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Q 1. What is a rooftop solar power system?

A rooftop solar power system is a broad term that encompasses various types of solar power systems, including On-grid, Off-grid, and Hybrid systems. Typically, when we refer to a rooftop solar power system, we mean a system that is installed on the roof of a building to capture sunlight and convert it into electricity. This type of system is often referred to by different terms, such as rooftop solar, solar PV system, rooftop solar panel system, and more. It’s a versatile solution that utilizes the space on rooftops to harness solar energy for electrical generation.

Q 2. How does a rooftop solar system work?

Solar panels on the roof will absorb the sunlight and convert it to direct current (DC) electricity. An inverter then converts DC electricity into alternating current (AC).

Q 3. Which types of solar power systems allow you to sell excess electricity to the Electricity board?

You can sell excess electricity to the Electricity board in two types of solar power systems:

On-grid Solar Power System: In an on-grid system, you can send any surplus electricity generated by your solar panels back to the power grid. This excess power is typically credited to your account, allowing you to offset your electricity bills or earn income.

Hybrid Solar Power System: Hybrid systems combine solar panels with energy storage (usually batteries). With a hybrid system, you can store excess energy and also sell it to the power grid when it’s not needed for your own use, providing an additional source of income

Q 4. What happens during power outages with a rooftop solar system?

Most rooftop solar systems are designed to shut down during a power outage for safety reasons. However, systems with battery storage can provide backup power during outages.

Q 5. What size solar system do I need for my home?

It depends on the consumption of your electricity.

Q 6. What is the payback period for a rooftop solar system?

The payback period varies depending on factors like your energy usage, system cost, and available incentives. On average, homeowners can expect a payback period of 5 to 10 years.

Q 7. Do rooftop solar systems require maintenance?

Solar panels are generally low-maintenance. Occasional cleaning to remove dirt and debris is usually sufficient. Inverters may need occasional maintenance or replacement.

Q 8. Are there any government incentives or tax credits for installing rooftop solar panels?

Many regions offer incentives, tax credits, or rebates to encourage solar panel installations. Research local and national incentives to see what’s available in your area.

Q 9. How long do rooftop solar panels last?

Most rooftop solar panels come with warranties ranging from 20 to 25 years. However, they can continue to generate electricity well beyond that timeframe.

Q 10. How much does a rooftop solar system cost?

The cost of a rooftop solar system can vary depending on the power system you choose and your energy consumption needs. Prices may differ depending on your location, the solar power system manufacturer, or the supplier you select. With so many options in the market, it’s important to consider the reputation of the manufacturer, their service in the market, and their responsiveness to customers. Typically, you cannot buy directly from the manufacturer but instead must go through a local supplier. At Solarclue, you’ll find a variety of branded sellers, from Waaree to Tata Solar.


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At SunGrid Solar, we are dedicated to ushering in a sustainable future through innovative solar solutions. With a passion for renewable energy and a commitment to excellence, we specialize in providing end-to-end solar EPC services tailored to meet the unique needs of our clients.

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