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For many Indian households, a 3 kW rooftop solar system is often the perfect fit. However, installing a system of this capacity largely depends on two key factors: your household’s energy consumption and the amount of shadow-free rooftop space available.
As energy consumption varies widely from one household to another, choosing the right solar rooftop system for your home basis these factors can be a game-changer.
A typical 3 kW system can generate around 4200 units of electricity annually, usually enough to power essential appliances such as 4-5 ceiling fans, 3-4 LED bulbs, 1-2 tube lights, a refrigerator, a television, a washing machine, kitchen appliances like a microwave or mixer, laptops and charging devices. A system of this capacity is ideally suited for a 2-3 BHK home.
Thus, a 3 kW rooftop system is an excellent choice for families seeking to reduce their grid dependency and lower their electricity bills.
Read further about the price for a 3 kW solar system in India, including installation and subsidy, ways to fund your 3 kW on-grid solar system and how to choose the right rooftop solar system for your home.
3 kW Solar Panel Price in 2024 with Installation
The table below includes the price of rooftop solar panels with installation in major states.
| State | Price Range for 3 kW Solar (in Rupees) |
| Maharashtra | 2,15,000 – 2,76,000 |
| Madhya Pradesh | 2,22,000 – 2,89,000 |
| Uttar Pradesh | 2,19,000 – 2,84,000 |
| Rajasthan | 2,19,000 – 2,80,000 |
| Gujarat | 1,98,000 – 2,71,000 |
| Karnataka | 2,32,000 – 2,96,000 |
| Telangana | 2,10,000 – 2,70,000 |
| Delhi and NCR | 2,18,000 – 2,89,000 |
| Tamil Nadu | 2,37,000 – 2,96,000 |
3 kW Solar Panel Price with Subsidy in 2024
| State | Price Range for 3 kW Solar (in Rupees) |
| Maharashtra | 1,37,000 – 1,98,000 |
| Madhya Pradesh | 1,44,000 – 2,11,000 |
| Uttar Pradesh | 1,41,000 – 2,06,000 |
| Rajasthan | 1,41,000 – 2,02,000 |
| Gujarat | 1,20,000 – 1,93,000 |
| Karnataka | 1,54,000 – 2,18,000 |
| Telangana | 1,32,000 – 1,92,000 |
| Delhi and NCR | 1,40,000 – 2,11,000 |
| Tamil Nadu | 1,59,000 – 2,18,000 |
Tips to choose the right 3 kW solar system for your home
1. Choose a vendor who surveys your roof properly
Many local vendors skip surveying your roof for shadow-free areas or obstructions before installing solar panels. The result? Overlapping solar panels, and structures that look like assembling Lego bricks.
Make sure you choose a company that takes the time to perform a 365-day shadow analysis using technology to determine any obstructions that may cause shadows. They should also assess the available open space on your roof and accurately analyse your energy consumption.
This attention to detail ensures optimal performance and long-term benefits such as mitigating the risk of hotspots, low generation, fire hazards, and much more.
2. Choose a vendor who provides engineered solar
Many vendors install panels without considering your roof’s unique geography and structural nuances. Choose a vendor that uses engineering precision to design a system tailored to your home’s needs, ensuring safety and efficiency.
Don’t let your solar system become just another poorly installed setup.
3. Choose a vendor who provides guaranteed savings for your solar rooftop
A study by CEEW and PV Diagnostics revealed that over 50% of solar systems underperform within the first year. Protect your investment by choosing a vendor that offers guaranteed savings. If your system doesn’t deliver the promised output, they should compensate for the shortfall.
4. Choose a vendor who provides the safest solar structure
Cyclones and extreme weather events are increasingly common in India. Choose a vendor that offers certified, cyclone-proof solar structures that withstand high wind speeds. Your system should be built to last, no matter the weather.
5. Choose a vendor who gives you after-sales maintenance
Like your car or AC, your solar system requires regular maintenance to operate at its best. Don’t overlook the importance of ongoing care. Choose a vendor offering comprehensive after-sales maintenance to keep your system running smoothly for years to come.
6. Choose a vendor who offers verified financing options
For some homeowners, the cost of installing solar can be heavy on the pockets. However, with the right solar vendor, they will offer some Verified Financing Options that have been vetted and approved by reliable financial institutions or third-party verifiers. These options are designed to help you afford the upfront costs of installing a solar energy system.
Let’s explore financing options further.
3 kW solar system with Solar Loan/EMI (0 investment)
Funding your 3 kW rooftop solar system is now easy with financing options available through banks and other financial institutions (NBFCs). If you have a good relationship with your bank, you can request a loan to fund your solar installation.
However, if you choose SolarSquare’s rooftop solar, we offer a zero-investment plan where your solar system costs essentially Rs. 0 and the loan approval takes less than 24 hours! Here’s how it works.
