The maximum solar subsidy for homes in Punjab under the PM Surya Ghar Muft Bijli Yojana is capped at ₹ 78,000 for systems equal to or above 3 kWp.

A solar system subsidy in Punjab can significantly lower the cost of solar installation. Let’s understand this with an example:

• The 5 kW solar system price in Punjab without subsidy is between ~₹ 3.50 lakh* to ~₹ 4 lakh*.
• The same 5 kW solar system price in Punjab with subsidy falls in the range of ~₹ 2.72 lakh* to ~₹ 3.22 lakh*.

*Please note that prices are subject to change: The above-mentioned solar panel price in Punjab is indicative and based on standard market research. The final cost of installing an on-grid rooftop solar system in Punjab depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc.

Read on to explore the total solar subsidy in Punjab for different capacity solar systems, the cost of rooftop solar in Punjab with subsidy, how to apply for the PM Surya Ghar Muft Bijli Yojana solar panel subsidy in Punjab in 2026, and the benefits of installing an on-grid rooftop solar panel system for homes.

TL;DR

Here are the main topics covered in detail in this guide on subsidy on solar panels in Punjab:

*Please note: The above-mentioned solar panel price in Punjab with subsidy is indicative and based on standard market research. The final cost of installing an on-grid rooftop solar system in Punjab depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Prices are subject to change.

Is a Solar Subsidy Available in Punjab for Rooftop Solar Systems?

The PM Surya Ghar solar power subsidy in Punjab is the only government financing on solar panels available for homeowners in the state. You must know that there’s no specific state-level subsidy for solar panels in Punjab for homes.

The maximum solar subsidy in Punjab under the PM Surya Ghar Muft Bijli Yojana is capped at ₹ 78,000 for systems equal to or above 3 kWp.

PM Surya Ghar Solar Subsidy in Punjab in 2026

Here’s a snapshot of the total PM Surya Ghar solar power plant subsidy in Punjab that homeowners can receive in 2026 for installing grid-connected solar systems:

What’s the Solar Panel Price in Punjab with Subsidy in 2026?

The solar panel price in Punjab with subsidy in 2026 is extremely affordable, as the maximum financial assistance offered by the central government is a whopping ₹ 78,000 for systems equal to or above 3 kWp.

Here’s a side-by-side comparison of the cost of Punjab solar systems in 2026 with and without a subsidy:

*Please note prices are subject to change. The solar panel price in Punjab listed in the section above is indicative and based on standard market research. The final cost of installing an on-grid rooftop solar system in Punjab depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Prices are subject to change.

What Types of Solar Subsidies are Offered in Punjab?

The two primary types of solar subsidy schemes in Punjab are the PM Surya Ghar Muft Bijli Yojana, offered to homeowners installing rooftop solar systems, and the PM KUSUM Yojana in Punjab, offered to farmers for using solar renewable energy for agricultural purposes.

Let’s understand a bit about both these subsidy schemes in detail:

• Solar Subsidy for Homes under PM Surya Ghar Muft Bijli Yojana: This is the government financing for solar panels offered by the central government of India. It’s applicable to residential solar installations nationwide and capped at ₹ 78,000 for PV systems of 3 kW or more. Homeowners can benefit from this solar subsidy in Punjab when they install made-in-India solar panels and an on-grid solar system.
• PM KUSUM Yojana in Punjab for Farmers: This government-backed scheme is designed to help farmers use solar energy for irrigation and power generation. It supports the installation of solar pumps, tubewells, and small grid-connected solar plants. That’s why it’s also known as the solar tubewell subsidy in Punjab and the solar pump subsidy in Punjab. Punjab Energy Development Authority implements it and offers subsidies of 30-50% of the total system cost.

How to Apply for a Solar System Subsidy in Punjab? Step-by-Step Breakdown

You can follow these simple steps to avail the PM Surya Ghar solar subsidy in Punjab in 2026:

• Step 1 – Open the government portal: Navigate to the official PM Surya Ghar Muft Bijli Yojana National portal, then tap the rooftop solar application link to get started.
• Step 2 – Register your account: Select your state, district, and DISCOM from the dropdown lists, then sign up using the Customer Account number that appears on your power bill.
• Step 3 – Fill out the form: Provide basic information such as your name and age, and enter the details from your latest electricity bill.
• Step 4 – Enter your bank details: Submit the required documents, type in your bank account information, and attach a cancelled cheque.
• Step 5 – Select an approved installer: Go through the portal’s list of empanelled vendors authorized by your DISCOM and pick the one you prefer.
• Step 6 – Sign and upload the agreement: Review the installer agreement thoroughly, sign it, and upload the signed document back to the portal.
• Step 7 – Get the net meter fitted: Once the rooftop system is up and running, the DISCOM installs a bi-directional net meter or smart meter that measures the units flowing in and out of your home.
• Step 8 – Collect the commissioning certificate: Following an inspection, PSPCL (Punjab DISCOM) hands over the Solar Commissioning Certificate to you.
• Step 9 – Apply for the PM Surya Ghar solar subsidy in Punjab: Log back into the portal and upload the commissioning certificate to begin your subsidy claim.
• Step 10 – Subsidy hits your account: Once everything is verified and approved, the subsidy amount is credited straight to your registered bank account.

Who is Eligible for the PM Surya Ghar Solar Subsidy in Punjab?

To be eligible to receive the PM Surya Ghar subsidy on a solar plant in Punjab, you must make sure you fulfill the following conditions:

• You must install ALMM-approved, made-in-India solar panels.
• You must be an Indian citizen with an active electricity connection in your name with your DISCOM.
• You should be the legal owner of the roof where the PV system will be installed.
• You have never received a subsidy on systems up to 3 kW before.

Documents Required to Apply for On-Grid Solar System Subsidy in Punjab

You only need basic net metering documents (details of your solar system), a copy of your electricity bill, and the net meter agreement between you and your DISCOM to apply for the PM Surya Ghar solar panel subsidy in Punjab.

Benefits of Installing On-Grid Rooftop Solar in Punjab

Installing a rooftop on-grid solar system in Punjab makes homeowners energy independent as they no longer rely on grid electricity to power their homes. Here’s why this is beneficial:

• It lowers electricity bills by 90% or more, saving tens of lakhs of rupees you would have otherwise spent on paying hefty power bills. You can use Shree Rudra Power Systems’s free solar savings calculator to find how much money rooftop solar can save in your city.
• It makes homeowners eligible for the PM Surya Ghar solar subsidy in Punjab, enabling solar installations at lower rates.
• It tackles air pollution right from your roof, as even a 1 kW solar system can offset ~26,000 kg of carbon emissions over 25 years of its operational life, which is equal to the carbon emissions that 39 trees offset in the same time duration.

What’s the Solar Panel Price and Subsidy by the Govt of India in 2026?

Here’s a snapshot of the cost of solar installation in India in 2026 with subsidy:

*Please note that prices are subject to change without prior notice: The above-mentioned solar panel price for on-grid solar systems with subsidy is indicative as of 06 October 2026 for Shree Rudra Power Systems Blue 6ft variant. The final cost of solar panels for homes in India depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. .

Conclusion

The PM Surya Ghar Muft Bijli Yojana Solar subsidy in Punjab has made solar installation cheaper and extremely affordable for homeowners. However, this financial help will not be available forever. Once the government solarizes 1 crore homes under this scheme, the PM Surya Ghar solar subsidy will no longer be provided.

