LONGi Solar’s mono-PERC module efficiency gains almost 2% in the last two years

Facebook
Twitter
LinkedIn
Reddit
Email
LONGi Solar said the new world record mono PERC module conversion efficiency was verified by the global independent certification agency, TÜV Rheinland.

‘Solar Module Super League’ (SMSL) member, LONGi Solar has reported a new record P-type monocrystalline PERC (Passivated Emitter Rear Cell) PV module conversion efficiency of 22.38%, culminating in an overall efficiency gain of almost 2% in the last two years. 

LONGi Solar said the new world record mono PERC module conversion efficiency was verified by the global independent certification agency, TÜV Rheinland.

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

Lv Jun, Vice President, LONGi Solar noted, “LONGi has continuously pushed the modules efficiency limits of our high-performance mono-crystalline products to further improve the price-performance ratio. This breakthrough once again confirms the development headroom of monocrystalline module technology. With continuous R&D investments in technologies and processes, new innovations can be rapidly applied to large-scale production, thus promoting the energy transformation led by solar energy.” 

As the chart below highlights, LONGi Solar has reported verified module conversion efficiencies of 20.41% in January 2018 and 22.38% conversion efficiencies in January 2020. 

LONGi Solar has reported verified module conversion efficiencies of 20.41% in January 2018 and 22.38% conversion efficiencies in January 2020. Image: LONGi Solar

Historically, the PV industry has averaged module efficiency gains of approximately 0.5% per annum. 

LONGi Group increased R&D expenditure from US$175.5 million in 2017, to US$182.7 million in 2018, marking the seventh consecutive year of increased spending and setting a second consecutive year of record spending in the PV industry, according to PV Tech’s annual analysis. 

The company did not provide any details regarding technical and process developments that contributed to the record conversion efficiencies, nor wafer size used in the verified tests.

Read Next

October 16, 2026
Shangai ports handled 16 cases involving solar PV products suspected of infringing on IP with a total value of more than US$750,000.
October 16, 2026
Leading domestic polysilicon players in China’s PV industry held a closed‑door meeting to curb destructive price competition.
October 15, 2026
Sungrow has patched an iSolarCloud vulnerability that reportedly allowed unauthenticated access to platform accounts, according to reports.
October 15, 2026
This week's PV Chart of the Week looks at India's solar cell capacity and production growth from 2022 to 2026.
October 14, 2026
The Becquerel Institute has released a segment briefing on the potential impact that AI and robotics can have on solar PV installations.
Sponsored
October 14, 2026
Leon Zhang, President of Utility Europe, LONGi, discusses the changing economics of European solar and the strategic role of storage.

Upcoming Events

Solar Media Events, Upcoming Webinars
October 21, 2026
2pm AEDT
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