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Solar Faqs Latest Questions

Raghav Nanda
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Raghav Nanda
Asked: January 22, 2025

Do same kind of solar panels cost differently based on the brand name?

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  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on January 22, 2025 at 2:51 pm

    Yes,. This is a common practice in India. Even for the same technology—such as 540 Wp mono-PERC solar modules—different companies offer varying prices. Premium brands often charge higher rates due to their strong market reputation, extensive domestic and global certifications, and other factors.

    Yes,. This is a common practice in India. Even for the same technology—such as 540 Wp mono-PERC solar modules—different companies offer varying prices. Premium brands often charge higher rates due to their strong market reputation, extensive domestic and global certifications, and other factors.

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Avinash Yadav
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Avinash Yadav
Asked: April 9, 2025

What is the relation between TOPCOn modules and watt-peak (Wp)?

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  • Manish Kumar
    Manish Kumar
    Deputy Editor at Saur Energy International | Answer on April 9, 2025 at 6:12 pm

    TOCOn based solar modules come in high Wp. Like above 620 Wp. That means that the similar single panel can produce more energy that the conventional soalr panels. This will allow lesser requirement of land for solar projects.

    TOCOn based solar modules come in high Wp. Like above 620 Wp. That means that the similar single panel can produce more energy that the conventional soalr panels. This will allow lesser requirement of land for solar projects.

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niraj
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niraj
Asked: July 1, 2025

Do mounting structures have the same safety standards as solar panels and inverters?

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  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on July 1, 2025 at 6:28 pm

    No. While panels and inverters must meet strict certification standards, mounting structures currently lack comprehensive mandatory norms or certifications in India.

    No. While panels and inverters must meet strict certification standards, mounting structures currently lack comprehensive mandatory norms or certifications in India.

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Daulat Singh
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Daulat Singh
Asked: April 19, 2024

What is the ROI of solar panels over its lifetime?

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  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on May 6, 2024 at 5:51 pm

    Generally, rooftop solar offers an ROI of over at least 20% in most markets today. Hence, it gives a payback period of about 4-5 years. Even without any subsidy or incentives, chances are, it will pay back your investment in 7 years or less with good maintenance and a net metering regime.

    Generally, rooftop solar offers an ROI of over at least 20% in most markets today. Hence, it gives a payback period of about 4-5 years. Even without any subsidy or incentives, chances are, it will pay back your investment in 7 years or less with good maintenance and a net metering regime.

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Muhammad
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Muhammad
Asked: May 28, 2024

Which type of solar panel is best for home use in India?

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  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on May 28, 2024 at 11:09 am

    Monocrystalline panels (Mono-PERC) are the best for home use. However, advanced technologies like TOPCon has come emerged as the new choice which offers higher efficiencies but there are selected companies offering this in India.

    Monocrystalline panels (Mono-PERC) are the best for home use. However, advanced technologies like TOPCon has come emerged as the new choice which offers higher efficiencies but there are selected companies offering this in India.

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Nilam
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Nilam
Asked: June 12, 2024

What financial incentives or subsidies are available for solar system installation in India?

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  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on June 12, 2024 at 12:01 pm

    Under PM Surya Ghar, the govt gives upto Rs 78.000 for a 3KW rooftop solar system and upto Rs 30,000 per Kw for systems below 3 KW. For those going above 3 Kw there are no additional subsidies as the benefits are capped upto 3 KW. In addition to the central subsdies, you get additional subsidies froRead more

    Under PM Surya Ghar, the govt gives upto Rs 78.000 for a 3KW rooftop solar system and upto Rs 30,000 per Kw for systems below 3 KW. For those going above 3 Kw there are no additional subsidies as the benefits are capped upto 3 KW. In addition to the central subsdies, you get additional subsidies from states too. Check out your additional state subsidies from your local discom or energy department.

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Mahavir
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Mahavir
Asked: August 2, 2024

What is the main cause of inverter failure?

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  • M R Gundurao
    M R Gundurao
    Product Manager- Solar & BESS, FIMER | Answer on August 2, 2024 at 10:21 am

    Overheating, Surges & Spikes One common reason for solar inverter failure is overheating due to lack of proper maintenance. Solar inverters are often installed in outdoor environments where they are exposed to sunlight and high temperatures. Over time, this exposure can cause the internal componRead more

    Overheating, Surges & Spikes

    One common reason for solar inverter failure is overheating due to lack of proper maintenance. Solar inverters are often installed in outdoor environments where they are exposed to sunlight and high temperatures. Over time, this exposure can cause the internal components of the inverter to overheat, leading to performance degradation and eventual failure. Inadequate ventilation or improper installation can exacerbate this issue, underscoring the importance of proper system design and maintenance.

    Another factor contributing to solar inverter failure is electrical surges or spikes. These can occur due to lightning strikes, grid voltage fluctuations, or switching events within the electrical system. While inverters are equipped with surge protection mechanisms, they are not immune to damage from high-voltage transients. Investing in additional surge protection devices and implementing proper grounding practices can help mitigate the risk of damage from electrical surges.

    Components & Firmware

    Component degradation and manufacturing defects are also potential causes of solar inverter failure. Over time, the internal components of inverters, such as capacitors and semiconductors, can degrade due to exposure to heat, moisture, and electrical stress. Regular monitoring and proactive maintenance can help identify early signs of component degradation, allowing for timely repairs or replacements.

    Furthermore, software and firmware issues can affect the performance and reliability of solar inverters. Firmware bugs, compatibility issues with other system components, and software glitches can all lead to malfunctions or operational errors. Keeping inverters up-to-date with the latest firmware releases and working with reputable manufacturers can help minimize the risk of software-related failures.

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Swapanil Wakade, Ecofy

Swapanil Wakade, Ecofy

    Sai Charan Kuppili, Jinko Solar

    Sai Charan Kuppili, Jinko Solar

      Manjunath AR Global Product Manager, Fimer

      Manjunath AR Global Product Manager, Fimer

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