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10 things to know about photovoltaic (PV) solar panels in India

Electricity bills are High?
EB Bill is giving a shock to your wallet?
Thinking about going solar for your house?

Solar Energy is the cheapest form of Electricity and Get it installed by SOLSTROM – best solar energy company in India from Chennai

Solar photovoltaic (PV) systems – also known as solar panel systems, solar energy systems, or solar power systems – convert sunlight into electricity. You can use the electricity generated by your solar PV system to power your home, your business or even your car.

How solar energy works

Solstrom 1. Solar panel systems are a great way for you to save money, no matter what your budget is.

If you can afford to pay your electricity bill every month, you can afford to install a solar panel system. With a $0-down solar loan, solar lease or PPA, you can finance your system and see immediate savings.

Solstrom2. Installing a solar panel system is a great investment.

Investing in a solar panel system can deliver better returns than stocks and bonds – and now is the right time to make that investment. While solar photovoltaic technology is improving incrementally each year, financial incentives and rebates will decrease as solar becomes more popular.

Solstrom 3. Solar photovoltaic systems have been around for a long time.

Solar photovoltaic systems are a well-proven technology first invented in 1954 by scientists at Bell Labs. Today, solar panels are installed on over two million homes in the U.S.

Solstrom4. Solar panel systems are highly durable.

Solar photovoltaic panels are made of tempered glass and can withstand hail, snow, rain, and high winds. They can even extend the life of your roof by protecting it from daily wear and tear.

Solstrom 5. Solar power systems can produce electricity for 25 or more years.

Most solar panel manufacturers offer a 25-year power production warranty guaranteeing that their solar panels will continue to generate electricity at a certain capacity for the warranty’s duration.

Solstrom 6. Solar power systems are practically maintenance-free.

Solar panel systems are incredibly durable. Except in extreme circumstances, they don’t need to be washed or cleaned.

Solstrom 7. Solar panels can be installed almost anywhere in the India.

Most locations in Tamil Nadu and India get enough sunlight to produce sufficient electricity from solar panels. The most important factors to consider when you evaluate your solar panel options are the rates you pay for electricity and the rebates and incentives available to you.

Solstrom 8. Solar energy systems are tied to the electric grid and do not require batteries to store power.

When you install a solar energy system on your property, you remain connected to the electricity grid. At times when your system produces more electricity than you use, you receive credit for the electricity you send to the grid; if you need more electricity than your solar energy system is producing, you can draw it from the grid.

Solstrom 9. Solar power systems can eliminate most of your electricity bill.

With the right planning, your solar panels can generate enough electricity to meet your needs over a 12-month period. As long as you have enough roof space to install the right size solar panel system, the power that your panels will produce will effectively eliminate most of your electricity bill.

Solstrom10. Solar photovoltaic panels can be installed on the roof of your home or commercial property, on the ground or on a solar canopy.

Solar panels can be installed practically anywhere that receives direct sunshine for most of the day and is not shaded by trees or buildings. Panels that face south will produce the most electricity, but your panels can also face east or west.

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Solar Panel Operation & Maintenance (O&M)

Worried about solar panels and Cyclone?

 Fret not, solar panel systems are incredibly durable and require little to no maintenance over their productive lifetime – which can span 25 years or more. In the event that something does go wrong, your solar PV system components have very long warranties that would cover replacement and repair costs. 

solar installed on a rooftop in chennai

Solar panel warranties

Solar panel manufacturers provide a range of warranties that guarantee you will have support and coverage in the unlikely event of an issue, such as hail or falling tree branches.

Power output warranties guarantee that panel performance won’t fall below a specified level over the term of the warranty (usually 25 years). For instance, a manufacturer might provide a warranty to guarantee that peak power output won’t fall below 85 percent for 25 years.

Some manufacturers will also include an additional warranty that promises a higher output level over a shorter period of time. As an example, a secondary warranty might guarantee no less than 90 percent of initial power output for the first 10 years.

Panels typically come with a workmanship warranty that protects consumers against defective panel parts, generally for the first five years of operation. Inverters also come with warranties, usually for 10 years.

Learn more about solar panel warranties and other indicators of quality in Solstrom Guide to Evaluating Solar Panel Quality.

How to maintain your solar panels

Solar panels are made of tempered glass, so they’re built to withstand hail and other rough weather. With the exception of tracking mounts, solar panel systems don’t have movable parts, which cuts down on the possibility of any problems.

Any issues with solar panel performance are usually related to electricity production, which is why most installers recommend monitoring your system’s production. By paying attention to changes in production, you can identify and address issues proactively.

