4 kW Solar Panel Price in India (2026) With and Without Subsidy
Author : Sunora Solar | Published On : 25 Jun 2026
4 kW Solar Panel Price in India: Complete Guide for Homeowners
Electricity bills in India continue to rise every year, making it difficult for many families to manage monthly household expenses. A rooftop solar system offers a practical way to reduce electricity costs while generating clean and renewable energy. Among the various system sizes available, a 4 kW solar system is one of the most popular choices for medium-sized homes because it provides the right balance between affordability, power generation, and long-term savings.
If you are planning to install a solar system, understanding the 4 kW Solar Panel Price in India is essential before making a decision. The overall investment depends on several factors, including the type of solar system, the quality of solar panels, the inverter, installation charges, and the government subsidy available under the PM Surya Ghar: Muft Bijli Yojana.
In this guide, you'll learn everything about the latest 4 kW solar system price in India, the available subsidy, expected electricity generation, and whether this system is suitable for your home.
Who Should Choose a 4 kW Solar System?
A 4 kW solar system is designed for homes with moderate electricity consumption. It is an excellent choice for families looking to reduce their dependence on the electricity grid without investing in a larger solar plant.
A 4 kW system is suitable if your household:
- Consumes around 400 to 600 electricity units every month.
- Lives in a spacious 2BHK or 3BHK home.
- Uses appliances such as LED lights, ceiling fans, televisions, refrigerators, washing machines, laptops, and kitchen appliances every day.
- Runs one inverter air conditioner during daytime hours.
- Has approximately 350 to 450 square feet of shadow-free rooftop space.
- Wants to reduce electricity bills by up to 80–90%.
Before selecting any solar system, always check your previous six months' electricity bills to calculate your average monthly consumption.
How Much Electricity Does a 4 kW Solar System Generate?
The electricity generation of a solar system depends on sunlight availability, weather conditions, panel orientation, and installation quality.
Under normal Indian weather conditions, a 4 kW rooftop solar system typically generates:
- Around 16 to 20 units of electricity per day.
- Approximately 480 to 600 units every month.
- Nearly 5,700 to 7,000 units annually.
States like Gujarat, Rajasthan, Maharashtra, Telangana, Karnataka, and Madhya Pradesh generally produce higher solar output because they receive abundant sunlight throughout the year.
4 kW Solar Panel Price in India Without Subsidy
The 4 kW Solar Panel Price in India varies depending on the type of solar system you install. The three most common options are on-grid, off-grid, and hybrid systems.
An on-grid solar system is the most affordable option because it operates alongside the electricity grid and does not require battery storage. A typical 4 kW on-grid solar system costs between ₹2.60 lakh and ₹2.80 lakh.
An off-grid solar system includes batteries that store electricity for backup during power cuts. Due to the additional battery cost, the total investment generally ranges between ₹3.10 lakh and ₹3.40 lakh.
A hybrid solar system combines the advantages of both on-grid and off-grid systems by using batteries while remaining connected to the utility grid. Since hybrid systems include advanced inverters and battery storage, the cost usually falls between ₹5.90 lakh and ₹6.50 lakh.
The final installation cost may vary depending on your location, rooftop design, cable length, inverter brand, panel efficiency, and labour charges.
Factors That Affect the 4 kW Solar System Price
Several components contribute to the total installation cost.
Solar Panels
Solar panels account for the largest share of the project cost. Most homeowners today choose high-efficiency DCR Mono PERC or TOPCon solar panels because they generate more electricity while occupying less rooftop space.
Solar Inverter
The inverter converts DC electricity generated by the panels into usable AC electricity for your home. Choosing a reliable inverter ensures better efficiency and longer system life.
Mounting Structure
A strong galvanized mounting structure keeps the solar panels securely installed and protects them against wind and harsh weather conditions.
Electrical Components
The installation also includes DC cables, AC cables, earthing, lightning protection, connectors, junction boxes, and safety equipment.
Installation and Net Metering
Professional installation, testing, commissioning, and net-meter approval are also included in the total project cost.
4 kW Solar Panel Price in India With Subsidy
The Government of India has made rooftop solar more affordable through the PM Surya Ghar: Muft Bijli Yojana.
Under the current scheme, residential consumers installing eligible on-grid rooftop solar systems can receive a subsidy of up to ₹78,000 for systems of 3 kW and above.
After receiving the subsidy, the effective price of a 4 kW on-grid solar system generally reduces to approximately ₹1.82 lakh to ₹2.02 lakh, depending on the installation cost.
This significantly lowers the initial investment and improves the return on investment for homeowners.
Eligibility for PM Surya Ghar Subsidy
To receive the government subsidy, applicants must satisfy the following conditions:
- The solar system should be installed on a residential property.
- The applicant should own the property.
- The solar panels must comply with ALMM-approved standards.
- The installation should use eligible DCR solar panels.
- The system should be installed by an authorized vendor.
- The local DISCOM must approve the installation and net-meter connection.
How to Apply for the Solar Subsidy
Applying for the subsidy is straightforward.
First, register on the official PM Surya Ghar portal using your Aadhaar details and electricity consumer number. After registration, choose an approved solar installer and complete the rooftop installation.
Once the installation is finished, submit the commissioning documents through your DISCOM for inspection. After successful verification and net-meter approval, the subsidy amount is transferred directly to your registered bank account through Direct Benefit Transfer (DBT).
Benefits of Installing a 4 kW Solar System
A 4 kW rooftop solar system offers several long-term advantages beyond reducing monthly electricity bills.
It helps lower dependence on conventional electricity, protects homeowners against future tariff hikes, increases property value, and contributes to a cleaner environment by reducing carbon emissions.
Most quality solar panels come with performance warranties of up to 25 years, making solar one of the most reliable long-term investments for Indian households.
Why Choose Sunora Solar?
Choosing the right installation partner is just as important as selecting the right solar panels.
Sunora Solar offers high-quality DCR and Non-DCR solar panels designed for Indian weather conditions. From site inspection and system design to installation, subsidy guidance, and after-sales support, the company provides complete end-to-end solar solutions.
With experienced professionals, premium-quality components, and transparent pricing, Sunora Solar helps homeowners maximize energy generation while ensuring long-term reliability and savings.
Conclusion
Installing a rooftop solar system is one of the smartest investments you can make for your home. The 4 kW Solar Panel Price in India depends on the type of system, equipment quality, and installation requirements. With government support under the PM Surya Ghar: Muft Bijli Yojana, the cost of installing an eligible on-grid system becomes much more affordable, allowing homeowners to recover their investment in just a few years.
If your monthly electricity consumption ranges between 400 and 600 units, a 4 kW solar system is an ideal choice. It provides reliable electricity generation, significantly reduces power bills, and supports a cleaner, more sustainable future. Contact Sunora Solar today to receive a customized quotation and expert guidance for installing the right solar solution for your home.
Frequently Asked Questions
Is a 4 kW solar system enough for a home?
Yes. A 4 kW solar system is suitable for most medium-sized Indian homes that consume around 400–600 units of electricity every month.
How many units does a 4 kW solar system generate daily?
Under good sunlight conditions, a 4 kW system typically produces between 16 and 20 units of electricity each day.
Can I run an air conditioner on a 4 kW solar system?
Yes. A 4 kW solar system can comfortably operate one inverter air conditioner during the daytime along with other common household appliances.
How much rooftop space is required?
A standard 4 kW rooftop solar installation usually requires around 350 to 450 square feet of shadow-free roof area.
What is the lifespan of a 4 kW solar system?
Most premium solar panels have a performance warranty of 25 years, while inverters generally last between 10 and 15 years with proper maintenance.