Now is the best time to go solar in Punjab, when you can do so at subsidized rates.

Although Shree Rudra Power Systems is currently not operational in Punjab, we will make an official announcement soon upon launching our services in your state. In the meantime, if you’re from MP, Maharashtra, UP, Gujarat, Karnataka, Delhi, or Tamil Nadu, and you’re looking to go solar, book a free solar consultation call with Shree Rudra Power Systems today.

FAQs

How many ACs can run on a 3 kW solar system in Punjab?

You can run 1 1.5-ton AC on a 3 kW solar system in Punjab that generates 4,200 to 4,350 units of electricity annually.

Is the solar tubewell subsidy in Punjab the same as the PM KUSUM Yojana in Punjab?

Yes, the solar tubewell subsidy in Punjab is part of the PM KUSUM Yojana. It is the state-level implementation of the scheme, which provides subsidies to farmers for installing solar-powered tubewells and pumps under the PM KUSUM guidelines.

Is there any state-level subsidy on solar panels in Punjab?

No, there is no state-specific subsidy on solar panels in Punjab for homeowners installing a rooftop solar system. The standard is the PM Surya Ghar solar subsidy that’s offered by the central government, which is also applicable in Punjab.

What is the government free solar panel scheme in Punjab?

It’s nothing but another name for the PM Surya Ghar Muft Bijli Yojana that offers homeowners a maximum financial assistance of ₹ 78,000 for systems equal to or above 3 kW.

The post Solar Subsidy in Punjab in 2026: How to Apply and Cost Included appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

The good news is–Yes. Solar panels do generate electricity even on overcast days. 

Although they work best in direct sunlight, solar panels can still produce electricity when the sky is overcast. Solar panels can capture and use the diffuse light that passes through the clouds.

Modern solar panels are designed to function effectively in lower-light situations. They use photovoltaic (PV) cells to convert sunlight into usable electricity. Thus, even on cloudy days, the system can still generate enough power to keep your home running. 

To understand how this works, let’s examine further how solar panels operate and their ability to deliver energy even when the sun isn’t at its strongest.

How does a solar panel work?

Solar panels produce electricity using the photovoltaic (PV) effect where each panel contains photovoltaic cells made of semiconductor materials, such as silicon.

When the sun’s rays hit the surface of a solar panel, the semiconductor material within absorbs the energy from the photons. This process causes electrons to be knocked loose from their atoms, creating an electric charge. 

The output generated is Direct Current (DC) electricity, but our homes and businesses operate on Alternating Current (AC). This is where an inverter transforms DC into AC to power appliances, lighting, and various devices. 

Now that we’ve covered how sunlight plays an important role in electricity generation, let’s see how solar panels work on cloudy days.

How do solar panels work on cloudy days?

Solar panels harness direct sunlight on clear days, which hits the Earth without interference. On cloudy days, the panels harness diffuse sunlight which can still generate electricity by scattering in different directions and exciting electrons in the solar cells. Although the power output may be reduced, it is not zero. They can still generate 25-50% of their typical output on cloudy days. 

With advanced solar panel technologies like monocrystalline panels, you can count on consistent performance even in low-light conditions. 

The impact of cloudy weather on solar panel efficiency

While solar panels can generate electricity even on overcast days, several elements influence how much electricity they’ll produce. 

Key factors affecting solar efficiency on cloudy days

1. Thickness/Type of cloud cover  

Thin, high-altitude clouds allow more diffuse light to reach the panels, while thick, low-lying storm clouds can block significant sunlight. This means that efficiency may only decrease by 10% on a lightly overcast day, but during a heavy storm, it could drop by up to 50%.

2. Time of year  

Seasonal variation affects solar system performance as well. During summer, when daylight hours are longer, your solar system has more time to generate electricity, even if there are some cloudy hours. 

However, winter days are shorter and have fewer hours of sunlight overall, so cloudy weather has a stronger impact. However, even in winter, solar can still be productive in areas with bright and clear days.

3. Geographic location  

Southern states like Tamil Nadu, Kerala, and Karnataka, near the equator, enjoy abundant sunlight throughout the year—even when the skies are grey. While areas like Himachal Pradesh and Jammu & Kashmir have more seasonal variation, with winter bringing heavier cloud cover and shorter daylight hours, solar panels are still a viable option across all regions in India.

4. Local weather patterns  

Certain regions may experience more overcast days than others, such as coastal areas or locations with frequent storms. This can affect the efficiency of electricity production through solar. However, places known for regular sunshine are less likely to see a significant decrease in power output, even during periods of cloudy weather.

Is it wise to choose solar energy in cloudy areas?  

The good news is that, with the right system design, even cloudy areas can enjoy significant benefits from solar energy. Advanced technology and tailored systems can maximise production, regardless of the weather conditions. 

In India, solar panels are most effective during the spring and summer due to longer daylight hours and direct sunlight. However, this does not mean they are ineffective during monsoon season or in regions with cloudier weather. You can still generate substantial electricity with the right strategies, even during cloudy or rainy days.

To maximise solar generation in areas with more cloud cover, here are a few important considerations:

1. Strategic panel orientation and tilt

In addition to the traditional south-facing installation, consider placing additional panels on north-facing roofs to capture more diffuse light scattered by clouds. You can also adjust the tilt of your panels to optimise exposure to diffuse sunlight and improve their efficiency.

2. High-efficiency panels

High-efficiency panels ensure that even low-light conditions produce as much energy as possible, thanks to advanced materials and design that allow panels to convert more light into electricity.

3. Smart inverter technology

Modern inverters help optimise energy output by converting even small amounts of sunlight into usable electricity. They maximise power generation under variable sunlight conditions, making them perfect for cloudy or overcast regions.

Partnering with experienced solar providers like Shree Rudra Power Systems ensures an optimised solar rooftop for your location. Our experts consider factors like regional sunlight patterns, the architecture of your home, and your energy consumption to create a personalised and efficient system.

Common myths about solar panels on cloudy days

Myth 1: Solar panels don’t work at all on cloudy days

Fact: While solar panels may not be as efficient in overcast weather, they can still generate electricity from diffuse sunlight. Even when the sun isn’t directly shining, clouds scatter sunlight across the sky, allowing solar cells to capture that scattered light. Some countries with frequent cloudy weather, like Germany and the UK, have successful solar industries, proving that solar power works effectively even in less-than-ideal conditions. 

Myth 2: Solar only works well in the sunniest locations

Fact: Solar power may be more efficient in sunny locations, but modern technology has enabled solar panels to perform well in areas with moderate sunlight. In fact, most places receive enough sunlight throughout the year to make solar energy a cost-effective solution. For instance, regions like Maharashtra in India, which have sunny summers and rainy monsoons, still experience excellent returns from solar power.

Fun Fact: The best place in India where rooftop solar performs better is Leh, Ladakh. It sees over 320 sunny days a year and its low temperatures make it the perfect place for solar electricity generation.

Switch to Guaranteed Savings and Generation Solar with Shree Rudra Power Systems  

Shree Rudra Power Systems is India’s #1 home solar company, with over 4,500 customer reviews and an outstanding Google rating of 4.8+. Shree Rudra Power Systems guarantees maximum efficiency and power generation, even on cloudy days. 

Whether it is cloudy skies or high winds, our advanced systems, including the WindPro Mount™ for cyclone resistance and GoodZero’s 5-year savings guarantee, are engineered to perform in all weather conditions.

