'The end of an era': China enforces mandatory rule to cull inefficient solar panels, signals end of ultra-cheap PV price wars

Cattles grazing in a solar powered ranch.

• Three mandatory standards now cover China's entire solar manufacturing chain
• Rules take effect January 1, 2027, across polysilicon, wafers, and modules
• Older polysilicon facilities face pressure to upgrade heat recovery systems

China is preparing a major reset of its solar industry by introducing mandatory energy rules that could remove inefficient production capacity.