howmuchsun

Solar panel angles in Ethiopia

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

CityLatitudeOptimal tiltFacingFlat roof keeps
Addis Ababa 9.02°N south 99%
Jijiga 9.35°N south 99%
Gonder 12.60°N 12° south 98%

How these angles are calculated