Start your solar journey today with a custom-designed system tailored to your home and energy needs. Book your free consultation now and take the first step towards guaranteed electricity generation and long-term savings!

FAQs

Q1. How much electricity do solar panels produce on overcast days?

Ans. Solar panels can produce between 10% and 50% of their typical output on overcast days. This variation depends on factors such as the thickness and type of cloud cover and your geographic location. High-efficiency panels are designed to generate more electricity even in cloudy conditions, thus optimising your energy production.

Q2. How well do solar panels work on cloudy days?

Ans. Solar panels are generally 50-80% less efficient on cloudy days than on sunny days. Without sunlight, panels produce no electricity at night. According to NREL data, efficiency can drop to around 10-25% of peak capacity on overcast days. In contrast, you can expect efficiency levels to range from 50-80% on partly cloudy days.

Q3. How does weather impact solar panel efficiency?

Ans. Weather plays a significant role in determining how much sunlight reaches your panels. Factors such as cloud cover, rain, snow, and pollution can all affect output. While cold weather may slightly reduce solar cell efficiency, it can also improve performance since solar panels work better in cooler conditions. 

Q4. How can I maximise solar production on cloudy days?

Ans. To optimise solar production in cloudy conditions, ensure your system is designed with proper panel tilt, orientation, and high-efficiency panels to perform well in diffuse light conditions. Additionally, keeping your panels clean and clear of obstructions, such as dirt or debris, will improve efficiency. Regular inspections and maintenance ensure that your system operates at its best, even on overcast days.

The post Do Solar Panels Work on Cloudy Days? appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

A recent case study is the cyclone Biparjoy in June 2023, and the minor storm that wreaked havoc in Mumbai in May 2024. The aftermath emphasised the importance of sturdy solar panel structures. Mounting structures are 7-10% of the total project cost, contributing to maximum energy output and lower maintenance expenses. 

In regions where wind speeds are generally higher and cyclones are more frequent, it is even more important to have securely designed mounts to prevent damage or dislodging.

Traditional mounting structures, particularly those made by local manufacturers, fail to withstand strong winds, resulting in loss of investment, increased expenses in repair/replacement, decreased reliability and much more.

Furthermore, since wind speeds increase with building height, taller installations are more susceptible to potential damage from strong winds. To prevent this issue, high-quality mounts are necessary to secure solar panels on rooftops and optimise their angle for more sunlight exposure while protecting them from environmental factors.

Considering these factors, Shree Rudra Power Systems’s Intelligent WindPro Mount^TM 2.0 is designed to withstand high winds and adverse weather conditions, ensuring the durability and performance of solar panel systems. 

Here’s everything you need to know about India’s most surakshit and storm-proof mounting structure.

Introducing Intelligent WindPro Mount™ 2.0 by Shree Rudra Power Systems

The Intelligent WindPro Mount^TM 2.0 by Shree Rudra Power Systems is an advanced mounting solution that guarantees the strength and stability necessary to stormproof your solar panel installations, providing reliable and long-lasting results even in the harshest weather conditions. 

Key Features of Intelligent WindPro Mount^™ 2.0 Solar Panel Structure Design

Tapered C Channels

The structural design includes solid steel tapered C-channels which are narrower at the top and wider at the bottom, enhancing stability and durability. This design is inspired by iconic structures like the Burj Khalifa, Qutub Minar, and the Eiffel Tower. 

Additionally, we source our steel from reputable brands such as JSW, Tata Steel, and ESSAR. Our designs follow stringent standards, including:

1. Wind load calculations: IS875
2. Steel structure components design: IS811
3. Steel material properties: IS2062

We use an 80-micron hot-dip galvanising zinc for the outer column coating and a 150 gsm aluminium-zinc alloy coating from JSW Galvalume for rafters and purlins.

With this design, solar panels stay firmly attached to the rooftop reducing the risk of damage or dislodging and ensuring overall stability.

Japanese Poka Yoke Fault-Free Installation

Our installation process incorporates Japanese Poka-Yoke principles to ensure error-free assembly. Unlike other providers who cut and weld on-site which can lead to inaccuracies and early rusting, we pre-manufacture components in factories. With this foolproof system, you can trust that your mounting process will guarantee optimal performance for your device.

Our precision-manufactured components are assembled on-site and tightened to the correct torque.

HDGI 80 Micron Rust-Free Coating

Our mounting structure boasts superior rust resistance for long-term performance. A high-density galvanised iron (HDGI) coating of 80 microns thick can withstand corrosion and prevent rust for years. Factory manufacturing ensures precision and quality, unlike on-site welding, which can compromise the integrity and durability of the system.

100% Leak-free Structure

Our installation professionals will secure the structure to the RCC slab using HILTI’s airtight seal, specifically crafted using German Technology, and the global standard of ensuring no water leakage and maintaining structural integrity. This process effectively seals any gaps or cracks caused by drilling, giving your solar panels maximum protection against roof leaks and other environmental factors.

Virgin Steel from Top Steel Manufacturers

The Intelligent WindPro Mount^TM 2.0 boasts exceptional quality and reliability thanks to its construction with virgin steel from top-tier manufacturers. This mounting system offers peace of mind and confidence in its performance, making it a reliable choice for any project.

25 Years of Design Life

The Intelligent WindPro Mount^TM 2.0 offers long-term assurance with a design life of 25 years. This guarantees durability and performance over an extended period, resulting in fewer replacements and maintenance needs. As a result, it can lead to significant cost savings in the long run.

8 Hours Installation

The Intelligent WindPro Mount^TM 2.0 offers a quick and efficient setup process, taking only 8 hours to install. This makes it ideal for residential and commercial solar installations, minimising downtime and allowing for faster project completion.

Tips for Choosing the Right Solar Panel Installation

When selecting a solar panel setup for your home, evaluate various factors cautiously. Below is a list of important factors to assist you in making a well-informed choice:

Assess Your Energy Needs

Evaluate your household’s electricity bills from the past year to understand your energy usage and determine the size and capacity of the solar panel system you’ll need. Additionally, consider any potential increases in energy usage, such as buying an electric car or adding new appliances to your home. This will ensure that your solar panel system can meet your current and future energy needs.

Evaluate Your Roof Condition and Orientation

Is your roof in good condition? Is it shadow-free and can it support the weight of solar panels? It’s a good idea to address any existing damage before installation.

Check Local Subsidies and Incentives

The government offers various forms of financial support, such as tax credits, cash rebates, and feed-in tariffs for homeowners who generate excess electricity with their solar panels and sell it back to the grid. They also provide grants and low-interest loans to help install renewable energy systems. Explore potential government incentives, rebates, and tax breaks that could lower installation expenses. 

Calculate the Return on Investment (ROI)

Consider the initial installation cost and long-term electricity bill savings. Estimate the payback period to see how long it will take to recover your investment through energy savings. 

When is a Structure Like the Intelligent WindPro Mount™ 2.0 Necessary?

Factors to consider:

Location

The amount of sunlight your panels will receive, and the wind speeds in your location can impact the effectiveness and durability of your solar setup. Higher wind speeds may mean you need stronger mounting solutions, such as our Intelligent WindPro Mount^TM 2.0, specifically designed for extreme weather conditions like high winds and dust storms. 

Roof Type and Condition

Flat and pitched roofs are suitable for solar panel installation, although some types may require additional reinforcement. 

