Please contact us if you cannot find an answer to your question.
To ensure that the generation from your Solar PV system is maximized, the following should be kept in mind:
· Location (Solar Irradiation/ weather conditions)
· Plant layout
· Shading and roof orientation
· System design
· Equipment quality
· Operations and maintenance
· "My factory or school is closed over weekends."
· "My home is locked during daytime. My daytime electricity consumption is very less."
· "We switch off ACs during the day to save on electricity bills."
· "I have a 4 hours power-cut during the day."
Well, each user has a different electricity load profile. The good news is that your solar system can be customized depending on your electricity load profile, energy consumption pattern and requirements.
The Solar PV systems can be broadly categorized as: On-grid systems, which are connected to the main electrical supply in your building; Off-grid systems, which are completely off the grid (not connected to your main electrical supply) and Solar PV hybrid systems.
Each energy consumer has different needs, dependent upon the electric appliances being run. For instance, if you are powering ten 27 watt compact fluorescent light bulbs for five hours, you would need to supply 1350 watt-hours of energy (10x 27x 5 hours). In Indore, which has a yearly average insolation of 5.5 hours a day, one 330 watt photo voltaic (PV) module is more than adequate (30x 5.5 hours=1815 watt-hours).
To find out how much energy you use, Contact us we would love to help you.
Net metering is the system that utilities use to credit solar energy system owners for the electricity produced by their solar panels. With net metering, you only pay for the electricity that you use beyond what your solar panels can generate. Net metering policies differ from state to state – from Indore to Mumbai to Delhi – so make sure to do your homework ahead of time.
If you can afford to pay your electricity bill you can afford to go solar. Rs 1,00,000 -down solar financing options make it easy for homeowners with good credit to start saving on their electricity bills by going solar.
In general, solar panels are very durable and capable of withstanding snow, wind, and hail. Your system should continue to generate electricity for 25 to 35 years with very minor (if any) maintenance issues during that period.
The easiest way to find out how much you pay for electricity (and how much electricity you use per month) is to take a look at your utility electricity bill. A ARUN CHUGH SOLAR-EPC, INDORE sales representative will be happy to walk you through how to read your bill.
Every energy source has its advantages and disadvantages. Wind- and water-power generation may be appropriate in certain situations. However, these technologies are
PV modules, on the other hand, are:
Solar Panels do require cleaning. Generally, it is recommended to wash your panels in 7 to 20 days in summer, 20 to 25 days in winter. Cleaning in rainy season is less required as the rain does all the cleaning for you.
Cleaning of solar panels is as simple as cleaning your car or house windows. Just ensure that you use clean water, and soft cloth, rug. No detergent.
Every solar installation is site specific. Therefore, the layout and the design of your Solar PV system has to be determined after a thorough engineering analysis. In this exercise, things like the tilt of the solar panels, the gap between different rows of solar panels, any shadowing objects, specification of solar equipment, cable sizing, arrangement of solar panels, etc. go a long way in ensuring that that your system generation is optimized for the next 25 years.
For most Indian electricity consumers, the answer is Go Solar Now!
Solar PV system is a proven technology which reduces electricity bills and with today’s reduced capital cost of the solar system, the Levelized Cost of Solar electricity is lower than the grid electricity tariff for a lot of consumers.
Moreover, going solar helps you cut down on your electricity expenses from day one. And delaying your decision will lead to a monetary loss because you will be paying what you could have saved.
However, if your cost of grid electricity is very low, it may make sense to wait for some time. Ask ARUN CHUGH SOLAR - EPC, INDORE, Contact us, for if you should go solar now? or wait?
It takes about 6-8 weeks to install a smaller system (on Grid) and about 8-12 weeks for larger systems. However, the actual construction time at the site is much lower since almost half of the time is spent on off-site activities such as design, engineering, procurement, Inspection by DisCom MPPKVVCL Indore, commissioning, etc. In certain cases, there may be variations to these timelines on account of access to the site, rains, etc.
Not much. You just need to ensure that there is clear access to the site for movement of material and manpower and that your site is clear from any unwanted material. The solar installer may need access to power & water.
Please contact us if you cannot find an answer to your question.
Solar PV system costs vary depending on the size of the system. On an average, an on-grid system of a size up to 10kWp costs Rs. 50-74/Wp, between 10 – 100 kWp costs Rs. 35-50/Wp and above 100KWp costs Rs. 34-36/Wp systems. Taxes extra.
For utility-scale solar projects, costs can be even lower than Rs. 30/Wp. However, for off-grid systems with battery backup cost goes up significantly and lies between Rs.100 -125/ Wp
1kW Solar System Price is approx. Rs. 60,000 to Rs. 1,05,000 in India. This pricing could be vary.
