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Solar Calculator

Solar Calculator: See What You Can Save

Enter your monthly electricity bill to see the solar system we suggest and how much you could save.

1

Your Electricity Bill

Your results update as you type.

Solar for
/ month
Min ₹500Max ₹10,000
2

Your Suggested System

Based on your monthly bill

System size3 kW
Roof area needed300–400 sq ft
Monthly generation450 units
3

Your Solar Savings

With SolarSpot on-grid rooftop solar

Monthly₹0
Yearly₹0
Over 25 years₹0
Bill today
₹2,500
Bill with solar
₹200
Want an exact figure? Book a free roof visit and get a written quote.
Disclaimer
  • These figures are estimates, not a quotation. We size your system at about 1 kW for every ₹1,000 of your monthly bill, starting at 3 kW. A 3 kW system generates about 450 units a month and needs 300 to 400 sq ft of shade-free roof, and a 5 kW system generates at least 710 units a month.
  • The 25-year figure assumes electricity rates rise about 3% a year and panel output falls about 0.5% a year. Our engineer confirms the exact figures on your free roof visit.

Your Journey

From Estimate to Installation in 3 Steps

One team handles the work and the paperwork.

  1. 01

    Calculate Your Savings

    Use this calculator to see how much you could save in seconds.

  2. 02

    Free Roof Visit

    Our engineer visits at your convenience and gives you an exact written quote.

  3. 03

    Quick, Safe Installation

    Most home systems are installed in a day on a structure rated for 180 km/h winds.

FAQ

How the Calculator Works

Here is how we estimate your savings.

How are my savings worked out?

We size your system at about 1 kW for every ₹1,000 of your monthly bill, starting at 3 kW. For example, a bill of ₹500 to ₹3,499 gets a 3 kW system that generates about 450 units a month, and a bill of ₹4,500 to ₹5,499 gets a 5 kW system that generates at least 710 units a month, and every unit you no longer buy from the grid is counted as a saving. Fixed charges stay on your bill.

How are the 25-year savings worked out?

We assume electricity rates rise about 3% a year and panel output falls about 0.5% a year, then add up each year’s savings over 25 years.

Is this my exact saving?

No, it is an estimate. Your exact saving depends on your roof, your tariff, and how you use power. Book a free roof visit, and our engineer will give you a written quote.

Free Roof Visit

Get Your Exact Solar Quote

Share a few details, and our solar expert will call you to schedule your free roof visit.

What Happens Next

  1. We call you to confirm the date and time of the visit.
  2. Our engineer checks your roof, shade profiles, and electricity bills.
  3. You receive a custom roof layout and a written quote.
I am looking for solar for

Your details go only to the SolarSpot team. We will call you to fix a time for your free roof visit.