[ygra]

This is the roof of an industrial building near here which seems to go with that idea:

https://nabendynamo.de/wp-content/uploads/2021/06/20210426_1...

While not quite panel-sized, it's much larger tiles and there's not another roof underneath. Probably makes most sense with a new roof, though. The problem is that when a roof lasts 50--80 years, that's not a very big market just for new roofs.

[specialist]

Perfect. That scalloped (overlapping tiles) installation is The Correct Answer™.

Thanks for sharing.

Apologies, my google-fu is weak; I couldn't find more details. It's SON's building? I couldn't find that roof top at that address (using Google Maps).

Here's as far as I got: https://gemini.google.com/share/bef19f2b145c

[ygra]

Looks to be this building at that address and I can see the solar tiles on Google Maps: https://maps.app.goo.gl/ECbTUVwiUuDEPy6SA

The article from which I've linked the image is here (in German, though): https://nabendynamo.de/unser-neues-produktionsgebaeude-steht...

The roof is from Sunstyle, as detailed in the article: https://www.sunstyle.com/

Gemini seems to have read that article, taken a few details, embellished a few more, and not answered your question.