If you live in an area with high wind speeds, reinforce the roof structure to ensure the solar panels are securely supported. The Intelligent WindPro Mount^TM 2.0, designed and certified by IIT Bombay, offers a reliable and sturdy option for these conditions.

Budget and Long-Term Goals

Investing in solar panels can lead to huge savings on electricity bills for up to 25 years and offers greater and more stable returns (up to 40%) compared to traditional options like FDs and Mutual Funds, while also providing consistent savings on energy costs. 

Options like solar loans with flexible repayment terms and competitive interest rates make it easy to finance your solar system. Other programs such as lease agreements offer lower monthly fees than current electricity bills, while the Power Purchase Agreements (PPAs) guarantee fixed rates for the electricity generated by the panels, typically at lower rates than utility companies.

Get Your Surakshit Solar Today

Addressing the challenges for solar panel installations facing high winds is essential for the efficiency and longevity of your solar energy system. Strong winds can cause damage to panels and shorten their lifespan. 

At Shree Rudra Power Systems, customer safety is our obsession, driving our vision to create durable solar installations that withstand such conditions. Proper mounting solutions such as the Intelligent WindPro Mount^TM 2.0 can minimise these risks. 

The Intelligent WindPro Mount^TM 2.0 enhances a solar system’s durability and efficiency by providing superior wind resistance. This ensures that your solar investment remains protected against adverse weather conditions while maximising energy production and return on investment. 

Moreover, the Intelligent WindPro Mount^TM 2.0 prioritises safety by securely fastening the solar panels, reducing the risk of accidents and ensuring the well-being of you, your family, and maintenance personnel. This added peace of mind allows you to enjoy clean energy benefits worry-free.

Switch to India’s most surakshit and storm-proof mounting structure – contact us today.

The post Introducing Intelligent WindPro Mount™ 2.0: The Latest Solar Mounting Structure appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

Solar panels harness the boundless power of sunlight, transforming it into clean, free electricity. 

But how do these panels work? 

Solar panels are equipped with cells made from silicon. When sunlight hits these silicon cells, it excites electrons, stirring them into motion to produce an electrical current. 

This guide explains how solar panels work, the components of a solar panel, and their shelf life or typical lifespan. 

How Do Solar Panels Work?

India is a tropical paradise with 300-330 sunny days. The result? A whopping 5,000 kWh of sunlight every year! 

When sunlight falls on the solar cells, it’s converted into electricity. Additionally, the sun’s heat can be used to generate electricity. 

When the sun’s light is used to produce electricity to run appliances, the process is known as photovoltaic effect.

When the sun’s heat is used to provide direct heating or produce electricity, it’s done through thermal power systems.

Let’s walk through the basics of both.

Photovoltaics: The Science of Turning Sunlight into Electricity

Think of them as your personal energy harvesters. Each panel is filled with cells, usually made from silicon, that have one job: convert sunlight into electricity.

When the sun’s light hits these cells:

• The sunlight charges electrons, sending them on a whirlwind tour through the cell
• This movement creates an electric current
• This is direct current (DC), the first step in powering up your gadgets

But DC power cannot be used to run home appliances. DC power from solar panels can range up to 1000 volts and its let-go threshold is very high which is why a solar inverter is a vital component of a solar PV system. It receives DC power from the panels through the cables and flips it into AC power.

And this is precisely how solar panels work! 

Solar Thermal Systems: When Heat Does the Heavy Lifting

Solar thermal technology is like a giant magnifying glass for the sun’s heat:

• It uses mirrors or lenses to concentrate sunlight onto a receiver, which heats a fluid
• This hot fluid is then used to produce steam
• Steam is a classic way to generate electricity or provide direct heating

Basic Components of Solar Panel Systems

A solar panel is an intricate machine made up of many components. From the solar cells to the protective glass, sturdy frame, safeguarding back sheet, and pivotal junction box, every part works harmoniously to harness the sun’s power to light up your home. 

1. The Solar Cells

Solar cells are the true stars of the show. They convert sunlight into electrical energy. Typically made from silicon, when sunlight hits these cells, they create an electric field that charges electrons, generating direct current (DC) electricity. 

2. The Glass Casing

Covering the solar cells is a tough, transparent glass layer, protecting them from rain, dust, physical damage and even excessively high temperatures, all while ensuring they get all the sunlight they need to do their job. 

3. The Frame

Surrounding the glass casing and the solar cells is an aluminium frame, which provides structural stability, ensuring the panel stays in place, come wind or high water. 

Solar panel companies take special care to manufacture these frames as solar panels can last for 25 years (provided you invest in top brands and let professionals take care of the maintenance post-installation).

4. The Back Sheet

Behind the solar cells lies the back sheet that keeps moisture and dirt out while adding an extra layer of protection. It is the unsung hero of the solar panel, working quietly in the background to ensure that everything keeps running smoothly and that the back of the solar cells is just as protected as the front.

5. The Junction Box

This component serves as the bridge for the DC electricity generated by the solar cells, directing it out of the panel and towards your inverter. Without it, all the electricity generated would have nowhere to go. It acts as the bridge between the solar panel’s generation and your home’s solar power utilisation.

How to Take Care of Solar Panels? 

Solar panels are the most visible parts of a solar installation, exposing them to environmental factors such as dirt and dust, bird droppings, leaves and twigs. 

The PV panels need direct sunlight to work at their maximum efficiency. If you don’t clean the surface for 3-4 months, the output from solar panels can drop by 30-40%.

However, cleaning the surface of solar panels without a trained professional can be risky for the following reasons.

• Professionals use a long handle soft bristle brushes to gently clean the surface of panels without damaging it 
• They use special chemicals to get rid of bird droppings 
• Most importantly, they’re equipped with safety gear to prevent unwanted slips and falls

Shree Rudra Power Systems specialises in providing after-sales maintenance services to all its customers. Contact us for more details on how proper maintenance of solar panels post-installation ensures your initial investment in solar breaks even very soon.  

Conclusion

Every solar cell basking in the sun, every light powered through the night, tells a story of transformation – one you’re a part of. Now, imagine the ripple effect of your decision to go solar. It’s not just an upgrade to your home; it’s a shining example of what can be achieved for your neighbours, friends, and city. 

Want to choose solar today so there’s no sorrow tomorrow? Book a free solar consultation with Shree Rudra Power Systems today, and let our experts turn your rooftop into an electricity-generating machine.

Frequently Asked Questions (How Solar Panel Works)

1. What are solar cells made of?

Most solar cells are made of silicon which converts sunlight into electricity. The main types of silicon used in solar cells are monocrystalline and polycrystalline. 

• Monocrystalline silicon is like the gold medalist, offering high efficiency and durability
• Polycrystalline silicon is more like your reliable teammate; it is slightly less efficient but still a solid performer

2. How long do solar panels last?

Solar panels are built to last, typically around 25 to 30 years. Many panels operate at reduced efficiency after their warranty period, so you can expect your solar investment to pay dividends for years or even decades.

3. Are there any environmental benefits to using solar panels?

Absolutely! By choosing solar panels, you’re giving the planet a big high-five. Solar energy is clean, green, and renewable, meaning it doesn’t produce harmful greenhouse gasses or pollute our air and water. It’s like planting a whole forest in your backyard without any space because every 1 kW solar system equals plating 15 full-grown trees.

The post How Do Solar Panels Work? appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

That’s a bit absurd, isn’t it? Just as it’s absurd to protect your investment in solar systems with weak mounting structures in the face of the Biporjoy cyclone. And it’s not the last cyclone that has hit the country! There will be more.

