Bills drop by up to 90%
Generate your own power during the day and let net metering credit the surplus against night-time use.
Cut your electricity bill by up to 90%, claim up to ₹78,000 + ₹22,000 under PM Surya Ghar and enjoy 25 years of clean power, all handled by one team.
And save up to ₹78,000 + ₹22,000 with subsidy
Rooftop solar is one of the safest long-term investments for an Indian home.
Generate your own power during the day and let net metering credit the surplus against night-time use.
After payback, enjoy 20+ years of nearly free electricity — far better returns than a fixed deposit.
Electricity rates rise every year. Your solar units cost the same on day one and in year twenty-five.
Homes with solar are easier to sell and rent because buyers see lower running costs.
A typical 3 kW system offsets around 3.5 tonnes of CO₂ every year, like planting 150 trees.
Add a battery to keep fans, lights, Wi-Fi and the fridge running through power cuts.
Rainbow Solar installEvery home is different. Our engineer checks your roof's strength, shading and orientation, then designs a layout that captures the most sunlight while keeping your terrace usable.
A quick guide based on your monthly bill. Your engineer confirms the exact size after the free survey.
| Monthly bill | Recommended system | Roof space | Govt. subsidy | Est. yearly savings |
|---|---|---|---|---|
| ₹1,000 – ₹1,500 | 1 kW | ~100 sq ft | ₹30,000 | ₹10,000 – ₹13,000 |
| ₹1,500 – ₹2,500 | 2 kW | ~200 sq ft | ₹60,000 | ₹18,000 – ₹24,000 |
| ₹2,500 – ₹4,000 | 3 kW | ~300 sq ft | ₹78,000 + ₹22,000 | ₹28,000 – ₹36,000 |
| ₹4,000 – ₹6,000 | 5 kW | ~500 sq ft | ₹78,000 + ₹22,000 | ₹45,000 – ₹58,000 |
| ₹6,000+ | 6–10 kW | 600+ sq ft | ₹78,000 + ₹22,000 | ₹60,000+ |
Indicative figures at ₹7–8 per unit. Use the calculator for your own numbers.
Lithium storage for homes that face frequent power cuts.
Scheduled cleaning, health checks and repairs, even for systems we didn't install.
Go solar with little or no upfront cost through partner banks and NBFCs.
*EMI shown is indicative and depends on lender approval, tenure and system size.

Share your bill. We explain savings, subsidy and options.
Day 1
An engineer inspects your roof and designs a shadow-free layout.
Day 2–4
We file the DISCOM application and register you for subsidy.
Week 1–2
Certified crews install panels, inverter and safety gear in 1–3 days.
Week 2–3
Net meter installed, system commissioned, subsidy claim filed.
Week 3–6