Solar is the cheapest form of electricity and India’s is blessed abundant with it. If your thinking about learning solar, this the blog for you to read.
Category: solar panels
Elevated solar module structure is the norm in most of residential Solar installations across Tamil Nadu and India. Learn more about it from this blog.
Are you interested in knowing how solar panels for homes can be installed? Then, you are at the right place! Due to the increased benefits that come with the solar panels, a large number of people have started installing solar panels for homes. The availability of the empty rooftops and the attractive subsidies from the government along with the contribution to pollution free environment has made solar panels for homes a reality. But the people are not quite aware of the installation process. The solar panels for homes can be installed with the help of the EPC contractors, who take care of every single step in the process or the house owners can purchase the solar panels and install them on their own. This article gives a detailed step by step process followed by the solar EPC installers while installation of the solar power plants for homes.
First things first! Understanding the nature of rooftop. The rooftop of the home is analyzed for the space, sunlight availability, shadows nearby to come up with the solar power plant design for homes. This is the crucial first step. A proper site analysis helps in development of a flawless solar power plant design. Then the power requirement of the home is studied based on the previous electricity consumption pattern. After deciding on the capacity of a solar power plant for the home, Selecting the right type of solar power system is the next step.
There are different types of solar power system installation. Off- grid solar power systems come with batteries and are a stand – alone system. Whereas, the on – grid system is connected to the public electric grids and net metering facility is fixed to keep the track of power generated and supplied to the grid. This is later adjusted in the electricity bill. Nowadays the on – grid solar power systems with net metering facility installed are the most preferred for homes. This helps the solar power plant owners to sell the excess energy. The next is the material procurement and installation phase.
Setting up solar panels for home
In setting up the solar panels for homes on the rooftop, the angle of tilt and the direction in which the solar panels will face is an important point to note. This angle and direction are the major deciding factor in determining the yield and efficiency of your solar panels. The direction of the solar panels is usually based on the hemisphere in which the location lies. A place located in the northern hemisphere of the globe should have south facing solar panel installations to get maximum sunlight. For example, India, a country in the northern hemisphere, the solar panels are south facing. As far as angle of tilt is considered, the solar panels are installed at an angle equal to the latitude of the place. All these features are decided during the site survey itself. During installation, the mounting structures are constructed based on this angle and direction.
“In setting up the solar panels for homes in the rooftop, the angle of tilt and the direction in which the solar panels will face is important ”
After the mounting structures or solar structures are fixed, the solar modules are assembled on the structures. Several solar panels are connected together based on the electricity needs of the home and the availability of rooftop space to install the solar panels. The nuts and bolts of the solar modules are fixed and fastened properly. Every single step including tightening of the bolts is important for ensuring the long life of the solar modules. If the bolts and nuts are not of good quality or not fastened properly, a strong wind will blow away the panels.
The next is the electrical wiring of the solar panels. High corrosion resistant wires are essential for proper functioning of the solar power system as a whole and also contributes to reducing loss in electricity. MC4 connectors are increasingly used in the installation of the solar panels for homes. Junction boxes and MC4 connectors are selected based on their high quality and ability to withstand diverse climatic conditions of different locations in which the solar power plants are installed. Series and parallel connection of the wires are taken care of throughout the entire installation process.
At last, the inverter for the solar panel is chosen and connected with the solar panels. as the power from the solar panels is DC (Direct Current), it has to be converted into AC (Alternating Current) for use in home appliances. Choosing and installing the right quality inverter also maintains the efficiency of the solar panels and reduces losses. The other connection like inverter to battery in case of off – grid system and connection of inverter to grid in case of on – grid system is made. This is the entire process of solar panel installation for home. The products required for installation of solar panels for homes are available at SOLSTROM. Visit our products and services pages to know more on the quality solar power plant products.
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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
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.
2. 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.
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.
4. 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.
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.
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.
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.
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.
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.
10. 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.
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 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.
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.
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”
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.
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.
Top 5 Differences: On-grid Vs. Off-grid Solar Systems
On-Grid Solar Power Plant
Off-Grid Solar System
Grid Connected Vs Off Grid solar - Components
On Grid Solar System components
Off-Grid Solar System components
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:
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.
Top 5 Solar Energy Pros and Cons
BENEFITS OF SOLAR ENERGY
DRAWBACKS OF SOLAR ENERGY
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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.
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.
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: