howmuchsun

Solar panel angles in Vietnam

Optimal fixed-panel tilt and orientation for 7 cities in Vietnam, computed from solar geometry.

CityLatitudeOptimal tiltFacingFlat roof keeps
Ho Chi Minh City 10.82°N 10° south 99%
Hanoi 21.02°N 19° south 96%
Haiphong 20.86°N 18° south 96%
Cần Thơ 10.04°N south 99%
Huế 16.46°N 15° south 97%
Da Nang 16.07°N 14° south 97%
Biên Hòa 10.94°N 10° south 99%

How these angles are calculated