Longi Silicon enters monocrystalline module partnership with ET Solar

Facebook
Twitter
LinkedIn
Reddit
Email
Longi Silicon Materials has signed a cooperation contract with China-based PV module manufacturer and EPC firm, ET Solar to champion monocrystalline technology and products globally. Image: ET Solar

The largest dedicated and integrated monocrystalline product producer Longi Silicon Materials has signed a cooperation contract with China-based PV module manufacturer and EPC firm ET Solar to champion monocrystalline technology and products globally. 

Billed as a joint venture (JV) both companies said they would leverage their respective expertise and advantages in technology, development, products, branding and sales channels in relation to all aspects of monocrystalline technology.

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

Xinghua Wang, chairman of ET Solar said, “Through this cooperation, ET Solar and LONGi will complement each another, forming a compatible and efficient alliance that combines the upstream and downstream sectors of the solar industry.”

Longi Silicon Materials, originally an upstream monocrystalline ingot and wafer producer has progressively moved downstream to include solar cell and module production via acquired and expanded Lerri Solar and becoming a project developer to drive monocrystalline technology adoption and drive down costs to be competitive with multicrystalline technology. 

Longi Silicon Materials already has plans to target 10GW of monocrystalline silicon production and plans to expand monocrystalline cell and module production to 2GW and beyond. The company recently announced plans to build a 5GW monocrystalline silicon ingot production plant in China, pushing production targets beyond 15GW.

Although ET Solar has its own PV manufacturing capacity, emphasis in recent years has been on developing its global EPC business. ET Solar had reached an in-house PV module production capacity of 1GW at the end of 2011. 

7 October 2025
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 7-8 October 2025 is our third PV CellTech conference dedicated to the U.S. manufacturing sector. The events in 2023 and 2024 were a sell out success and 2025 will once again 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 in the U.S. out to 2030 and beyond.

Read Next

July 16, 2025
Supply-demand imbalances and inventory pressures have driven down prices and negatively impacted the operational performance of several listed Chinese PV companies that released their 2025 interim forecasts this week.
July 16, 2025
The New South Wales government has announced AU$26.2 million in funding for several Australian solar PV and battery initiatives.
July 15, 2025
Indian renewable energy company SAEL Industries is developing a 5GW solar cell and 5GW module manufacturing facility in Greater Noida, Uttar Pradesh.
July 14, 2025
OpenSolar has launched a new model to help US rooftop solar installers reduce costs and thrive despite the loss of the 30% IRA tax credit.
July 8, 2025
The Chinese government has moved to curb excessive competition in the PV sector and stabilise pricing as companies report growing losses.
Premium
July 2, 2025
ANALYSIS: China's leading PV manufacturers are locked in a new round of competition, aiming to outpace each other through record-breaking feats.

Subscribe to Newsletter

Upcoming Events

Media Partners, Solar Media Events
September 2, 2025
Mexico City, Mexico
Solar Media Events
September 16, 2025
Athens, Greece
Solar Media Events
September 22, 2025
Bilbao, Spain
Solar Media Events
September 30, 2025
Seattle, USA
Solar Media Events
October 1, 2025
London, UK