LONGi sets new world record for silicon solar cell efficiency at 28.29%

The Chinese manufacturer achieved the certification from Germany's Institute for Solar Energy Research, advancing single-junction silicon cell performance closer to theoretical limits.

First covered Sep 24, 2026 · 2:19 AM PT · 2 articles

LONGi sets new world record for silicon solar cell efficiency at 28.29% — Image via pv-magazine.com

Coverage

2d PV Tech LONGi unveils HIBC solar cell with 28.29% conversion efficiency — LONGi has unveiled a hybrid interdigitated back contact (HIBC) solar cell with a conversion efficiency of 28.29%, a record for the company.

2d PV Magazine Longi sets 28.29% world record for single-junction silicon solar cell efficiency — The result was confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH). The post Longi sets 28.29% world record for single-junction silicon…

More coverage from around the web

longi.com 28.13%, 26.4%! LONGi Sets New World Records for Crystalline Silicon Solar Cell and Module Efficiency

longi.com 28.13%, 26.4%! LONGi Sets New World Records for Crystalline Silicon Solar Cell and Module Efficiency -LONGi

longi.com LONGi-Solar Cell Efficiency

ncbi.nlm.nih.gov Investigations aimed at producing 33% efficient perovskite–silicon tandem solar cells through device simulations

sokatec.com LONGi Sets New World Record with Over 28 Percent PV Cell Efficiency

Appeared in: 2026-09-24 (#1) · 2026-09-25 (#4)

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