Tongwei increases cell prices for second time in a month as poly pricing edges upwards

Facebook
Twitter
LinkedIn
Reddit
Email
Solar cell manufacturing underway at a Tongwei facility in China. Image: Tongwei.

Solar manufacturer Tongwei increased the prices of its cells for the second time in a month on Monday, with polysilicon pricing also edging upwards this week.

While the price of mono PERC 158.75mm cells remained unchanged from previous pricing at RMB1.12/W (US$0.17c/W), prices for 166mm and 210mm cells increased by RMB0.03 and RMB0.02 respectively.

This article requires Premium SubscriptionBasic (FREE) Subscription

Unlock unlimited access for 12 whole months of distinctive global analysis

Photovoltaics International is now included.

  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Unlimited digital access to the PV Tech Power journal catalogue
  • Unlimited digital access to the Photovoltaics International journal catalogue
  • Access to more than 1,000 technical papers
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

This new price change, issued by Tongwei on 30 August 2021, represents the second time the manufacturer has increased its prices in less than a month, having previously increased prices on 12 August.

Full pricing details can be seen below.

Cell sizePrice/W (RMB) 30 JunePrice/W (RMB) 12 AugustPrice/W (RMB 30 August
210mm1.001.021.04
166mm1.001.031.06
158.75mm1.081.121.12

The below graph also illustrates the fluctuation of cell prices from Tongwei since the beginning of 2021.

Solar cell pricing from Tongwei from 25 January 2020 to 30 August 2021.

Meanwhile, polysilicon prices have crept up once again this week. Industry sources in China state that domestic silicon chips sold in the range of RMB205 – 211/kg in the previous week, with an average transaction price of RMB209.1/kg, an increase of around 1.6% week-on-week.

10 March 2026
Frankfurt, Germany
The conference will gather the key stakeholders from PV manufacturing, equipment/materials, policy-making and strategy, capital equipment investment and all interested downstream channels and third-party entities. The goal is simple: to map out PV manufacturing out to 2030 and beyond.

Read Next

April 17, 2025
ES Foundry has signed a 150MW cell supply deal with what it calls a “leading national community solar developer” in the US.
April 14, 2025
Bert Thin Films has used a copper paste on a tunnel oxide passivated contact (TOPCon) M10 solar cell with a conversion efficiency of 24%.
April 10, 2025
India has added 11.6GW and 25.3GW of annual nameplate capacity in 2024 for solar cells and PV modules, respectively.
April 8, 2025
US Customs & Border Protection (CBP) has denied Maxeon’s protests made against its detention of the company’s modules brought into the US.
April 2, 2025
India has nearly trebled its annual nameplate for solar cells from 9GW to 25GW between March 2024 and March 2025, according to the Ministry of New and Renewable Energy (MNRE).
Premium
April 2, 2025
PV Talk: “Our best chance of establishing a viable solar industry is in partnership with China,” Brett Hallam tells PV Tech Premium.

Subscribe to Newsletter

Upcoming Events

Media Partners, Solar Media Events
April 23, 2025
Fortaleza, Brazil
Solar Media Events
April 29, 2025
Dallas, Texas
Media Partners, Solar Media Events
May 7, 2025
Munich, Germany
Solar Media Events
May 21, 2025
London, UK
Solar Media Events
June 17, 2025
Napa, USA