The cost of a solar rooftop system in India can vary depending on several factors such as the size of the system, the quality of the components, installation charges, and government subsidies. Here is an estimate of the cost of 3kW, 5kW, and 10kW solar rooftop systems in India as of 2023:
3kW Solar Rooftop System:
The cost of a 3kW solar rooftop system in India can range between INR 1.5 lakh to INR 2 lakh. The price includes solar panels, inverter, mounting structure, cables, and installation charges.
The requirements for a 3kW rooftop solar system typically include:
Rooftop space: A 3kW solar system would require approximately 200-250 square feet of rooftop space, depending on the type and size of solar panels used.
Orientation and shading: The rooftop should have enough space to install the panels facing south or west direction, to receive maximum sunlight throughout the day. The roof should also be free from any obstructions that may cause shading on the solar panels, such as trees, buildings, or other structures.
Inverter: A 3kW rooftop solar system would require a solar inverter with a capacity of at least 3kW, to convert the DC power generated by the solar panels to AC power that can be used to power household appliances.
Mounting structure: A mounting structure is required to securely fix the solar panels on the rooftop. The type of mounting structure used may vary depending on the type of roof and the location of the house.
Electrical wiring: Electrical wiring would need to be installed to connect the solar panels to the inverter and to the electrical grid of the house.
Permissions and approvals: Depending on the location of the house, approvals from the local authorities may be required before installing a rooftop solar system.
It is important to consult with a qualified solar installer to determine the specific requirements for a 3kW rooftop solar system, as they may vary depending on the location, roof type, and other factors.
5kW Solar Rooftop System:
The cost of a 5kW solar rooftop system in India can range between INR 2.5 lakh to INR 3.5 lakh. The price includes solar panels, inverter, mounting structure, cables, and installation charges.
To install a 5kW rooftop solar system, you will need the following components:
Solar Panels: The size of the solar panels required for a 5kW system will depend on their efficiency and the availability of space on your rooftop. As a rough estimate, a 5kW solar system requires around 16-20 solar panels with a capacity of 300-350 watts each.
Inverter: The inverter is a critical component of the solar system that converts the DC power generated by the solar panels into AC power that can be used to power your home appliances. For a 5kW solar system, you will need an inverter with a capacity of at least 5kW.
Mounting Structure: The solar panels need to be mounted on a sturdy and durable structure that can withstand strong winds and heavy rainfall. The type of mounting structure required will depend on the type of roof you have - flat or sloping.
Electrical Wiring and Accessories: You will need electrical wiring and accessories such as DC and AC cables, connectors, and fuses to connect the solar panels, inverter, and other components of the solar system.
Monitoring System: A monitoring system is an optional component that can help you keep track of the performance of your solar system and detect any issues that may arise.
It is recommended to get professional help for the installation of a solar system to ensure that all components are installed correctly and safely.
10kW Solar Rooftop System:
The cost of a 10kW solar rooftop system in India can range between INR 4.5 lakh to INR 6 lakh. The price includes solar panels, inverter, mounting structure, cables, and installation charges.
A 10 kW rooftop solar system typically requires the following components:
Solar Panels: A 10 kW solar rooftop system would require approximately 30-40 solar panels, depending on the wattage of the panels. The panels should be of high quality and have a warranty of at least 25 years.
Inverter: An inverter is an essential component of a solar system that converts the DC electricity generated by the solar panels into AC electricity that can be used in homes or businesses. A 10 kW solar system requires an inverter with a capacity of at least 10 kW.
Mounting Structure: Solar panels need to be mounted on a sturdy and durable structure that can withstand harsh weather conditions. The mounting structure should be designed to suit the type of roof and should be installed by a professional.
Electrical Wiring and Components: The solar panels need to be connected to the inverter using electrical wiring and other components such as fuses, switches, and isolators. The wiring should be done by a licensed electrician to ensure safety and compliance with local regulations.
Monitoring System: A monitoring system allows you to track the performance of your solar system and identify any issues or maintenance needs. A 10 kW solar system typically requires a monitoring system that can provide real-time data on energy production and consumption.
Batteries (optional): If you want to store the excess energy generated by your solar system for use during periods of low sunlight or power outages, you may consider installing batteries. However, this is optional and not necessary for a grid-tied solar system
It is important to note that these prices are estimates and may vary depending on the location, quality of components, and installation charges. It is recommended to get quotes from multiple vendors and compare prices before making a purchase. Additionally, the Indian government provides various subsidies and incentives for solar rooftop systems, which can further reduce the cost of installation.
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