Savings calculator
How much could solar save you?
Enter your average monthly bill or units. You get a suggested system size, generation, indicative cost, subsidy for homes and a simple payback. These are estimates; a site survey gives exact figures.
Enter your monthly bill or units to see an estimate.
Estimate
Showing a typical example. Enter your own bill to update.
- Generation
- Indicative cost before subsidy
- PM Surya Ghar subsidy
- Your indicative cost
- Savings per year
- Simple payback
- Roof area needed
Estimate only, based on the assumptions below. Actual size, cost and savings depend on your roof, tariff and the equipment chosen. The site survey gives you exact figures.
Get an exact proposalAssumptions used
Every number the calculator uses, where it comes from and when it was checked.
| Assumption | Value | Source |
|---|---|---|
| Solar generation per kW per year in Mysuru | 1,400 units/kW/yr | Global Solar Atlas (World Bank), Mysuru: 1,602 theoretical, reduced for real rooftops. Checked 2026-09-28. |
| Cost per unit, home / commercial / industrial | ₹7.5 / ₹9.5 / ₹8.5 | Assumption for converting a bill to units, not a KERC tariff. See CESC tariffs. confirm from customer bills |
| Installed cost per kW, home / commercial / industrial | ₹60,000 / ₹48,000 / ₹40,000 | Powergate to confirm price bands |
| Shade-free roof area needed per kW | 100 sq ft | Rule of thumb. confirm |
| Residential subsidy (PM Surya Ghar) | ₹30,000/kW to 2 kW, ₹18,000 for the 3rd kW, max ₹78,000 | pmsuryaghar.gov.in, checked 2026-09-28. Scheme closes 31 March 2027. |
| Savings counted | Units that replace grid purchases | Surplus exported to the grid is ignored, so savings are conservative. Year-one figures, no tariff inflation or panel ageing. |
Get started
Turn the estimate into a real proposal.
An engineer visits, checks your roof and electrical panel, reads your bills and gives you a written proposal. confirm whether the survey is free
- Sized for your roof and your real consumption
- Clear cost, generation and payback figures
- Net-metering paperwork handled by us
Office hoursMonday to Saturday, 9:30 am to 5:30 pm. Sunday closed.
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