3kW Solar Panel System in India – 2025 Price, Subsidy, Specifications, Savings & Installation Guide
Solar energy is no longer just a trend—it’s a necessity. With rising electricity costs and increasing awareness about sustainability, many Indian households are turning to solar power. Among the various system sizes, a 3kW solar panel system strikes the right balance for most families.
In this blog, you’ll get a complete understanding of the 2025 price, government subsidy, specifications, savings, and installation process of a 3kW solar power system in India.
Why 3kW Solar System Is Ideal for Indian Homes
A 3kW rooftop solar system is perfect for homes with moderate electricity consumption. It can comfortably power:
- 2–3 air conditioners
- A refrigerator
- Lights, fans, TV, and washing machine
- Devices like laptops and routers
It requires around 250–300 sq. ft. of shadow-free rooftop space and can generate 12–15 units of electricity per day, which translates to roughly 360–450 units per month.
3kW Solar Panel System Price in India
Here’s a general price range based on system type:
| System Type | Estimated Cost (INR) |
|---|---|
| On-Grid (Grid-tied) | ₹1.4 – ₹2.0 Lakhs |
| Hybrid (With Battery) | ₹2.2 – ₹2.8 Lakhs |
Factors that affect pricing:
- Brand and efficiency of solar panels (e.g., Waaree, JA Solar, Vikram)
- Inverter type (on-grid vs hybrid)
- Roof type and installation complexity
- Vendor services and warranty coverage
Government Subsidy – PM Surya Ghar Muft Bijli Yojana
The PM Surya Ghar scheme offers direct financial support to homeowners installing rooftop solar. Here’s how it helps reduce your investment:
✅ Subsidy Structure:
- ₹30,000 per kW for systems up to 3kW
- Maximum subsidy for 3kW = ₹90,000
| System Price | Govt Subsidy | Net Payable by Homeowner |
|---|---|---|
| ₹1,50,000 | ₹90,000 | ₹60,000 |
| ₹1,90,000 | ₹90,000 | ₹1,00,000 |
The subsidy is credited directly to your bank account after installation, net metering, and verification.
Technical Specifications – 3kW Solar Panel System
| Component | Details |
|---|---|
| Number of Panels | 6 to 8 (Mono PERC or Half-Cut) |
| Inverter | 3kW capacity, on-grid or hybrid |
| Structure | Galvanized Iron / Aluminum |
| Output | 12–15 units/day |
| Warranty | 25 years on panels, 5–10 years on inverter |
| Rooftop Space Needed | 250–300 sq. ft. |
Benefits of Installing a 3kW Solar Panel System
Here’s why a 3kW system is a smart choice for Indian households:
✅ Save on Electricity Bills: Up to ₹2,000 per month
✅ Government Support: Big subsidy reduces upfront cost
✅ Quick ROI: System pays for itself in 3–4 years
✅ Eco-Friendly: Offsets ~3 tons of CO₂ per year
✅ Low Maintenance: Minimal upkeep, long lifespan
Step-by-Step Installation Process
- Register at pmsuryaghar.gov.in with your electricity details
- Choose a registered vendor from the list
- Site Survey & load assessment
- System Design & Installation
- Apply for Net Metering via your DISCOM
- Inspection & Approval
- Subsidy Disbursement directly to your bank account
Total time required: 10–15 working days (post-approval)
How to Choose the Right Vendor
- Check if they’re MNRE-registered
- Ask for past project references
- Verify warranty, maintenance & service policies
- Look for digital monitoring tools or mobile app access
- Avoid unusually low bids—they may cut corners
A 3kW rooftop solar system is one of the smartest energy decisions for Indian homeowners in 2025. Thanks to the PM Surya Ghar Muft Bijli Yojana, the investment is more affordable than ever—offering energy savings, clean power, and long-term benefits.
Empowering Your Solar Journey: PowernSun India – Your Reliable Solar Partner
PowernSun India is more than just a solar solutions provider—it’s a mission-driven company committed to making clean, affordable, and sustainable energy accessible across the country. Here’s how PowernSun empowers your solar journey:
Trusted Solar Expertise
With deep industry experience and a proven track record, PowernSun India brings the knowledge and technical know-how needed to make your switch to solar seamless and stress-free.
Quality You Can Count On
Every solar solution by PowernSun is built using top-tier components, high-efficiency panels, and reliable inverters—ensuring long-term performance, durability, and peace of mind.
Support at Every Step
From your first consultation to system design, installation, and post-sales service, PowernSun India stands by you as a true partner—guiding you through each stage of your solar journey with care and commitment.
FAQs: 3kW Solar Panel System
How much electricity does a 3kW solar panel generate per day?
A 3kW system generates around 12–15 units per day, depending on sunlight, location, and panel quality.
Is 3kW solar enough for a home?
Yes, it is suitable for homes with 2–3 ACs, refrigerator, washing machine, and other common appliances.
What is the cost of a 3kW solar system in India after subsidy?
After ₹90,000 subsidy, the net price ranges from ₹60,000 to ₹90,000, depending on the system configuration.
How to apply for the PM Surya Ghar subsidy?
Register at pmsuryaghar.gov.in, select a vendor, install the system, and apply for subsidy after net metering.
Can I add a battery later to my 3kW solar system?
Yes, if you install an on-grid system now, you can upgrade it to a hybrid system later with additional investment.
