howmuchsun

Solar panel angles in Italy

Optimal fixed-panel tilt and orientation for 5 cities in Italy, computed from solar geometry.

CityLatitudeOptimal tiltFacingFlat roof keeps
Rome 41.89°N 35° south 85%
Milan 45.46°N 38° south 83%
Naples 40.85°N 35° south 86%
Turin 45.07°N 38° south 82%
Palermo 38.12°N 33° south 87%

How these angles are calculated