1kW Solar System for Home: Prices, Benefits, and Installation Guide

Looking to slash your electricity bills in 2026? A 1 kilowatt (1kW) solar system is the most popular entry point for Indian homeowners. With the government’s PM Surya Ghar: Muft Bijli Yojana, going solar has never been more affordable.
This guide breaks down the 1kW solar panel price in India, including subsidies, component costs, and savings.
1kW Solar System Price List (April 2026)
The cost of a solar system depends primarily on whether it is connected to the grid or uses batteries for backup.
Table 1: Price Comparison by System Type
| System Type | Price (Before Subsidy) | Govt. Subsidy | Net Cost (Approx.) |
|---|---|---|---|
| On-Grid (No Battery) | ₹65,000 – ₹75,000 | ₹30,000 | ₹35,000 – ₹45,000 |
| Off-Grid (With Battery) | ₹95,000 – ₹1,25,000 | Nil | ₹95,000 – ₹1,25,000 |
| Hybrid (Grid + Battery) | ₹1,10,000 – ₹1,40,000 | ₹30,000* | ₹80,000 – ₹1,10,000 |
*Note: Subsidy on hybrid systems is usually applicable only to the solar components as per MNRE guidelines
Technical Specifications & Performance
Before buying, it is essential to understand what a 1kW system can actually do for your home.
Table 2: 1kW System Capability
| Feature | Details |
|---|---|
| Solar Panels Required | 2 panels (540Wp-550Wp each) |
| Daily Generation | 4 – 5 Units (kWh) |
| Monthly Generation | 120 – 150 Units |
| Roof Space Needed | ~100 sq. ft. (Shadow-free) |
| Appliances It Can Run | 3 Fans, 5 LED Lights, 1 TV, 1 Fridge, Laptop/WiFi |
Price Breakdown by Technology
Not all solar panels are created equal. The type of cell technology you choose will impact the final 1kW solar panel price.
Table 3: Price per Watt by Panel Type
| Panel Technology | Efficiency | Price Per Watt (₹) | Total Panel Cost (1kW) |
|---|---|---|---|
| Polycrystalline | 16–18% | ₹22 – ₹28 | ₹22,000 – ₹28,000 |
| Mono PERC | 20–22% | ₹28 – ₹35 | ₹28,000 – ₹35,000 |
| Bifacial / TOPCon | 22%+ | ₹35 – ₹45 | ₹35,000 – ₹45,000 |
PM Surya Ghar Subsidy: How it Works
Under the PM Surya Ghar Yojana, the Central Government provides a fixed subsidy to residential consumers to promote green energy.
- For 1kW System: ₹30,000 fixed subsidy.
- For 2kW System: ₹60,000 fixed subsidy.
- For 3kW & Above: ₹78,000 (Maximum cap).
The Process: 1. Register on the National Portal.
- Get your feasibility approval from the local DISCOM.
- Install the system through an empanelled vendor.
- Apply for inspection and net metering.
- Subsidy is credited to your bank account within 30 days of commissioning.
ROI: Is a 1kW Solar System Worth It?
Investing in solar is like prepaying your electricity bills for the next 25 years at a massive discount.
Table 4: Financial Savings & Payback
| Parameter | Estimation |
|---|---|
| Annual Savings (at ₹8/unit) | ₹12,000 – ₹14,500 |
| Total Investment (After Subsidy) | ~₹40,000 |
| Payback Period | 3 – 4 Years |
| Life of Panels | 25 Years |
| Total Profit over 25 Years | ₹3,00,000+ |
Conclusion
A 1kW solar system is the perfect solution for small families or 1-2 BHK flats. With the current ₹30,000 subsidy, your initial investment is recovered in less than 4 years, giving you over two decades of nearly free electricity.