Generally, solar panels don’t need to be cleaned. If you live somewhere where there is a lot of smog, dust, or dirt, you may see a dip in your production over time that can be remedied by cleaning your panels. If your panels are mounted on your roof, however, your best option is to hire a professional cleaning service rather than try to clean them yourself. Your installer will be able to recommend someone local to help you.

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How to choose solar panels – your solar guide. 3 tips while choosing solar panels for homes

More and more people are moving into alternative energy solutions like solar energy, wind energy etc. the most viable option for homes is solar energy. Environmental activists consider solar power as one of the least pollution emitters among other energy options. Installing solar power plant is considered as a financial investment that has a very long – life time savings. This helps in cutting the electricity bill that is eating out a big portion of your monthly disposable income. The environmental benefits combined with highly attractive financial benefits has made solar energy as an important choice among other sources of energy. It also has high ROI (Return on Investment). Due to Improvement in technology, the solar panels cost has reduced drastically while also providing increased efficiency.

While having all these attractive features, extra caution must be taken when it comes to solar power installation at homes. Being one of the smart financial investment of the recent times, certain features are considered before purchasing the solar panel or selecting the EPC solar panel installer for your homes. Solar panel is the most important component in any solar power installation, besides inverter, wirings, battery etc. As the solar panels converts the sun’s light energy into electricity, the success of the entire solar power plant depends on the solar panels. the following tips can be taken into consideration while choosing the right solar panels for your homes.

How to choose solar panels – your solar guide

Warranty of the solar panels and the test reports

The first step in choosing solar panels for homes is to look at the test reports of the panels. The solar power panels undergo various tests like test for breakage, thermal test, radiation test etc. before being packed. The buyer of solar panels must examine if all the solar panels have passed the test and are ready to start generating electricity. These test results will be provided by the manufacturer. Warranty of the solar panels must be checked and it is one of the important factors in choosing solar panels. The industry average warranty is 25 years. So, the customer must ensure to select solar panels from manufacturers who could provide 20 – 25 years warranty for solar panels. Being a long – term investment the warranty saves the solar panels throughout its life cycle.

Efficiency of the solar panels for homes

The next step is to check the efficiency of the solar panels. Solar panels are bound to many losses and having a higher efficiency will reduce energy losses. Basically, the efficiency of commercially available solar panels can go from 15% to 19%. The efficiency indicates that only 15 – 19% of the total solar radiations falling on the solar panels mounted on the rooftop is converted into electricity. The remaining 81 – 85 % is lost. So, selecting a good solar panel, demands higher efficiency of the solar panels. solar panels with efficiency greater than 16% is considered as a good choice for homes. This efficiency is usually mentioned by the manufacturer of the solar panels after several lab tests.

Cost of the solar panels

Although the solar panel cost is one of the last things to consider while selecting a solar panel, it gains its importance based on the amount of investment and the size of the solar power plant to be installed. You must always choose solar panels for homes by comparing the solar panels for homes cost and relative efficiency of solar panels. Most of the highly efficient solar panels are over – priced and are not value for the money paid. On the other hand, most of the low- cost solar panels are not efficient in generating electricity. So, a comparison of the cost and efficiency of the solar panels helps us to arrive at the best value while having best performance. 

Productivity, durability and cost – efficiency are the mantra in selecting solar panels for homes

– Solstrom

These three factors form the pillar and guiding stone while selecting the solar panels for homes. Understanding of Productivity, durability and cost- efficiency is essential especially in case of large solar power plant installations. Follow the above tips to have a brighter step towards solar energy. If you are so keen in learning more in the field of solar energy check out our other blog posts. In case you would like to talk to us in person, leave a message and we will get back to you shortly. 

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Best Solar Monitoring Solutions in India

Solar power plant on a industrial Roof

Why it is important to have Solar Remote monitoring solutions for your plant?

A solar monitoring system can help make you more aware of your PV system’s performance. It offers information about energy consumption and generation, optimizing energy usage, and damage to your solar system, among other topics. It’s important to monitor your solar setup in some manner – without monitoring, it can be difficult to figure out if your solar panels are operating at their best.

I believe only in God, Rest everyone should bring DATA

How solar monitoring systems work


Solar monitoring systems operate through your solar system’s inverter(s).

Companies will often offer solar inverters that come with a proprietary monitoring software setup.

As your solar inverter converts DC current into AC current for use in your home, information about power levels and production is collected and sent to cloud-based monitoring systems and their companion apps. Homeowners can access this information several ways, including through mobile apps and paired smart home devices. Some monitoring systems offer on-site monitoring as well, and wire information from the inverters directly to a monitoring device on your property.

