Put your roof to work.

Estimate solar generation, bill savings and simple payback for a rooftop system.

Shape your estimate

System size

Peak sun hours / day

hours

Electricity tariff

₹ / kWh

Installed system cost

₹

Subsidy / incentive

₹

Keep in mind: Actual output depends on location, orientation, shading, degradation, tariffs and local net-metering rules.

About this Put your roof to work.

Estimate solar generation, bill savings and simple payback for a rooftop system. Enter your own values in the calculator above to receive an instant estimate. Your information stays in your browser and is not uploaded to our servers.

How to use it

Enter the requested values using the units shown.
Review the live result and its supporting breakdown.
Adjust one value at a time to compare possible scenarios.

Understanding the result

The result is an educational estimate based on the information you provide and the assumptions displayed on this page. Actual figures may differ because providers, regions, rounding methods, fees, laws, and individual circumstances vary.

Frequently asked question

Is this tool free?
Yes. It works without registration and can be used on phones, tablets, and desktop computers.

Review important financial, tax, medical, legal, or contractual decisions with an appropriately qualified professional or official source.