What is a Rooftop Solar System?

A rooftop solar system is installed on the roof of your home, office or factory to generate electricity using sunlight. It can be connected to the grid (on-grid) or used with batteries (hybrid/off-grid).

Rooftop Solar Price in Bihar (2026)

• 1 kW System → ₹60,000 – ₹70,000 (before subsidy)

• 2 kW System → ₹1.2L approx

• 3 kW System → ₹1.8L approx

👉 After subsidy, cost reduces significantly.

Subsidy on Rooftop Solar in Bihar

• Up to ₹78,000 subsidy under PM Surya Ghar Yojana

• Applicable for residential users only

• Subsidy credited directly to bank account

Types of Rooftop Solar Systems

1. On-Grid Solar System

• Connected to electricity grid

• Net metering enabled

• Most popular and cost-effective

2. Off-Grid Solar System

• Works without electricity grid

• Includes battery backup

• Suitable for rural areas

3. Hybrid Solar System

• Combination of on-grid + battery backup

• Works during power cuts

Benefits of Rooftop Solar in Bihar

• Reduce electricity bills up to 90%

• Earn through net metering

• 25+ years lifespan

• Low maintenance cost

• Environment-friendly solution

Who Should Install Rooftop Solar?

Homeowner