Tongwei claims record bifacial solar module efficiency verified by TÜV Rheinland

Chinese manufacturer Tongwei achieved a 93.07% bifaciality factor on a 770-watt solar module, a claimed world record independently verified by certification body TÜV Rheinland, signaling continued progress in bifacial technology performance

First covered Jul 17, 2026 · 2:45 AM PT · 1 article

Tongwei claims record bifacial solar module efficiency verified by TÜV Rheinland — Image via pv-magazine.com

Coverage

21h PV Magazine Tongwei claims record-breaking 93.07% bifaciality factor for 770 W solar module — The result, which represents a world record for the bifacial technology, was verified by German certification body TÜV Rheinland.

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More coverage from around the web

prnewswire.com 93.07% Bifaciality Module! Tongwei Leads Intersolar Europe 2026 with Global Launch of TNC 3.0 BIFIMAX Module

ca.finance.yahoo.com 93.07% Bifaciality Module! Tongwei Leads Intersolar Europe 2026 with Global Launch of TNC 3.0 BIFIMAX Module

manilatimes.net 93.07% Bifaciality Module! Tongwei Leads Intersolar Europe 2026 with Global Launch of TNC 3.0 BIFIMAX Module | The Manila Times

news.futunn.com Tongwei Solar Receives TÜV Rheinland Global Strategic Partner Award, Advancing Global PV Value Through TNC Cell Technologies

prnewswire.com Tongwei Solar Receives TÜV Rheinland Global Strategic Partner Award, Advancing Global PV Value through TNC Cell Technologies

Appeared in: 2026-07-18 (#9)

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