Calculate Your Solar Cost, Subsidy & Savings

Enter your electricity usage and discover the estimated solar system size, government subsidy, investment and potential savings for your home in Bihar.

Designed for Residential Solar Customers in Bihar

1 Your Inputs

Average Monthly Electricity Usage Monthly average

kWh / Units

I don't know my units — I'll enter my monthly bill instead

Select Solar System Size 1 – 10 kW

Recommended for your usage: 3 kW

Available Roof Area Optional · sq. ft.

sq. ft.

Estimated Generation & Savings Estimates

Solar Generation

360 kWh/mo

Annual Generation

4,320 kWh/yr

Monthly Savings

₹2,880

Annual Savings

₹34,560

Approx. Payback

2.4 yrs

Generation and savings figures are indicative estimates based on typical irradiation, system performance and prevailing residential tariff assumptions in Bihar. Actual values may vary based on installation site, shading, tariff slab and consumption pattern. This tool does not promise guaranteed savings or a zero electricity bill.

Central Government Subsidy

Eligible residential consumers can receive Central Government assistance under PM Surya Ghar: Muft Bijli Yojana.

Up to₹78,000

Bihar Additional Subsidy

Bihar provides additional state assistance of ₹10,000 per kW, subject to a maximum of ₹20,000 per eligible consumer.

Up to₹20,000

Total Potential Assistance

Central Government assistance + applicable Bihar additional assistance.

Up to₹98,000