Bihar Solar Savings Calculator
Input your monthly electricity bill to calculate the recommended plant capacity in kW, estimated roof area needed, PM Surya Ghar subsidy credit, and your 25-year lifetime return.
Calculate Your Exact Solar Savings
Discover how much you can save every month and get an instant estimate of your PM Surya Ghar government subsidy eligibility.
₹3,500/ mo
₹1,000₹15,000₹30,000+
Presets:
Offsets CO2 equivalent of planting 240 trees/year!
Recommended Solar Plant
3.9kW
Requires ~351 sq. ft. shadow-free roof
Estimated Monthly Savings
₹3,500
₹42,000 saved each year
PM Surya Ghar Govt Subsidy
₹78,000 Direct Credit
Total 25-Year Savings:₹10,50,000
Payback Period:Only ~3.3 Years
After Payback:Free Clean Electricity for 20+ Years
How PM Surya Ghar Subsidy Works in Bihar (2025–2026)
Official Ministry of New & Renewable Energy (MNRE) Direct Benefit Transfer (DBT) structure.
| System Capacity | Monthly Generation | Central Subsidy | Typical Offset |
|---|---|---|---|
| 1 kW System | 120 – 140 Units/mo | ₹30,000 | Bills up to ₹1,000 – ₹1,500/mo |
| 2 kW System | 240 – 280 Units/mo | ₹60,000 | Bills up to ₹2,000 – ₹3,000/mo |
| 3 kW System | 360 – 420 Units/mo | ₹78,000 (Max) | Bills up to ₹3,500 – ₹5,000/mo |
| 5 kW to 10 kW System | 600 – 1,400 Units/mo | ₹78,000 | Large homes, villas, clinics & offices |