The 3kW solar system is the most popular choice for Indian homes — it’s the sweet spot where you get maximum PM Surya Ghar subsidy (₹78,000) while covering the electricity needs of a 2-3 BHK household. Here’s everything Lucknow homeowners need to know about 3kW solar pricing in 2026.
3kW Solar System Price Breakdown
| Component | Cost Range |
|---|---|
| Solar Panels (8 × 375W Tier-1) | ₹72,000 – ₹88,000 |
| Solar Inverter (3kW string) | ₹25,000 – ₹35,000 |
| HDG Mounting Structure | ₹18,000 – ₹22,000 |
| Wiring, Earthing, ACDB/DCDB | ₹12,000 – ₹15,000 |
| Installation Labour | ₹8,000 – ₹12,000 |
| Net Metering + Documentation | ₹10,000 – ₹15,000 |
| Total (Before Subsidy) | ₹1,50,000 – ₹1,80,000 |
| PM Surya Ghar Subsidy | – ₹78,000 |
| Your Net Cost | ₹72,000 – ₹1,02,000 |
What Can a 3kW Solar System Power?
A 3kW system generates approximately 12-15 units (kWh) per day in Lucknow’s climate. This is enough to run:
- 5-6 Ceiling Fans (24/7)
- 8-10 LED Lights
- 1 Refrigerator
- 1 Washing Machine
- 2-3 TVs
- 1 Water Purifier
- 2-3 Mobile/Laptop Chargers
- 1 Small AC (1-1.5 Ton, 6-8 hours)
Monthly Savings with a 3kW System
| Monthly Bill (Before Solar) | Savings After Solar | Payback Period |
|---|---|---|
| ₹2,000 – ₹3,000 | ₹1,800 – ₹2,700 (90%) | 3-4 years |
| ₹3,000 – ₹5,000 | ₹2,700 – ₹4,500 (90%) | 2-3 years |
| ₹5,000+ | ₹4,500+ (90%+) | 1.5-2.5 years |
After payback, you enjoy free electricity for 22+ years (panel life: 25 years)
Space Required
A 3kW system needs approximately 300 sq. ft. of shadow-free roof area. This is roughly the size of a standard bedroom. Rudransh Solartech’s free site survey includes a shading analysis to ensure optimal panel placement.
EMI Options for 3kW Solar System
| Bank | EMI/Month | Tenure | Down Payment |
|---|---|---|---|
| SBI | ₹999 | 7 years | ₹0 |
| Union Bank | ₹1,199 | 5 years | ₹0 |
| PNB | ₹1,499 | 4 years | ₹0 |
Is 3kW the Right Size for Your Home?
Choose 3kW if:
- Your monthly electricity bill is ₹2,000 – ₹5,000
- You have a 2-3 BHK home
- You use 1 AC moderately
- You have 300+ sq. ft. of roof space
Consider upgrading to 5kW if:
- Your bill exceeds ₹5,000/month
- You have multiple ACs
- You plan to buy an electric vehicle in the future
📞 Call: +91 91960 39515 | 🌐 Get 3kW Quote →
