Solar capacity
Instant solar savings
Turn your bill into
solar potential.
Estimate the right rooftop-solar capacity, project cost, payback, subsidy and long-term savings for your Indian home or business.
Typical bill offsetUp to 90%
Indicative payback4–6 years
Panel performance25+ years
Solar calculator
A detailed estimate in one smooth flow.
Select your location, monthly electricity bill and preferred system. The calculator uses local solar resource and tariff assumptions to shape an indicative proposal.
01 / Your propertyEstimate inputs
State
Choose state12 options
City
Choose city7 options
₹2,000
₹500₹10,000
Solar resource5.5 kWh/m²/dayTamil Nadu · Live estimate input
02 / Your estimate2.5kW solar system in Chennai
Before a detailed site survey
At today’s bill
Annual production3,764 kWh
Monthly savings₹1,800
CO₂ avoided3,086 kg/yr
Roof area25 m²
Solar panels5 panels
25-year savings₹9,00,000
Solar equipment₹1,62,500
Estimated total₹1,62,500
This is an indicative estimate based on the selected location, electricity tariff and standard performance assumptions. Final capacity, cost, subsidy and savings require a Sanacara site survey.
Turn the estimate into a plan
Every good solar project begins with the roof.
A free Sanacara site survey confirms shading, available area, electrical load, final system size and eligibility.
Book a free site survey