Generally, a 3kW solar panel system is an environmentally friendly and economical option for small homes or businesses; typically, it takes 8-11 panels to generate enough energy to meet daily electricity needs. The system generates 12 kWh daily and 360 kWh monthly when sunny, reducing consumption bills and carbon footprint for various devices. Installing such systems also increases property value. Especially in small-to-medium homes, but it has a major disadvantage – without sunlight. They won’t work during blackouts unless paired with batteries that store energy.
Maintenance and Long-Term Considerations
Solar panels require very little maintenance as it is a one-time investment. You should clean them of dirt and other waste material from time to time, but besides that, you only need to check your system every few years to ensure it works well. Additionally, clean them using a gentle cloth or sponge without any abrasive substances. Most solar panels come with a warranty for a period of up to 25 years. You can now sit back and relax as you have secured your investment for many years in the future.
Use of 3 kW solar panels
Most homes have water pumps, refrigerators, air coolers, televisions, washers and dryers, laptops, lights, and fans. Installing an off-grid solar system of 3kW rating means that the inverter should have a capacity of 3kW; experts suggest using the load up to 80% maximum. The standard load range for residential buildings is between 10-50%. During our research on various homes (75%), we still managed to create this list showing different types of appliances with their respective loads required to run them.
High Power Required Appliances:
- Submersible Water Pump (1500 Watts): This is an essential appliance for supplying water in remote areas. It requires a lot of electricity to function.
- Refrigerator (200-400 Watts): This is an essential appliance for storing food, and its power usage depends on various factors like size, efficiency or how often you open the door.
- Washing Machine (800 Watts): Home appliances like washing clothes often consume a significant amount of electricity, but there are energy-saving options available.
Medium Power Appliances:
- Fan (200 watts): Blows cool air when it’s hot. It consumes energy depending on its size and frequency of use.
- Flat iron (700 watts): Designed to remove creases from clothes. The device may have different power consumption depending on its model and configuration.
Low-Power Appliances:
- TV (50 watts): An entertainment device that consumes a considerable amount of energy. Updated versions can reduce power consumption even further.
- Laptop (40 watts): A flexible device for work, entertainment, and learning. Energy use depends on how much is used and what features are enabled.
- Lights, fans (10-20 watts): Needed for viewing and air circulation. LED bulbs or efficient fans can reduce power consumption dramatically.
Additional Considerations:
- Standby power: Many appliances consume a lot of energy even when not in use. You can save energy by unplugging them when not in use.
- Energy-efficient models: If one chooses energy-efficient appliances, the overall energy consumption can be reduced significantly. Such appliances should have stars indicating their energy level.
- Solar power: Solar systems can be an economical and sustainable way to power machines in areas where sunlight is readily available.
Components of 3kW Solar Panel
1. The balance of system (cables, fuses, MCBs, and Distribution boxes)
2. Solar panels (at least 75% performance efficiency),
3. Framework and solar mounting structure,
4. Solar inverter,
5. Solar batteries (optional),
(Note: To be eligible for the subsidy scheme, all the parts must comply with MNRE rules and ALMM norms.)
3kw solar panel produces how many units?
On average, a 3kW solar system generates around 12-15 units of electricity per day per PV watt or 4320 – 5400 units per year. This results in savings of around ₹ 84-105 per day and ₹ 30,240 – ₹ 37,800 per year. The production report for this solar power plant is as follows in detail:
| Month | Per kW Generation | Total Generation |
| January | 4.43 | 308 |
| February | 5.43 | 335 |
| March | 6.41 | 416 |
| April | 6.82 | 424 |
| May | 6.52 | 409 |
| June | 5.77 | 355 |
| July | 4.94 | 320 |
| August | 5.36 | 356 |
| September | 5.74 | 369 |
| October | 5.58 | 375 |
| November | 4.81 | 318 |
| December | 4.36 | 308 |
3kw solar panel price in india with subsidy
3kW Solar System Price List
In India, the price of a 3kW solar system can vary depending on the type of panel, efficiency rating, and other components like inverters. The initial investment can range between Rs 1.6 lakh and Rs 3 lakh. Installation becomes affordable due to long-term financial savings and environmental benefits. Subsidies and multiple financing options relieve customers from paying everything upfront. Also, location availability or promotions are also important among other factors when determining the price point for these systems.
While it is true that mono-crystalline panels are highly efficient which makes them expensive; one can always opt for poly-crystalline panels which are also budget-friendly. On the other hand, the government may provide subsidies to promote the use of solar energy but this does not mean that all areas will get equal coverage from such initiatives as different areas may have varying levels of access or demand for power supply through this medium. For example, the price of an on-grid PV setup can range from around Rs 2.30 lakh to around Rs 2.50 lakh depending on various factors such as location, etc.
