On July 23, local media reported that Indian solar manufacturers Rayzon Solar and Navitas Solar signed five-year strategic cooperation with Caelux, an American perovskite technology company. A total of 10 GW of perovskite-crystalline silicon tandem solar modules will be developed and manufactured in India.
According to the agreement, Caelux's perovskite solar power glass will be combined with its N-type TOPCon module technology to manufacture hybrid series modules with a target efficiency of up to 28%, while the efficiency of traditional TOPCon modules is about 25%. The collaboration

with Rayzon Solar covers the production of 5G W hybrid stack modules.
Rayzon Solar is one of India's largest solar PV module manufacturers with an annual capacity of 11.31 GW at its state-of-the-art manufacturing facility in Surat, Gujarat, India. The company is also pushing ahead with the construction of a 5.1GW TOPCon solar cell manufacturing plant, which is reportedly in an advanced stage of production.
The company said it would use its 11.3 GW double-sided module manufacturing platform to integrate Caelux's perovskite-coated glass into its TOPCon module production line. The project is scheduled to achieve the goal of commercial production in 2028.

Caelux's agreement with Navitas Solar aims to manufacture 5 GW of hybrid tandem modules, which are expected to begin commercial production in 2028. Navitas Solar was founded in 2013 and is headquartered in Surat, Gujarat. Its factory mainly produces PERC and N-type TOPCon modules.
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