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Solar Faqs Latest Questions

Avinash Yadav
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Avinash Yadav
Asked: April 9, 2025
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Roshan
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Roshan
Asked: September 3, 2024
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Jaya
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Jaya
Asked: July 3, 2024
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  • Solar Faqs Team
    Solar Faqs Team

    The additional surplus solar energy produced in rooftop solar setups in a grid-connected rooftop solar system is given to your electricity distribution company. The total number of surplus units not used by you and sent to the grid is also adjusted in your bill. So for example 100 units of surplus sRead more

    The additional surplus solar energy produced in rooftop solar setups in a grid-connected rooftop solar system is given to your electricity distribution company. The total number of surplus units not used by you and sent to the grid is also adjusted in your bill. So for example 100 units of surplus solar energy is not used by you and was sent to the grid, the electricity company while generating your bill will reduce 100 units from your total energy that used from the grid.

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Lakshy
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Lakshy
Asked: May 1, 2024
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  • Prasanna Singh
    Prasanna Singh

    The most common metric we see in use is typically $/watt or Rs/watt in India. As it says, what that means is you consider the module cost, and divide it by its nameplate capacity to arrive at a number. Thus, a 500 Watt module priced at say, Rs 8000 per module will give you a RS/W cost of Rs 16 per WRead more

    The most common metric we see in use is typically $/watt or Rs/watt in India. As it says, what that means is you consider the module cost, and divide it by its nameplate capacity to arrive at a number. Thus, a 500 Watt module priced at say, Rs 8000 per module will give you a RS/W cost of Rs 16 per Watt. While this measure works for smaller projects, you might want to consider many other factors for larger projects.

    These range from the technology you prefer (Mono PERC or TOCon or even HJT) , to rate of degradation, thermal performance etc. With larger modules in recent years, we have also seen that these are faster and easier to install, although there is an enhanced risk of breakage as well during setup.  Similarly, how these are aligned to other key suppliers like trackers (in case you have opted for them) to even the inverters matters. So make sure to consider all these factors carefully.

    Remember, cost per Watt should be your starting point, no more. Look for credible, third party validated indicators for all other key parameters, before deciding finally.

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Aman
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Aman
Asked: February 6, 2025
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  • Solar Faqs Team
    Solar Faqs Team

    TOPCon (Tunnel Oxide Passivated Contact) solar modules are considered more efficient than existing technologies like mono-PERC and polycrystalline modules. In India, the industry is gradually shifting towards TOPCon due to its higher demand and superior efficiency. While mono-PERC modules typicallyRead more

    TOPCon (Tunnel Oxide Passivated Contact) solar modules are considered more efficient than existing technologies like mono-PERC and polycrystalline modules. In India, the industry is gradually shifting towards TOPCon due to its higher demand and superior efficiency. While mono-PERC modules typically achieve efficiencies of around 20-22%, TOPCon modules can reach 23-25% efficiency. This means they can convert more sunlight into electricity, making them a more effective choice for solar projects.

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Srinivas
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Srinivas
Asked: February 21, 2025
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Uttar
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Uttar
Asked: July 8, 2024
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  • Solar Faqs Team
    Solar Faqs Team

    A cosumer cannot sell his/her electricity generated from his residential rooftop solar to any party other than the local electricity distribution company. Under the net-metering arrangement under the PM Surya Ghar the surplus energy is taken your power company and they also compensate it accordinglyRead more

    A cosumer cannot sell his/her electricity generated from his residential rooftop solar to any party other than the local electricity distribution company. Under the net-metering arrangement under the PM Surya Ghar the surplus energy is taken your power company and they also compensate it accordingly. However, in commercial projects, solar project developers earn money from solar projects. But usually to make money and profits from solar plants, you need to invest more and go through other formalities

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Mahendra
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Mahendra
Asked: January 7, 2025
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