Biporjoy proves Darwin’s ‘Survival of the fittest’ Theory Right

Biporjoy’s fury has exposed one truth – weak solar can never last.

It is one of the fiercest weather events to thwart India. The cyclone stormed across the subcontinent, unleashing winds of up to 130 kmph, leaving a path of destruction. But more importantly, a lesson.

A lesson that extreme weather will send solar panels with feeble mounting structures flying like paper planes! A lesson on the non-negotiability of strength in solar installation. 

Over the past few days, we’ve seen extreme cyclonic winds pulling out solar panels and mounting structures from roofs like weeds being pulled out of the lawn.  

Flying panels have damaged properties and jeopardised investments. In sheer panic, what have people been doing? They’ve been frantically uninstalling their solar panels! 

But uninstalling solar panels in the wake of a storm is a temporary fix. Would you do that every time a storm hits your state? It’s not the solution. 

The only solution is finding and installing solar that can stand up to cyclones as fierce as Biporjoy.

Solar mounts that are as strong as the pyramids of Egypt standing the test of time and cyclones 

Your solar panel is not just a mere array of cells on your rooftop. It’s a promise to the environment, an investment in the future, a lock protecting your pocket from electricity bills. It’s that smart kid in your school who is also a star athlete – beauty and brawn. 

However, just like that star athlete would falter without a strong support team, so does your solar panel without a sturdy mounting structure. It’s like setting a 5-star meal on a shaky table. You wouldn’t do that, would you?

Shree Rudra Power Systems cares about your investment. Solar should be a lifelong investment. And to make sure your solar systems stand tall no matter the weather, we provide cyclone-proof mounting structures that stand undamaged in winds up to 170 kmph. 

And if our IIT Bombay-approved solar mounting structure gets damaged in a cyclone, we will replace it for free. That’s a promise! 

Local vs Shree Rudra Power Systems Mounting Structures: The Showdown

Picture two buildings – one built with standard bricks and the other with strong steel boulders. You wouldn’t need an architect to tell you which one stands the test of time, or in our case, a storm like Biporjoy.

Ordinary mounting structures, welded on-site, fall short. They rust, have weak joints, and cause water leakage issues on your roof. Like wearing a cap to protect yourself in a hailstorm, they simply aren’t fit for the job.

Enter Shree Rudra Power Systems’s mounting structures, the ‘Pyramids’ of the solar industry. Prefabricated in a factory to survive for 25+ years, galvanised with a zinc coating, they laugh at rust and easily withstand cyclones. 

These structures bring more than just the guarantee to beat extreme weather conditions. They bring peace of mind! 

Shree Rudra Power Systems’s mounting structures: More than a Product, A Promise!

At Shree Rudra Power Systems, our structures aren’t merely products. They’re promises – of strength, resilience, and a stress-free solar experience. 

Our rust-resistant structures can withstand all weather extremities – hails, storms, cyclones!

Summing up

Think of Biporjoy as a wake-up call – the necessity for robust solar installations is not just an option. It’s a demand from the forces of nature. 

So no matter what your local service provider says, do not arm yourself with a water gun to face that lion. You know in your heart that Biporjoy-like winds are no joke, and Biporjoy is not the last cyclone either. 

Choose Shree Rudra Power Systems’s cyclone-proof structures; for we install more than solar, we install peace of mind.

The post The Biporjoy Lesson: Only Resilient Solar Survives Cyclones appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

There are essentially 7 steps that, when sequentially followed, result in outstanding solar designs. Here’s a snippet of the steps: 

1. Selecting the PV module
2. Calculating the number of modules
3. Selecting the inverter
4. Calculating the number of inverters required
5. Calculating the size of the string
6. Selecting the mounting structure
7. Simulation

Does this pique your interest? Want to know more about these steps at length? If yes, dive in! 

#1. Selecting the PV Module

The base of good solar designs is a solar module. The module you select should largely be based on five factors. These five factors are as follows.

• Technology: There are two types of PV panels available in the market i.e. polycrystalline panels and monocrystalline panels.
• Efficiency: Poly panels are less efficient than mono panels. The efficiency range for poly panels is about 16-17%. Meanwhile, mono panels provide an efficiency of about 19-20%. 
• Cost: Mono panels are more expensive because they’re more efficient. People often choose poly panels when there is no space crunch. Alternatively, if shadow-free space on the rooftop is an issue, then the choice should be mono panels.
• Availability: Availability is an important factor to consider as India is dependent on China. How? PV cells that are used to produce solar panels have to be imported from China. 
• Warranty and Service Support: Ideally, you should choose PV panels with a longer warranty period and good support services. Which means that the brand you’re buying from should be premium. That’s because if the brand won’t last, the warranty that was promised won’t matter either. 

#2. Calculating the number of modules

The next step is calculating how many modules are required for the solar designs. The way to do this is to follow this simple formula:

Total wattage required ÷ wattage of one module = total number of modules required.

For instance, for one module of 350 Wp requiring a total wattage of 10 kW or 10,000 W, the total number of modules required will be, 10,000 ÷ 350 = 28.57 

Thus, 29 modules are needed.

#3. Selecting the inverter

The next step is to select the inverter for the solar designs. The inverter you select should largely be influenced by the following factors. 

• Technology: There are two types of solar inverters available in the market – string inverters and micro-inverters.
• Efficiency: String inverters are less efficient than micro-inverters as micro-inverters have a higher capacity. 
• Cost: Micro inverters are more expensive; whereas, string inverters are cheaper due to differences in capacity.
• Availability: As mentioned above, people usually prefer solar inverters readily available in the market.
• Warranty and Service Support: Solar inverters with a longer warranty period from a premium brand are the ideal choice.

#4. Calculating the number of inverters 

Let us now calculate the number of inverters you will require for the solar designs. This method requires the same formula we used to calculate the number of modules needed.

Total wattage required ÷ wattage of one inverter = total number of inverters required.

For one inverter of 2500 Wp requiring a total wattage of 10 kW or 10,000 W, the total number of modules required will be 10,000 ÷ 2500 = 4

Thus, 4 inverters will be required in this case.

How to divide the modules per inverter?

To know how many modules need to be distributed per inverter for an optimum solar design, we will have to divide the number of modules by the number of inverters. 

For example, if you have 29 modules and 4 inverters, then you simply need to calculate it this way: 29 ÷ 4 = 7.25. Thus, each inverter will have 7 or 8 modules.

Please know that this number is just an indicative figure. During practical applications, you must be flexible while arranging the modules per inverter.

#5. Calculate the size of the string

Calculating the size of the string for solar designs can be done through software. But, just to be aware of the basics, to calculate the correct string size, you need to know the following information.

• Voc of PV module
• Vmp of PV module
• MPPT range of the inverter
• Vmax range of the inverter

#6. Selecting the mounting structure

Several factors must be considered while deciding on the mounting structure to be used for the solar designs. The geographical location will affect some of these factors. Some aspects to be kept in mind are as follows.

• Wind load/snow load: The geographical location plays an important role since you need to understand the load the mounting structures would have to bear. 
• Type of roof structure: The type of roof, its tilt, and what it is made of will help determine the mounting structure’s type.
• Tilt or type of mounting: The main objective is to ensure that the mounting structures should hold the panels in such a way that the panels are perpendicular to the sun during the peak hours (11 AM to 2 PM).
• Structure material: The two most popularly used materials are G.I and aluminium.
• Environment: You should consider whether the structures are to be part of a coastal environment or a highly corrosive environment.
• Cost: The final cost for the mounting structures will be calculated depending on all the above-mentioned factors.

