US solar makers bet on heterojunction cell technology despite decades of pilot delays

Heterojunction cells, long stuck in development limbo, are now attracting significant US manufacturing commitments as domestic solar production scales up beyond China and Southeast Asia.

First covered Sep 6, 2026 · 9:00 PM PT · 1 article · no longer in the live window

US solar makers bet on heterojunction cell technology despite decades of pilot delays — Image via pv-magazine.com

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20d PV Magazine Heterojunction’s long road to the US solar factory — For a cell technology that has spent much of the past three decades on the verge of a breakthrough, heterojunction (HJT) is enjoying another moment in the…

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Appeared in: 2026-09-07 (#2)

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US solar makers bet on heterojunction cell technology despite decades of pilot delays

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