What would the sun pay you?
Choose your city and move the slider to your monthly bill. You will see the system size, subsidy, what you pay, the yearly saving and the payback, using 2026 prices and official subsidy rates.
Rate per unit = bill amount ÷ units on the bill. Leave the default if you are not sure. Home systems only; for societies and businesses we size from the load on site.
- Typical price before subsidy
- Central subsidy (PM Surya Ghar)
- State top-up
- You pay, roughly
- Bill saving
- Payback
- Savings over 25 years
An estimate, not a quote. Prices use typical 2026 NCR rates; 25-year savings assume 3% yearly tariff rise and 0.5% yearly panel ageing, and count only units you would otherwise buy.
How to read your result
The suggested size covers your whole year of use. In summer you will often make less than you use, and in spring and October you will make more; net metering evens it out over the year. If your roof is smaller than the suggested size, a smaller system still pays back at the same rate per kW.
What the calculator cannot see
Shade, roof rights, structure height and your sanctioned load all change the final design. Delhi's 2026 policy amendment also raised support for many homes, and Chandigarh has proposed its own top-up; we confirm your exact figure at survey. Read the subsidy guide and sizing guide for the detail.
Common questions
How is the system size worked out?
Why is the 25 year saving so large?
Is this a quote?
Put the sun's chariot on your roof.
One visit tells you how many units your roof can make, what the subsidy covers and what you will pay. The survey is free and there is no obligation.
- PM Surya Ghar registered process and paperwork handled
- India-made (DCR) panels that qualify for subsidy
- Five years of maintenance on every home system
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