Solar ROI calculator

Is solar worth the investment?
Find out with your own numbers.

Calculate an indicative system size, investment, electricity savings, payback period and long-term financial benefit. No generic claims—start with your actual energy usage.

Step 1 / Property

Where are you planning solar?

Home Commercial Industrial Institutional

Location / District

Step 2 / Electricity

Tell us about your electricity usage.

Average monthly electricity bill (₹)orAverage monthly consumption (kWh)

Step 3 / Property & system

Tell us about the installation.

Available rooftop areaSystem preference

Include Kerala government subsidy? Yes, include ₹78,000 No, show full investment

Your solar investment estimate

Recommended capacity—

Estimated investment—

Annual generation—

First-year savings—

Simple payback—

10-year savings—

25-year savings—

Long-term ROI—

Cumulative solar savings vs initial investment

Estimated break-even: —

Want an accurate solar proposal?

Let V Power assess your actual property and energy consumption.

Get my detailed proposal →

Important: The calculator uses configurable frontend assumptions and provides indicative estimates—not a quotation or promise. Subsidy is shown only when selected and remains subject to eligibility, applicable scheme terms and approval. Actual results depend on electricity usage, tariffs, design, site conditions, equipment and regulations.