howmuchsun

Solar panel angles in Thailand

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

CityLatitudeOptimal tiltFacingFlat roof keeps
Bangkok 13.75°N 12° south 98%
Samut Prakan 13.60°N 12° south 98%
Mueang Nonthaburi 13.86°N 12° south 98%

How these angles are calculated