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1. What is Solar Power?

Solar power is the conversion of sunlight into electricity, either directly using Photo Voltaic (PV), or indirectly using concentrated solar power (CSP). Concentrated solar power systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. Photo Voltaic convert light into electric current using the photoelectric effect.


 2. What is the difference between CSP & PV?

CSP needs Heat Energy from the sun which is concentrated on a concave reflective surface to heat water & converted to seam & electricity is generated. In PV No heat is needed, Light Energy from sun is used to generate electricity instantly using photoelectric effect.


3: What are the different types of PV system?

There are two types of PV system, Grid Connected & Off Grid System.

Grid Connected: The power generated by the system is used directly without any battery backup.

Off Grid : The power generated by the system is used & the excess power is stored in batteries using battery bank, which can by later used during power cuts & during night time..


4: What are the main components of off grid PV system?

The below mentioned parts are the main components of an Off Gris Solar PV system.

a: Solar PV Modules

b: Solar Inverter (PCU – Power Conditioning Unit)

c: Solar Batteries.


5: How does an Off Grid Solar PV system works?

When sunlight falls on the panels, they convert the sun light to DC current using photoelectric effect, that DC power is sent to the Solar Inverter (PCU) where conditions the incoming DC power & send it to the Battery bank to charge the Battery. After the battery is charged, the DC current from Battery flows again to the PCU which converts the DC to AC & that AC Current is sent to the loads (lights, fans, Television, Computers Etc..). See the below image for a pictorial view.



6: How much power does my household equipment consume ?



 1. How much sun do solar system need?

Sunlight is important for solar, but even cloudy areas are great for solar energy. It doesn’t matter as much where you live, As long as your roof is free of shade and faces the South you’ll get plenty of sunshine for panels.

2. How much roof space does solar system need?

On average, for every kilowatt (kW) installed, a home solar system takes up about 80 square feet.

3. Should I install solar power system on my house?

Going solar can be a very smart financial choice, depending on your home and how much you’re currently paying for power. It will help you save upto 80% of your Electricity Bill.

4. How many Watts of solar system do I need for my home?

The size of your solar system depends on a number of factors:

  • How much electricity your home uses
  • Shadow free roof space that is available.

In general, your solar system will not be designed to offset 80% of your electricity needs. This is because it makes more financial sense to get some of your electricity from solar energy and the rest from the Electricity Board.

The easiest and most accurate way to figure out the exact solar System Capacity for your home is by getting a free solar consultation. Contact our marketing person for more details.


5. How do I get power at night with my solar power system? 

Although Solar system doesn’t produce any electricity at night, a process called Battery Backup allows you to benefit from the day’s production.

During day time the power produced by the system is used by the load, the excess power generated by the system will be stored by using a battery bank (a group of Lithium ion batteries either connected in series or parallel), which can be used later to power your electricity need during night.

6. How long will a home solar power system last?

Most home solar power systems are predicted to last between 25 and 35 years. Solariz Green Power’s System is said to last for 25 years. The inverter will need to be replaced in about ten years. If you go solar with SGPL, we’ll take care of all repairs and inverter replacements for the lifetime of your agreement.

7. How frequently should I clean my panels?

The solar electricity your panels produce will naturally vary depending mostly on the season and number of daylight hours. Most dust that gets on your panels will significantly reduce your solar energy production by 5% to 15%. It’s best to clean your panels twice a week just by using clean water.

8. What happens when it rains? 

It doesn’t have to be completely sunny for your panels to produce electricity. In bad weather, your panel production won’t be 100%, but your panels will still be producing power. On a cloudy day, your panels might produce 30% of what they normally would.

9. If the power goes out, will my home solar power system keep producing electricity?

Yes, if it is on day time. During night time power shut down the battery bank will provide your electricity needs.


10. How does SGPL work?  

SGPL makes solar easy and affordable. SGPL designs the system and install it. And SGPL actively monitors your panels, provides insurance, and makes any necessary repairs for 1 Year from teh day of installation. Learn more about How SGPL Works.


11. How much does a Solar power system cost? 

SGPL provide home solar, the price of a solar power system is fixed by the government of India & MNRE. We, Solariz Green Power is continuously pushing the limits to provide the system for a very competitive price.

If you want to find out how much you can save by going solar, get a free solar quote or give us a call at +91 9500008822.

12. Can I Increase the Capacity of my system later?

Yes, Increasing the Capacity of the system is possible. It’s better to size your system correctly the first time, which is why your solar installer will make sure they understand your current usage and any reasons that your usage might change in the near future.

13. Who installs my solar power system when I choose to go solar with SGPL?

SGPL selects the best solar panel installers in each local market to do all our system installations. Our solar system installers have local knowledge and extensive experience, and we maintain a high bar for quality control so that you can be assured your installation will be managed smoothly.

