3 kW solar systems in Patna

2 installers serve Patna district, Bihar, and can quote for a 3 kW rooftop system.

3 kW system — estimated cost in Patna

Gross cost
₹1,80,000 – ₹2,20,000
Central subsidy
−₹78,000
Net cost after subsidy
₹1,02,000 – ₹1,42,000

Indicative estimates. Final pricing depends on roof type, panel brand, inverter and installation complexity. A 3 kW system saves roughly ~₹21,000 a year at a ₹7/unit tariff.

What a 3 kW system powers — sizing, generation and payback, away from any one district.

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