Rooftop solar is no longer just for big homes or factories. In 2025, Indian households can install a 3–5 kW system with subsidies up to ₹78,000, cutting electricity bills by 60–80%. Here’s the cost, subsidy details, and ROI you can expect.
India Snapshot
- System Size & Cost (2025):
- 1 kW → ₹50,000 (generates ~120 units/month).
- 3 kW → ₹1.5 lakh (generates ~360 units/month).
- 5 kW → ₹2.5–₹2.7 lakh (generates ~600 units/month).
- Central Subsidy (PM Surya Ghar):
- 1–2 kW → ₹30,000 subsidy.
- 2–3 kW → ₹60,000 subsidy.
- 3 kW+ → ₹78,000 subsidy (max).
- Payments: UPI, NetBanking, EMI available.
- GST Invoice: Provided by vendors for corporate setups.
- Support: Most vendors offer 25-year panel warranty, 5–10 year inverter warranty, 24×7 helplines.
Explore India’s trusted solar providers:
Tata Power Solar | Loom Solar
Why Rooftop Solar Makes Sense in 2025
- Lower Bills: Save ₹1,500–₹6,000/month depending on system size.
- Government Push: PM Surya Ghar scheme accelerates adoption.
- Rising Tariffs: Power costs expected to rise 5–7% yearly.
- Cleaner Energy: Cut household carbon footprint by 60–80%.
ROI Calculator (Example)
- 3 kW Rooftop System
- Cost: ₹1.5 lakh
- Subsidy: ₹60,000
- Net Cost: ₹90,000
- Monthly Savings: ~₹3,000
- ROI Period: ~2.5 years
Pros and Cons
Pros
Lower bills for 20+ years
Govt subsidy reduces upfront cost
Increases home resale value
EMI + GST claim options
Cons
Upfront cost still high without subsidy
Needs proper rooftop space
Output depends on sunlight & maintenance
Smart Buyer Tips (2025)
- Check if your DISCOM is registered under PM Surya Ghar portal.
- Choose Tier-1 vendors (Tata, Waaree, Loom) for warranty & service.
- Avoid oversizing—3–5 kW is enough for most Indian homes.
- Claim subsidy directly via National Solar Rooftop Portal.
- Keep panels dust-free—monthly cleaning boosts output by 5–10%.
Claim your subsidy and switch to solar today:
Tata Power Solar Rooftop | Loom Solar Rooftop
In 2025, rooftop solar is one of the smartest investments for Indian households. With falling costs, generous subsidies, and short ROI periods, solar power pays for itself quickly while delivering clean, reliable energy for decades.
