howmuchsun

Solar panel angles in Philippines

Optimal fixed-panel tilt and orientation for 9 cities in Philippines, computed from solar geometry.

CityLatitudeOptimal tiltFacingFlat roof keeps
Quezon City 14.65°N 13° south 98%
Davao 7.07°N south 100%
Caloocan 14.65°N 13° south 98%
Manila 14.60°N 13° south 98%
Taguig 14.52°N 13° south 98%
Budta 7.20°N south 100%
Malingao 7.16°N south 100%
Zamboanga 6.91°N south 100%
Cebu City 10.32°N south 99%

How these angles are calculated