Most monitoring systems can be setup to have cellular capabilities, allowing you to access system data stored in the cloud from mobile devices without needing to connect to your WiFi network. As a result, if your personal internet connection is lost, you may still be able to access your solar monitoring system.

Systems with power optimizers don’t rely on a wireless connection to transmit data, so monitoring continues during internet outages. Depending on the interface you have set up, you may also be able to access your monitoring data even when your internet is down. However, this isn’t the case for microinverter monitoring systems. They rely on a WiFi connection to monitor each panel individually, in real time. This means that when the internet goes down, so do your monitoring capabilities.

Aside from displaying energy consumption and generation data, monitoring systems offer many tools to help you understand your solar energy setup. Monitoring software often can help detect problems and defects with panels, and recommend repairs to your setup. You can often also track historical data from your system. For example, monitoring systems offer data on historical weather-based performance, so you can know how the weather has impacted your solar production in the past, and what you might expect in the future.


Enphase vs. SolarEdge monitoring systems

Two of the most popular solar inverter providers, Enphase and SolarEdge, offer high quality, proven solar monitoring solutions alongside their inverter products.

One of the main differences between the two systems is the type of inverters used. Enphase employs microinverters located at each individual solar panel in your system, which communicate wirelessly with a central device that provides data to their mobile application. SolarEdge uses power optimizers wired to a central inverter, which connects wirelessly to the internet, and in turn to a mobile application.

There are additional differences between the two systems, but the choice of inverters figures to be the most important limiting factor when deciding between the two companies for monitoring systems. Aside from Enphase and SolarEdge, many other companies offer varying levels and types of solar monitoring systems, all of which will help you to understand your solar panel setup and operation in more detail.

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When you service all makes of turbine, all around the world, how do you make sure that safety standards are maintained at the highest level? It’s an important question – and when we talk to our customers about what’s most important to them competencies in renewable energy systems. IRecco’s extensive range of robust and reliable products backed by its cutting-edge R&D and more than two decades of expertise are designed to ensure optimum performance. Of course, it’s a given that all turbines live up to strict legislation, but that’s not really where the greatest safety challenge lies. If you look at the causes of incidents, more than 90% are caused by human behavior. That’s why we believe that keeping the highest safety record means creating a safety-first mindset.

The people I meet who service our turbines are special: They’re proud of what they do, and they take their jobs very seriously. It’s not an easy environment to work in. When you’ve experienced standing on the top of an 80m high turbine, swaying in the wind like a ship at sea, you really respect what they do. It takes a cool head and a lot of courage.


Why it Might Be Time to Visit Wind Farm Self-Performance

But not all the people who are attracted to this lifestyle – because that’s what it is – are not natural-born rule followers. And to secure a high safety level for all, we spend a lot of time developing watertight safety procedures and protocols which must become second nature for them. Because not following rules has serious consequences. Secondly, training is vital, both technical safety training, turbine specific training as well as Safety awareness training. Adding to this leadership needs to be strong and leaders perform safety walks to check first-hand what our engineers will encounter. Even our executive leadership takes part, and our CEO has climbed the ladder and walked the roof of a nacelle… so when they talk safety they can speak from experience.

“ There are no secrets to success. It is the result of preparation, hard work, and learning failure ” -Tina Retina

Our goal is to create the same service documentation for each and every turbine, in a standardized, user-friendly format. Our engineers already have enough to think about without having to navigate convoluted directions! With this global service manual, we’re able to give the same training round the world to make sure all our technicians stay safe. Performance and target-wise we don’t distinguish between brands and expect the same safety performance when servicing all makes of turbines. Because safety comes first. It’s that simple.

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Off Grid Vs On Grid

On-Grid vs. Off-Grid Solar Power Plant.

When it comes to the topic of solar panel installation, you may have heard about the terms grid-tied (a.k.a on-grid) and off-grid solar Power Plant. These two are such important concepts to learn when installing solar power systems.

Depending on your location in India, power requirements and grid availability, you will have to choose which one to install. In this article, we will further elaborate on the differences between these two systems.

What’s the main difference between on-grid & off-grid solar systems?

The simple answer to this is that on-grid / grid-tied solar systems are connected to the main utility power lines called the grid, while off-grid systems are not. An off-grid system may require batteries and, sometimes, a back-up generator; while an on-grid system doesn’t.

In a grid-tied system, there will be a lesser number of components compared to an off-grid one. It’s simply because it does not need an energy storage device, back up generators or complex control electronics.

