LONGi claims new HJT solar cell efficiency record

Facebook
Twitter
LinkedIn
Reddit
Email
Cell production at a LONGi facility. Image: LONGi.

Solar manufacturer LONGi has set a world record conversion efficiency of 26.5% for silicon heterojunction (HJT) PV cells.

Validated by the Institute for Solar Energy Research in Hamelin, Germany, the record was achieved on M6 (274.4cm2) full-size monocrystalline silicon wafers.

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

The milestone comes after LONGi reached a 26.3% HJT cell efficiency last October, just days after setting a previous record of 25.82%.

The company has since set a 25.47% cell efficiency record for a gallium-doped p-type HJT cell, achieved using a mass production process on M6 (274.3cm²) monocrystalline silicon wafers.

Reporting its Q1 results last month, LONGi revealed it is on track to ship 50 – 60GW of modules in 2022 and end the year with 85GW of module manufacturing capacity.

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.
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 14, 2025
LONGi has launched the latest version of its Hi-MO 9 module, which now boasts a conversion efficiency of 24.8% and an output of 670W.
Premium
March 4, 2025
Canadian Solar and LONGi shared their perspectives on industry pricing, competition, and patent disputes at a recent event in China.
February 20, 2025
Risen said the cell was certified by the Chinese National Photovoltaic Product Quality Supervision and Inspection Center.
February 18, 2025
Chinese solar manufacturer LONGi has filed a lawsuit in the US District Court for the Eastern District of Texas against Jinko Solar.
Premium
February 17, 2025
Brian Grenko of VDE Americas assesses the route to market for perovskite PV products as an alternative to silicon-based technologies.
February 13, 2025
Chinese solar manufacturers LONGi and Jinko Solar, along with Indian PV manufacturer Waaree Energies, have been named in a series of patent disputes filed in China and the US.

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