3kW Solar Panel System India: Price, Subsidy, Specifications, Benefits & More

Nikita Prajapati
Jul 9, 2025
8 min read

Apart from making it energy efficient, a solar plant increases the value of one's property. While the exact size for a home solar can only be determined post-checking the house size and energy requirements, generally, a 3kW solar system works best for a small- to medium-sized home. It is not only a budget-friendly way to live sustainably but also an intelligent investment, considering additional solar panels can be added later in case of an increase in requirements anytime.

Our post contains everything you need to know about a 3kW solar system—its price, the subsidy, and, most importantly, whether it will be the right fit for you or not! Let's find out!

3kW Solar System Price List in India

The standard cost of installing a 3kW solar system throughout India starts at ₹1.9 lakh and reaches up to ₹ 3.9 lakh. The pricing of solar systems depends on their configuration between grid-tied, off-grid and hybrid systems and the quality standard of their components.

Model	3 kW Solar System Price
3 kW on-grid solar system	Rs.1,89,000
3 kW off-grid solar system	Rs.2,10,000
3 kW hybrid solar system	Rs.3,93,000

While most homeowners in India prefer on-grid systems for their flexibility and high return on investment, there is a fair share of market demand for off-grid systems as well. The choice ultimately depends on the customer's specific needs and budget.

The 3kW solar system prices mentioned above can vary as per location, promotions, brand, and availability.
The prices are also exclusive of the government subsidy. The eligibility to avail a subsidy depends on various factors, including the state regulations and the type of solar system.
For any questions regarding the solar 3kW price across states, our team at greenpages can help you.

Subsidy on a 3kW Solar System in India(2025)

The Indian government provides financial support to foster home-based solar power systems. Following are the details of the 3kW Solar System subsidy in India:

Solar System Capacity	Applicable Subsidy (₹)
1 kW	30,000/-
2 kW	60,000/-
3 kW and Above	78,000/-*
Resident Welfare Associations (RWA) and Group Housing Societies (GHS)	Rs. 78,000/- for common facilities up to 500 kWp @ 10 kWp per house, with the upper limit being inclusive of individual rooftop plants already installed by individual residents in that GHS/RWA at the time of installation of RTS for common activity.
Note: *The subsidy amount is fixed for rooftop solar systems of 3 kW and above capacity.

Systems running up to 2 kW get a Rs. 30,000 subsidy per kW.
Systems running up to an additional capacity of 3 kW get Rs. 18,000 per kW.
For all solar systems larger than 3kW, get a fixed Rs. 78,000 subsidy.
For group house societies and resident welfare associations, the subsidy is set at Rs. 18,000 per kW. (includes common facilities; 500 kW capacity where each house gets 3 kW; EV charging)

Note: For detailed information, please refer to the scheme guidelines.

3kW Solar System Price in India with Subsidy

Here are the CFA calculations for 3000-watt solar panel prices in India. To find out the accurate cost of solar for your home or office, you are advised to connect with a trusted solar company.

Model	3 kW Solar Plant Price	Subsidy Applicable	Prices After Subsidy
3 kW on-grid solar system	Rs. 1,89,000	Rs. 78,000	Rs. 1,11,000
3 kW off-grid solar system	Rs. 2,10,000	Not applicable	No change
3 kW Hybrid solar system	Rs. 3,93,000	Rs. 78,000	Rs. 3,15,000

Note: Note that the subsidy amount calculation doesn’t include the cost of solar batteries and is fixed for each kW across different system capacity ranges

3 kW Solar System Specifications

The following specifications describe a 3kW solar panel system in India.

Particulars	Description
Solar Panel	335 watts
No. of Module	9 Nos.
Type of Solar Panel	Mono/Poly
Efficiency	Up to 19%
Warranty	25 Years
Charge Controller	48V
Technology	MPPT
SPVmax (Voc)	360V
Operating Range	136V-352V
Efficiency Rate	>95%
Switching Device	IGBT
Ingress Protection	IP-21
Operation Temperature	0°C to 50°C
Solar Accessories	Yes
Mounting Structure	3kW Standard Structure
DC Junction Box	1 Unit
DC Cable	30 Meter
AC Cable	20 Meter
MC4 Connectors	2 Pairs
Other Accessories	Fasteners, Cable Tie, Crimping Tool, Earthing Kit, Lighting Arrestor
Space Required	200 sq. feet

Is a 3kW Solar System Right for You?

If you are planning to add a 3-kilowatt solar panel system to your home, here are some important facts that would interest you.

Energy output: The average generation capacity of a 3-kilowatt solar system is 12 units per day. Hence, you can expect your solar system to deliver 360 units (12 units x 30 days) over a month. This amounts to 4320 units per year (360 units x 12 months).

Area required: For a 3kW solar panel system, you will need a minimum roof space of 200 square feet.

Warranty: Your 3 kW solar panels will be covered by 25 years of performance warranty, whereas the other critical solar components will have a product warranty of 5-10 years, depending on their brand.

Subsidy: If you search for 3kW solar panel prices in India with subsidy, it is crucial to note that solar subsidies only apply to solar systems regulated under net metering. Off-grid solar systems are not eligible for government subsidies. Refer to above section to see the subsidy available on a 3 kW solar panel system.