Standard Prices 3kW solar panel prices in India:
| Model | 3kW Solar Panel Price |
| 3kW On-grid solar panel system | ₹. 2,10,000 – 2,15,000 Onwards* |
| 3kW Off-grid solar panel system | ₹. 2,40,000 – 2,50,000 |
| 3kW Hybrid solar panel system | ₹. 4,50,000 |
Government Support for Solar Energy in India: A 2024 Update
The Indian government has many ways to encourage the use of solar energy, including for households. They can get subsidies for systems between 1kW and 10kW under schemes like the Grid-Connected Rooftop Solar Power Plant and Rooftop Solar Program Phase II. For example, the Ministry of New and Renewable Energy (MNRE) will give you 40% if your system is up to 3kW or 20% if its capacity is between 3kw-10KW; this reduces the prices a lot as usually these types also require net metering installations where the money gets credited to your account within a month or two.
Apart from this, there are other initiatives taken by the leaders of this country to reduce the prices even further such as the Production-Linked Incentive (PLI) scheme. Which was recently extended to the beginning of 2021. This gives financial rewards for producing high-efficiency solar PV modules within India itself.
They have also reduced the Goods and Services Tax (GST) rates on panels to five percent, which directly reduces the cost associated with installation as well as provides accelerated depreciation benefits, allowing investors to get better tax breaks on their investment sooner, plus most states offer net metering policies, allowing owners to not only offset some of the electricity bills but also earn credits by exporting excess energy to the grid, making residential solar power more affordable across the country.
Latest Price Data for 3kW Solar Panel System
| Rooftop Solar System Capacity Subsidy Applicable (₹) | |
| 1 kW | 30,000/ – |
| 2 kW | 60,000/ |
| 3 kW and Above | 78,000* |
| Note: *The subsidy amount is fixed for rooftop solar systems of 3 kW and above capacity. | |
The cost of a 3kW solar power plant depends on the type of system and applicable subsidy. In the case of on-grid 3kW solar panel systems, its price starts from ₹. 2,13,300 with a subsidy of ₹. 78,000 which can reduce its final price to ₹. 1,35,300, while off-grid ones which cost ₹. 2,40,000 have no eligible subsidy on them, so they remain unchanged in terms of cost; however when we talk about hybridity, where these types range from ₹. 4 lakhs (without any discount) to ₹. 4 lakh fifty thousand – here too an option has been given by the government, i.e. Hybrid systems also get subsidies, which reduces their rates even further to only ₹. 3 lakh seventy two thousand!
Function of 3kW Solar Panel
Solar panels produce electricity using a technology known as solar photovoltaics. The module is exposed to the sun’s rays which are then absorbed and thus a direct current is generated. This type of energy can be converted into alternating current (AC) which is used in homes using a solar inverter. When photons are absorbed by silicon-based cells, electrons start moving around them; this flow is collected as electric current and then passed through the inverter where it turns from DC to AC. A 3 kilowatt panel can generate 3,000 watts in good weather conditions.
Solar power systems with 3 kilowatt capacity typically consist of eight to ten panels, capable of powering small homes or offices based on their consumption rate. These systems consist of not only PV modules but also an inverter, mounting structures and wiring among other components needed for installation purposes.
Installation Cost of 3kW Solar Panel
In terms of installing a 3kW solar panel system, the cost of installation is significant. However, a significant part of this expense comes from the need for a mounting structure on the roofs where these panels should be located. Generally, what happens during installation involves using module mounting structures (MMS) that are strong enough to hold them in place, so large-scale installations take a lot of time to deal with. But for smaller units like three kW systems, installing them is faster and easier.
Most solar vendors offer free installation services as part of their package prices for photovoltaic modules. Fitting these devices properly will enable achieving maximum power generation efficiency rates considering factors such as size orientation shading and sun exposure. Thus the total expense incurred to get 3000 watts of solar power should include both the cost of purchasing the panel and its professional assembly fees as expertise can greatly customize this configuration.
Different Types of a 3kW Home Solar System
To maximize solar PV technology for your home or business, it is important to choose the right type of solar system. Also, your preference determines how much you end up paying for a 3kW solar system. In fact, there are three primary types of residential solar power systems:
- Grid-connected
- Stand-alone, off-grid
- Hybrid
3kW On-grid solar System Features
The 3 kW on-grid solar system is a type of renewable energy system that connects solar panels to the local power grid. The net metering regulation allows homeowners to earn credits for excess electricity produced and supplied to the grid, while they can also draw power from it when their production is low. The net meter records the current inflow and outflow, with customers being billed by their DISCOM only for the difference.
It usually costs around ₹. 2,13,300 – ₹. 4,50,000, depending on various components such as battery backup or mounting structure as well as the solar panels and inverter that are responsible for converting sunlight into usable AC electric current. The system can be subsidized through national programs, enhancing its flexibility in earning additional credits and enabling the use of conventional sources when needed.
