Solar power is growing fast in India. Many homeowners are choosing solar energy. A 3 kW solar panel system is ideal for medium-sized families. It is both powerful and cost-effective. If you’re planning to install a solar system at home, this article will help you understand everything about 3 kW solar panel price in India, subsidy, savings, and more.
What Is a 3 kW Solar Panel System?
A 3 kW solar system means the total capacity of the solar panels is 3,000 watts. It usually has:
- 6 high-efficiency solar panels (500W–540W each)
- A 3 kW solar inverter
- Mounting structures and cables
- Optionally: battery backup for off-grid use
This system generates 12 to 15 units of electricity per day, which is about 4,300 to 5,400 units per year. It is perfect for homes with monthly electricity bills around ₹3,000 to ₹5,000.
3 kW Solar System Price in India (2025)
The cost of a 3 kW solar panel system depends on the type you choose – on-grid, off-grid, or hybrid. Below are average prices in India:
| Type | Approx. Price (₹) |
|---|---|
| On-grid system | ₹1,65,000 – ₹2,20,000 |
| Off-grid system | ₹2,40,000 – ₹2,70,000 |
| Hybrid system | ₹2,50,000 – ₹3,00,000 |
Prices include solar panel installation, inverter, structure, wiring, and labor. Costs may vary based on location and brand.
State-Wise Estimated Cost (On-Grid 3 kW System)
| City | Price Range (₹) |
|---|---|
| Delhi | ₹1.65L – ₹1.95L |
| Mumbai | ₹1.90L – ₹2.20L |
| Bengaluru | ₹1.75L – ₹2.05L |
| Chennai | ₹1.70L – ₹1.90L |
| Kolkata | ₹1.60L – ₹1.85L |
| Jaipur | ₹1.70L – ₹2.00L |
These prices are for top solar panels and certified installers only.
Government Subsidy on 3 kW Solar Panel System
Good news for homeowners! Under the PM Surya Ghar Muft Bijli Yojana, you can get subsidy up to ₹78,000 for a 3 kW on-grid system.
Breakdown of subsidy:
- ₹18,000 per kW for the first 3 kW = ₹54,000
- Additional benefits from state government = ₹24,000 (approx.)
- Total subsidy = ₹78,000
This solar subsidy in India is available only for residential users who install panels from MNRE-approved brands.
How Much Do You Save?
With a 3 kW system, you can generate about 360 to 450 units per month. At an average rate of ₹7 per unit, this saves ₹2,500 to ₹3,100 monthly.
Annual savings = ₹30,000 to ₹38,000.
Payback period = 4 to 6 years (after subsidy).
You get free electricity for 20+ years after the breakeven point.
Best Solar Panels for 3 kW Systems
To get high performance, always choose top solar panels with high solar panel efficiency.
Popular options in India (2025):
- Vikram Solar – high performance and good service
- Waaree Energies – one of India’s largest manufacturers
- RenewSys Solar – good balance of price and efficiency
- Adani Solar – trusted for long-term durability
- Tata Power Solar – premium but expensive
Look for mono PERC or TOPCon solar panels. These offer better energy yield and space efficiency.
Components & Cost Breakdown (Approx.)
| Component | Cost (₹) |
|---|---|
| Solar Panels (3 kW) | ₹60,000 – ₹75,000 |
| Inverter (3 kW) | ₹25,000 – ₹30,000 |
| Structure & Mounts | ₹10,000 – ₹20,000 |
| Cables, Connectors | ₹10,000 – ₹15,000 |
| Installation Labor | ₹10,000 – ₹15,000 |
Total = ₹1,65,000 – ₹2,20,000 before subsidy.
Types of 3 kW Solar Systems
- On-Grid Solar System
- Connected to the main electricity grid
- Net-metering allows bill credits
- Best for urban homes
- Off-Grid Solar System
- Not connected to the grid
- Includes battery backup
- Best for rural or power-cut prone areas
- Hybrid Solar System
- Mix of on-grid + battery
- Works during grid failure too
- More expensive
Installation Process (Step by Step)
- Contact a certified solar vendor
- Site survey and load analysis
- Choose the best solar panels for home use
- Apply for net metering and subsidy
- Install the system (2–4 days)
- Final inspection and commissioning
Ensure you get a 25-year warranty on solar panels and 5-10 years on inverter.
FAQs – 3 kW Solar Panel Price in India
Q1. What is the 3 kW solar panel price in India in 2025?
A: ₹1.65 lakhs to ₹2.2 lakhs for on-grid systems before subsidy.
Q2. What is the final cost after subsidy?
A: You can get up to ₹78,000 subsidy. Net cost becomes around ₹87,000 to ₹1.4 lakhs.
Q3. Is 3 kW solar enough for a house?
A: Yes. It supports 2–3 ACs, lights, fans, fridge, TV, and more.
Q4. What is the lifespan of a 3 kW solar panel system?
A: Panels last 25+ years. Inverter lasts 8–10 years.
Q5. Can I use batteries with a 3 kW solar system?
A: Yes, in hybrid or off-grid setups. Batteries increase cost but give backup.
Q6. Which are the best solar panels for 3 kW systems in India?
A: Top brands include Vikram Solar, Tata Power Solar, Adani Solar, and Waaree.
Q7. How much area is required for 3 kW solar panel installation?
A: About 250 to 300 sq. ft. of shadow-free rooftop space.
Conclusion
A 3 kW solar panel system is one of the smartest choices for Indian homes. It reduces your electricity bills, gives high savings, and helps the environment. With government subsidy and net-metering, the system becomes very affordable. If you want the best solar panels for home, focus on solar panel efficiency, brand warranty, and professional installation.
Start your solar journey today and enjoy free power for years!
Author- Ayush
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