Solar & battery storage calculator
Adjust the inputs and watch capacity, cost, incentives and lifetime savings recalculate instantly. No sign-in, no registration.
Property Classification
Average Monthly Power Bill
Installation State
Roof Structure & Material
Sunlight Exposure & Shading
Add Battery Backup
Blackout protection + TOU optimisation
Store daytime generation and use it during peak tariff hours.
Payment & Financing Method
Estimated 25-year net utility savings
₹51,172
₹51,172 over the system life
Break-even horizon
12 yrs
System capacity
1 kW
2 × 550W panels
Roof footprint
~42 sq ft
Annual generation
1,509 kWh
per year
Year-1 savings
₹2,640
CO₂ avoided
1.1 t / yr
Old monthly bill
₹220
New monthly payment
₹277
Includes a free 3D roof plan — no sign-in required.
Based on a typical system from the calculator above, here is what your roof keeps out of the atmosphere every single year.
1.1 t / yr
Tons of CO₂ avoided
51
Equivalent trees planted
1,692 mi / yr
Gas vehicle miles offset
Cumulative utility electric cost
₹1.18 L
Saudharma system cost
₹66,480
Net money in your pocket
₹51,172
Break-even in year 12 · Year-1 savings ₹2,640
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