Switching to a solar rooftop is one of the smartest investments you can make today—both for your wallet and for the planet. But one of the most common questions people ask is:
“How long will it take to recover my investment in a solar rooftop system?”
The answer depends on a few key factors. Let’s break it down.
1. Upfront Cost of Installation
The initial investment in a solar rooftop system depends on its size, brand, and whether you opt for a battery backup. On average, residential systems in India cost between ₹40,000 to ₹60,000 per kW (before subsidy).
For example:
- A 3 kW system may cost around ₹1.2–1.5 lakh.
- A 5 kW system may cost around ₹2–2.5 lakh.
Government subsidies can reduce this cost significantly, making the payback faster.
2. Your Monthly Electricity Bill
The higher your electricity consumption, the faster you recover the cost.
- If your bill is around ₹3,000–₹5,000 per month, a 3–5 kW system can cut your bill by 70–90%.
- This means annual savings of ₹40,000–₹60,000, which directly shortens your payback period.
3. Average Payback Period
For most households, the cost of a solar rooftop system is recovered within 4 to 6 years.
After this period, the electricity you generate is practically free (except for minimal maintenance), and your savings continue for the remaining lifespan of the system—typically 20+ years.
4. Factors That Can Speed Up Payback
- Government Subsidies: Current subsidies can cover 20–40% of the system cost.
- High Grid Tariffs: If your electricity rate is high, your savings are higher, and payback is quicker.
- Net Metering Benefits: Selling excess power back to the grid further reduces your effective payback time.
5. Real-Life Example
Let’s say you install a 5 kW solar rooftop system costing ₹2.2 lakh (after subsidy).
- Monthly electricity bill: ₹5,000
- Annual savings: ₹60,000
- Payback time: Around 3.5–4 years
For the next 20 years, you enjoy almost free electricity and save ₹10–12 lakh in total.
Conclusion
Recovering the cost of a solar rooftop system doesn’t take long—just 4–6 years for most households. After that, your system pays you back many times over in the form of reduced bills and long-term savings.
So, the sooner you invest, the sooner you start reaping the rewards of clean and free solar energy.
Connect With Us
At Educosmic Solutions Pvt. Ltd., we are committed to promoting clean and renewable energy solutions for a brighter future.
📞 Contact: +91 940-389-1609
🌐 Website: www.solarfusion.in
📧 Email: [email protected]
👤 Director: Mr Gavish Jaiswal
Note: Install a Solar Rooftop System at your residence under the PM Surya Ghar Bijli Yojana and avail a government subsidy of up to ₹78,000.
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