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Find out exactly how much solar saves you.

Enter your monthly bill and city — we reverse-engineer your units from real DISCOM tariff slabs, apply PM Surya Ghar subsidies, and give you an accurate payback estimate in seconds.

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Solar savings calculator by Vermson Energy
₹78,000Max central subsidy
3–5 yrsTypical payback
25 yrsPanel warranty
Real dataDISCOM tariff slabs

Your Details

₹5,000 /month
₹1,000₹30,000
5 kWh
1 AC · 4–5 hrs
Lights & fans 3–4 days
10 kWh
2 ACs · 4–5 hrs
Lights & fans 3–4 days
15 kWh
3 ACs · 4–5 hrs
Lights & fans 3–4 days

Your Solar Estimate

Enter your details and click Calculate.
How it works

Four steps from your bill to your solar estimate.

  1. 01

    Enter Your Bill

    We reverse-engineer your monthly units from actual DISCOM slab rates — not a simple average tariff. Delhi, UP and Haryana use tiered slabs; all other cities use published flat rates.

  2. 02

    Select Your City

    City-specific tariffs, state subsidies and the Delhi Generation-Based Incentive (GBI) are applied automatically based on your location.

  3. 03

    See Your Results

    System size, tiered installation cost, stacked subsidies (central + state) and an accurate payback period — all in under 10 seconds.

  4. 04

    Get an Exact Quote

    Fill the form → our team does a free site survey within 24 hours and gives you a fixed-price proposal with subsidy filing included.

5,000+

Solar rooftops powered

25 MW

Clean energy installed

25+ yrs

Of solar expertise

₹78k

Subsidy filed per claim

Get a free site survey

We'll visit, measure your roof, and give you a fixed-price proposal — free, within 24 hours.

or call us directly 1800 889 0253

Our solar services

FAQ

Common solar calculator questions

Answers to the questions we hear most. Have a different one? Drop us a message and we'll write you back.

Divide your monthly electricity consumption (units) by the average solar yield per kW in your region. In North India, 1 kW generates about 117 units/month (1,400/year). So if you consume 600 units/month, you need roughly a 5 kW system. Our calculator above does this automatically from your bill and city.
A 5 kW rooftop solar system costs approximately ₹3,35,000 before subsidies. After the PM Surya Ghar central subsidy of ₹78,000 and Ludhiana's ₹30,000 state subsidy, you pay around ₹2,27,000. Ludhiana residents also earn ₹3/unit (≤3 kW) or ₹2/unit (3–10 kW) under the Generation-Based Incentive for 5 years.
A 10 kW system produces approximately 1,167 units per month (14,000 units/year) in North India. This is enough to offset bills of ₹8,000–10,000/month for residential consumers, or around ₹10,000/month for commercial properties at ₹8.50/unit tariff.
The Ludhiana government pays solar owners per unit of electricity generated for 5 years from commissioning. Residential consumers with ≤3 kW systems get ₹3/unit; 3–10 kW systems get ₹2/unit. Commercial consumers get ₹1/unit. This is on top of net metering savings and subsidies.
Under PM Surya Ghar Yojana 2026, all residential consumers get a flat ₹78,000 central subsidy. Some states offer additional subsidies — UP provides ₹30,000 extra. Commercial installations don't get subsidies but qualify for 40% accelerated depreciation (approx. 22% tax benefit). Vermson Energy handles all paperwork.
With current subsidies, most residential systems pay back in 3–5 years. After payback, you get essentially free electricity for 20+ years (panel warranty period). Higher bills mean faster payback — a ₹10,000/month bill typically sees payback in under 4 years.

Ready to go solar? Get your free site survey.

Fixed price. Subsidy filing included. Survey within 24 hours — no commitment.

Get Free Site Survey 1800 889 0253
Vermson Energy