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

March 23, 2020
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. 

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

October 23, 2025
US solar manufacturer T1 Energy sold approximately 725MW of solar modules in Q3 2025, as it continues to expand US manufacturing capabilities.
Sponsored
October 23, 2025
Tongwei's rooftop-focused TNC 2.0 G12R-48 module will be among the products on show at All Energy Australia next week.
October 23, 2025
Solar PV technology has maintained its leading position as the most cost-competitive power generation source in 2025, according to analyst Wood Mackenzie.
Sponsored
October 22, 2025
LONGi vice president Dennis She discusses the value logic behind the company's strategic focus on back contact technology.
Premium
October 21, 2025
PV Tech Premium spoke with academic and industry experts about the rising tide of cybersecurity concerns in Europe's solar energy sector.
October 20, 2025
Details of tariffs on US imports of polysilicon products may be announced as early as the end of this month, according to a note from investment bank Roth Capital.

Subscribe to Newsletter

Upcoming Events

Solar Media Events
November 25, 2025
Warsaw, Poland
Solar Media Events
December 2, 2025
Málaga, Spain
Solar Media Events
February 3, 2026
London, UK
Solar Media Events
March 10, 2026
Frankfurt, Germany