The cost of the solar panel depends on the capacity of solar panel, the technology on which the panel is built, variant or model of the solar PV panel, quality, the manufacturer and the brand. The price of solar panel usually varies upon the parameters shared along with similar criteria for the other components that build up for the complete solar system. Approx Rs 26 per watt (POLY) to Rs 33 per watt (MONO), Taxes GST extra.
Yes, solar power today is cheaper than grid power for a lot of consumer categories across most states. Moreover, solar is a one time investment while grid tariff keeps increasing every year. Therefore, by choosing to go solar today, you are locking in a fixed energy price for the next 25 years.
It makes sense to evaluate your upfront system cost by converting it into Rs/ kWh (per unit cost) also known as levellized cost. That helps you compare the cost of your solar power with that from the grid.
Illustration for an average residential customer in INDORE:
A 2kW Solar PV system costs around Rs 1.40 lacs and has a life of at least 25 years with low recurring costs. This translates to a per unit levellized cost of Rs7 – 8 /kWh for the next 25 years
Lets compare this with the cost of grid power. The discom charges him slab-wise but on an average he pays Rs 6.8/kWh. And this price keeps increasing by about 5% per annum, which means you may be paying Rs 24.7/kWh at the end of 25 years. This translates to a per unit levellized cost of approx. Rs 10 – 11/kWh when compared with the 25 year life of Solar PV system.
If you do not own a Solar PV system and just buy solar power from a developer, the per unit cost will be higher as the developer will add his expenses, profit margin, cost of risk, etc. over and above the cost of the Solar PV system. Therefore your cost per unit of power under the RESCO model will always be significantly higher than the cost per unit when you own the Solar PV system.
The annual maintenance and recurring costs are almost negligible, since there are no moving parts and the input fuel (sunlight) is free. For optimum performance, the system only requires cleaning of modules and basic preventive and corrective maintenance. However, for off-grid systems where batteries are used, the maintenance costs are higher on account of battery replacement every 3-5 years. To ensure high generation and low maintenance cost, regular monitoring through data loggers is highly recommended. Typically, the maintenance costs for smaller Solar PV systems is about 2% of the initial system cost, and for larger systems is about 1% of the initial cost.
Diesel Generators (DG) are not just a highly expensive means of power generation but are also extremely damaging to the environment. And contrary to popular belief, the cost of energy from home inverters is also very high. The cost of power from a typical DG in a housing society is Rs. 17 – 18/ unit (kWh), while from a typical home inverter it is Rs. 14/ unit (kWh). In comparison, solar is a much cheaper and cleaner source of energy.
The payback period for a solar system is roughly 5-7 years, based on calculations assuming the cost of energy obtained from the utility grid is Rs 9 a kilowatt-hour.
Unless your solar energy system includes battery storage and you are fully off the grid, you will still receive a bill from your utility. However, you can dramatically reduce your bill, or even cut the amount you owe to Rs 0, with a solar panel system that matches your energy use.(although some amount of Fixed Charges, Cess etc are always payable)
When you install a solar energy system on your property, you save money on your electricity bills and protect yourself against rising electricity rates in the future. How much you can save depends on the utility rates and solar policies in your area, but going solar is a smart investment regardless of where you live.
If you own your solar energy system, your solar house will sell at a premium: studies have shown that solar increases property values.
Every solar PV panel we sell is covered by a performance warranty, usually spanning 25 years. Additionally, manufacturing warranties can cover your entire solar power system for up to 12 years. As we stock a variety of brands, warranty specifications will differ from product to product, so make sure to do your research about your specific product or ask one of our consultants in ARUN CHUGH SOLAR - EPC, INDORE, Contact Us, about it when getting your quote.
Generally, most mechanical defects are covered during the warranty period as long as they are deemed a manufacturing fault. Most suppliers also guarantee 80% power production for the first 25 years of your solar power system’s life, so dropping below this will likely guarantee replacements.
It is important to understand that warranty terms and conditions vary from supplier to supplier. Read on for more information on the different kinds of warranties.
This covers the labour component of the installation and is valid for 5 years on systems installed from January 01, 2023, onwards. Installations prior to 2023 had a 2-year workmanship warranty.
This relates to the products of the installation, such as the panels, inverter and accessories (including items such as Envoys and smart meters) with each having their own separate warranty periods. Note that some accessories are not covered under warranty, please see the manufacturer’s warranty documentation.
The performance warranty relates to the panels and can range from 10 (older installations) to 25 years (current installations). The performance is based on the linear output expected for the age of the system. Please do not hesitate to call us for all warranty queries and concerns
Your warranty commences on the date of installation, it is important to keep the tax invoice as your proof of purchase as most manufacturers will request a copy.
