Solar planning · India

Solar sizing for Delhi

Use 5.2 peak sun hours per day as a rounded first-pass value for Delhi. A 5 kW array with 20% losses would produce about 20.8 kWh on an average planning day.

Calculate your array

Enter 5.2 in the solar system size calculator, then add your daily use, roof area, orientation, and shading. Rounded peak-sun-hour planning values from Global Solar Atlas; verify a roof design with site-specific irradiance and shading. Global Solar Atlas.

How to use Delhi sun hours

A 5 kW array at 5.2 peak sun hours and 20% losses produces about 20.8 kWh on an average planning day. Multiply your daily demand by 1.25, then divide by 5.2 to get a first-pass DC size. Monsoon, shading, roof direction, and temperature can move the real result substantially.

Questions to check before buying