3kW Off-Grid Solar System Features
Off-grid solar power systems work independently of the electric grid, which is perfect for remote areas without access to a power supply. The battery bank is a vital part of this system as it stores any excess solar energy produced during the day so that it can be used at night or on cloudy days when there is not enough sunlight available. In India, a 3kW off-grid solar power system costs around ₹. 2,40,000 including installation.
Unlike grid-tied systems, an off-grid solar panel installation produces and stores its own electrical energy. This type of setup requires more efficiency and additional parts like photovoltaic batteries to ensure continuous power supply and meet daily household consumption requirements. However, such a system is more expensive due to the higher demand in terms of components required for its functioning; however, it provides uninterrupted power supply in areas where people do not have access to any source other than the government grid but still want some power backup in their homes or offices.
3kW Hybrid Solar System Features
The hybrid solar system is a device that combines the benefits of both off-grid and on-grid systems, ensuring a robust power supply backed by a powerful battery backup and grid connection. With this arrangement, you can use net metering which involves selling excess energy to the grid and buying it when needed. These batteries store excess power generated during peak sun hours to provide power during darkness or during blackout periods from dusk to dawn.
In India, a 3kW hybrid solar system costs around ₹. 4,50,000 including installation which is expensive as it has more parts than other types. This design combines features of both off-grid and on-grid systems to guarantee uninterrupted power supply throughout the year. If you need an uninterrupted power source for every season then this is perfect for you.
Benefits of a 3kW Solar Panel System
- Energy generated: A 3kW solar system generates an average of 12 units per day, 360 units monthly, and 4,320 units annually.
- Space required: A 3kW photovoltaic panel system requires at least 21 square meters of roof area.
- Warranty: Solar modules carry a warranty against degradation in efficiency over 25 years; other parts are under warranty as products for five to ten years, depending on their brand name.
- Eligibility for subsidy: Only net metering-regulated grid-connected systems can receive government subsidies; off-grid installations are not eligible for any kind of subsidy.
- Electricity bill savings: Installing rated capacity panels on your rooftop can lower your monthly electricity bills and provide an opportunity to earn credits by selling excess electricity to the utility company’s network.
- Income Generation: Selling surplus electricity generated but not consumed within the establishment can generate additional income for homeowners under a net metering arrangement with the electricity distribution firm.
- Future monetary benefits: Six year time frame after investment from initial installation cost which will continue to produce units for twenty five thirty years, this implies financial benefits in the long term even if we have recovered our capital expenditure on short term basis, covering only the installation cost, thereby earning return on investment throughout the lifetime, as stipulated under the signed contract between two parties i.e. customer and supplier, where the supplier provides the equipment while the customer agrees to pay the agreed amount every month until all dues are paid and managed, customers need to sign the agreement specifying the number of months and complete the payment process
- Environmental impact: Clean renewable energy source that reduces greenhouse gases emissions and dependence on fossil fuels
- Financing flexibility: People can use solar loans, leases or PPAs to finance their PV installation, making it affordable
- Energy independence: This means that solar power is completely renewable without any kind of connectivity with the regional utility grid. Being able to operate our own electrical appliances all year round without any power, which can only serve us for about 300 days per year as this is the time when sunlight falls directly on the surface of these appliances causing them to generate electricity.
- Power backup: Solar batteries can be incorporated to provide an uninterrupted supply of power during blackouts or whenever sunlight is not available.
- Extended life span efficiency: Despite a 25-year warranty period, these devices continue to produce electric currents, making them useful for low-wattage output situations, saving money on power consumption.
- Cost effectiveness: The affordable price, including subsidies, ensures that most households will recover their investment within six to eight years after installation.
Frequently Asked Questions!
Q1. How much can I save by using my own electricity generated from solar energy with the help of subsidy?
If you are thinking of a 3kW panel solar system for self-consumption, then the subsidy will reduce the cost by ₹. 54,000 in India (₹. 18,000 per kW). The calculation of CFA varies according to the type and capacity of the solar system installed in your home.
Q2. What is the size of a 3kW solar panel system?
The 3kW solar panel system requires 7-10 solar panels. A 3 kW solar panel, which occupies 1 meter x 1.7 meters, can cover 12 to 17 square meters. This is also based on the wattage of the panel.
Q3. How many air conditioners can a 3kW solar panel system power?
If you require solar power for your basic electricity needs, you may not have enough power to meet your air conditioning needs. There are situations where you can run a 1-ton compact AC for several hours.
Q4. How much space is needed for a 3kW solar panel system?
To install a 3kW rooftop solar system, you need a 300 square feet area free of any shade.
Get in touch with Azadpur
Ready to make the switch to Solar Panels? Contact us for a consultation to find out how we can help you in selecting the best solar panels for homes in india and utilize the power of the sun.
- Phone: +91-8130025257
- Email: info@solarsense.in
- Solar Sense
- 13 Main GT Road, Azadpur, Delhi-110033
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