Kosol Energie has introduced n-type TOPCon glass-to-glass (G2G) solar modules engineered for long-term reliability and enhanced durability under harsh weather conditions, including heavy monsoons and severe hailstorms.
According to the company, the modules are built using half-cut M10R, G12R and G12 cells and are available in power outputs of 600 Wp, 620 Wp, 630 Wp, and 715 Wp. The company said the modules will also be offered in Bureau of Indian Standards (BIS)-certified domestic content requirement (DCR) configurations based on M10R, G12R and G12 cell formats with 132 half-cut cells for the Indian market.
Kosol said the modules have been qualified for 35 mm hail impact testing, exceeding the 25 mm hail diameter specified under the IEC 61215:2021 qualification standard. The modules have successfully undergone testing at a National Accreditation Board for Testing and Calibration Laboratories (NABL)-approved IEC laboratory, demonstrating enhanced resistance against glass damage and microcracks caused by hail impact.
The modules feature thermally tempered high-strength solar glass, providing improved mechanical strength and impact resistance. Their glass-to-glass (G2G) architecture offers enhanced protection against moisture ingress, environmental stress, and long-term degradation while improving overall module reliability.
To further strengthen durability, the modules utilize higher GSM POE (Polyolefin Elastomer) encapsulation, offering additional cushioning to solar cells during transportation, vibration, thermal cycling, and hail impact. The advanced encapsulation technology helps minimize mechanical stress, ensuring sustained module performance throughout its operational life.
Additionally, the modules feature high-transmission anti-reflective coated (ARC) glass, enabling greater light absorption and improved energy generation while maintaining high conversion efficiency under diverse climatic conditions.
“The future of solar energy depends not only on higher efficiency but also on long-term reliability under increasingly challenging weather conditions,” said Kalpesh Kalthia, chairman and managing director, Kosol Energie. “Our enhanced n-type glass-to-glass modules are engineered to deliver exceptional durability, helping customers maximize energy generation while reducing long-term operational risks.”
Kosol Energie is a solar EPC and module manufacturing company in India, delivering end-to-end solutions across utility-scale, commercial & industrial (C&I), residential, and agricultural segments. The company is recognized among the Grade-A Top Tier-1 Global Solar Manufacturers 2025 by Wood Mackenzie, and has supplied over 3 GW of PV modules to the Indian market as well as international markets.
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