I know there probably is a good reason, either the tech, financial trade offs, etc.
And I’m not a homeowner but I’ve been watching on the topic lately.
Wouldn’t serving as a roof have a significant offset to the true cost? Even at 50% off the roof?
It seems they do the opposite, build on the existing ones.
Edit roof not form
In: 42
They do exist, but by the very nature of a roof a huge chunk of your solar panel shingles are going to be doing basically nothing because they won’t be angled towards the sun, or very poorly angled or blocked by other sections of the roof. That and your “solar panels” need to be in a shingle form factor and aesthetic which means they will never be quite as efficient as standard panels.
In theory the fact that they are pulling double duty as both your roof and your solar array is supposed to make them more cost effective, but that is simply never going to be the case in reality. They will continue to fill a niche for rich people who want solar but care more about the aesthetics than the cost effectiveness, but that’s about it.
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