3kW Solar System Cost in India After Subsidy 2026: True Price, Savings & ROI
With electricity rates rising every year and India accelerating its clean energy mission, installing a 3kW solar system for home in India is one of the smartest investments you can make in 2026.
But what is the actual cost of a 3kW solar system in India after subsidy? This blog explains the true price after government subsidy, PM Surya Ghar benefits, monthly savings, payback period, and expert tips to reduce your solar installation cost.
What Does a 3kW Solar System Cost Before Subsidy?
The 3kW solar system cost in India before subsidy depends on system type, panel brand, and installation quality.
A typical 3kW rooftop solar system installation in India, including solar panels, inverter, mounting structure, wiring, net meter, and labour, costs approximately:
₹1,60,000 – ₹2,15,000 for a 3kW on-grid solar system
Hybrid and off-grid solar systems with batteries cost slightly higher
The 3kW solar panel price in India varies by city, panel technology (Mono PERC / TOPCon), and local labour charges.
Government Subsidy in India (PM Surya Ghar Muft Bijli Yojana)
The Government of India offers financial support under the PM Surya Ghar Muft Bijli Yojana, also known as the Residential Rooftop Solar Subsidy Scheme.
3kW Solar Subsidy Structure:
₹18,000 per kW for systems from 1 kW to 3 kW
Maximum central subsidy of up to ₹78,000 for a 3kW solar system
📍 Note: Many states offer additional DISCOM benefits and net metering, which further reduces the 3kW solar system price after subsidy.
Actual Cost of 3kW Solar System in India After Subsidy (Real Numbers)
After applying the government subsidy for a 3kW solar system, the actual out-of-pocket cost for homeowners is
| System Type | Cost Before Subsidy | Government Subsidy | Net Cost After Subsidy |
|---|---|---|---|
| 3kW On-Grid Solar System | ₹1.6 – ₹1.8 L | ~₹78,000 | ₹82,000 – ₹1.02 L (Price differ from state to state) |
| 3kW Hybrid Solar System | ₹2.1 – ₹2.3 L | ~₹78,000 | ₹1.32 – ₹1.52 L (Price differ from state to state) |
| 3kW Off-Grid Solar System | ₹2.4 – ₹2.6 L | No subsidy | ₹2.4 – ₹2.6 L (Price differ from state to state) |
On-grid solar systems are the most affordable and popular choice for Indian homes after subsidy.
How Much Power Does a 3kW Solar System Generate?
A 3kW rooftop solar system in India typically generates 350–450 units (kWh) per month, depending on sunlight availability and location.
This power output is sufficient for:
Fans, lights, TVs, refrigerator
Laptops, Wi-Fi, kitchen appliances
A 1.5-ton AC for several hours daily (usage varies by city and climate)
Savings & Payback Period of a 3kW Solar System
Installing a 3kW solar system for home delivers strong financial returns:
🔥 Monthly electricity savings: ₹2,000 – ₹3,500+
💰 Annual savings: ₹24,000 – ₹40,000
⏱ Payback period: 3–5 years for an on-grid system
After payback, your solar electricity is nearly free for 20–25 years.
Tips to Reduce 3kW Solar System Cost Further
Apply via the official solar rooftop portal (pmsuryaghar.gov.in)
Check state DISCOM top-up subsidies
Choose MNRE-approved solar vendors
Enable net metering to earn credits for excess power
Select high-efficiency panels to maximize generation
The actual cost of a 3kW solar system in India after government subsidy in 2026 ranges between ₹82,000 and ₹1.10 lakh, depending on system type and state benefits.
With rising electricity prices, fast payback, and 25+ years of savings, a 3kW rooftop solar system is one of the best investments for Indian homeowners.
Stop Renting Your Power—Own It. Every month you wait is a month of missed savings.
Frequently Asked Questions (FAQ'S)
What is the actual cost of a 3kW solar system in India after subsidy?
The actual cost of a 3kW on-grid solar system in India after government subsidy ranges between ₹82,000 and ₹1,10,000, depending on location, vendor, and state incentives.
How much subsidy is available for a 3kW solar system in India?
Under the PM Surya Ghar Muft Bijli Yojana, homeowners can get up to ₹78,000 subsidy for a 3kW rooftop solar system
Is a 3kW solar system enough for an Indian home?
Yes. A 3kW system can generate 350–450 units per month, sufficient for a 2–3 BHK house with fans, lights, TV, fridge, and partial AC usage.
What is the payback period for a 3kW solar system?
The average payback period is 3 to 5 years, after which electricity is nearly free for 20–25 years.
Does a 3kW solar system work during power cuts?
An on-grid system shuts down during outages. To get backup power, you need a hybrid solar system with batteries.