The different kinds of mounting structures for solar designs are fixed tilt, flush mount, single-axis tracking, ballasted solar structure, and east-west racking.

#7. Simulation

Simulation software creates a controlled experimental environment for the testing of solar cells, solar systems, solar designs, and more. Engineers use simulation software to design better solar systems. It is especially helpful in shadow analysis. 

Conclusion

We hope that now you know everything about solar designs and the kind of details and preparations required. Switching to solar is the need of the day – global warming is an issue bigger than high electricity bills. Since installing a solar system tackles both, it’s probably the best investment of the modern time.

FAQs

1. What is the efficiency of a ground-mounted solar power plant?

Any solar power plant’s efficiency varies according to the PV panel used in its construction. A poly panel has an efficiency of 16-17%. A mono panel has a 19-20% efficiency. 

Surprisingly, ground-mounted solar panels that have trackers installed have better efficiency. However, there’s no need for trackers in the case of residential installations. 

2. Is my rooftop suitable for installing solar panels?

An asbestos sheet roof is not ideal for installing a solar power structure. However, if your roof is made of other materials like an RCC or metallic sheets, it is perfect for solar installation. 

With a suitable mounting structure and good solar designs, your system will be able to fulfil all your power requirements.

3. Is it easy to shift solar structures after installation?

It is as easy to uninstall solar systems as it is to install them. But remember that these are delicate structures and should only be handled by professionals for a smooth uninstallation process.

The post How to create the perfect solar designs for solar system installation? appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

If you think batteries are already one of the smallest devices embedded in an electronic gadget, you will be amazed to know that even smaller batteries, such as the size of a coin, are prevalent for usage. Yes, we are talking about coin cell batteries!

Coin cell batteries are sometimes also referred to as penny cell batteries. Many people misinterpret them as button cell batteries, but there is a slight difference. Coin batteries are less thick and have a greater diameter than button cell batteries.

Mostly, coin batteries have a low self-discharge rate. It means they hold a charge for a longer span, which facilitates a long shelf life. As coin batteries are consistent and reliable, these are ideal for use in portable products that need a longer service.

If you want to know more about a coin cell battery, stay with us till the end of the blog!

What is A Coin Cell Battery?

Also called lithium-metal batteries, coin cell batteries are basic batteries that have metallic lithium as an anode. These batteries have the shape and size of a coin or penny. 

Notably, these are one of the smartest battery cells in the world of batteries. Coin batteries are not very expensive and are ideal for powering small devices, LED projects, etc.

Besides, there are different technologies and chemistries concerning coin cells. Some cells are lithium, while others are alkaline. The nominal voltage of alkaline coin batteries is 1.5V, whereas that of lithium coin batteries is 3V.

Working Mechanism of a Coin Cell Battery

Now, let us understand how coin batteries work!

A coin battery works similarly to AA and AAA batteries. Their circular body consists of two electrodes (cathode and anode) of complementary metals. Usually, stainless steel forms the bottom body and the positive terminal of the battery. 

The metallic top insulated from the positive terminal forms the negative terminal. Both terminals are separated by an electrolyte that acts as a separator and also controls the movement of ions that generates the electric power.

When the battery is discharged or used, the cathode receives positively charged lithium ions which make it positively charged. Now, the positively charged cathode attracts electrons (negatively charged) that flow via the circuit of devices and constantly power it as long as it is connected. The reverse of this process happens when the cell battery is being charged.

Notably, for the prevention of short circuits and leakage, the manufacturers of coin cell batteries use chemically stable materials.

How to Understand Coin Cell Naming (Formats & Sizes)?

Coin lithium cell batteries come in several sizes. Each cell has a specific coded name that describes its size and chemistry. The International Standard IEC has specified an alphanumeric coding system for naming these cells.

Some examples of coin batteries that conform to the IEC standard are CR2032, LR1154, and SR516. Sometimes, it is slightly confusing for people to identify the cell battery name. 

Let us take the example of CR2032 to understand the nomenclature!

• The first letter indicates cell chemistry. The letter ‘L’ is for Alkaline cells, while ‘C’ is prefixed for lithium coin cells.

• The second letter indicates the cell shape. The letter ‘R’ is for round, ‘F’ is for flat, ‘S’ is for Square (S), and ‘P’ is for simply ‘Not Round’ cell.

• The reference number of three to four digits on the battery cells denotes their approximate or exact size. In our example, ‘2032’ indicates that the diameter of the cell is 20mm, and its thickness is 3.2mm.

Hence, the CR2032 cell is a round lithium cell battery with a diameter of 20 mm and a thickness of 3.2 mm.

Features of a Coin Cell Battery

Let us discuss some notable features of coin lithium batteries.

• Coin batteries are an appropriate power source for portable equipment and on-the-go electronic gadgets. These facilitate the use of various things in day-to-day life.

• The coin lithium cells have a significant power-to-size ratio and long working life. Also, they have a considerable shelf life of around 7 – 10 years. 

• These batteries are durable and will not hamper the performance in adverse weather conditions. Also, these batteries are not prone to leakage, explosion, or instinctive combustion.

• As long as these cells are not soldered to a circuit board, assembling and removing these cells is very convenient and hassle-free.

• Coin cells have a low self-discharge, so they can hold their charge for a long duration even if not being used. You can continuously use them in a wristwatch for over a year.

Applications of Coin Cell Batteries

Nowadays, we are increasingly using smaller gadgets or portable personal devices. To run these devices, we require batteries that fit in them conveniently. Coin cell batteries are popularly utilised for such small-sized devices.

These cells help us to keep an eye on the time when used in wristwatches. Other common applications of coin batteries include calculators, remote controls, bank card readers, electronic games, digital scales, car keys, and more. 

These are even used in small medical equipment like digital thermometers. For pacemakers, a single coin battery cell can provide an artificial heartbeat for 5-to-10 years.

Besides, coin batteries are suitable for very small or low-power projects. These are useful for testing LEDs and powering electronic tealight candles and disposable devices. Other than single-use (or disposable) batteries, rechargeable batteries are also available in different sizes. However, they have a lower capacity than the former.

Conclusion

The Coin cell battery we use daily is designed to make our lives easier. It is ideal for running portable devices or electronic gadgets. With an increase in the usage of small electronic devices, such types of batteries have become more popular.

Many lithium coin batteries can appear very similar, as they often have the same diameter but a bit varied thickness. To purchase the most suitable coin-sized lithium batteries, it is significant to know which size you require. 

FAQs

Q. Who are the notable manufacturers of coin cell batteries?

Some of the major manufacturers of coin lithium batteries are – Renata, Panasonic, Duracell, Energizer, GP, and Varta.

Q. What are the safety precautions that should be taken for coin cell batteries?

A risk involved with using coin batteries includes accidental ingestion by children because of their small size and round candy-like shape. Therefore, you must ensure that you store and dispose of these batteries at room temperature in an area inaccessible to children and pets. 

Q. What does the expiry date on the coin battery indicate?

The expiry date shows the duration after production for which the battery will function properly, as per the set industry standards. It varies according to the battery type. Notably, it takes around ten years for lithium coin batteries.

The post An Extensive Guide On Coin Cell Battery: Working, Features & Applications appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

In the 1990s, the fresh design of the pouch cells surprised the battery gurus. Unlike other batteries that come with a metallic cylinder, pouch cells have a polymer exterior that gives them superior flexibility. 

