howmuchsun

Solar panel angles in Austria

Optimal fixed-panel tilt and orientation for 3 cities in Austria, computed from solar geometry.

CityLatitudeOptimal tiltFacingFlat roof keeps
Vienna 48.21°N 40° south 81%
Graz 47.07°N 40° south 81%
Linz 48.31°N 41° south 80%

How these angles are calculated