It is also important to note that if a product is replaced under warranty, your warranty period is not extended, i.e it remains from the date of installation until the end of the original warranty period.
In the event that you acquire a property that has a solar PV system installed, you will require a copy of the proof of purchase in order to lodge a warranty claim. Please note that some manufacturer’s do not allow for the transfer of warranty to the new homeowner
There are several types of non-warrantable faults which manufacturers exclude under warranty, which are included but are not limited to; external factors such as impact damage, lightning, willful damage, if works are carried out on the system by non-CEC accredited technicians, force majeure or extraneous events such spikes in grid voltage that damage the inverter and internal relay failure.
Interference
Many manufacturers exclude interference under warranty, due to the issue being site-specific and outside of the manufacturer's control. Interference is caused by the frequency of two products being non-compatible, please note the issue may be caused by your neighbor's products as well, so this is something to consider. The most common solution is to move the TV antennae or have an antennae technician attend site to find the source of the interference. There are in-line filters which may reduce the noise on the line, however, these may not correct the issue and may be an expensive solution. Another option may be to upgrade to the latest model communication device. Whilst we will make every effort to assist customers who experience interference it is not considered a warrantable fault as the system is operational.
Bird and wildlife proofing
Birds may nest under panels and vermin may chew on wiring which can affect the integrity of your system. In some states it is common practice to attach bird/ vermin proofing to panels on your array, you should be mindful that attachment of such proofing may void your panel warranty.
It was once common practice to install a larger inverter to accommodate more panels later, but this is no longer recommended. When you upgrade old systems, you’ll need to bring the system up to the newest installation standards. With installation standards changing regularly, this can be very costly and in many cases not viable. You’re also likely to run into compatibility issues with the new and old panels. Panels are no longer an expensive component of systems and are far easier to install in the first instance than they once were, so it makes sense to maximize panel capacity even if you won’t need this enhanced production for a few years.
If you are planning on adding more panels down the track, be mindful of your home’s available roof space. If you think you will be short on space in the future, choose a more efficient panel now to make more space available later.
Please contact us if you cannot find an answer to your question.
Solar power is harnessed using Solar Photovoltaic (PV) technology that converts sunlight (Solar radiation) into electricity by using semiconductors
Solar PV system needs light to generate electricity. If Sunlight is low, as on a cloudy day, the solar system still generates electricity but the generation is lower. This reduced generation, however, may not create any disruptions for you. If you have a grid-connected Solar PV system, electricity will be automatically sourced from the grid in case Solar PV generates less. In case of an off-grid system with battery backup, energy will be sourced from the storage battery.
When you are not at home, your solar system continues to work and run any equipment that may be switched on such as refrigerators, security systems, etc. In case your energy consumption is less than the solar system’s generation, the excess energy will be fed to the grid. To avail this feature, you should opt for Net Metering.
No, there will not be any interruption in your power supply.
No, for On-grid Solar PV systems are designed to run with grid power. Therefore the system will not be able to function if grid power is not available. This is a safety feature to avoid feeding power back into the grid while the line-men are working on the grid. If you want power from solar PV system during grid failure, you can choose an inverter that can use other sources of power like diesel generator or batteries etc.
A Solar PV system generally weighs 15 to 20 Kg per square meter. This weight can be easily borne by most roofs. Since the life of a Solar PV system is about 25 years or more, do ensure that your roof is in good condition to bear the system’s load over its lifetime.
Solar installation methodology is proven and safe. A wide range of installation techniques are available and depending on your roof type a suitable methodology can be adopted.
New solar panels have a manufacturer's warranty of 20 years. With proper care, however, the panels should last many years beyond the warranty. You can expect your solar modules to continue to produce power for maximum 60 years or more.
Solar electric systems are elegantly simple. Maintenance includes:
Some solar panels do generate more power per inch than others. For example,
New amorphous silicon panels absorb three different spectral wavelengths, which translates to up to 30% more real power per watt from the PV module. This is because the amorphous panels produce energy for longer periods each day than monocrystalline panels. This means the panels produce more amp-hours per amp than other technologies
A modified sine-wave inverter is appropriate for most standalone household applications. However, for certain technical appliances or for grid-integrated PV systems, a central sine-wave inverter or micro-inverter is necessary. In grid-integrated systems, energy can be bought and sold to the utility company by the end user.
Solar panels absorb the sun's energy throughout the day and convert it into direct current (DC) electricity. Most homes and businesses run on alternating current (AC) electricity, so the DC electricity is then passed through an inverter to convert it to usable AC electricity. At that point, you either use the electricity in your house or send it back to the electric grid.