With outstanding performance, durability, longer life, and high compatibility, these pouch-cell batteries are suitable for a wide range of applications. 

You will find them in portable consumer electronic devices such as GPS, DVDs, iPods, tablets, PCs, MP4 players, power banks, IoT, medical equipment, and electric vehicles. 

Interesting, aren’t they? Let’s explore the details about li-ion pouch cells, their working, pros, cons, and more. 

What are Li-ion pouch cells? 

As the name suggests, li-ion pouch cells are battery cells assembled in pouches. The pouch is made up of a layer of aluminum-coated plastic film. 

You will not find any hard metal cases. Eliminating the metal enclosure reduces the weight of these cells. They are also called Lipo (Lithium Polymer) cells or soft packs. 

A pouch cell has the following elements:

• Current collectors: The conductive materials (copper and aluminum) carry electrical current 
• Active material: It is the electrode
• Anode: The negative current collector and the active material
• Cathode: The positive current collector and the active material
• Separator: A separation that prevents electrical contact between the anode and the cathode.  

In recent times, pouch cells have become the first choice for many manufacturers because they offer a high energy density and great power performance in addition to design advantages. 

How are Li-ion pouch cells made? 

Wondering how these flexible pouch cells are made? The following steps will give you a complete understanding of the process:  

• Electrode Slurry: A slurry is created by mixing electrode powders and active materials like lithium with binding materials.
• Electrode Coating: This slurry is spread onto long foil pieces. It is baked at a very high temperature, up to 300 degrees Fahrenheit. 
• Electrode Stamping: After baking, individual electrode battery pieces are cut.
• Electrode Stacking: A suction machine picks up the cut-out electrodes and wraps a separator layer between them to create an electrode stack. 
• Pouch Making: Each electrode stack is kept in a moisture-resistant material to create a pouch cell.
• Electrolyte Injection: A machine injects liquid electrolyte into every open pouch.
• Sealing: The pouch cell is then heat-sealed. It is kept in a vacuum chamber to eliminate excess air from the pouch.

Working of Li-Ion Pouch Cells

Lithium-ion pouch cell manufacturers are constantly hunting for ways to enhance the efficiency and reliability of their products while minimising manufacturing costs. 

You must know that the service life and the performance of pouch cells largely depend on the processing technique.

Let’s understand the working of the pouch cells, which is easy to grasp! 

The working of li-ion pouch cells is similar to that of any other cell. It has electrodes that conduct electrical current. 

You will find two tabs sticking out of the pouch— the positive and negative connector tabs that help conduct electric energy in and out of the pouch cell when connected to the required sources. 

Power Generation from Li-Ion Pouch Cells 

From laptops to cell phones, lithium-ion pouch cell batteries power the lives of millions of people each day. 

So, how does it work?

Like any other cell, a chemical reaction occurs inside a pouch cell whenever an electric current is passed through it. 

Lithium-ion movement creates free electrons at one of its electrodes (anode). The electrical current flows from the anode through a powered device to the negative current collector. 

When discharging to provide an electric current, electrons flow from the anode to the cathode. 

And what would happen when it charges a device? The contrast. When you plug in the device, the ions are released from the cathode and received by the anode.

The li-ion pouch cell batteries favours intermittent charging. Therefore, you need not charge these to saturation. 

Pricing of Li-Ion Pouch Cells 

Planning to purchase lithium-ion pouch cells/batteries? You must know that the price is largely influenced by the manufacturing company, the voltage, and the capacity. 

A li-ion pouch cell battery with:

• 3.7V and 10,000 mAH costs approximately ₹500 
• 3.7V and 4000 mAH costs between ₹275 to ₹300 
• 3.7V and 600 mAH costs between ₹100 to ₹170 
• 3.7V and 300 mAH costs between ₹90 to ₹120

Pros and Cons of Li-Ion Pouch Cells 

Let us discover both sides of a pouch cell– its merits and limitations before adopting it. 

Pros

The reasons that have made pouch cells highly popular are as follows:

• High production speed
• Easy maintenance
• Better recycling capabilities
• Greater flexibility 
• Longer cycle life with only about a 10% decline over ten years
• Improved energy storage in comparison to cylindrical cells
• Greater safety as they do not explode
• Very lightweight– 40% lighter than an equivalent capacity shelled lithium battery
• A small size that greatly reduces the self-consumption of the cell/battery

Cons

We know you are eager to discover if these pouch cells have any disadvantages. So, here are some limitations.

• Due to swelling, pouch cells can gain 10% volume after 500 charge cycles.
• They are higher in price than other alternatives, such as cadmium cells. 
• They are easy to damage and prone to leakage if not manufactured up to the mark. 
• Very high temperatures can reduce their longevity.   

Why isn’t solar energy more popular? 

Installing a solar system demands a bone-breaking investment – this is a myth! And this myth has caused a majority of people to back out from installing a solar energy system. 

Although we agree that the cost is marginally higher, the long-term monetary benefits of opting for a solar system cannot be overlooked. 

If there’s more awareness and people get to understand that switching to solar will benefit the planet too, solar energy will be easily adopted on a larger scale.

Conclusion 

Pouch cells are light and cost-effective. However, exposure to humidity and high temperature can shorten their life. 

These cells work best with light loading and moderate charge times. As they can serve various industries, they have gained strong customer loyalty over the years. 

FAQs

Q1. Are pouch cells safe?

Li-ion pouch cells are safe and have a low-risk fraction. They are known to swell due to manufacturing defects or overuse, but they do not explode like other cell types.

Q2. Are pouch cell batteries good?

Pouch cells have up to 90% to 95% packaging efficiency— the highest among battery packs. They are lightweight and have a longer life; hence, they’re absolutely worth it.

The post A detailed guide on Li-ion pouch cells: What are they and their benefits? appeared first on Rooftop Solar for your home and more | Shree Rudra Power Systems.

• The 1 kilowatt solar panel price in Delhi without subsidy lies between ~₹ 1.95 lakh to ~₹ 3.3 lakh*
• The 1 kW solar panel price in Bengaluru without subsidy lies between ~₹ 2.13 lakh to ~₹ 3.83 lakh*

*NOTE – The prices listed above have been calculated as the base price of the 2 kW and 5 kW solar system price. Also, Shree Rudra Power Systems does not sell 1 kW solar systems since most Indian homes will require at least a 2 kW solar system to become truly energy independent. These prices are indicative as of 17 August 2026 for Shree Rudra Power Systems Blue 6ft variant. Please note that the final solar power plant cost in India depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Also, please note that the per kW cost decreases as you opt for a higher kW system for your home. 

In this blog, we will walk you through the 1 kW solar panel price in India with and without a subsidy. We will also explain why we recommend installing on-grid rooftop solar systems of at least 2 kW capacity and help you determine the right system capacity for your home based on your annual electricity consumption. 

Let’s begin!

What is the 1 KW Solar Panel Price in India?

The Indian government offers homeowners a chance to purchase rooftop solar at cheaper rates. How? By offering a solar subsidy under the PM Surya Ghar Muft Bijli Yojana. 

Here are the subsidy details (they’ll help you understand the final calculation of the 1 kW solar panel price in India with subsidy a lot better): 

Please note: Maximum subsidy is capped at ₹ 78,000 for homeowners. 

