technologyDevelopingUpdated 2 d ago · since 24 Sept 2026

Longi Green Energy achieves a world record 28.29% efficiency for its crystalline silicon solar cell

According to IT Home, Longi Green Energy announced in Europe on September 24 that its self-developed high-low temperature composite passivated back-contact (HIBC) cell achieved 28.29% efficiency, certified by the ISFH. This marks the third world crystalline silicon cell efficiency record set by Longi this year, following 28.04% and 28.13%, and the efficiency nears 96.2% of the theoretical limit, with more than 700W modules also showcased.

1 source1 country1 article1 independent outletsSource strength 22/100 ⓘLongi Green Energy
coda.news analysis

Key facts

  1. 01Longi Green Energy announced in Europe on September 24 via its official channels.
  2. 02The HIBC cell achieved 28.29% efficiency, certified by ISFH.
  3. 03This year Longi has set three world records for crystalline silicon cell efficiency (28.04%, 28.13%, 28.29%).
  4. 04Over 700W modules were unveiled alongside the HIBC technology.

AI-generated from the sources below. Always check the originals.

How each country tells it

So far our sources show coverage from one country. Perspectives appear once we find reports from a second country.

Sources

Summaries are AI-generated from the linked sources and may contain errors; always check the originals. We summarise and link; we never republish articles. Photos come from openly licensed libraries, official publicity material and brand logos, credited to their sources. If you own an image and want it credited differently or removed, email info@coda.news and we will act promptly.