howmuchsun

Solar panel angles in Saudi Arabia

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

CityLatitudeOptimal tiltFacingFlat roof keeps
Jeddah 21.49°N 19° south 96%
Riyadh 24.69°N 22° south 94%
Makkah 21.43°N 19° south 95%
Madinah 24.47°N 22° south 94%
Dammam 26.43°N 23° south 93%

How these angles are calculated