Now that you have all the details about subsidy, let’s discuss the 1 kW solar system price in different Indian states. 

1 kW Solar System Price in India

Here’s a tabulated snapshot of the 1 kilowatt solar panel price in India before and after you avail of a subsidy:

*Please note: The prices listed above have been calculated as the base price of the 2 kW and 5 kW solar system price. Also, Shree Rudra Power Systems does not sell 1 kW solar systems since most Indian homes will require at least a 2 kW solar system to become truly energy independent. These prices are indicative as of 17 August 2026 for Shree Rudra Power Systems Blue 6ft variant. Please note that the final solar power plant cost in India depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Also, please note that the per kW cost decreases as you opt for a higher kW system for your home. 

Also Watch: How Many Units Does a 2 kW Solar System Produce in India?

Is it Worth Investing Money in Purchasing a 1 kW Solar System?

A rooftop solar system is truly a lifelong investment because when maintained well, your system can last for at least 25 years. There are mainly two reasons why experts at Shree Rudra Power Systems recommend investing money in buying solar systems that are at least 2 kW:

• Production vs Consumption Gap: A 1 kW solar system can produce roughly 1,400-1,450 units of electricity. But most Indian households consume more energy than that. 
• Anticipating Future Needs: As your family grows, so will your electricity requirements. If you install a 1 kW solar system today, the chances are very high that you’ll have to install more panels and expand the capacity a few years later.

You become truly energy independent only when you install a solar system that can cover all your energy requirements. So, if your yearly unit consumption is truly 1,400 units or lower, a 1 kW solar system could be an ideal investment, at least for some years, until your energy requirements grow.

However, if you consume more units than a 1 kW solar system can produce, you must invest money in buying a system that can cover all your energy requirements. 

So, how do you determine which system capacity is suitable for your home? Let’s resolve this query!

How to Choose the Right Capacity Solar System For Your Home?

Here’s a simple and straightforward guide to help you find out a system that’ll truly match your energy requirements: 

• Review your electricity bills from last year 
• Calculate the average number of units consumed in a year
• Divide your home’s yearly energy consumption by the number of units produced by a 1 kW solar system (1,400* units/year).

*On average, a 1 kW solar system produces 1,400-1,450 units per year.

Here’s what the ideal size would look like based on the calculation tactics listed above:

So, you see? The ideal solar system size depends on how much energy goes into running your household throughout the year. Still confused? Watch this video that explains how to find out the right solar system size for your home, step-by-step.

Types of 1 kW Solar Systems and Their Prices

If your electricity requirement falls into the bracket of what a 1 kW system can power, this section clarifies the cost of a 1 kW solar panel based on its various types. Yes, you read it just fine – solar systems are of different types. 

In India, the three most common types of solar systems (irrespective of capacity) are:

• On-grid rooftop solar systems
• Off-grid solar systems
• Hybrid solar systems

Before we walk you through the differences between the three types, here’s a tabulated snapshot of the cost variation:

*Please note: The prices listed above have been calculated as the base price of the 2 kW and 5 kW solar system price. Also, Shree Rudra Power Systems does not sell 1 kW solar systems since most Indian homes will require at least a 2 kW solar system to become truly energy independent. These prices are indicative as of 17 August 2026 for Shree Rudra Power Systems Blue 6ft variant. Please note that the final solar power plant cost in India depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Also, please note that the per kW cost decreases as you opt for a higher kW system for your home. 

Now, let’s discuss how the three types vary and explore their working.

On-grid Rooftop Solar System

An on-grid solar system is most popular for residential installations. It is connected to the main grid via a bi-directional meter. This meter keeps a record of units exported and imported between your solar system and the electricity grid. Plus, you get a subsidy for installing this solar system type!

Find out more details on the working of an on-grid solar system here.

Off-grid Solar System

As the name suggests, it’s a standalone system since it isn’t connected to the grid. Instead, it has batteries and the electricity generated by solar panels is stored in the batteries.

However, the Indian government does not offer any subsidy for off-grid installations. 

Find out the detailed working of off-grid solar systems here.

Hybrid Solar System

A hybrid solar system is connected to the grid and includes batteries. Although the government offers a subsidy for hybrid systems, they are the most expensive system type.

An on-grid solar system, which is capable of powering homes uninterrupted in areas where there’s a reliable grid, emerges as a clear winner when it comes to home solar installations. 

Explore the detailed working of a hybrid solar system here.

What Are the Components of a 1 kW Solar System?

The prices we’ve listed so far in this blog aren’t just for solar panels but for the entire solar system. And a solar system is more than just panels. 

Here’s a breakdown of the components for which you’re paying when you install an on-grid rooftop solar system at your home: 

• Solar panels
• Solar panel mounting structure
• A solar inverter
• Solar accessories: AC and DC cables, AC combiner box, DC combiner box, earthing strips, lightning arrester, conduit pipes, MC4 connectors, and electrical connection components
• A bi-directional meter

What Appliances Can Run on a 1 KW Solar System?

As already explained, a 1 kW solar system can produce 1,400-1,450 units of electricity every year. Here are the appliances that a 1 kW solar system can support:

• Fan
• Refrigerator
• TV
• Washing machine
• Home lighting system

Why Choose Shree Rudra Power Systems As Your Vendor?

Most suppliers stick with 330-watt solar panels, but Shree Rudra Power Systems prioritizes efficiency and quality. We offer the latest technology: 610-watt TOPCon half-cut bifacial modules that pack far more punch and efficiency.

With fewer panels needed, you’ll save rooftop space and cut hardware costs significantly.

Here are some other reasons why Shree Rudra Power Systems is your ideal rooftop solar installer:

• Rapid Installation: Your complete solar system can be up and running in just eight hours.
• Leak-Proof Assurance: Our HILTI AirTight chemical anchors shield your roof. If a leak does occur, we’ll cover repairs up to ₹ 1 lakh for one year.
• Energy Delivery Pledge: We’re the first and only solar company in India to offer a money-back guarantee at ₹ 8 per unit if we fall short on promised generation.
• Cyclone-Resistant Design: Our IIT Bombay-certified WindPro Mount™ mounting structures can withstand winds up to 170 km/h.
• Durable Construction: All frames are crafted from premium virgin steel, resisting rust and lasting more than 25 years.
• Savings guarantee: We currently offer TopCon panels, backed by 4-Year Good Zero Savings Guarantee, which ensures your solar system delivers the guaranteed electricity generation.

*Please note: As our product offerings (technology) and savings guarantee terms may evolve over time, please connect with your assigned Solar Consultant or schedule a FREE solar consultation with us for the latest information on available panel technologies and guarantee coverage.

Conclusion 

The 1 kW solar panel price in India after subsidy is ~ ₹ 72,500*. There’s so much price variation because the rates depend on multiple factors, such as your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, and roof height.

*Please note:The prices listed above have been calculated as the base price of the 2 kW and 5 kW solar system price. Also, Shree Rudra Power Systems does not sell 1 kW solar systems since most Indian homes will require at least a 2 kW solar system to become truly energy independent. These prices are indicative as of 17 August 2026 for Shree Rudra Power Systems Blue 6ft variant. Please note that the final solar power plant cost in India depends on your city, DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Also, please note that the per kW cost decreases as you opt for a higher kW system for your home.   

Still wondering whether you need a higher-capacity solar system? Book a free solar consultation call with Shree Rudra Power Systems, and let our experts guide you through the details and give you a proper estimate of the size of the solar system suitable for your home.

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