The comprehensive details about the rooftop solar system
The method is different from country to country but the concept is the same, I will start with the Indian method then I will write about
European and American methods.
Normally we all know we are depending upon the perishable
source of energy such as coal, natural gas, hydraulic and nuclear, even though
we have the best alternative source which is available 365 days of the year,
yes, I am talking about solar energy which is abundant on our planet.
Well, the focus of our discussion is on rooftop solar system,
we all know about the solar panels, these work on the principle of the photo the electric effect, when light falls on the panel, DC current is generated, this
we will convert into alternative current called AC for use or to feed it to the
grid.
Now we will discuss the advantages and disadvantages
of on-grid solar system and hybrid (off-grid) solar system.
On-grid solar system
On-grid solar system
Electricity is generated in rooftop solar panels which are converted to ac by an inverter and then sent to the
net metering meter. This current is then utilized for self-use. If there is excess
electricity then it is sent to the power grid and if there is a deficit of electricity
then it is extracted from the grid and sent to self-use via the same meter. Finally, the difference between the produced electricity and consumed electricity will be
billed.
For example, if you used 5 units
and produce 4 units then 5-4=1 and you will be charged as simple as this.
Advantages:
There is no battery requirement. It is cheaper than an off-grid. It is simple and easy to set up. No maintenance required. We can monitor how
much electricity is generated and how much is utilized through an app.
Disadvantages:
There will be no export of electricity only when there is no power supply in the grid.
Off-grid solar system:
The electricity generated in the panel is saved in the
batteries and using inverter it is converted from ac to dc. Normally it is used
for lighting purpose.
Advantages:
This system is commonly used in places where there is
frequent power shutdown so that the stored power can be used from the
batteries.
Disadvantages:
It is difficult to run motor, air-conditioner, refrigerator,
iron box and other high power consuming devices under this setup.
In India, this system
is highly beneficial for commercial buildings, industries, and hospitals. For
residential buildings, if the electricity bill is more than Rs. 2500, using rooftop system we can reduce the electric bill to a maximum limit. The return on investment
will be around 3 – 4 years.
For Europeans and Americans, the concept is the same but the procedure is different. Even then we can assist you. Please use the comment box
of this blog and get the information. Our team is happy to assist you.
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