howmuchsun

Solar panel angles in Indonesia

Optimal fixed-panel tilt and orientation for 8 cities in Indonesia, computed from solar geometry.

CityLatitudeOptimal tiltFacingFlat roof keeps
Jakarta 6.21°S north 100%
Surabaya 7.25°S north 99%
Bekasi 6.23°S north 100%
Bandung 6.92°S north 99%
Medan 3.58°N south 100%
Depok 6.40°S north 100%
Tangerang 6.18°S north 100%
Palembang 2.92°S north 100%

How these angles are calculated