Tongwei Solar’s Meishan solar cell production base becomes largest in the world

Facebook
Twitter
LinkedIn
Reddit
Email
When Meishen Phase 1 started operating last year, the facility was the single largest cell plant.
Tongwei Solar’s Meishan solar cell production base Phase 1. Image: Tongwei Solar

Major polysilicon and solar cell producer Tongwei Group has begun ramping the final cell lines at its 15GW Meishen production hub in Sichuan Province, with the facility now the largest single site for solar production in the world.

Located in Ganmei Industrial Zone, Meishan, its subsidiary Tongwei Solar started construction of the first phase 7.5GW plant in March 2019 to house 16 fully-closed intelligent high-performance solar cell production lines. Phase 1 went into production in April 2020.

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

At the end of February, 2021 Tongwei Solar produced the first solar cells in its neighbouring Phase II expansion of the same capacity and size, making it the largest solar cell operating hub in the world.

Tongwei chairman Xie Yi inspects equipment debugging in February 2021. Image: Tongwei Solar

However, in February 2020 Tongwei Solar also announced plans for a new solar cell manufacturing hub in Jintang County, Chengdu which would be built in four phases over three to five years and would have a nameplate capacity of 30GW.

The Jintang Phase I (7.5GW) started construction on 25 February 2020 and is expected to produce a range of cells, including p-type mono PERC+, N-type mono TOPCon and Heterojunction solar cells.

Major polysilicon and largest merchant solar cell producer, Tongwei Group has begun ramping the last cell lines at its 15GW Meishen production hub in Sichuan Province, the largest single site for solar production in the world. Image: Tongwei Solar

Read Next

August 21, 2026
Daqo New Energy reduced its losses in Q2 2026 and increased its revenues, largely by resuming polysilicon sales below the cost of production.
August 19, 2026
A patent infringement lawsuit filed by Maxeon against Canadian Solar has been dismissed with prejudice in the US Federal District Court.
August 18, 2026
Risen Energy has signed an MoU with Ascania Energy to deploy 100MW of solar PV capacity and 200MWh of utility-scale batteries in Ukraine.
August 17, 2026
China’s polysilicon market saw no new transactions last week, with quoted prices remaining at the previous week’s baseline.
August 10, 2026
Eight leading Chinese polysilicon producers have signed a joint initiative pledging unified action on standardised pricing, energy conservation, carbon reduction and outdated capacity phase-out.
August 5, 2026
JinkoSolar, LONGi Green and Canadian Solar shared views on China's mandatory PV efficiency standard that will take effect from next year.

Upcoming Events

Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain
Solar Media Events
November 24, 2026
Warsaw, Poland
Solar Media Events
February 2, 2027
London, UK
Solar Media Events
April 20, 2027
Istanbul, Türkiye