TaiyangNews PV Price Index: CW 21 2026

Calendar Week 21 extended the declining trend in the TaiyangNews PV Price Index. 

Prices fell for 3 of the 4 listed polysilicon types, with n-type, 9N, and granular silicon declining by 1.4%, 3.0%, and 4.3% week-on-week (WoW), respectively.

Wafer prices remained flat for the third consecutive week. 

The cell category recorded its first declines in 5 weeks, with n-type 210 mm and bifacial 210R both falling by 2.9% WoW. 

China Project Prices for all 3 listed variants declined WoW, ranging from 0.7% to 2.0%. 

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 continued to weaken in CW21. Polysilicon and wafer products have now declined by at least 23% year-to-date (YtD), while cells and solar glass are down between 7.5% and 14.8%. Modules remain the only segment still in positive territory so far in CY2026. 

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.