In this simple excel workbook, you will be able to size your solar PV system based on your load. You could also include a diesel generator and in the end see how much you can save year on year.
This is the first tool and I intend to keep it simple. Write to me if you need advanced toolsets.
Note: Input values in the green cells and the outputs are displayed in the last cells in orange.
And I have considered the Indian National Rupee as the reference currency.
Hope you will like it.
Mission Shunya 
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