If you want a cheaper and simpler solar power system, you will go for on-grid system. However, in places where grid power is unstable or not available at all, off-grid solar systems will provide the electricity your appliances need.

Solar Power Plant mounted on solstrom's aluminium single module mounting structure

Top 5 Differences: On-grid Vs. Off-grid Solar Systems

On-Grid Solar Power Plant
  • Connects to utility’s grid for synchronization and operation.
  • Can export excess solar energy to the grid depending on the utility regulations, which requires approvals and documentations.
  • Does not produce solar energy when the grid is down.
  • Lower maintenance and installation costs.
  • A simple system and has less number of components.
Off-Grid Solar System
  • Does not need any connection to the power system’s grid.
  • Uses batteries to store solar energy for later use.
  • Not affected by grid failures and shutdowns.
  • Maintenance and installation costs are more expensive.
  • Can sometimes be complex but you will learn a lot more.

Grid Connected Vs Off Grid solar - Components

On Grid Solar System components

  • Solar Panels.
  • DC Distribution Box DCDB
  • Inverters
  • Module Mounting Structures
  • AC Distribution Box (ACDB)
  • Energy meter
  • AC Circuit breaker at interface point

Off-Grid Solar System components

  • Solar Panels

  • Solar Charge Controllers

  • DC Combiner Box (AJB/DCDB)

  • Batteries

  • Off-Grid/Hybrid Solar Inverters

  • AC Breakers

  • Meters (Optional)

  • Back Up Generators (Optional)


The differences between off-grid and on-grid systems are presented here in this blog post. They both have their advantages and disadvantages when it comes to cost, user preference, efficiency, and dependability. However, it is up to the homeowner, or whoever is planning to install solar panels, to do an assessment.

You may want to check how to design a solar power system here. We will be adding new tutorials using different kinds of solar PV simulation software. Here are some articles you might want to read:

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Can Solar Panels Charge a Tesla Car? – Solar Energy for Electric Vehicles EVs

The electric vehicle (EV) industry is quickly rising and Elon Musk’s Tesla is currently topping the competition. In addition to that, people who bought Tesla cars are not only fascinated by its luxurious looks and specs, but also because these allow them to go green. They are doing this by pairing the Tesla EV with solar panels.

Tesla being launched in India by 2021, India’s excited to drive Tesla.

Ather Energy is Indian Tesla for bikes is also increasing the competition for IC bikes like Honda & Yamaha for their speed and Performance

Can Ather be charged in Solar ? Yes. Solstrom, the solar Experts can give the best solutions in India.

Solstrom has solar power plant solutions for all type of Electric Vehicles and Authorized distributors  for solar with brands like Hero Electric, Okinawa, Hyundai Kona, Mahindra eVerito, Amphere & major brands

Now, let us explore more on the sustainable combination of solar energy and EVs in this article.

Ather 450X charged by solar from Solstrom

Can I charge my Tesla car with solar power?
Can I charge my Ather Bike with solar power?

This question is very common among homeowners who bought electric vehicles. Yes, you can charge your Tesla car with solar panels. A Tesla car is a vehicle that does not require a drop of gasoline to operate. It uses electricity instead to power its electric motors that drive the car’s wheels. Its electricity source is a pack of batteries that are placed safely inside this EV.

To get started, here is the list of Tesla car models and their basic details. We will be basing our calculations on the battery capacity of each one of them. Tesla cars have an average of 77.8 kWh battery capacity. The average travel range is 300 miles or 482.8 kilometers from one full charge.

How many solar panels do you need to charge a Tesla car?

To quickly answer this question, we present to you a table below detailing approximately how many solar panels you would need to charge your Tesla car. The chart below shows the approximate size of a solar PV system according to a person’s daily usage of the electric vehicle.

To cover the energy cost for EV charging with solar panels, you will need to calculate how far you would drive on average every day. You could be able to determine this if you have recorded the mileage of your car. This will then determine how much electrical energy your electric vehicle will require throughout the year. This will ultimately give you the size of the solar PV system you would need to install.

Average Daily Drive (miles) Average Daily Drive (km) System Capacity (kW) 300 Watts Solar Panels 400 Watts Solar Panels 450 Watts Solar Panels
25 to 40 40 to 64 6.25 21 16 14
40 to 60 64 to 96 9.38 32 24 21
60 to 80 96 to 129 12.60 42 32 28
80 to 120 129 to 193 18.85 63 48 42

Tesla Car charging by solstrom solar experts

Get solar for your EVs

In conclusion, buying a Tesla car or Ather bike is beneficial especially if you pair it with solar panels to charge its batteries. Solar is the obvious next step after getting an electric vehicle. It is indeed a smart move to push for solar now that there are hundreds of thousands of EV owners who are ready for the next thing.

