Interactive map

Swiss Solar Atlas.

Explore the solar potential of every Swiss roof. Data comes directly from the federal Sonnendach layer (SFOE), semi-transparent over swisstopo map and aerial imagery.

Basemap

Overlay70%

Suitability classes

LowExcellent

Click a roof surface to analyse it.

30 secondsFreeNon-binding

Ready for your roof analysis?

Enter your Swiss address. You get an instant conservative estimate — and, if you want, local quotes to compare.