The amount of power your solar energy system can generate is dependent on sunlight. As a result, your solar panels will produce slightly less energy when the weather is cloudy, and no energy at night. However, because of high electricity costs and financial incentives, solar is a smart decision even if you live in a cloudy city.
Southerly-facing roofs with little to no shade and enough space to fit a solar panel system are ideal for installing solar. However, in many cases there are workarounds if your home doesn’t have the ideal solar roof – east and west facing roofs can still produce enough power to make it worth it.
Solar energy systems can last for 25 to 35 years, and it can be costly to remove and reinstall them if you need to replace your roof. If your roof needs maintenance within the next 10 or so years, you should complete it before you finish your solar installation.
In short, poly means many and mono means one. In regards to solar panels this means that each solar cell is either made with one or many crystals. In general, monocrystalline solar panels are considered to be better quality, but polycrystalline panels are much more affordable.
Key takeaways: monocrystalline vs. polycrystalline
While some solar panels may look very similar, there are large differences in features and quality between products. The most commonly mentioned difference is panel efficiency. Panel efficiency helps compare how much power each panel produces for the space it occupies. If you’re short on roof space, you may want to consider higher efficiency panels as these will generally generate more power in less space.
Below are a number of other features you can expect to find in a higher quality panel:
Aside from issues arising from your installation, studies have shown that the most likely fault you’ll have with your solar PV system will be with your inverter. This means that proven reliability is paramount if solar is a long term investment for you and your home and the most assured way you’ll get this is with a better inverter.
Reliability is not determined by your inverter warranty. Many customers have been stranded by manufacturers who had poorly designed inverters, the failures (and costs) of which they couldn’t support and so they soon disappeared from the solar market. Some manufacturers have even been known to offer extended warranties as a way of enticing a purchase, however, these are of no value to the homeowner when the manufacturer is no longer operating to honour them. Manufacturers who have been in the market for a long time (e.g. Fronius) have clearly demonstrated their products are reliable and have shown they will be there to support future warranty claims or issues.
Better inverters have a superior design thanks to their manufacturer’s experience. They generate more energy thanks to better algorithms in their MPPT and are both more efficient and less likely to fail. The online portals and apps that come with them are easier to use and offer greater functionality than those produced by less experienced manufacturers. In some cases, you can even add components like a smart meter to monitor energy consumption, hot water controllers and smart home devices to optimize self-consumption.
Panel efficiency is the amount of sunlight the panel is able to convert to energy. When comparing solar panel it’s useful to determine which will produce the most power in the same amount of space, with the same access to sunlight, as well as determine what panel you actually need. The two instances that should prompt you to buy a higher efficiency panel are:
As INDIA is in the Northern hemisphere, panels facing South have greater exposure to the sun year-round. South panels will have an even production curve, peaking in the middle of the day and producing a similar amount in the morning and afternoon (assuming a shade-free, clear day).
Over an entire year, east and west panels will produce approximately 15% less than a similarly installed south panel. This is loss is not evenly distributed over the year (greater in winter, negligible in summer). This loss is also greater on steeper pitched roofs and lowers on flatter roofs, as there will be less blockage from them to the sun during different hours of the day. The production curve for these panels is also skewed to the morning for east, and afternoon for the west. In summer, south, east and west will produce a similar amount of energy. However east-facing panels will start and finish earlier than south and west-facing panels will start and finish later. This later production can be handy for most families, so you see a lot of west panels. However, in winter, east and west losses increase to approximately 30% and the benefit of earlier production on the east and later production on west no longer applies.
Northern panels can be installed, but should only be as a last resort. On a low pitch roof, say 10 degrees, you’re only going to lose about 20% compared to panels installed at 30 degrees. This varies from city to city, so speak to a consultant first before going forward. The point here is that installing north-facing panels shouldn’t immediately be discarded, particularly given the low cost of panels.
Sound a little complicated?
Don’t worry. All of quotes are custom designed for every individual roof. They factor in all variables including seasonality, pitch, orientation and present it in a simple monthly production graph. We can even do them online in a matter of hours, so get your quote today.
In most places in INDIA, the pitch doesn’t make an enormous difference provided you’re between 10 and 35 degrees. While the ideal pitch is around 20/25 degrees in most cities, you would never recoup your money in extra production by purchasing tilt frames to increase your tilt from 10 degrees to 25 (you’d be much better off spending it on extra panels). So it’s recommended you stick to your roof pitch in most cases as the difference between these pitches efficiency is largely going to be negligible.
If your roof is quite flat, (5 degrees or less) you will begin to have issues with self-cleaning. When the panels are pitched, the rain drains off the panels and most of the dirt is washed off. However, if your panels are flat, the water dries and some dirt can remain on the panels. This is a big issue, as it can cause shading on parts of the panel which can reduce performance and lead to panel damage.
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