Savings on Electricity: The most obvious advantage of using solar energy is reducing your monthly electricity bills. Using the power produced by your 3-kilowatt solar panels means you don't need to purchase electricity from the grid. Instead, when your system makes surplus power, you earn solar credits by exporting unused electricity to the grid.

Earn Money by Transferring Surplus Solar Energy to the Grid: Depending on your location and the net-metering rates, you have an opportunity to make an additional income by transferring unused electricity to the government grid. Net metering is an electric billing system that records your grid exports and gives you solar credits for every unit sent. You can use these solar credits to purchase grid electricity wherever your solar electricity production falls below the standard. Then, if you still have unused solar credits by the end of the year, you get paid in cash.

Long-term Financial Gains: The monthly savings on electricity will accumulate to a significant amount in a year. Depending on the mode of payment you used to purchase your 3-kilowatt solar panels and the weather conditions of your location that determine annual solar energy output, you can expect your system to pay you back on the initial installation cost in 6 to 8 years.

Help the Environment and Future of Us All: Solar energy is a clean energy form derived from the Sun. As more and more homes switch to solar, this has the potential to immensely reduce our collective dependence on conventional energy sources and thus cut down greenhouse gas emissions (GHG).

Flexible Financing Options: Solar energy is in every homeowner's budget with government support and favorable financing options available. If you are not ready to make an upfront payment, you can take out a solar loan to purchase a 3kW solar panel system. Solar leases and solar power purchase agreements (PPAs) are other popular alternatives to avoid making the heavy initial payment. You don't own your solar plant in both options but enjoy the benefits with an affordable payment plan.

Types of 3kW Home Solar System

If you have already begun looking into solar photovoltaic (PV) system options for your home, you've likely noticed that not all 3kW solar systems look or function the same. There are three types of home solar system options. Apart from the aesthetics, every home solar plant varies in price, capabilities, solar energy output, and overall efficiency levels. Hence, picking the right one requires careful consideration of your home's electricity needs and budget against the characteristics of different solar PV modules.

There are three main types of home solar systems:

On-Grid Solar System (offers long-term savings and the flexibility of grid connections)
Off-Grid Solar System (offers long-term savings and battery backup to prevent power outages)
Hybrid Solar System (offers the best of off-grid and on-grid solar energy systems)

3 KW on Grid Solar System

Also known as a grid-tie or grid-feed solar system, an on-grid 3kW solar system is a typical choice for homeowners looking for a low-cost solar energy option. Solar panels and a solar inverter are the two key components you need to put together a 3 kW on-grid home solar system. Solar panels perform the primary function of capturing sunlight to generate solar energy, which passes through a solar inverter to get converted into alternating current (AC) electricity that powers your household appliances and electronics.

On days when your solar energy generation exceeds your daily electricity usage, the unused surplus energy is sent to the local grid for solar credits. Likewise, you can draw electricity from the grid when solar energy production falls short. This provision in on-grid solar plants is regulated under the net-metering system. The meter calculates the import and export of power between your 3 kW solar panel system and the local grid and records the same in your monthly electricity bills.

3 KW off-grid Solar System

To simply put it, this type of solar system can function independent of the local grid and has more components to ensure ample electricity production and availability in all situations. Solar batteries are an added component in an off-grid 3kW solar system that stores excess solar electricity for use during night hours when your solar panels are dormant.

An off-grid structure is required to give a higher solar electricity output to meet one's daily household consumption. It is also required to maintain ample power reserve in solar batteries. Courtesy of higher efficiency levels, there is apparent inflation in the price of a 3kW off-grid home solar system.

3 KW Hybrid Solar System

As the name suggests, a modern hybrid solar system combines the best features of on-grid and off-grid solar power systems. A hybrid 3 kW solar system is connected to the grid and offers the advantages of battery storage, ensuring 24 hours of electricity supply throughout the year. The solar panels generate energy during the peak hours of sunlight to power household appliances and charge solar batteries. The unused energy is exported to the grid via the net metering system in case of surplus production.

Likewise, on days when usable electricity in solar batteries is drained and the solar panels cannot generate power, one can draw additional electricity from the local grid.

Conclusion

Investing in a 3kW solar panel in India can be your ideal choice. If you have a medium home with 3-4 rooms and want to save on electricity bills, this is a sign that you should buy a 3 kW solar panel for your home. For more information, you can contact us at Green Pages India to determine your ideal solar panel according to your usage and bills.

FAQs About 3kW Solar System

What is the total lifespan of a 3kW solar system?

You will be shocked to know that to break even, the 3 kW solar panel system will take around 25 years or more.

What is the number of appliances that i can run on a 3kW solar panel system?

To your joy, you can run all your essential household items like lights, fans, a refrigerator, a television, and a washing machine on a 3 kW solar system. It can also power a laptop, an iron press, and a small AC as well!

How many solar panels are required to set up a 3 kW solar system?

You will need around 10 solar panels to set up a 3 kW solar panel system for your home. But remember, the more wattage your individual panel has, the less you require them.

How much area do i need to set up a 3kW solar system?

To set up a 3 kW solar system, you will need around 200 sq. feet of shadow-free area.

What type of maintenance is required for a 3kW solar system?

To maintain your 3 kW solar system, all you need to do is clean your panels every 2 to 3 weeks and do an annual check-up of your solar and monitoring systems.

Do I need batteries for a 3kW solar system?

It totally depends on the type of solar system you are installing. For example, an off-grid solar system does not require any batteries, while an off-grid solar system requires power sources.