

The TaiyangNews PV Price Index recorded declines across 3 categories in Calendar Week 25.
All 4 listed polysilicon types declined this week: n-type silicon by 1.4%, reusable by 3.1%, Chinese 9N by 3.2%, and granular silicon by 1.5%.
The wafers category was unchanged week-on-week, largely flat month-on-month, but down 23.2%-28.0% year-to-date.
In the cell segment, TOPCon 182 mm cells declined 8.1% WoW, TOPCon 210 mm was down 6.3%, and the 210R variant declined 6.5% from CW24.
All TOPCon bifacial modules, as well as China project prices across categories, declined by 0.7% to 2.7% week-on-week.
The 2 solar glass variants have remained stable since their declines of 5.1% (3.2 mm) and 10.2% (2.0 mm) in CW17.
The TaiyangNews PV Price Index continues to face downward pressure across categories. Year-to-date, polysilicon and wafer products have declined by at least 23.2%, while cells and solar glass are down by between 7.5% and 23.0%. Modules remain the only segment still in positive territory in CY2026, although gains have now narrowed to the single digits.
The data refers to average product prices in China. The data was collected by Chinese market research firm Gessey PV Consulting.
Disclaimer: TaiyangNews does not guarantee reliability, accuracy or completeness of this price index’ content. TaiyangNews does not accept responsibility or liability for any errors in this work.