- Zero Initial Investment: The subsidy amount you will receive compensates for the down payment made before installing your solar system. This way, you have no out-of-pocket costs.
- Easy EMIs: Your monthly EMIs are designed to match your electricity bill savings. Therefore, if the solar system generates more power and exceeds the savings beyond the EMI amount, you’re essentially paying nothing extra.
On the contrary, you will earn from the DISCOM for the excess units generated through the Direct Benefit Transfer scheme which applies to all solar systems installed under the PM Surya Ghar Muft Bijli Yojana scheme. Per the DBT scheme, the DISCOM will pay you Rs 2 per unit of excess electricity generated.
- Flexible Payment Terms: We offer flexible EMI options from 6 to 60 months, allowing you to pick a plan that fits your budget.
Here are a few other reasons why SolarSquare is the best choice for your 3 kW rooftop solar system.
Features and benefits of SolarSquare’s 3.24 kW solar system
Contrary to the commonly available 3 kW variant, SolarSquare offers a 3.24 kW solar system as our Monoperc half-cut bifacial modules have a 545-watt capacity, which results in a higher capacity per panel.
If we were to provide a 3 kW system, it would require 5.5 panels, which is impractical because half of the panels cannot be installed. Therefore, we offer a 3.24 kW system with 6 panels, ensuring an efficient and feasible installation.
- Swift Installation: Once our factory-precision components arrive at your home, your SolarSquare system is installed in less than a day—just 8 hours, and you’re all set!
- Comprehensive Care: SolarSquare includes 45 PowerBoost maintenance visits in 5 years with every solar installation which involves module deep cleaning and preventive checks. We ensure your system is always running at its best.
- Leakage-Free Guarantee: Our installation methods are strong. Thanks to our HILTI AirTight chemical anchoring, your roof’s integrity is protected—no leaks, no worries. However, if the leakage appears after installation despite taking the necessary steps, we offer a ₹1 lakh leakage-free guarantee.
- Savings Assured: We’re the first and only solar company in India to offer a savings guarantee with a money-back promise. If our solar system doesn’t generate the committed units, we’ll compensate you for the deficit at Rs. 8 per unit as of August 2024!
- Storm-Proof Security: Our systems are equipped with IIT-Bombay certified cyclone-proof structures, WindPro Mount™, that can withstand wind speeds up to 180 km/h. Your system is built to weather any storm.
- Premium Materials: Crafted with virgin steel from industry-leading brands, our systems are designed to resist rust and degradation, ensuring they run efficiently for at least 25 years.
- Direct Service, No Middlemen: From booking to maintenance, every step is handled by our in-house team in blue. We don’t rely on third-party vendors, ensuring you get the best service, from start to finish.
Book a free consultation for a 3 kW solar system with SolarSquare today!
FAQs
Q1. How many solar panels are required for a 3 kW system?
Ans. To generate 3 kW of power using SolarSquare’s bifacial, mono-PERC half-cut solar panels, each with a 545-watt peak capacity, you would need approximately 6 panels. The calculation is straightforward:
3,000 Watts / 545 Watts per panel = 5.505 panels, which rounds up to 6 panels.
If you opt for older technology panels, more modules may be required to reach the same capacity.
Q2. How much electricity does a 3 kW solar system generate?
Ans. A 3 kW solar system typically generates around 4,200 units (kWh) of electricity annually, depending on factors like location, weather conditions, and panel efficiency.
Q3. How many appliances can be powered by a 3 kW rooftop solar system?
Ans. A 3 kW solar system can power various household appliances per your usage patterns. On average, it can support:
- 4-5 ceiling fans
- 3-4 LED lights
- 1-2 tube lights
- A refrigerator
- A television
- Washing machine
- Kitchen appliances like a microwave or mixer
- Laptops and charging devices
This setup is generally sufficient for the energy needs of a medium-sized Indian household.
Q4. How many ACs can run on a 3 kW solar system?
Ans. A 3 kW solar system can power one 1.5-ton air conditioner (AC) under optimal sunlight conditions, along with a few other small appliances. However, running multiple ACs simultaneously might exceed the system’s capacity, especially during non-peak sunlight hours.
Q5. Can I run a 1.5-ton AC on solar without batteries?
Ans. You can run a 1.5-ton AC on a 3 kW solar system without batteries, provided there is adequate sunlight. However, at night, the AC will need to draw power from the grid, as the solar system won’t generate electricity without sunlight.
Q6. Is 3 kW enough to run a house?
Ans. Whether a 3 kW solar system is sufficient for your home depends on your energy consumption patterns. For an average-sized Indian household, a 3 kW system can generally meet daily energy needs, including lighting, fans, a refrigerator, and other essential appliances.
You might need a larger system if your home has higher energy demands, such as multiple ACs or heavy-duty appliances.
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