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Solar Calculator

How much can solar save you?

Enter your monthly electricity bill, property type and roof type for an instant estimate of system size, cost, subsidy and lifetime savings.

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6,000
₹500₹2,00,000
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Recommended system size

5.5 kW

~440 sq.ft of shadow-free roof

Estimated installation cost

₹3.19 L

Fully installed, before subsidy

Government subsidy estimate

₹78,000

PM Surya Ghar residential scheme

Net cost after subsidy

₹2.41 L

What you actually pay

Monthly savings

₹6,023

About 95% of your current bill

Annual savings

₹72,270

Year one, at today's tariff

Payback period

3.3 years

Then generation is effectively free

Lifetime savings (25 years)

₹24.64 L

Includes 3% annual tariff rise

185.2 tonnes

CO₂ avoided over 25 years

8,418 trees

Equivalent carbon absorption

Estimates are indicative and assume 4.5 units per kW per day for the Trichy region. Actual generation, cost and subsidy depend on your roof, shading, tariff slab and component selection. A free site survey gives you exact figures.

Want the exact numbers for your roof?

A free site survey converts these estimates into a firm quote with real shadow analysis, structure design and generation modelling.