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We provide the best Solar Power Solutions with industry-class EPC Finance options (bank loans) for Off-Grid, On-Grid, Domestic, Institutional and Industrial Projects. We are empanelled with Ministry of New & Renewable Energy (MNRE) – TSREDCO – NREDCAP, NSIC Certified to carry on solar projects PAN India.

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    Budding Leaf Infratech Pvt Ltd #507, Riviera Apartments, Dwarakapuri Colony Punjagutta, Hyderabad - 500082, Telangana, INDIA

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    +91 998 991 1663

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    info@buddingleafinfra.com

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Solar Panel For Home | Net-Metering Systems | Budding Leaf

Residential Solar Rooftop Systems

Rooftop solar systems also known as rooftop solar power plants are readily being accepted and adopted as a renewable energy source for generating electricity by urban and rural population and how?

Solar power being the most abundant renewable energy source available accounts for the ever increasing popularity of the rooftop solar panels. Millions of homes and residential complexes in urban and rural areas are installing rooftop solar panels which are ideal for harnessing the abundant solar energy for power generation.

Installation requirements

  • Various factors need to be taken into account to install residential solar rooftop systems.
  • Nature of the roof like the orientation is important for the feasibility of the rooftop solar power panels. Exposure of the panel towards south direction is considered ideal.
  • A minimum vacant roof area of 10 square meter or 100 square feet is required for installation of 1KWp system.
  • 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 meter shall be installed for export and import of power

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

How it Works

The rooftop solar systems work by capturing and absorbing the sun’s energy and converting into electricity. Here’s how the rooftop solar systems work:

1. 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

2. These PV panels, when exposed to sunlight absorb sun’s energy

3. A chemical reaction is induced within the circuit of solar cells, releasing the electrons and turning the energy into direct electric current (DC)

4. An inverter converts this DC electricity produced by the solar panels to alternating current (AC) used in homes/ residential buildings. (Most appliances and devices run on AC power)

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

6. Excess electricity is fed to the grid

Types of Solar Power System

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Advantages of Solar Rooftop
  • Idle rooftop space utilization
  • Cheaper Electricity
  • Reduced power bills
  • Clean, green energy generation
  • Free from power cut problems
  • Additional revenue

ON-GRID/GRID-TIED/NET-METERING


On-Grid 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 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 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 solar systems allow to use grid supply when the 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. It can be used to run various appliances/devices.


The off-grid solar systems run by their own battery, thus providing the most reliable power. The beauty of such a system lies in the fact that it makes you independent of power cuts. Off-grid system is beneficial during erratic power supply, or during frequent breakdowns or in the absence of grid supply.

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FAQ’s

Frequently Asked Questions

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.


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.


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.


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.


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%.


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.