China sets mandatory PV efficiency standards to tackle overcapacity

China has published mandatory national standards imposing tighter energy consumption and efficiency thresholds across the PV manufacturing chain. The rules cover polysilicon production, wafers, cells, modules, and inverters. They come into force on 1 January 2027.

The measure is an explicit response to structural overcapacity that has depressed module prices globally. By setting a consumption floor at each production stage, Beijing is accelerating consolidation: facilities that cannot meet the thresholds will face regulatory pressure to retool or shut. Per pv magazine, the standards are expected to reshape manufacturing economics, procurement criteria, and ultimately project-level product selection toward higher-efficiency, lower-energy-intensity equipment.

For European asset managers and procurement teams, the practical implication is a contracting supply base. Developers locking in module supply for 2027 and beyond should factor in the likelihood of tighter availability from lower-tier Chinese producers in the second half of 2026 as manufacturers front-load compliant output.