 15.  Where is SGPL available? 

SGPL is currently available in Chennai, Madurai & Rajapalayam, But we extend our services to Tirunelveli, Coimbatore, Tanjavur, Tuticorin, Trichy, Srivilliputhur. Our service zones are extending day by day.

16. How do solar photovoltaic (PV) panels work?

 Solar panels use layers of special materials called semi-conductors that create electricity when exposed to light source. There are different types of solar panel construction. Some panels tend to perform better in high temperatures and low light situations.

17. Will it help the environment if I get solar power?

  It is s Clean & Green Energy. Solar power generation produces no greenhouse gas emissions or air pollution that causes global warming & affects the environment. And Yes, By installing a solar energy system you are helping the environment to be more clean and green place to live in.

18. What Government subsidies are available for solar power?

 The Government of India provides a subsidy of 30% of the guideline value for solar power in homes, community organisations and

small Businesses through the Ministry of New & Renewable Energy (MNRE). In addition to this the Tamilnadu Government has announced INR 20,000/ KWp of system installed which will be distributed directly to the customer via Tamilnadu Energy Development Agency (TEDA).

19. How long will it take for get back my returns of the investment?

The payback period of a solar power system varies widely depending on what type of consumer you are , domestic or commercial. For example If you are a domestic customer & your system capacity is 1 kWp, Your can system produce an average of 5 units/ day, Then your payback period is approximately 4 years. If you are a Commercial Customer that varies for example payback period will be  approximately 15 months.

20. How much electricity will I generate?

 The amount of electricity that you generate depends on the size of your system, which way it is facing, whether there is any shading from trees or other buildings and the local climatic conditions. a average generation is up to 5 kWh per day for a 1 kW In winter months the average daily generation will be less.

21. How efficient are solar panels?

 Depending on the type of technology, solar panels typically convert between 8% and 15% of the available energy. Efficiency is not the only factor for which type of panel you are best to install.


22. What is the difference between Off Grid  and Grid Tie-in System?

 An off-grid system requires a storage system for the electricity that you produce so that it will be available for times when there is no source of electricity.  This storage system is one of the main features that distinguish an off-grid system from a grid-tied system. The other is a backup generator for long periods of cloud or calm.  A grid-tied system is connected to your electrical utility company’s power grid”.  The utility is now your backup generator. In simple words off grid system is the one with battery backup & grid tie in is the one without it.

23. Will my Electricity bill be reduced after I start using Solar Energy & How much?

 Yes, a considerable amount of reduction on your EB will happen, but that is purely dependent on how efficient your system is working & how much electricity you use. In an average you can save upto 50% of your EB bill once you start using solar energy.

24. What should I look for in choosing a solar power system supplier?

Many companies sell and install solar PV systems, including some electricity retailers. Always take the time to compare quotes and do your background research. Do not allow yourself to be pressured into an on the spot sale. When comparing quotes from different suppliers you should check for:

  • The best price of the system
  • The payment structure including any deposits required, upfront payments, instalments etc
  • Does the price include installation?
  • The size of the system and the inverter and what will best suit your needs
  • Contract conditions and warranties on all parts of the system and on the labour to install
  • Whether the company supply IEC approved & Good Quality product.
  • How long will it take to get your system installed?
  • After-sales service in case you have problems with the system Installation

25. What is the process for installing solar roof top PV system if I choose Solariz Green Power?

 Solariz Green Power has completed more than 100KW Solar Roof top PV system at various locations in Tamilnadu. Our customers are highly satisfied with our product & our services. Solariz Green Power Pvt Ltd. is an enlisted vendor of TEDA/ MNRE; our systems are capable of obtaining MNRE subsidy. Our Process include

  • Site Analysis and validation of existing structures for roof-tops.
  • Mounting structure design and Engineering
  • Load Calculation & power distribution analysis.
  • Sizing of solar modules, inverters & system components.
  • Detailing of cabling system, earthing and lightning protection system
  • Supply, Hoisting & positioning of structures.
  • Testing and commissioning of solar power plant
  • Post commissioning monitoring, operations and maintenance support.


26. How long will the installation of solar system take?

 The actual installation process should only take 2 days to install and commission the system. However in some cases it may need more than 2 days considering the system capacity & site conditions.

28. Will my power be interrupted during installation?

 Your power might need to be switched off for short period during installation when the electrician

Connects the electrical components.

29. My landlord wants to install solar power. How will this affect me?

 If you pay the electricity bills for that property, the installation of solar power should reduce your bills.

30. Who do I talk to if there is a problem with my solar power system?

The installation of solar power involves a number of steps. The steps for resolving problems depends on which component you experience the problem. In all cases your first step should be to talk to our service engineer about what is the Problem, From when you are facing the problem etc., Your solar power supplier should have a good overview of the process of installing solar system and should be able to assist you in resolving the problem. If the problem persists they will visit your site and check the entire system for any problems & errors, if found they will rectify it. In addition to that we have a routine maintenance activity planned for each & every site.

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