China Proposes Stricter Efficiency Standards for Solar Manufacturers
The draft regulations raise efficiency thresholds for TOPCon, HJT, and back-contact solar cells and modules
October 23, 2026
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China’s Ministry of Industry and Information Technology (MIIT) has proposed stricter manufacturing standards for solar cells and modules, introducing minimum conversion efficiency requirements for different technologies and setting limits on energy consumption, water usage, and module degradation.
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Arjun Joshi
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