Estimate Your Solar Sizing, Subsidy & 25-Year ROI

Accurate calculations based on official MNRE solar insolation data for India. See your recommended plant capacity, roof space requirements, direct DBT subsidy, and monthly bill savings.

Enter Your Parameters

Customize based on your latest electricity bill

Average Monthly Bill (₹)

₹

₹1,500 ₹15,000 ₹35,000+

Installation Type

State Jurisdiction

Subsidy Rules Applied

For residential installations, ₹30,000 is credited for 1 kW, ₹60,000 for 2 kW, and a flat ₹78,000 for 3 kW to 10 kW under the PM Surya Ghar DBT scheme.

System Sizing

3 kW

6 Panels (550W)

Rooftop Area Needed

~240 sq. ft.

Shade-free terrace

Monthly Generation

378 Units

Units/month

Estimated Benchmark EPC Cost: ₹1,65,000

PM Surya Ghar DBT Subsidy: ₹78,000

Net Customer Investment: ₹87,000*

Monthly Savings

₹4,200

Payback Period

1.8 Yrs

25-Yr Net Savings

₹11.4 Lakh

Carbon Avoided

3.8 Tons/Yr

*Estimated system costs are benchmark ranges. Exact pricing depends on structure height, cable length, and Discom meter specs.

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Eligible residential systems receive up to ₹78,000 Central + ₹20,000 Bihar State DBT (Total ₹98,000).