FAQ – Sonnendach.ch


General information

How accurate is the information on sonnendach.ch?

How does sonnendach.ch calculate solar energy potential?

Why is my building not on sonnendach.ch?

How often is the data updated on sonnendach.ch?

Is shade cast onto a roof taken into account on sonnendach.ch?

How can I calculate the solar energy potential of several roofs?

Why are the roofs of buildings built together not plot-specific?

Why are chimneys and roof dormers missing on sonnendach.ch?

Where can the data be downloaded?

Specialist staff
Last modification 07.02.2023

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