howmuchsun

Solar panel angles in India

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

CityLatitudeOptimal tiltFacingFlat roof keeps
Mumbai 19.07°N 17° south 96%
Delhi 28.65°N 25° south 92%
Bengaluru 12.97°N 12° south 98%
Hyderabad 17.38°N 16° south 97%
Ahmedabad 23.03°N 20° south 95%
Chennai 13.09°N 12° south 98%
Kolkata 22.56°N 20° south 95%
Surat 21.20°N 19° south 96%
Pune 18.52°N 17° south 96%

How these angles are calculated