howmuchsun

Solar panel angles in El Salvador

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

CityLatitudeOptimal tiltFacingFlat roof keeps
San Salvador 13.69°N 13° south 98%
Soyapango 13.71°N 13° south 98%
San Miguel 13.48°N 12° south 98%

How these angles are calculated