Tongwei taking high-purity polysilicon capacity to 155,000MT in 2021

Facebook
Twitter
LinkedIn
Reddit
Email
The latest expansion is around 5,000MT higher than previous plans for 2021. Tongwei has a goal of achieving 290,000MT of capacity by the end of 2023.

Major polysilicon and merchant solar cell producer, Tongwei Group is adding 40,000MT of high-purity polysilicon at a cost of around RMB 4 billion (US$563 million), which is to result in its total polysilicon capacity reaching 155,000MT in 2021.

Tongwei said that the new facility in the Industrial and Trade Park of Baoshan City, Yunnan Province, China would break ground in the first half of 2020 and would be completed and put into operation by the end of November 2021. 

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

The facility is planned to cover an area of approximately 800 acres.

The 40,000MT high-purity polysilicon expansion will be dedicated to n-type mono wafer production. Tongwei added that 90% of its total production would be high-purity polysilicon in 2021. 

The latest expansion is around 5,000MT higher than previous plans for 2021. Tongwei has a goal of achieving 290,000MT of capacity by the end of 2023. 

Read Next

May 11, 2026
Chinese solar manufacturing major Trinasolar has received supply chain traceability certifications from the Solar Stewardship Initiative (SSI) for two of its manufacturing facilities in China.
Premium
May 11, 2026
Amid the PV industry's toughest downturn, JA Solar held its 2025 annual results briefing on May 6 2026, offering the market a key glimpse of when the sector may turn the corner.
May 11, 2026
Chinese solar manufacturing giant JinkoSolar has sold a majority stake in its US business to private equity firm FH Capital.
May 8, 2026
The company has formally terminated its originally planned 15GW ingot pulling and PV cell manufacturing project, redirecting its resources to the more promising lithium battery silicon-carbon anode material sector.
Premium
May 7, 2026
We spoke to Johannes Bernreuter about what Daqo New Energy's remarkable 88% sales drop in Q1 2026 means for the polysilicon industry.
May 5, 2026
PV inverter producers are adapting their manufacturing strategies to navigate changing policy and regulations, according to PV Tech Research.

Upcoming Events

Solar Media Events
May 20, 2026
Porto, Portugal
Upcoming Webinars
May 27, 2026
9am BST / 10am CEST
Upcoming Webinars
May 27, 2026
9am BST / 10am CEST
Media Partners, Solar Media Events
June 3, 2026
National Exhibition and Convention Center (Shanghai)
Solar Media Events
June 16, 2026
Napa, USA