Residential Solar Rooftop Systems

Rooftop Solar Systems also known as Rooftop Solar Power Plants, which is an alternative form of Renewable Energy, is now readily being accepted and adopted for generating electricity by urban and rural population

Solar Energy is by far the most abundant Renewable Energy Source which is the reason behind it gaining popularity in cities and villages alike. Millions of homes and residential complexes are now installing Rooftop Solar Panels which are ideal for harnessing the abundant solar energy for power generation. Read below to know more about how to install Rooftop Solar panels for Home or Residential Use.

Installation requirements

To install Rooftop Solar System, the following criteria need to be met:

The dimensions and the structure of the roof are crucial for feasibility of Rooftop Solar Power Panels. The ideal scenario if solar panels should be installed facing the south.
A minimum of 100 square feet area is required at the roof for installation of solar panels producing power up to 1KW.
The standard equipment as per the norms of MNRE/TSSPDCL/DISCOM shall only be installed to avail subsidies or grid-connectivity.
The consumer shall have 1 phase/ 3 phase supply service connection.
A single Bi-Directional Net-Meter shall be installed for export and import of power

Cost of Rooftop Solar on Grid System from 1-10 KWp with Subsidy

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Types of Solar Power System

ON-GRID/GRID-TIED/NET-METERING

On-Grid Rooftop Solar Systems can actually reduce your monthly electricity bill! Since on-grid systems are incorporated with main grid supply, the power generated using solar energy during the day can be used and consumed by powering appliances and devices in homes as per the need. The excess solar electricity produced can be fed back to the grid. During night hours or cloud cover, the power can be drawn from the grid.

The grid-tied solar systems work on Net-Metering technology. In such systems, a Bi-Directional electricity Net-Meter installed in your homes or residential complexes records the power used, excess power exported to the grid and power imported from the grid.

If the electricity import from the grid, besides your power consumption from the solar electricity is more, you pay to the electricity board. But if the export of your solar power to the grid exceeds at the month-end, the board pays you the compensation.

The On-Grid Rooftop Solar Systems allow use of grid supply when Solar Power is not able to generate required electricity – during night or cloud cover. Otherwise, you can easily consume power without using grid supply and thus cut down on your electricity expenses.

Interestingly, this system can not only help you reduce your electricity bill but can help you earn money.

OFF-GRID

Rooftop Solar Panels can either be grid-connected or off-grid. The ‘off-grid’ Rooftop Solar Systems are not linked to the main grid but with battery storage. The electricity generated by the solar panels is stored in the battery system attached to the panels. This stored electricity can then be used to operate household devices and appliances.

The off-grid Solar Systems run by their own battery making it extremely reliable source of power. The main advantage of such a system can be advocated by the fact that it makes you independent of power cuts. Off-grid system comes to the fore during load shedding or when living in remote areas where power cut is quite frequent.

How it Works

1. The mechanism of working of the solar panels is that it absorbs the sunlight as a source of energy and then converts it into electricity.

2. The solar panels are composed of many solar cells – which are photovoltaic (PV). This is the reason why solar power panels are also referred as solar PV panels

3. It is these panels that absorb sunlight

4. Once solar energy is completely absorbed, a chemical reaction is triggered within the solar cells which release electrons coverts solar energy into direct electric current (DC)

5. An inverter then converts Direct Current produced by the solar panels to Alternating Current (AC) used in homes/residential buildings, as majority of household devices run on Alternative Current

6. A bi-directional meter measures energy used and excess energy produced

7. Excess electricity is fed to the grid

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Trusted name in solar energy. Great team and dedicated staff. Strength of Budding Leaf lies in its experience

Sathviks

Hyderabad

Your guys were knowledgeable, experienced and efficient. Would highly recommend Budding Leaf to everyone for all kinds of solar energy solutions.

Govind Modi

Gujarat

They provide reliable, efficient and effective Solar Energy Solutions which are technically viable for long term

Vineeth

Bandlaguda

FAQ’s

Frequently Asked Questions

Q:Where can solar rooftop systems be installed?

Solar rooftop systems can be installed on the terraces or roofs of housing societies, residential complexes, commercial and industrial establishments, community centers, educational institutions and government organizations.

Q:How much roof area is required to install solar PV system?

The efficiency of the solar rooftop system essentially depends on the shade-free area for the panel installation. It is essential to set up solar panels at the places receiving sunlight throughout the day. As a rule of thumb, you would need about 10 square meter or 100 square feet of shade-free area for installation of 1KW capacity solar system.

Q:If I install a solar rooftop system at my place, how long will the solar panel last?

Solar rooftop systems generally come with at least 20 years of warrant but can easily last for up to 25 years and can even work longer, if maintained properly. The solar PV systems are subject to minimal physical damage as they don’t have moving parts. However, they are prone to wear and tear and typically known to degrade by about 1% each year.

Q:What is the average cost of grid-connected solar rooftop systems?

Including the installation charges, a grid-connected rooftop solar system can range between Rs. 45,000-50,000 per kWp (kilowatt peak), while off-grid solar rooftop system costs around Rs one lakh per kWp.

Q:How does solar panel work on an overcast day?

Solar-powered rooftops do not require direct sunlight for their functioning as the electricity generated is stored in a battery to be used as required. For grid-connected solar rooftops, the system works even during the overcast weather. The efficiency, however, gets reduced to about 70%.

Q:What kind of financial assistance is provided by the government?

A subsidy is provided via state renewable departments and MNRE. Going by the current MNRE guidelines, Central Financial Assistance (CFA) subsidy is provided for the grid-tied solar systems. There is a provision of CFA of upto 30% of the benchmark cost for general category states and CFA of 70% of benchmark cost for states including Sikkim, Uttarakhand, Himachal Pradesh, Jammu & Kashmir, Lakshadweep, and NE states.

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Residential Solar Rooftops

Residential Solar Rooftop Systems

Installation requirements

Cost of Rooftop Solar on Grid System from 1-10 KWp with Subsidy

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