Contact The Best Solar system experts from  SOLSTROM offering solar services across India for electric vehicle owners.

Solar Energy Pros & Cons

Learning about solar energy advantages and disadvantages is essential, especially, when you are planning to install a solar power system. Knowing the pros and cons of solar energy will be necessary before you buy and install solar panels on your property.

The balance between the benefits and drawbacks of solar energy is vital for your decision-making process. In fact, it is the key factor for people to go for solar. It also allows them to confirm if installing a solar power system is really suitable for them. In this article, we present to you the list of advantages and disadvantages that will help you balance things out concerning your solar power system.

Solar Panels installed on aluminium mini rails manufactured by solstrom

Top 5 Solar Energy Pros and Cons

  • Renewable
  • Abundant
  • Environment Friendly
  • Low Maintenance Costs
  • Saves You from Increasing Electricity Bills
  • High Initial Cost
  • Highly Dependent on Weather
  • Energy Storage is Expensive
  • Savings Depend on Electricity Costs
  • Requires a Huge Space
Solstrom has decade of experience in the field, installed from Solar Street Light to Solar farms of 100 MWs. 
Contact our experts @ 9952054308 for best solar systems

Solar Energy Advantages

Undoubtedly, the benefits that solar energy brings can easily persuade people to go for it. Knowing these will help them weigh things for the important decision. So, we have compiled below the list of solar energy advantages.

  • Source of energy (Sunlight) is readily available almost anywhere.
  • It is a clean source of energy.
  • It cuts down monthly electricity bills from electrical utilities.
  • Solar energy helps the power suppliers in supplying the electricity demands of customers.
  • It is a renewable energy source.
  • This reduces our dependence on fossil fuels or oil and gas.
  • It has diverse applications or uses.
  • Solar power gives return on investments.
  • It has low maintenance costs.
  • Solar energy can be stored in batteries for later use.
  • It can give you the ability to live grid-free.
  • It is eco-friendly or environment-friendly.
  • Solar technology enhances the value of home or building.
  • PV systems have a long system life span.
  • Solar industry creates more jobs and means of living.
  • It promotes green advocacy of individuals or companies.
  • It helps in promoting the use of electric cars and vehicles.
  • The use of solar energy reduces carbon footprints or emissions.
  • Solar technology is becoming more efficient and advanced year after year.
  • Costs of solar panels are improving and becoming cheaper.
  • Solar energy can supply power to remote areas.
  • It can be used to provide shade to rooftop equipment (AC units).
  • It does not produce noise or disturbances.
  • A Solar PV system is easy to install.
  • It can be monitored online daily or hourly.
Solstrom DCDB, Goodwe Solar inverter with Solstrom ACDB

More Solar Energy Disadvantages

Although solar power is a renewable type of energy source, it also has its own drawbacks. To be fair, we also need to write down the cons of solar energy here. People also need to see the other side of the coin. So, check out the list below for the solar energy disadvantages.

  • Starting costs can be so expensive.
  • Solar PV installation might require large area or space for the system setup or solar panel installation.
  • Shading from trees and other buildings easily disrupts solar energy generation.
  • Solar energy production is highly dependent on the weather.
  • Savings from solar energy can be dependent on the cost of electricity.
  • Improper installation might cause property damage.
  • Improper recycling of materials can cause environmental issues.
  • There is a need for a large battery bank to store solar energy to be used during night time.
  • Installing solar system is not ideal for apartments.
  • There is a potential for pollution to exist during the end of the system’s life.
  • Some solar panels are prone to breakage due to falling debris or hail.
  • There are very limited options for solar system insurance.
  • Additional insurance cost for solar equipment can be expensive.
  • There might be difficulty in finding expert installers.

Final Thought

In conclusion, going solar is definitely a huge decision to make. For people who are planning to install a solar PV system on their own homes or properties, proper research will be necessary. This will not only help them decide, but also it will let them learn about things to do and not to do when it comes to solar energy.

So, let us know in the comments section below if you have anything to add on the advantages and disadvantages of solar energy. You might also want to check more articles about solar energy here:

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Cities Must Show the Way Forward on Renewable

IRecco has received inquiries seeking clarification of job offers received in unsolicited fashion. These job offers appear to come from organisations falsely pretending to recruit on behalf, or by people…

From Niche to 100 GW Mainstream and Beyond

IRecco has received inquiries seeking clarification of job offers received in unsolicited fashion. These job offers appear to come from organisations falsely pretending to recruit on behalf, or by people…

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