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Solar Module

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Manohar Sharma
  • -2
Manohar Sharma
Asked: December 15, 2025

What Are The Differnt Types of Encapsulants Available?

  • -2
  • Manish Kumar
    Manish Kumar
    Deputy Editor at Saur Energy International | Answer on December 15, 2025 at 2:02 pm

    In India, solar manufacturers mainly use three types of encapsulants: EVA, POE, and newer TPO or hybrid co-extruded materials. EVA is the industry workhorse because it is affordable and offers good clarity, but it can yellow over time and is more vulnerable to moisture and PID, especially in hot andRead more

    In India, solar manufacturers mainly use three types of encapsulants: EVA, POE, and newer TPO or hybrid co-extruded materials. EVA is the industry workhorse because it is affordable and offers good clarity, but it can yellow over time and is more vulnerable to moisture and PID, especially in hot and humid regions. POE has become popular for advanced modules like TOPCon and HJT since it provides stronger protection against moisture and PID, along with better long-term reliability, though it costs more and takes longer to laminate. Newer TPO and hybrid films try to offer the best of both worlds, combining EVA’s ease of processing with POE’s durability, but they are still developing and sometimes face supply or consistency issues. Overall, all these encapsulants serve the essential job of shielding solar cells from weather, UV light, and electrical stress, with manufacturers choosing based on climate needs, technology type, and cost-performance balance.

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Shubham
  • 2
Shubham
Asked: November 27, 2025

Does ALMM-II for Solar Cells Give Us the Complete Picture?

  • 2
  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on November 27, 2025 at 5:09 pm

    No. The Approved List of Models and Manufacturers (ALMM) for solar cells, issued by MNRE, does not fully reflect the entire Indian solar cell manufacturing landscape. The list covers only those facilities that have applied for inclusion and undergone MNRE inspections. As a result, newly operationalRead more

    No. The Approved List of Models and Manufacturers (ALMM) for solar cells, issued by MNRE, does not fully reflect the entire Indian solar cell manufacturing landscape. The list covers only those facilities that have applied for inclusion and undergone MNRE inspections. As a result, newly operational factories or manufacturers that have not applied for verification may be missing. For instance, in the first ALMM list for solar cells, several notable manufacturers were absent due to such procedural gaps.

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Digesh Trivedi
  • 10
Digesh Trivedi
Asked: November 24, 2025

What is DCR and Non DCR

  • 10
  • Manish Kumar
    Manish Kumar
    Deputy Editor at Saur Energy International | Answer on November 24, 2025 at 4:22 pm

    Currently, in India, two types of modules are used in solar projects: DCR (Domestic Content Requirement) modules and non-DCR modules. As per government mandates, most government-backed projects are required to use DCR modules. DCR modules are those manufactured using solar cells produced domesticallRead more

    Currently, in India, two types of modules are used in solar projects: DCR (Domestic Content Requirement) modules and non-DCR modules. As per government mandates, most government-backed projects are required to use DCR modules.

    DCR modules are those manufactured using solar cells produced domestically. This means that any solar module made using solar cells manufactured within India qualifies as a DCR module.

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Mustafa
  • 9
Mustafa
Asked: December 5, 2024

What is ALCM for solar cells and how it can affect India?

  • 9
  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on December 5, 2024 at 10:20 am

    ALCM refers to the Approved List of Cell Manufacturers (ALCM). The Ministry of New and Renewable Energy (MNRE) recently issued a draft proposal to impose ALCM from April 1, 2027. The imposition of ALCM will ensure that the solar module makers in India have to mandatorily use only Made in India solarRead more

    ALCM refers to the Approved List of Cell Manufacturers (ALCM). The Ministry of New and Renewable Energy (MNRE) recently issued a draft proposal to impose ALCM from April 1, 2027. The imposition of ALCM will ensure that the solar module makers in India have to mandatorily use only Made in India solar cells from local players. The move has now encouraged a lot of solar module makers to start their own solar cell lines. The move is likely to halt the entry of cheap solar cells from China and other countries.

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Monu
  • 3
Monu
Asked: October 16, 2025

For hybrid rooftop solar, do we need lithium-ion batteries or any other ones?

  • 3
  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on October 16, 2025 at 3:44 pm

    For hybrid rooftop solar connections, both lithium-ion and lead-acid batteries are available. Lead-acid batteries come at a lower price than their lithium counterparts. However, lead-acid batteries have a shorter lifespan and typically come with lower warranty periods compared to lithium-ion batteriRead more

    For hybrid rooftop solar connections, both lithium-ion and lead-acid batteries are available. Lead-acid batteries come at a lower price than their lithium counterparts. However, lead-acid batteries have a shorter lifespan and typically come with lower warranty periods compared to lithium-ion batteries. In India, due to their lower cost, lead-acid batteries remain in demand.

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Shandar
  • -3
Shandar
Asked: September 3, 2024

How much solar power a 3 Kw can produce everyday in a rooftop solar system?

  • -3
  • Manish Kumar
    Manish Kumar
    Deputy Editor at Saur Energy International | Answer on September 3, 2024 at 11:42 am

    Usually in a residential rooftop project, a 3 Kw rooftop solar can ideally generate upto 10-12 units per day. The daily generations are usually dependent on the local weather. Usually when there is good sunlight throughout the day, you can get the best generation (if your solar panels are clean). DuRead more

    Usually in a residential rooftop project, a 3 Kw rooftop solar can ideally generate upto 10-12 units per day. The daily generations are usually dependent on the local weather. Usually when there is good sunlight throughout the day, you can get the best generation (if your solar panels are clean). During clouds, rains, the generations reduces. So a system which can generate around 12 Kw per day can also generate 5 kw or 7 Kw during clouds/rains. The generation also varies season to season, depending on the quality of sunlight and availaility of sunlight.

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Rashi
  • -9
Rashi
Asked: July 4, 2025

How do I ensure my rooftop system is safe during the monsoon?

  • -9
  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on July 4, 2025 at 5:22 pm

    Get pre-monsoon inspections done every year. These should include checking: Mounting bolts for looseness Waterproofing around roof penetrations Electrical connections for corrosion Proper drainage and grounding

    Get pre-monsoon inspections done every year. These should include checking:
    Mounting bolts for looseness

    Waterproofing around roof penetrations

    Electrical connections for corrosion

    Proper drainage and grounding

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Chandra
  • -1
Chandra
Asked: July 9, 2025

Why do some rooftop solar systems blow away in storms?

  • -1
  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on July 9, 2025 at 5:21 pm

    This usually happens due to: Use of substandard or uncertified mounting structures Lack of audits post-installation Low-cost shortcuts taken by untrained installers

    This usually happens due to:

    Use of substandard or uncertified mounting structures
    Lack of audits post-installation
    Low-cost shortcuts taken by untrained installers

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Drishya
  • 3
Drishya
Asked: July 3, 2025

What wind speed should a solar mounting system withstand?

  • 3
  • Solar Faqs Team
    Solar Faqs Team
    Team of Solar Faqs | Answer on July 3, 2025 at 3:43 pm

    Ask if your structure is designed to withstand wind speeds of at least 150 kmph, especially in high-risk areas like North India.

    Ask if your structure is designed to withstand wind speeds of at least 150 kmph, especially in high-risk areas like North India.

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niraj
  • -3
niraj
Asked: July 1, 2025

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

  • -3
  • 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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      Manjunath AR Global Product Manager, Fimer

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