage of your rooftop. There is a lot more that goes into a real estimate then how big your roof is, namely how can you arrange the panels to cover the roof. That is a neat trick and this company does that http://www.modsolar.net/ http://www.modsolar.net/ I worked with their stack for a bit and from my understanding their tool has been doing what this site does and then some extra stuff to actually get the panels installed.