Rooftop Solar Calculator for Bihar
Get a free instant estimate for rooftop solar in Bihar — system size, installation cost, government subsidy, and payback period pre-filled with Bihar electricity rates and solar data.
Perfect for a quick estimate. We'll use defaults based on your location.
Electricity Tariff₹5.50/unit
Avg Install Cost₹45k/kW
Central Subsidyup to ₹78k
Net MeteringCheck DISCOM
Solar Irradiance4.5 kWh/m²/day
Data reflects PM Surya Ghar scheme rates and Bihar DISCOM tariff averages. Verify with your installer.
Why Go Solar in Bihar?
Average tariff of ₹5.50/unit means faster payback
PM Surya Ghar subsidy up to ₹78,000 directly to your bank
4.5 peak sun hours/day — strong solar generation potential
25+ year system lifespan with guaranteed performance
Check your DISCOM for net metering availability
Zero fuel cost — protect against rising electricity prices
Want more control?
Use the advanced calculator to fine-tune every parameter.